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internal/upload: Add support for upload to GCP and CLI tool using it

Browse source 
Add new internal upload target for Google Cloud Platform and
osbuild-upload-gcp CLI tool which uses the API.

Supported features are:
- Authenticate with GCP using explicitly provided JSON credentials
  file or let the authentication be handled automatically by the
  Google cloud client library. The later is useful e.g. when the worker
  is running in GCP VM instance, which has associated permissions with
  it.
- Upload an existing image file into existing Storage bucket.
- Verify MD5 checksum of the uploaded image file against the local
  file's checksum.
- Import the uploaded image file into Compute Node as an Image.
- Delete the uploaded image file after a successful image import.
- Delete all cache files from storage created as part of the image
  import build job.
- Share the imported image with a list of specified accounts.

GCP-specific image type is not yet added, since GCP supports importing
VMDK and VHD images, which the osbuild-composer already supports.

Update go.mod, vendor/ content and SPEC file with new dependencies.

Signed-off-by: Tomas Hozza <thozza@redhat.com>
This commit is contained in:
Tomas Hozza 2021-02-16 18:10:53 +01:00 • committed by Tom Gundersen
parent 449242ebda
commit ff95059748
881 changed files with 467001 additions and 4846 deletions
Download patch file Download diff file Expand all files Collapse all files

90
cmd/osbuild-upload-gcp/main.go Normal file
View file

@ -0,0 +1,90 @@
package main
import (
"flag"
"fmt"
"io/ioutil"
"os"
"github.com/osbuild/osbuild-composer/internal/upload/gcp"
)
type strArrayFlag []string
func (a *strArrayFlag) String() string {
return fmt.Sprintf("%+v", []string(*a))
}
func (a *strArrayFlag) Set(value string) error {
*a = append(*a, value)
return nil
}
func main() {
var credentialsPath string
var bucketName string
var objectName string
var region string
var osFamily string
var imageName string
var imageFile string
var shareWith strArrayFlag
var skipUpload bool
var skipImport bool
flag.StringVar(&credentialsPath, "cred-path", "", "Path to a file with service account credentials")
flag.StringVar(&bucketName, "bucket", "", "Target Storage Bucket name")
flag.StringVar(&objectName, "object", "", "Target Storage Object name")
flag.StringVar(&region, "region", "", "Target region for the uploaded image")
flag.StringVar(&osFamily, "os", "", "OS type used to determine which version of GCP guest tools to install")
flag.StringVar(&imageName, "image-name", "", "Image name after import to Compute Node")
flag.StringVar(&imageFile, "image", "", "Image file to upload")
flag.Var(&shareWith, "share-with", "Accounts to share the image with. Can be set multiple times. Allowed values are 'user:{emailid}' / 'serviceAccount:{emailid}' / 'group:{emailid}' / 'domain:{domain}'.")
flag.BoolVar(&skipUpload, "skip-upload", false, "Use to skip Image Upload step")
flag.BoolVar(&skipImport, "skip-import", false, "Use to skup Image Import step")
flag.Parse()
var credentials []byte
if credentialsPath != "" {
var err error
credentials, err = ioutil.ReadFile(credentialsPath)
if err != nil {
fmt.Fprintf(os.Stderr, "Error while reading credentials: %s\n", err)
return
}
}
g, err := gcp.New(credentials)
if err != nil {
fmt.Fprintf(os.Stderr, "%s\n", err)
return
}
// Upload image to the Storage
if !skipUpload {
if err := g.Upload(imageFile, bucketName, objectName); err != nil {
fmt.Fprintf(os.Stderr, "%s\n", err)
return
}
}
// Import Image to Compute Node
if !skipImport {
err = g.Import(bucketName, objectName, imageName, osFamily, region)
if err != nil {
fmt.Fprintf(os.Stderr, "%s\n", err)
return
}
}
// Share the imported Image with specified accounts using IAM policy
if len(shareWith) > 0 {
err = g.Share(imageName, []string(shareWith))
if err != nil {
fmt.Fprintf(os.Stderr, "%s\n", err)
return
}
}
}

14
go.mod
View file

@ -3,6 +3,8 @@ module github.com/osbuild/osbuild-composer
go 1.14
require (
cloud.google.com/go v0.75.0
cloud.google.com/go/storage v1.10.0
github.com/Azure/azure-sdk-for-go v41.3.0+incompatible
github.com/Azure/azure-storage-blob-go v0.13.0
github.com/Azure/go-autorest/autorest v0.10.0
@ -17,8 +19,9 @@ require (
github.com/getkin/kin-openapi v0.13.0
github.com/go-chi/chi v4.0.2+incompatible
github.com/gobwas/glob v0.2.3
github.com/google/go-cmp v0.3.1
github.com/google/uuid v1.1.1
github.com/golang/protobuf v1.4.3
github.com/google/go-cmp v0.5.4
github.com/google/uuid v1.1.2
github.com/gophercloud/gophercloud v0.11.0
github.com/julienschmidt/httprouter v1.2.0
github.com/kolo/xmlrpc v0.0.0-20200310150728-e0350524596b
@ -26,6 +29,9 @@ require (
github.com/stretchr/testify v1.5.1
github.com/ubccr/kerby v0.0.0-20170626144437-201a958fc453
github.com/vmware/govmomi v0.23.0
golang.org/x/net v0.0.0-20200202094626-16171245cfb2 // indirect
golang.org/x/sys v0.0.0-20200828194041-157a740278f4
golang.org/x/oauth2 v0.0.0-20201208152858-08078c50e5b5
golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3
google.golang.org/api v0.36.0
google.golang.org/genproto v0.0.0-20210108203827-ffc7fda8c3d7
google.golang.org/protobuf v1.25.0
)

395
go.sum
View file

@ -1,3 +1,40 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
cloud.google.com/go v0.75.0 h1:XgtDnVJRCPEUG21gjFiRPz4zI1Mjg16R+NYQjfmU4XY=
cloud.google.com/go v0.75.0/go.mod h1:VGuuCn7PG0dwsd5XPVm2Mm3wlh3EL55/79EKB6hlPTY=
cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
cloud.google.com/go/storage v1.10.0 h1:STgFzyU5/8miMl0//zKh2aQeTyeaUH3WN9bSUiJ09bA=
cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
github.com/Azure/azure-pipeline-go v0.2.3 h1:7U9HBg1JFK3jHl5qmo4CTZKFTVgMwdFHMVtCdfBE21U=
github.com/Azure/azure-pipeline-go v0.2.3/go.mod h1:x841ezTBIMG6O3lAcl8ATHnsOPVl2bqk7S3ta6S6u4k=
github.com/Azure/azure-sdk-for-go v41.3.0+incompatible h1:W5px0x53aa47nmIAuF1XWR1ZzFuUnkJBGUuzHnNp+Nk=
@ -46,8 +83,16 @@ github.com/Azure/go-autorest/tracing v0.6.0 h1:TYi4+3m5t6K48TGI9AUdb+IzbnSxvnvUM
github.com/Azure/go-autorest/tracing v0.6.0/go.mod h1:+vhtPC754Xsa23ID7GlGsrdKBpUA79WCAKPPZVC2DeU=
github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/aws/aws-sdk-go v1.25.37 h1:gBtB/F3dophWpsUQKN/Kni+JzYEH2mGHF4hWNtfED1w=
github.com/aws/aws-sdk-go v1.25.37/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM=
github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f h1:JOrtw2xFKzlg+cbHpyrpLDmnN1HqhBfnX7WDiW7eG2c=
@ -64,27 +109,101 @@ github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumC
github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
github.com/dimchansky/utfbom v1.1.0 h1:FcM3g+nofKgUteL8dm/UpdRXNC9KmADgTpLKsu0TRo4=
github.com/dimchansky/utfbom v1.1.0/go.mod h1:rO41eb7gLfo8SF1jd9F8HplJm1Fewwi4mQvIirEdv+8=
github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5ynNVH9qI8YYLbd1fK2po=
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
github.com/getkin/kin-openapi v0.13.0 h1:03fqBEEgivp4MVK2ElB140B56hjO9ZFvFTHBsvFsSro=
github.com/getkin/kin-openapi v0.13.0/go.mod h1:WGRs2ZMM1Q8LR1QBEwUxC6RJEfaBcD0s+pcEVXFuAjw=
github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/go-chi/chi v4.0.2+incompatible h1:maB6vn6FqCxrpz4FqWdh4+lwpyZIQS7YEAUcHlgXVRs=
github.com/go-chi/chi v4.0.2+incompatible/go.mod h1:eB3wogJHnLi3x/kFX2A+IbTBlXxmMeXJVKy9tTv1XzQ=
github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
github.com/gobwas/glob v0.2.3 h1:A4xDbljILXROh+kObIiy5kIaPYD8e96x1tgBhUI5J+Y=
github.com/gobwas/glob v0.2.3/go.mod h1:d3Ez4x06l9bZtSvzIay5+Yzi0fmZzPgnTbPcKjJAkT8=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e h1:1r7pUrabqp18hOBcwBwiTsbnFeTZHV9eER/QT5JVZxY=
github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y=
github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
github.com/golang/mock v1.4.3/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
github.com/golang/protobuf v1.3.4/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk=
github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
github.com/golang/protobuf v1.4.3 h1:JjCZWpVbqXDqFVmTfYWEVTMIYrL/NPdPSCHPJ0T/raM=
github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
github.com/golangci/lint-1 v0.0.0-20181222135242-d2cdd8c08219 h1:utua3L2IbQJmauC5IXdEA547bcoU5dozgQAfc8Onsg4=
github.com/golangci/lint-1 v0.0.0-20181222135242-d2cdd8c08219/go.mod h1:/X8TswGSh1pIozq4ZwCfxS0WA5JGXguxk94ar/4c87Y=
github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.3.1 h1:Xye71clBPdm5HgqGwUkwhbynsUJZhDbS20FvLhQ2izg=
github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.4.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.4 h1:L8R9j+yAqZuZjsqh/z+F1NCffTKKLShY6zXTItVIZ8M=
github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/martian v2.1.0+incompatible h1:/CP5g8u/VJHijgedC/Legn3BAbAaWPgecwXBIDzw5no=
github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
github.com/google/martian/v3 v3.0.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
github.com/google/martian/v3 v3.1.0 h1:wCKgOCHuUEVfsaQLpPSJb7VdYCdTVZQAuOdYm1yc/60=
github.com/google/martian/v3 v3.1.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
github.com/google/pprof v0.0.0-20191218002539-d4f498aebedc/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
github.com/google/pprof v0.0.0-20200212024743-f11f1df84d12/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
github.com/google/pprof v0.0.0-20200229191704-1ebb73c60ed3/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
github.com/google/pprof v0.0.0-20200430221834-fc25d7d30c6d/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
github.com/google/pprof v0.0.0-20200708004538-1a94d8640e99/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
github.com/google/pprof v0.0.0-20201023163331-3e6fc7fc9c4c/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
github.com/google/pprof v0.0.0-20201218002935-b9804c9f04c2/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
github.com/google/uuid v0.0.0-20170306145142-6a5e28554805/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/google/uuid v1.1.2 h1:EVhdT+1Kseyi1/pUmXKaFxYsDNy9RQYkMWRH68J/W7Y=
github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
github.com/googleapis/gax-go/v2 v2.0.5 h1:sjZBwGj9Jlw33ImPtvFviGYvseOtDM7hkSKB7+Tv3SM=
github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
github.com/gophercloud/gophercloud v0.11.0 h1:pYMP9UZBdQa3lsfIZ1tZor4EbtxiuB6BHhocenkiH/E=
github.com/gophercloud/gophercloud v0.11.0/go.mod h1:gmC5oQqMDOMO1t1gq5DquX/yAU808e/4mzjjDA76+Ss=
github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af h1:pmfjZENx5imkbgOkpRUYLnmbU7UEFbjtDA2hxJ1ichM=
github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
github.com/jstemmer/go-junit-report v0.9.1 h1:6QPYqodiu3GuPL+7mfx+NwDdp2eTkp9IfEUpgAwUN0o=
github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk=
github.com/julienschmidt/httprouter v1.2.0 h1:TDTW5Yz1mjftljbcKqRcrYhd4XeOoI98t+9HbQbYf7g=
github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
github.com/kolo/xmlrpc v0.0.0-20200310150728-e0350524596b h1:DzHy0GlWeF0KAglaTMY7Q+khIFoG8toHP+wLFBVBQJc=
github.com/kolo/xmlrpc v0.0.0-20200310150728-e0350524596b/go.mod h1:o03bZfuBwAXHetKXuInt4S7omeXUu62/A845kiycsSQ=
github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
@ -115,6 +234,8 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
@ -130,48 +251,320 @@ github.com/valyala/fasttemplate v1.1.0/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPU
github.com/vmware/govmomi v0.23.0 h1:DC97v1FdSr3cPfq3eBKD5C1O4JtYxo+NTcbGTKe2k48=
github.com/vmware/govmomi v0.23.0/go.mod h1:Y+Wq4lst78L85Ge/F8+ORXIWiKYqaro1vhAulACy9Lc=
github.com/vmware/vmw-guestinfo v0.0.0-20170707015358-25eff159a728/go.mod h1:x9oS4Wk2s2u4tS29nEaDLdzvuHdB19CvSGJjPgkZJNk=
github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.5 h1:dntmOdLpSpHlVqbW5Eay97DelsZHe+55D+xC6i0dDS0=
go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20191112222119-e1110fd1c708/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20191202143827-86a70503ff7e/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413 h1:ULYEB3JvPRE/IfO+9uO7vKV/xzVTO7XPAwm8xbf4w2g=
golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm080zCjGlMRFzhUhsZKEZO7MGek=
golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY=
golang.org/x/exp v0.0.0-20191129062945-2f5052295587/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5 h1:2M3HP5CCK1Si9FQhwnzYhXdG6DXeebvUHFpre8QvbyI=
golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.4.0 h1:8pl+sMODzuvGJkmj2W4kZihvVb5mKm8pB/X44PIQHv8=
golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=

418
internal/upload/gcp/gcp.go Normal file
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@ -0,0 +1,418 @@
package gcp
import (
"bytes"
"context"
"crypto/md5"
"fmt"
"io"
"log"
"os"
"regexp"
"strings"
"time"
cloudbuild "cloud.google.com/go/cloudbuild/apiv1"
"cloud.google.com/go/storage"
"github.com/golang/protobuf/ptypes"
"golang.org/x/oauth2/google"
"google.golang.org/api/compute/v1"
"google.golang.org/api/iterator"
"google.golang.org/api/option"
cloudbuildpb "google.golang.org/genproto/googleapis/devtools/cloudbuild/v1"
"google.golang.org/protobuf/types/known/durationpb"
)
type GCP struct {
creds *google.Credentials
}
func New(credentials []byte) (*GCP, error) {
scopes := []string{
compute.ComputeScope, // permissions to image
storage.ScopeReadWrite, // file upload
}
scopes = append(scopes, cloudbuild.DefaultAuthScopes()...) // image import
var getCredsFunc func() (*google.Credentials, error)
if credentials != nil {
getCredsFunc = func() (*google.Credentials, error) {
return google.CredentialsFromJSON(
context.Background(),
credentials,
scopes...,
)
}
} else {
getCredsFunc = func() (*google.Credentials, error) {
return google.FindDefaultCredentials(
context.Background(),
scopes...,
)
}
}
creds, err := getCredsFunc()
if err != nil {
return nil, fmt.Errorf("failed to get Google credentials: %v", err)
}
return &GCP{creds}, nil
}
// GetProjectID returns a string with the Project ID of the project, used for
// all GCP operations.
func (g *GCP) GetProjectID() string {
return g.creds.ProjectID
}
// Upload uploads an OS image to specified Cloud Storage bucket and object.
// The bucket must exist. MD5 sum of the image file and uploaded object is
// compared after the upload to verify the integrity of the uploaded image.
//
// Uses:
// - Storage API
func (g *GCP) Upload(filename, bucket, object string) error {
ctx := context.Background()
storageClient, err := storage.NewClient(ctx, option.WithCredentials(g.creds))
if err != nil {
return fmt.Errorf("failed to get Storage client: %v", err)
}
defer storageClient.Close()
// Open the image file
imageFile, err := os.Open(filename)
if err != nil {
return fmt.Errorf("cannot open the image: %v", err)
}
defer imageFile.Close()
// Compute MD5 checksum of the image file for later verification
imageFileHash := md5.New()
if _, err := io.Copy(imageFileHash, imageFile); err != nil {
return fmt.Errorf("cannot create md5 of the image: %v", err)
}
// Move the cursor of opened file back to the start
if _, err := imageFile.Seek(0, 0); err != nil {
return fmt.Errorf("cannot seek the image: %v", err)
}
// Upload the image
// The Bucket MUST exist and be of a STANDARD storage class
obj := storageClient.Bucket(bucket).Object(object)
wc := obj.NewWriter(ctx)
log.Printf("[GCP] 🚀 Uploading image to: %s/%s\n", bucket, object)
if _, err = io.Copy(wc, imageFile); err != nil {
return fmt.Errorf("uploading the image failed: %v", err)
}
if err := wc.Close(); err != nil {
return fmt.Errorf("Writer.Close: %v", err)
}
// Verify the MD5 sum of the uploaded file
objAttrs, err := obj.Attrs(ctx)
if err != nil {
return fmt.Errorf("cannot get uploaded object attributed: %v", err)
}
objChecksum := objAttrs.MD5
fileChecksum := imageFileHash.Sum(nil)
if !bytes.Equal(objChecksum, fileChecksum) {
return fmt.Errorf("error during image upload. the image seems to be corrupted")
}
return nil
}
// Import imports a previously uploaded image by submitting a Cloud Build API
// job. The job builds an image into Compute Node from an image uploaded to the
// storage.
//
// The source image file is deleted from the storage bucket after a successful
// image import. Also all cache files created as part of the image import are
// deleted from the respective storage bucket.
//
// bucket - Google storage bucket name with the uploaded image
// object - Google storage object name of the uploaded image
// imageName - Desired image name after the import. This must be unique within the whole project.
// os - Specifies the OS type used when installing GCP guest tools.
// If empty (""), then the image is imported without the installation of GCP guest tools.
// Valid values are: centos-7, centos-8, debian-8, debian-9, opensuse-15, rhel-6,
// rhel-6-byol, rhel-7, rhel-7-byol, rhel-8, rhel-8-byol, sles-12,
// sles-12-byol, sles-15, sles-15-byol, sles-sap-12, sles-sap-12-byol,
// sles-sap-15, sles-sap-15-byol, ubuntu-1404, ubuntu-1604, ubuntu-1804,
// ubuntu-2004, windows-10-x64-byol, windows-10-x86-byol,
// windows-2008r2, windows-2008r2-byol, windows-2012, windows-2012-byol,
// windows-2012r2, windows-2012r2-byol, windows-2016, windows-2016-byol,
// windows-2019, windows-2019-byol, windows-7-x64-byol,
// windows-7-x86-byol, windows-8-x64-byol, windows-8-x86-byol
// region - A valid region where the resulting image should be located. If empty,
// the multi-region location closest to the source is chosen automatically.
// See: https://cloud.google.com/storage/docs/locations
//
// Uses:
// - Cloud Build API
func (g *GCP) Import(bucket, object, imageName, os, region string) error {
ctx := context.Background()
cloudbuildClient, err := cloudbuild.NewClient(ctx, option.WithCredentials(g.creds))
if err != nil {
return fmt.Errorf("failed to get Cloud Build client: %v", err)
}
defer cloudbuildClient.Close()
buildStepArgs := []string{
fmt.Sprintf("-source_file=gs://%s/%s", bucket, object),
fmt.Sprintf("-image_name=%s", imageName),
"-timeout=7000s",
"-client_id=api",
}
if region != "" {
buildStepArgs = append(buildStepArgs, fmt.Sprintf("-storage_location=%s", region))
}
if os != "" {
buildStepArgs = append(buildStepArgs, fmt.Sprintf("-os=%s", os))
} else {
// This effectively marks the image as non-bootable for the import process,
// but it has no effect on the later use or booting in Compute Engine other
// than the GCP guest tools not being installed.
buildStepArgs = append(buildStepArgs, "-data_disk")
}
imageBuild := &cloudbuildpb.Build{
Steps: []*cloudbuildpb.BuildStep{{
Name: "gcr.io/compute-image-tools/gce_vm_image_import:release",
Args: buildStepArgs,
}},
Tags: []string{
"gce-daisy",
"gce-daisy-image-import",
},
Timeout: durationpb.New(time.Second * 7200),
}
createBuildReq := &cloudbuildpb.CreateBuildRequest{
ProjectId: g.creds.ProjectID,
Build: imageBuild,
}
log.Printf("[GCP] 📥 Importing image into Compute Node as '%s'\n", imageName)
resp, err := cloudbuildClient.CreateBuild(ctx, createBuildReq)
if err != nil {
return fmt.Errorf("failed to create image import build job: %v", err)
}
// Get the returned Build struct
buildOpMetadata := &cloudbuildpb.BuildOperationMetadata{}
if err := ptypes.UnmarshalAny(resp.Metadata, buildOpMetadata); err != nil {
return err
}
imageBuild = buildOpMetadata.Build
log.Printf("[GCP] 📜 Image import log URL: %s\n", imageBuild.LogUrl)
log.Printf("[GCP] 🤔 Image import build status: %+v\n", imageBuild.Status)
getBuldReq := &cloudbuildpb.GetBuildRequest{
ProjectId: imageBuild.ProjectId,
Id: imageBuild.Id,
}
// Wait for the build to finish
log.Println("[GCP] 🥱 Waiting for the image import to finish")
for {
imageBuild, err = cloudbuildClient.GetBuild(ctx, getBuldReq)
if err != nil {
return fmt.Errorf("failed to get the build info: %v", err)
}
// The build finished
if imageBuild.Status != cloudbuildpb.Build_WORKING && imageBuild.Status != cloudbuildpb.Build_QUEUED {
break
}
time.Sleep(time.Second * 30)
}
fmt.Printf("[GCP] 🎉 Image import finished with status: %s\n", imageBuild.Status)
// Clean up cache files created by the Image Import Build job
if err = g.ImageImportStorageCleanup(bucket, object, imageName); err != nil {
fmt.Printf("storage cleanup failed: %v", err)
}
if imageBuild.Status != cloudbuildpb.Build_SUCCESS {
return fmt.Errorf("image import didn't finish successfully: %s", imageBuild.Status)
}
fmt.Printf("[GCP] 💿 Image URL: https://console.cloud.google.com/compute/imagesDetail/projects/%s/global/images/%s\n", g.creds.ProjectID, imageName)
return nil
}
// ImageImportStorageCleanup deletes all objects created as part of an Image
// import into Compute Engine and the related Build Job. It also deletes the
// source image file, which has been used for image import.
//
// The Build job stores a copy of the to-be-imported image in a region specific
// bucket, along with the Build job logs.
//
// Uses:
// - Compute Engine API
// - Storage API
func (g *GCP) ImageImportStorageCleanup(bucket, object, imageName string) error {
ctx := context.Background()
storageClient, err := storage.NewClient(ctx, option.WithCredentials(g.creds))
if err != nil {
return fmt.Errorf("failed to get Storage client: %v", err)
}
defer storageClient.Close()
computeService, err := compute.NewService(ctx, option.WithCredentials(g.creds))
if err != nil {
return fmt.Errorf("failed to get Compute Engine client: %v", err)
}
// Clean up the cache bucket
imageGetCall := computeService.Images.Get(g.creds.ProjectID, imageName)
image, err := imageGetCall.Do()
if err != nil {
// Without the image, we can not determine which objects to delete, just return
return fmt.Errorf("failed to get image: %v", err)
}
// Determine the regular expression to match files related to the specific Image Import
// e.g. "https://www.googleapis.com/compute/v1/projects/ascendant-braid-303513/zones/europe-west1-b/disks/disk-d7tr4"
// e.g. "https://www.googleapis.com/compute/v1/projects/ascendant-braid-303513/zones/europe-west1-b/disks/disk-l7s2w-1"
// Needed is only the part between "disk-" and possible "-<num>"/"EOF"
ss := strings.Split(image.SourceDisk, "/")
srcDiskName := ss[len(ss)-1]
ss = strings.Split(srcDiskName, "-")
if len(ss) < 2 {
return fmt.Errorf("unexpected source disk name '%s', can not clean up storage", srcDiskName)
}
scrDiskSuffix := ss[1]
// e.g. "gce-image-import-2021-02-05T17:27:40Z-2xhp5/daisy-import-image-20210205-17:27:43-s6l0l/logs/daisy.log"
reStr := fmt.Sprintf("gce-image-import-.+-%s", scrDiskSuffix)
cacheFilesRe := regexp.MustCompile(reStr)
buckets := storageClient.Buckets(ctx, g.creds.ProjectID)
for {
bkt, err := buckets.Next()
if err == iterator.Done {
break
}
if err != nil {
return fmt.Errorf("failure while iterating over storage buckets: %v", err)
}
// Check all buckets created by the Image Import Build jobs
// These are named e.g. "<project_id>-daisy-bkt-eu" - "ascendant-braid-303513-daisy-bkt-eu"
if strings.HasPrefix(bkt.Name, fmt.Sprintf("%s-daisy-bkt", g.creds.ProjectID)) {
objects := storageClient.Bucket(bkt.Name).Objects(ctx, nil)
for {
obj, err := objects.Next()
if err == iterator.Done {
break
}
if err != nil {
// Do not return, just log, to clean up as much as possible!
fmt.Printf("ERROR: failure while iterating over storage objects: %v", err)
break
}
if cacheFilesRe.FindString(obj.Name) != "" {
o := storageClient.Bucket(bkt.Name).Object(obj.Name)
fmt.Printf("[GCP] 🧹 Deleting image import job file '%s'\n", obj.Name)
if err = o.Delete(ctx); err != nil {
// Do not return, just log, to clean up as much as possible!
fmt.Printf("ERROR: failed to delete storage object: %v", err)
}
}
}
}
}
imageFileObject := storageClient.Bucket(bucket).Object(object)
fmt.Printf("[GCP] 🧹 Deleting image file from Storage: %s/%s\n", bucket, object)
if err = imageFileObject.Delete(ctx); err != nil {
return fmt.Errorf("failed to delete image file object: %v", err)
}
return nil
}
// Share shares the specified Compute Engine image with list of accounts.
//
// "shareWith" is a list of accounts to share the image with. Items can be one
// of the following options:
//
// - `user:{emailid}`: An email address that represents a specific
// Google account. For example, `alice@example.com`.
//
// - `serviceAccount:{emailid}`: An email address that represents a
// service account. For example, `my-other-app@appspot.gserviceaccount.com`.
//
// - `group:{emailid}`: An email address that represents a Google group.
// For example, `admins@example.com`.
//
// - `domain:{domain}`: The G Suite domain (primary) that represents all
// the users of that domain. For example, `google.com` or `example.com`.
//
// Uses:
// - Compute Engine API
func (g *GCP) Share(imageName string, shareWith []string) error {
ctx := context.Background()
computeService, err := compute.NewService(ctx, option.WithCredentials(g.creds))
if err != nil {
return fmt.Errorf("failed to get Compute Engine client: %v", err)
}
// Standard role to enable account to view and use a specific Image
imageDesiredRole := "roles/compute.imageUser"
// Get the current Policy set on the Image
existingPolicyCall := computeService.Images.GetIamPolicy(g.creds.ProjectID, imageName)
policy, err := existingPolicyCall.Do()
if err != nil {
return fmt.Errorf("failed to get image's policy: %v", err)
}
// Add new members, who can use the image
// Completely override the old policy
userBinding := &compute.Binding{
Members: shareWith,
Role: imageDesiredRole,
}
newPolicy := &compute.Policy{
Bindings: []*compute.Binding{userBinding},
Etag: policy.Etag,
}
req := &compute.GlobalSetPolicyRequest{
Policy: newPolicy,
}
newPolicyCall := computeService.Images.SetIamPolicy(g.creds.ProjectID, imageName, req)
fmt.Printf("[GCP] Sharing the image with: %+v\n", shareWith)
_, err = newPolicyCall.Do()
if err != nil {
return fmt.Errorf("failed to set new image policy: %v", err)
}
// Users won't see the shared image in their images.list requests, unless
// they are also granted a specific "imagesList" role on the project. If you
// don't need users to be able to view the list of shared images, this
// step can be skipped.
//
// Downside of granting the "imagesList" role to a project is that the user
// will be able to list all available images in the project, even those that
// they can't use because of insufficient permissions.
//
// Even without the ability to view / list shared images, the user can still
// create a Compute Node instance using the image via API or 'gcloud' tool.
//
// Custom role to enable account to only list images in the project.
// Without this role, the account won't be able to list and see the image
// in the GCP Web UI.
// For now, the decision is that the account should not get any role to the
// project, where the image has been imported.
return nil
}

1
osbuild-composer.spec
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@ -55,6 +55,7 @@ BuildRequires: golang(github.com/gophercloud/gophercloud)
BuildRequires: golang(github.com/stretchr/testify/assert)
BuildRequires: golang(github.com/ubccr/kerby)
BuildRequires: golang(github.com/vmware/govmomi)
BuildRequires: golang(cloud.google.com/go)
%endif
Requires: %{name}-core = %{version}-%{release}

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vendor/cloud.google.com/go/.gitignore generated vendored Normal file
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# Editors
.idea
.vscode
*.swp
.history
# Test files
*.test
coverage.txt
# Other
.DS_Store

1805
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44
vendor/cloud.google.com/go/CODE_OF_CONDUCT.md generated vendored Normal file
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# Contributor Code of Conduct
As contributors and maintainers of this project,
and in the interest of fostering an open and welcoming community,
we pledge to respect all people who contribute through reporting issues,
posting feature requests, updating documentation,
submitting pull requests or patches, and other activities.
We are committed to making participation in this project
a harassment-free experience for everyone,
regardless of level of experience, gender, gender identity and expression,
sexual orientation, disability, personal appearance,
body size, race, ethnicity, age, religion, or nationality.
Examples of unacceptable behavior by participants include:
* The use of sexualized language or imagery
* Personal attacks
* Trolling or insulting/derogatory comments
* Public or private harassment
* Publishing other's private information,
such as physical or electronic
addresses, without explicit permission
* Other unethical or unprofessional conduct.
Project maintainers have the right and responsibility to remove, edit, or reject
comments, commits, code, wiki edits, issues, and other contributions
that are not aligned to this Code of Conduct.
By adopting this Code of Conduct,
project maintainers commit themselves to fairly and consistently
applying these principles to every aspect of managing this project.
Project maintainers who do not follow or enforce the Code of Conduct
may be permanently removed from the project team.
This code of conduct applies both within project spaces and in public spaces
when an individual is representing the project or its community.
Instances of abusive, harassing, or otherwise unacceptable behavior
may be reported by opening an issue
or contacting one or more of the project maintainers.
This Code of Conduct is adapted from the [Contributor Covenant](http://contributor-covenant.org), version 1.2.0,
available at [http://contributor-covenant.org/version/1/2/0/](http://contributor-covenant.org/version/1/2/0/)

303
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# Contributing
1. [File an issue](https://github.com/googleapis/google-cloud-go/issues/new/choose).
The issue will be used to discuss the bug or feature and should be created
before sending a CL.
1. [Install Go](https://golang.org/dl/).
1. Ensure that your `GOBIN` directory (by default `$(go env GOPATH)/bin`)
is in your `PATH`.
1. Check it's working by running `go version`.
* If it doesn't work, check the install location, usually
`/usr/local/go`, is on your `PATH`.
1. Sign one of the
[contributor license agreements](#contributor-license-agreements) below.
1. Clone the repo:
`git clone https://github.com/googleapis/google-cloud-go`
1. Change into the checked out source:
`cd google-cloud-go`
1. Fork the repo.
1. Set your fork as a remote:
`git remote add fork git@github.com:GITHUB_USERNAME/google-cloud-go.git`
1. Make changes, commit to your fork.
Commit messages should follow the
[Conventional Commits Style](https://www.conventionalcommits.org). The scope
portion should always be filled with the name of the package affected by the
changes being made. For example:
```
feat(functions): add gophers codelab
```
1. Send a pull request with your changes.
To minimize friction, consider setting `Allow edits from maintainers` on the
PR, which will enable project committers and automation to update your PR.
1. A maintainer will review the pull request and make comments.
Prefer adding additional commits over amending and force-pushing since it can
be difficult to follow code reviews when the commit history changes.
Commits will be squashed when they're merged.
## Testing
We test code against two versions of Go, the minimum and maximum versions
supported by our clients. To see which versions these are checkout our
[README](README.md#supported-versions).
### Integration Tests
In addition to the unit tests, you may run the integration test suite. These
directions describe setting up your environment to run integration tests for
_all_ packages: note that many of these instructions may be redundant if you
intend only to run integration tests on a single package.
#### GCP Setup
To run the integrations tests, creation and configuration of two projects in
the Google Developers Console is required: one specifically for Firestore
integration tests, and another for all other integration tests. We'll refer to
these projects as "general project" and "Firestore project".
After creating each project, you must [create a service account](https://developers.google.com/identity/protocols/OAuth2ServiceAccount#creatinganaccount)
for each project. Ensure the project-level **Owner**
[IAM role](console.cloud.google.com/iam-admin/iam/project) role is added to
each service account. During the creation of the service account, you should
download the JSON credential file for use later.
Next, ensure the following APIs are enabled in the general project:
- BigQuery API
- BigQuery Data Transfer API
- Cloud Dataproc API
- Cloud Dataproc Control API Private
- Cloud Datastore API
- Cloud Firestore API
- Cloud Key Management Service (KMS) API
- Cloud Natural Language API
- Cloud OS Login API
- Cloud Pub/Sub API
- Cloud Resource Manager API
- Cloud Spanner API
- Cloud Speech API
- Cloud Translation API
- Cloud Video Intelligence API
- Cloud Vision API
- Compute Engine API
- Compute Engine Instance Group Manager API
- Container Registry API
- Firebase Rules API
- Google Cloud APIs
- Google Cloud Deployment Manager V2 API
- Google Cloud SQL
- Google Cloud Storage
- Google Cloud Storage JSON API
- Google Compute Engine Instance Group Updater API
- Google Compute Engine Instance Groups API
- Kubernetes Engine API
- Cloud Error Reporting API
- Pub/Sub Lite API
Next, create a Datastore database in the general project, and a Firestore
database in the Firestore project.
Finally, in the general project, create an API key for the translate API:
- Go to GCP Developer Console.
- Navigate to APIs & Services > Credentials.
- Click Create Credentials > API Key.
- Save this key for use in `GCLOUD_TESTS_API_KEY` as described below.
#### Local Setup
Once the two projects are created and configured, set the following environment
variables:
- `GCLOUD_TESTS_GOLANG_PROJECT_ID`: Developers Console project's ID (e.g.
bamboo-shift-455) for the general project.
- `GCLOUD_TESTS_GOLANG_KEY`: The path to the JSON key file of the general
project's service account.
- `GCLOUD_TESTS_GOLANG_FIRESTORE_PROJECT_ID`: Developers Console project's ID
(e.g. doorway-cliff-677) for the Firestore project.
- `GCLOUD_TESTS_GOLANG_FIRESTORE_KEY`: The path to the JSON key file of the
Firestore project's service account.
- `GCLOUD_TESTS_API_KEY`: API key for using the Translate API created above.
As part of the setup that follows, the following variables will be configured:
- `GCLOUD_TESTS_GOLANG_KEYRING`: The full name of the keyring for the tests,
in the form
"projects/P/locations/L/keyRings/R". The creation of this is described below.
- `GCLOUD_TESTS_GOLANG_ZONE`: Compute Engine zone.
Install the [gcloud command-line tool][gcloudcli] to your machine and use it to
create some resources used in integration tests.
From the project's root directory:
``` sh
# Sets the default project in your env.
$ gcloud config set project $GCLOUD_TESTS_GOLANG_PROJECT_ID
# Authenticates the gcloud tool with your account.
$ gcloud auth login
# Create the indexes used in the datastore integration tests.
$ gcloud datastore indexes create datastore/testdata/index.yaml
# Creates a Google Cloud storage bucket with the same name as your test project,
# and with the Cloud Logging service account as owner, for the sink
# integration tests in logging.
$ gsutil mb gs://$GCLOUD_TESTS_GOLANG_PROJECT_ID
$ gsutil acl ch -g cloud-logs@google.com:O gs://$GCLOUD_TESTS_GOLANG_PROJECT_ID
# Creates a PubSub topic for integration tests of storage notifications.
$ gcloud beta pubsub topics create go-storage-notification-test
# Next, go to the Pub/Sub dashboard in GCP console. Authorize the user
# "service-<numeric project id>@gs-project-accounts.iam.gserviceaccount.com"
# as a publisher to that topic.
# Creates a Spanner instance for the spanner integration tests.
$ gcloud beta spanner instances create go-integration-test --config regional-us-central1 --nodes 10 --description 'Instance for go client test'
# NOTE: Spanner instances are priced by the node-hour, so you may want to
# delete the instance after testing with 'gcloud beta spanner instances delete'.
$ export MY_KEYRING=some-keyring-name
$ export MY_LOCATION=global
# Creates a KMS keyring, in the same location as the default location for your
# project's buckets.
$ gcloud kms keyrings create $MY_KEYRING --location $MY_LOCATION
# Creates two keys in the keyring, named key1 and key2.
$ gcloud kms keys create key1 --keyring $MY_KEYRING --location $MY_LOCATION --purpose encryption
$ gcloud kms keys create key2 --keyring $MY_KEYRING --location $MY_LOCATION --purpose encryption
# Sets the GCLOUD_TESTS_GOLANG_KEYRING environment variable.
$ export GCLOUD_TESTS_GOLANG_KEYRING=projects/$GCLOUD_TESTS_GOLANG_PROJECT_ID/locations/$MY_LOCATION/keyRings/$MY_KEYRING
# Authorizes Google Cloud Storage to encrypt and decrypt using key1.
$ gsutil kms authorize -p $GCLOUD_TESTS_GOLANG_PROJECT_ID -k $GCLOUD_TESTS_GOLANG_KEYRING/cryptoKeys/key1
```
It may be useful to add exports to your shell initialization for future use.
For instance, in `.zshrc`:
```sh
#### START GO SDK Test Variables
# Developers Console project's ID (e.g. bamboo-shift-455) for the general project.
export GCLOUD_TESTS_GOLANG_PROJECT_ID=your-project
# The path to the JSON key file of the general project's service account.
export GCLOUD_TESTS_GOLANG_KEY=~/directory/your-project-abcd1234.json
# Developers Console project's ID (e.g. doorway-cliff-677) for the Firestore project.
export GCLOUD_TESTS_GOLANG_FIRESTORE_PROJECT_ID=your-firestore-project
# The path to the JSON key file of the Firestore project's service account.
export GCLOUD_TESTS_GOLANG_FIRESTORE_KEY=~/directory/your-firestore-project-abcd1234.json
# The full name of the keyring for the tests, in the form "projects/P/locations/L/keyRings/R".
# The creation of this is described below.
export MY_KEYRING=my-golang-sdk-test
export MY_LOCATION=global
export GCLOUD_TESTS_GOLANG_KEYRING=projects/$GCLOUD_TESTS_GOLANG_PROJECT_ID/locations/$MY_LOCATION/keyRings/$MY_KEYRING
# API key for using the Translate API.
export GCLOUD_TESTS_API_KEY=abcdefghijk123456789
# Compute Engine zone. (https://cloud.google.com/compute/docs/regions-zones)
export GCLOUD_TESTS_GOLANG_ZONE=your-chosen-region
#### END GO SDK Test Variables
```
#### Running
Once you've done the necessary setup, you can run the integration tests by
running:
``` sh
$ go test -v ./...
```
Note that the above command will not run the tests in other modules. To run
tests on other modules, first navigate to the appropriate
subdirectory. For instance, to run only the tests for datastore:
``` sh
$ cd datastore
$ go test -v ./...
```
#### Replay
Some packages can record the RPCs during integration tests to a file for
subsequent replay. To record, pass the `-record` flag to `go test`. The
recording will be saved to the _package_`.replay` file. To replay integration
tests from a saved recording, the replay file must be present, the `-short`
flag must be passed to `go test`, and the `GCLOUD_TESTS_GOLANG_ENABLE_REPLAY`
environment variable must have a non-empty value.
## Contributor License Agreements
Before we can accept your pull requests you'll need to sign a Contributor
License Agreement (CLA):
- **If you are an individual writing original source code** and **you own the
intellectual property**, then you'll need to sign an [individual CLA][indvcla].
- **If you work for a company that wants to allow you to contribute your
work**, then you'll need to sign a [corporate CLA][corpcla].
You can sign these electronically (just scroll to the bottom). After that,
we'll be able to accept your pull requests.
## Contributor Code of Conduct
As contributors and maintainers of this project,
and in the interest of fostering an open and welcoming community,
we pledge to respect all people who contribute through reporting issues,
posting feature requests, updating documentation,
submitting pull requests or patches, and other activities.
We are committed to making participation in this project
a harassment-free experience for everyone,
regardless of level of experience, gender, gender identity and expression,
sexual orientation, disability, personal appearance,
body size, race, ethnicity, age, religion, or nationality.
Examples of unacceptable behavior by participants include:
* The use of sexualized language or imagery
* Personal attacks
* Trolling or insulting/derogatory comments
* Public or private harassment
* Publishing other's private information,
such as physical or electronic
addresses, without explicit permission
* Other unethical or unprofessional conduct.
Project maintainers have the right and responsibility to remove, edit, or reject
comments, commits, code, wiki edits, issues, and other contributions
that are not aligned to this Code of Conduct.
By adopting this Code of Conduct,
project maintainers commit themselves to fairly and consistently
applying these principles to every aspect of managing this project.
Project maintainers who do not follow or enforce the Code of Conduct
may be permanently removed from the project team.
This code of conduct applies both within project spaces and in public spaces
when an individual is representing the project or its community.
Instances of abusive, harassing, or otherwise unacceptable behavior
may be reported by opening an issue
or contacting one or more of the project maintainers.
This Code of Conduct is adapted from the [Contributor Covenant](http://contributor-covenant.org), version 1.2.0,
available at [http://contributor-covenant.org/version/1/2/0/](http://contributor-covenant.org/version/1/2/0/)
[gcloudcli]: https://developers.google.com/cloud/sdk/gcloud/
[indvcla]: https://developers.google.com/open-source/cla/individual
[corpcla]: https://developers.google.com/open-source/cla/corporate

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# Google Cloud Client Libraries for Go
[![Go Reference](https://pkg.go.dev/badge/cloud.google.com/go.svg)](https://pkg.go.dev/cloud.google.com/go)
Go packages for [Google Cloud Platform](https://cloud.google.com) services.
``` go
import "cloud.google.com/go"
```
To install the packages on your system, *do not clone the repo*. Instead:
1. Change to your project directory:
```
cd /my/cloud/project
```
1. Get the package you want to use. Some products have their own module, so it's
best to `go get` the package(s) you want to use:
```
$ go get cloud.google.com/go/firestore # Replace with the package you want to use.
```
**NOTE:** Some of these packages are under development, and may occasionally
make backwards-incompatible changes.
**NOTE:** Github repo is a mirror of [https://code.googlesource.com/gocloud](https://code.googlesource.com/gocloud).
## Supported APIs
| Google API | Status | Package |
| ----------------------------------------------- | ------ | ----------------------------------------------------------------------------------------------------------------------------- |
| [Asset][cloud-asset] | stable | [`cloud.google.com/go/asset/apiv1`](https://pkg.go.dev/cloud.google.com/go/asset/v1beta) |
| [Automl][cloud-automl] | stable | [`cloud.google.com/go/automl/apiv1`](https://pkg.go.dev/cloud.google.com/go/automl/apiv1) |
| [BigQuery][cloud-bigquery] | stable | [`cloud.google.com/go/bigquery`](https://pkg.go.dev/cloud.google.com/go/bigquery) |
| [Bigtable][cloud-bigtable] | stable | [`cloud.google.com/go/bigtable`](https://pkg.go.dev/cloud.google.com/go/bigtable) |
| [Cloudbuild][cloud-build] | stable | [`cloud.google.com/go/cloudbuild/apiv1`](https://pkg.go.dev/cloud.google.com/go/cloudbuild/apiv1) |
| [Cloudtasks][cloud-tasks] | stable | [`cloud.google.com/go/cloudtasks/apiv2`](https://pkg.go.dev/cloud.google.com/go/cloudtasks/apiv2) |
| [Container][cloud-container] | stable | [`cloud.google.com/go/container/apiv1`](https://pkg.go.dev/cloud.google.com/go/container/apiv1) |
| [ContainerAnalysis][cloud-containeranalysis] | beta | [`cloud.google.com/go/containeranalysis/apiv1`](https://pkg.go.dev/cloud.google.com/go/containeranalysis/apiv1) |
| [Dataproc][cloud-dataproc] | stable | [`cloud.google.com/go/dataproc/apiv1`](https://pkg.go.dev/cloud.google.com/go/dataproc/apiv1) |
| [Datastore][cloud-datastore] | stable | [`cloud.google.com/go/datastore`](https://pkg.go.dev/cloud.google.com/go/datastore) |
| [Debugger][cloud-debugger] | stable | [`cloud.google.com/go/debugger/apiv2`](https://pkg.go.dev/cloud.google.com/go/debugger/apiv2) |
| [Dialogflow][cloud-dialogflow] | stable | [`cloud.google.com/go/dialogflow/apiv2`](https://pkg.go.dev/cloud.google.com/go/dialogflow/apiv2) |
| [Data Loss Prevention][cloud-dlp] | stable | [`cloud.google.com/go/dlp/apiv2`](https://pkg.go.dev/cloud.google.com/go/dlp/apiv2) |
| [ErrorReporting][cloud-errors] | alpha | [`cloud.google.com/go/errorreporting`](https://pkg.go.dev/cloud.google.com/go/errorreporting) |
| [Firestore][cloud-firestore] | stable | [`cloud.google.com/go/firestore`](https://pkg.go.dev/cloud.google.com/go/firestore) |
| [IAM][cloud-iam] | stable | [`cloud.google.com/go/iam`](https://pkg.go.dev/cloud.google.com/go/iam) |
| [IoT][cloud-iot] | stable | [`cloud.google.com/go/iot/apiv1`](https://pkg.go.dev/cloud.google.com/go/iot/apiv1) |
| [IRM][cloud-irm] | alpha | [`cloud.google.com/go/irm/apiv1alpha2`](https://pkg.go.dev/cloud.google.com/go/irm/apiv1alpha2) |
| [KMS][cloud-kms] | stable | [`cloud.google.com/go/kms/apiv1`](https://pkg.go.dev/cloud.google.com/go/kms/apiv1) |
| [Natural Language][cloud-natural-language] | stable | [`cloud.google.com/go/language/apiv1`](https://pkg.go.dev/cloud.google.com/go/language/apiv1) |
| [Logging][cloud-logging] | stable | [`cloud.google.com/go/logging`](https://pkg.go.dev/cloud.google.com/go/logging) |
| [Memorystore][cloud-memorystore] | alpha | [`cloud.google.com/go/redis/apiv1`](https://pkg.go.dev/cloud.google.com/go/redis/apiv1) |
| [Monitoring][cloud-monitoring] | stable | [`cloud.google.com/go/monitoring/apiv3`](https://pkg.go.dev/cloud.google.com/go/monitoring/apiv3) |
| [OS Login][cloud-oslogin] | stable | [`cloud.google.com/go/oslogin/apiv1`](https://pkg.go.dev/cloud.google.com/go/oslogin/apiv1) |
| [Pub/Sub][cloud-pubsub] | stable | [`cloud.google.com/go/pubsub`](https://pkg.go.dev/cloud.google.com/go/pubsub) |
| [Phishing Protection][cloud-phishingprotection] | alpha | [`cloud.google.com/go/phishingprotection/apiv1beta1`](https://pkg.go.dev/cloud.google.com/go/phishingprotection/apiv1beta1) |
| [reCAPTCHA Enterprise][cloud-recaptcha] | alpha | [`cloud.google.com/go/recaptchaenterprise/apiv1beta1`](https://pkg.go.dev/cloud.google.com/go/recaptchaenterprise/apiv1beta1) |
| [Recommender][cloud-recommender] | beta | [`cloud.google.com/go/recommender/apiv1beta1`](https://pkg.go.dev/cloud.google.com/go/recommender/apiv1beta1) |
| [Scheduler][cloud-scheduler] | stable | [`cloud.google.com/go/scheduler/apiv1`](https://pkg.go.dev/cloud.google.com/go/scheduler/apiv1) |
| [Securitycenter][cloud-securitycenter] | stable | [`cloud.google.com/go/securitycenter/apiv1`](https://pkg.go.dev/cloud.google.com/go/securitycenter/apiv1) |
| [Spanner][cloud-spanner] | stable | [`cloud.google.com/go/spanner`](https://pkg.go.dev/cloud.google.com/go/spanner) |
| [Speech][cloud-speech] | stable | [`cloud.google.com/go/speech/apiv1`](https://pkg.go.dev/cloud.google.com/go/speech/apiv1) |
| [Storage][cloud-storage] | stable | [`cloud.google.com/go/storage`](https://pkg.go.dev/cloud.google.com/go/storage) |
| [Talent][cloud-talent] | alpha | [`cloud.google.com/go/talent/apiv4beta1`](https://pkg.go.dev/cloud.google.com/go/talent/apiv4beta1) |
| [Text To Speech][cloud-texttospeech] | stable | [`cloud.google.com/go/texttospeech/apiv1`](https://pkg.go.dev/cloud.google.com/go/texttospeech/apiv1) |
| [Trace][cloud-trace] | stable | [`cloud.google.com/go/trace/apiv2`](https://pkg.go.dev/cloud.google.com/go/trace/apiv2) |
| [Translate][cloud-translate] | stable | [`cloud.google.com/go/translate`](https://pkg.go.dev/cloud.google.com/go/translate) |
| [Video Intelligence][cloud-video] | beta | [`cloud.google.com/go/videointelligence/apiv1beta2`](https://pkg.go.dev/cloud.google.com/go/videointelligence/apiv1beta2) |
| [Vision][cloud-vision] | stable | [`cloud.google.com/go/vision/apiv1`](https://pkg.go.dev/cloud.google.com/go/vision/apiv1) |
| [Webrisk][cloud-webrisk] | alpha | [`cloud.google.com/go/webrisk/apiv1beta1`](https://pkg.go.dev/cloud.google.com/go/webrisk/apiv1beta1) |
> **Alpha status**: the API is still being actively developed. As a
> result, it might change in backward-incompatible ways and is not recommended
> for production use.
>
> **Beta status**: the API is largely complete, but still has outstanding
> features and bugs to be addressed. There may be minor backwards-incompatible
> changes where necessary.
>
> **Stable status**: the API is mature and ready for production use. We will
> continue addressing bugs and feature requests.
Documentation and examples are available at [pkg.go.dev/cloud.google.com/go](https://pkg.go.dev/cloud.google.com/go)
## [Go Versions Supported](#supported-versions)
We currently support Go versions 1.11 and newer.
## Authorization
By default, each API will use [Google Application Default Credentials](https://developers.google.com/identity/protocols/application-default-credentials)
for authorization credentials used in calling the API endpoints. This will allow your
application to run in many environments without requiring explicit configuration.
[snip]:# (auth)
```go
client, err := storage.NewClient(ctx)
```
To authorize using a
[JSON key file](https://cloud.google.com/iam/docs/managing-service-account-keys),
pass
[`option.WithCredentialsFile`](https://pkg.go.dev/google.golang.org/api/option#WithCredentialsFile)
to the `NewClient` function of the desired package. For example:
[snip]:# (auth-JSON)
```go
client, err := storage.NewClient(ctx, option.WithCredentialsFile("path/to/keyfile.json"))
```
You can exert more control over authorization by using the
[`golang.org/x/oauth2`](https://pkg.go.dev/golang.org/x/oauth2) package to
create an `oauth2.TokenSource`. Then pass
[`option.WithTokenSource`](https://pkg.go.dev/google.golang.org/api/option#WithTokenSource)
to the `NewClient` function:
[snip]:# (auth-ts)
```go
tokenSource := ...
client, err := storage.NewClient(ctx, option.WithTokenSource(tokenSource))
```
## Contributing
Contributions are welcome. Please, see the
[CONTRIBUTING](https://github.com/GoogleCloudPlatform/google-cloud-go/blob/master/CONTRIBUTING.md)
document for details.
Please note that this project is released with a Contributor Code of Conduct.
By participating in this project you agree to abide by its terms.
See [Contributor Code of Conduct](https://github.com/GoogleCloudPlatform/google-cloud-go/blob/master/CONTRIBUTING.md#contributor-code-of-conduct)
for more information.
[cloud-asset]: https://cloud.google.com/security-command-center/docs/how-to-asset-inventory
[cloud-automl]: https://cloud.google.com/automl
[cloud-build]: https://cloud.google.com/cloud-build/
[cloud-bigquery]: https://cloud.google.com/bigquery/
[cloud-bigtable]: https://cloud.google.com/bigtable/
[cloud-container]: https://cloud.google.com/containers/
[cloud-containeranalysis]: https://cloud.google.com/container-registry/docs/container-analysis
[cloud-dataproc]: https://cloud.google.com/dataproc/
[cloud-datastore]: https://cloud.google.com/datastore/
[cloud-dialogflow]: https://cloud.google.com/dialogflow-enterprise/
[cloud-debugger]: https://cloud.google.com/debugger/
[cloud-dlp]: https://cloud.google.com/dlp/
[cloud-errors]: https://cloud.google.com/error-reporting/
[cloud-firestore]: https://cloud.google.com/firestore/
[cloud-iam]: https://cloud.google.com/iam/
[cloud-iot]: https://cloud.google.com/iot-core/
[cloud-irm]: https://cloud.google.com/incident-response/docs/concepts
[cloud-kms]: https://cloud.google.com/kms/
[cloud-pubsub]: https://cloud.google.com/pubsub/
[cloud-storage]: https://cloud.google.com/storage/
[cloud-language]: https://cloud.google.com/natural-language
[cloud-logging]: https://cloud.google.com/logging/
[cloud-natural-language]: https://cloud.google.com/natural-language/
[cloud-memorystore]: https://cloud.google.com/memorystore/
[cloud-monitoring]: https://cloud.google.com/monitoring/
[cloud-oslogin]: https://cloud.google.com/compute/docs/oslogin/rest
[cloud-phishingprotection]: https://cloud.google.com/phishing-protection/
[cloud-securitycenter]: https://cloud.google.com/security-command-center/
[cloud-scheduler]: https://cloud.google.com/scheduler
[cloud-spanner]: https://cloud.google.com/spanner/
[cloud-speech]: https://cloud.google.com/speech
[cloud-talent]: https://cloud.google.com/solutions/talent-solution/
[cloud-tasks]: https://cloud.google.com/tasks/
[cloud-texttospeech]: https://cloud.google.com/texttospeech/
[cloud-talent]: https://cloud.google.com/solutions/talent-solution/
[cloud-trace]: https://cloud.google.com/trace/
[cloud-translate]: https://cloud.google.com/translate
[cloud-recaptcha]: https://cloud.google.com/recaptcha-enterprise/
[cloud-recommender]: https://cloud.google.com/recommendations/
[cloud-video]: https://cloud.google.com/video-intelligence/
[cloud-vision]: https://cloud.google.com/vision
[cloud-webrisk]: https://cloud.google.com/web-risk/
## Links
- [Go on Google Cloud](https://cloud.google.com/go/home)
- [Getting started with Go on Google Cloud](https://cloud.google.com/go/getting-started)
- [App Engine Quickstart](https://cloud.google.com/appengine/docs/standard/go/quickstart)
- [Cloud Functions Quickstart](https://cloud.google.com/functions/docs/quickstart-go)
- [Cloud Run Quickstart](https://cloud.google.com/run/docs/quickstarts/build-and-deploy#go)

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# Releasing
## Determine which module to release
The Go client libraries have several modules. Each module does not strictly
correspond to a single library - they correspond to trees of directories. If a
file needs to be released, you must release the closest ancestor module.
To see all modules:
```bash
$ cat `find . -name go.mod` | grep module
module cloud.google.com/go/pubsub
module cloud.google.com/go/spanner
module cloud.google.com/go
module cloud.google.com/go/bigtable
module cloud.google.com/go/bigquery
module cloud.google.com/go/storage
module cloud.google.com/go/pubsublite
module cloud.google.com/go/firestore
module cloud.google.com/go/logging
module cloud.google.com/go/internal/gapicgen
module cloud.google.com/go/internal/godocfx
module cloud.google.com/go/internal/examples/fake
module cloud.google.com/go/internal/examples/mock
module cloud.google.com/go/datastore
```
The `cloud.google.com/go` is the repository root module. Each other module is
a submodule.
So, if you need to release a change in `bigtable/bttest/inmem.go`, the closest
ancestor module is `cloud.google.com/go/bigtable` - so you should release a new
version of the `cloud.google.com/go/bigtable` submodule.
If you need to release a change in `asset/apiv1/asset_client.go`, the closest
ancestor module is `cloud.google.com/go` - so you should release a new version
of the `cloud.google.com/go` repository root module. Note: releasing
`cloud.google.com/go` has no impact on any of the submodules, and vice-versa.
They are released entirely independently.
## Test failures
If there are any test failures in the Kokoro build, releases are blocked until
the failures have been resolved.
## How to release
### Automated Releases (`cloud.google.com/go` and submodules)
We now use [release-please](https://github.com/googleapis/release-please) to
perform automated releases for `cloud.google.com/go` and all submodules.
1. If there are changes that have not yet been released, a
[pull request](https://github.com/googleapis/google-cloud-go/pull/2971) will
be automatically opened by release-please
with a title like "chore: release X.Y.Z" (for the root module) or
"chore: release datastore X.Y.Z" (for the datastore submodule), where X.Y.Z
is the next version to be released. Find the desired pull request
[here](https://github.com/googleapis/google-cloud-go/pulls)
1. Check for failures in the
[continuous Kokoro build](http://go/google-cloud-go-continuous). If there are
any failures in the most recent build, address them before proceeding with
the release. (This applies even if the failures are in a different submodule
from the one being released.)
1. Review the release notes. These are automatically generated from the titles
of any merged commits since the previous release. If you would like to edit
them, this can be done by updating the changes in the release PR.
1. To cut a release, approve and merge the pull request. Doing so will
update the `CHANGES.md`, tag the merged commit with the appropriate version,
and draft a GitHub release which will copy the notes from `CHANGES.md`.
### Manual Release (`cloud.google.com/go`)
If for whatever reason the automated release process is not working as expected,
here is how to manually cut a release of `cloud.google.com/go`.
1. Check for failures in the
[continuous Kokoro build](http://go/google-cloud-go-continuous). If there are
any failures in the most recent build, address them before proceeding with
the release.
1. Navigate to `google-cloud-go/` and switch to master.
1. `git pull`
1. Run `git tag -l | grep -v beta | grep -v alpha` to see all existing releases.
The current latest tag `$CV` is the largest tag. It should look something
like `vX.Y.Z` (note: ignore all `LIB/vX.Y.Z` tags - these are tags for a
specific library, not the module root). We'll call the current version `$CV`
and the new version `$NV`.
1. On master, run `git log $CV...` to list all the changes since the last
release. NOTE: You must manually visually parse out changes to submodules [1]
(the `git log` is going to show you things in submodules, which are not going
to be part of your release).
1. Edit `CHANGES.md` to include a summary of the changes.
1. In `internal/version/version.go`, update `const Repo` to today's date with
the format `YYYYMMDD`.
1. In `internal/version` run `go generate`.
1. Commit the changes, ignoring the generated `.go-r` file. Push to your fork,
and create a PR titled `chore: release $NV`.
1. Wait for the PR to be reviewed and merged. Once it's merged, and without
merging any other PRs in the meantime:
a. Switch to master.
b. `git pull`
c. Tag the repo with the next version: `git tag $NV`.
d. Push the tag to origin:
`git push origin $NV`
1. Update [the releases page](https://github.com/googleapis/google-cloud-go/releases)
with the new release, copying the contents of `CHANGES.md`.
### Manual Releases (submodules)
If for whatever reason the automated release process is not working as expected,
here is how to manually cut a release of a submodule.
(these instructions assume we're releasing `cloud.google.com/go/datastore` - adjust accordingly)
1. Check for failures in the
[continuous Kokoro build](http://go/google-cloud-go-continuous). If there are
any failures in the most recent build, address them before proceeding with
the release. (This applies even if the failures are in a different submodule
from the one being released.)
1. Navigate to `google-cloud-go/` and switch to master.
1. `git pull`
1. Run `git tag -l | grep datastore | grep -v beta | grep -v alpha` to see all
existing releases. The current latest tag `$CV` is the largest tag. It
should look something like `datastore/vX.Y.Z`. We'll call the current version
`$CV` and the new version `$NV`.
1. On master, run `git log $CV.. -- datastore/` to list all the changes to the
submodule directory since the last release.
1. Edit `datastore/CHANGES.md` to include a summary of the changes.
1. In `internal/version` run `go generate`.
1. Commit the changes, ignoring the generated `.go-r` file. Push to your fork,
and create a PR titled `chore(datastore): release $NV`.
1. Wait for the PR to be reviewed and merged. Once it's merged, and without
merging any other PRs in the meantime:
a. Switch to master.
b. `git pull`
c. Tag the repo with the next version: `git tag $NV`.
d. Push the tag to origin:
`git push origin $NV`
1. Update [the releases page](https://github.com/googleapis/google-cloud-go/releases)
with the new release, copying the contents of `datastore/CHANGES.md`.

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// Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Code generated by gapic-generator. DO NOT EDIT.
package cloudbuild
import (
"context"
"fmt"
"math"
"net/url"
"time"
"github.com/golang/protobuf/proto"
gax "github.com/googleapis/gax-go/v2"
"google.golang.org/api/iterator"
"google.golang.org/api/option"
gtransport "google.golang.org/api/transport/grpc"
cloudbuildpb "google.golang.org/genproto/googleapis/devtools/cloudbuild/v1"
longrunningpb "google.golang.org/genproto/googleapis/longrunning"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/metadata"
)
// CallOptions contains the retry settings for each method of Client.
type CallOptions struct {
CreateBuild []gax.CallOption
GetBuild []gax.CallOption
ListBuilds []gax.CallOption
CancelBuild []gax.CallOption
CreateBuildTrigger []gax.CallOption
GetBuildTrigger []gax.CallOption
ListBuildTriggers []gax.CallOption
DeleteBuildTrigger []gax.CallOption
UpdateBuildTrigger []gax.CallOption
RunBuildTrigger []gax.CallOption
RetryBuild []gax.CallOption
CreateWorkerPool []gax.CallOption
GetWorkerPool []gax.CallOption
DeleteWorkerPool []gax.CallOption
UpdateWorkerPool []gax.CallOption
ListWorkerPools []gax.CallOption
}
func defaultClientOptions() []option.ClientOption {
return []option.ClientOption{
option.WithEndpoint("cloudbuild.googleapis.com:443"),
option.WithScopes(DefaultAuthScopes()...),
option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
grpc.MaxCallRecvMsgSize(math.MaxInt32))),
}
}
func defaultCallOptions() *CallOptions {
retry := map[[2]string][]gax.CallOption{
{"default", "idempotent"}: {
gax.WithRetry(func() gax.Retryer {
return gax.OnCodes([]codes.Code{
codes.DeadlineExceeded,
codes.Unavailable,
}, gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 60000 * time.Millisecond,
Multiplier: 1.3,
})
}),
},
}
return &CallOptions{
CreateBuild: retry[[2]string{"default", "non_idempotent"}],
GetBuild: retry[[2]string{"default", "idempotent"}],
ListBuilds: retry[[2]string{"default", "idempotent"}],
CancelBuild: retry[[2]string{"default", "non_idempotent"}],
CreateBuildTrigger: retry[[2]string{"default", "non_idempotent"}],
GetBuildTrigger: retry[[2]string{"default", "idempotent"}],
ListBuildTriggers: retry[[2]string{"default", "idempotent"}],
DeleteBuildTrigger: retry[[2]string{"default", "idempotent"}],
UpdateBuildTrigger: retry[[2]string{"default", "non_idempotent"}],
RunBuildTrigger: retry[[2]string{"default", "non_idempotent"}],
RetryBuild: retry[[2]string{"default", "non_idempotent"}],
CreateWorkerPool: retry[[2]string{"default", "non_idempotent"}],
GetWorkerPool: retry[[2]string{"default", "non_idempotent"}],
DeleteWorkerPool: retry[[2]string{"default", "non_idempotent"}],
UpdateWorkerPool: retry[[2]string{"default", "non_idempotent"}],
ListWorkerPools: retry[[2]string{"default", "non_idempotent"}],
}
}
// Client is a client for interacting with Cloud Build API.
//
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
type Client struct {
// The connection to the service.
connPool gtransport.ConnPool
// The gRPC API client.
client cloudbuildpb.CloudBuildClient
// The call options for this service.
CallOptions *CallOptions
// The x-goog-* metadata to be sent with each request.
xGoogMetadata metadata.MD
}
// NewClient creates a new cloud build client.
//
// Creates and manages builds on Google Cloud Platform.
//
// The main concept used by this API is a Build, which describes the location
// of the source to build, how to build the source, and where to store the
// built artifacts, if any.
//
// A user can list previously-requested builds or get builds by their ID to
// determine the status of the build.
func NewClient(ctx context.Context, opts ...option.ClientOption) (*Client, error) {
connPool, err := gtransport.DialPool(ctx, append(defaultClientOptions(), opts...)...)
if err != nil {
return nil, err
}
c := &Client{
connPool: connPool,
CallOptions: defaultCallOptions(),
client: cloudbuildpb.NewCloudBuildClient(connPool),
}
c.setGoogleClientInfo()
return c, nil
}
// Connection returns the client's connection to the API service.
func (c *Client) Connection() *grpc.ClientConn {
return c.connPool.Conn()
}
// Close closes the connection to the API service. The user should invoke this when
// the client is no longer required.
func (c *Client) Close() error {
return c.connPool.Close()
}
// setGoogleClientInfo sets the name and version of the application in
// the `x-goog-api-client` header passed on each request. Intended for
// use by Google-written clients.
func (c *Client) setGoogleClientInfo(keyval ...string) {
kv := append([]string{"gl-go", versionGo()}, keyval...)
kv = append(kv, "gapic", versionClient, "gax", gax.Version, "grpc", grpc.Version)
c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
}
// CreateBuild starts a build with the specified configuration.
//
// This method returns a long-running Operation, which includes the build
// ID. Pass the build ID to GetBuild to determine the build status (such as
// SUCCESS or FAILURE).
func (c *Client) CreateBuild(ctx context.Context, req *cloudbuildpb.CreateBuildRequest, opts ...gax.CallOption) (*longrunningpb.Operation, error) {
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "project_id", url.QueryEscape(req.GetProjectId())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append(c.CallOptions.CreateBuild[0:len(c.CallOptions.CreateBuild):len(c.CallOptions.CreateBuild)], opts...)
var resp *longrunningpb.Operation
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.CreateBuild(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// GetBuild returns information about a previously requested build.
//
// The Build that is returned includes its status (such as SUCCESS,
// FAILURE, or WORKING), and timing information.
func (c *Client) GetBuild(ctx context.Context, req *cloudbuildpb.GetBuildRequest, opts ...gax.CallOption) (*cloudbuildpb.Build, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.GetBuild[0:len(c.CallOptions.GetBuild):len(c.CallOptions.GetBuild)], opts...)
var resp *cloudbuildpb.Build
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.GetBuild(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// ListBuilds lists previously requested builds.
//
// Previously requested builds may still be in-progress, or may have finished
// successfully or unsuccessfully.
func (c *Client) ListBuilds(ctx context.Context, req *cloudbuildpb.ListBuildsRequest, opts ...gax.CallOption) *BuildIterator {
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "project_id", url.QueryEscape(req.GetProjectId())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append(c.CallOptions.ListBuilds[0:len(c.CallOptions.ListBuilds):len(c.CallOptions.ListBuilds)], opts...)
it := &BuildIterator{}
req = proto.Clone(req).(*cloudbuildpb.ListBuildsRequest)
it.InternalFetch = func(pageSize int, pageToken string) ([]*cloudbuildpb.Build, string, error) {
var resp *cloudbuildpb.ListBuildsResponse
req.PageToken = pageToken
if pageSize > math.MaxInt32 {
req.PageSize = math.MaxInt32
} else {
req.PageSize = int32(pageSize)
}
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.ListBuilds(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
return resp.Builds, resp.NextPageToken, nil
}
fetch := func(pageSize int, pageToken string) (string, error) {
items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
if err != nil {
return "", err
}
it.items = append(it.items, items...)
return nextPageToken, nil
}
it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
it.pageInfo.MaxSize = int(req.PageSize)
it.pageInfo.Token = req.PageToken
return it
}
// CancelBuild cancels a build in progress.
func (c *Client) CancelBuild(ctx context.Context, req *cloudbuildpb.CancelBuildRequest, opts ...gax.CallOption) (*cloudbuildpb.Build, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.CancelBuild[0:len(c.CallOptions.CancelBuild):len(c.CallOptions.CancelBuild)], opts...)
var resp *cloudbuildpb.Build
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.CancelBuild(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// CreateBuildTrigger creates a new BuildTrigger.
//
// This API is experimental.
func (c *Client) CreateBuildTrigger(ctx context.Context, req *cloudbuildpb.CreateBuildTriggerRequest, opts ...gax.CallOption) (*cloudbuildpb.BuildTrigger, error) {
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "project_id", url.QueryEscape(req.GetProjectId())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append(c.CallOptions.CreateBuildTrigger[0:len(c.CallOptions.CreateBuildTrigger):len(c.CallOptions.CreateBuildTrigger)], opts...)
var resp *cloudbuildpb.BuildTrigger
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.CreateBuildTrigger(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// GetBuildTrigger returns information about a BuildTrigger.
//
// This API is experimental.
func (c *Client) GetBuildTrigger(ctx context.Context, req *cloudbuildpb.GetBuildTriggerRequest, opts ...gax.CallOption) (*cloudbuildpb.BuildTrigger, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.GetBuildTrigger[0:len(c.CallOptions.GetBuildTrigger):len(c.CallOptions.GetBuildTrigger)], opts...)
var resp *cloudbuildpb.BuildTrigger
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.GetBuildTrigger(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// ListBuildTriggers lists existing BuildTriggers.
//
// This API is experimental.
func (c *Client) ListBuildTriggers(ctx context.Context, req *cloudbuildpb.ListBuildTriggersRequest, opts ...gax.CallOption) (*cloudbuildpb.ListBuildTriggersResponse, error) {
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "project_id", url.QueryEscape(req.GetProjectId())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append(c.CallOptions.ListBuildTriggers[0:len(c.CallOptions.ListBuildTriggers):len(c.CallOptions.ListBuildTriggers)], opts...)
var resp *cloudbuildpb.ListBuildTriggersResponse
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.ListBuildTriggers(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// DeleteBuildTrigger deletes a BuildTrigger by its project ID and trigger ID.
//
// This API is experimental.
func (c *Client) DeleteBuildTrigger(ctx context.Context, req *cloudbuildpb.DeleteBuildTriggerRequest, opts ...gax.CallOption) error {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.DeleteBuildTrigger[0:len(c.CallOptions.DeleteBuildTrigger):len(c.CallOptions.DeleteBuildTrigger)], opts...)
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
_, err = c.client.DeleteBuildTrigger(ctx, req, settings.GRPC...)
return err
}, opts...)
return err
}
// UpdateBuildTrigger updates a BuildTrigger by its project ID and trigger ID.
//
// This API is experimental.
func (c *Client) UpdateBuildTrigger(ctx context.Context, req *cloudbuildpb.UpdateBuildTriggerRequest, opts ...gax.CallOption) (*cloudbuildpb.BuildTrigger, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.UpdateBuildTrigger[0:len(c.CallOptions.UpdateBuildTrigger):len(c.CallOptions.UpdateBuildTrigger)], opts...)
var resp *cloudbuildpb.BuildTrigger
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.UpdateBuildTrigger(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// RunBuildTrigger runs a BuildTrigger at a particular source revision.
func (c *Client) RunBuildTrigger(ctx context.Context, req *cloudbuildpb.RunBuildTriggerRequest, opts ...gax.CallOption) (*longrunningpb.Operation, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.RunBuildTrigger[0:len(c.CallOptions.RunBuildTrigger):len(c.CallOptions.RunBuildTrigger)], opts...)
var resp *longrunningpb.Operation
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.RunBuildTrigger(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// RetryBuild creates a new build based on the specified build.
//
// This method creates a new build using the original build request, which may
// or may not result in an identical build.
//
// For triggered builds:
//
// Triggered builds resolve to a precise revision; therefore a retry of a
// triggered build will result in a build that uses the same revision.
//
// For non-triggered builds that specify RepoSource:
//
// If the original build built from the tip of a branch, the retried build
// will build from the tip of that branch, which may not be the same revision
// as the original build.
//
// If the original build specified a commit sha or revision ID, the retried
// build will use the identical source.
//
// For builds that specify StorageSource:
//
// If the original build pulled source from Google Cloud Storage without
// specifying the generation of the object, the new build will use the current
// object, which may be different from the original build source.
//
// If the original build pulled source from Cloud Storage and specified the
// generation of the object, the new build will attempt to use the same
// object, which may or may not be available depending on the bucket's
// lifecycle management settings.
func (c *Client) RetryBuild(ctx context.Context, req *cloudbuildpb.RetryBuildRequest, opts ...gax.CallOption) (*longrunningpb.Operation, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.RetryBuild[0:len(c.CallOptions.RetryBuild):len(c.CallOptions.RetryBuild)], opts...)
var resp *longrunningpb.Operation
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.RetryBuild(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// CreateWorkerPool creates a WorkerPool to run the builds, and returns the new worker pool.
//
// This API is experimental.
func (c *Client) CreateWorkerPool(ctx context.Context, req *cloudbuildpb.CreateWorkerPoolRequest, opts ...gax.CallOption) (*cloudbuildpb.WorkerPool, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.CreateWorkerPool[0:len(c.CallOptions.CreateWorkerPool):len(c.CallOptions.CreateWorkerPool)], opts...)
var resp *cloudbuildpb.WorkerPool
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.CreateWorkerPool(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// GetWorkerPool returns information about a WorkerPool.
//
// This API is experimental.
func (c *Client) GetWorkerPool(ctx context.Context, req *cloudbuildpb.GetWorkerPoolRequest, opts ...gax.CallOption) (*cloudbuildpb.WorkerPool, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.GetWorkerPool[0:len(c.CallOptions.GetWorkerPool):len(c.CallOptions.GetWorkerPool)], opts...)
var resp *cloudbuildpb.WorkerPool
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.GetWorkerPool(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// DeleteWorkerPool deletes a WorkerPool by its project ID and WorkerPool name.
//
// This API is experimental.
func (c *Client) DeleteWorkerPool(ctx context.Context, req *cloudbuildpb.DeleteWorkerPoolRequest, opts ...gax.CallOption) error {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.DeleteWorkerPool[0:len(c.CallOptions.DeleteWorkerPool):len(c.CallOptions.DeleteWorkerPool)], opts...)
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
_, err = c.client.DeleteWorkerPool(ctx, req, settings.GRPC...)
return err
}, opts...)
return err
}
// UpdateWorkerPool update a WorkerPool.
//
// This API is experimental.
func (c *Client) UpdateWorkerPool(ctx context.Context, req *cloudbuildpb.UpdateWorkerPoolRequest, opts ...gax.CallOption) (*cloudbuildpb.WorkerPool, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.UpdateWorkerPool[0:len(c.CallOptions.UpdateWorkerPool):len(c.CallOptions.UpdateWorkerPool)], opts...)
var resp *cloudbuildpb.WorkerPool
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.UpdateWorkerPool(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// ListWorkerPools list project's WorkerPools.
//
// This API is experimental.
func (c *Client) ListWorkerPools(ctx context.Context, req *cloudbuildpb.ListWorkerPoolsRequest, opts ...gax.CallOption) (*cloudbuildpb.ListWorkerPoolsResponse, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.ListWorkerPools[0:len(c.CallOptions.ListWorkerPools):len(c.CallOptions.ListWorkerPools)], opts...)
var resp *cloudbuildpb.ListWorkerPoolsResponse
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.ListWorkerPools(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// BuildIterator manages a stream of *cloudbuildpb.Build.
type BuildIterator struct {
items []*cloudbuildpb.Build
pageInfo *iterator.PageInfo
nextFunc func() error
// InternalFetch is for use by the Google Cloud Libraries only.
// It is not part of the stable interface of this package.
//
// InternalFetch returns results from a single call to the underlying RPC.
// The number of results is no greater than pageSize.
// If there are no more results, nextPageToken is empty and err is nil.
InternalFetch func(pageSize int, pageToken string) (results []*cloudbuildpb.Build, nextPageToken string, err error)
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *BuildIterator) PageInfo() *iterator.PageInfo {
return it.pageInfo
}
// Next returns the next result. Its second return value is iterator.Done if there are no more
// results. Once Next returns Done, all subsequent calls will return Done.
func (it *BuildIterator) Next() (*cloudbuildpb.Build, error) {
var item *cloudbuildpb.Build
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *BuildIterator) bufLen() int {
return len(it.items)
}
func (it *BuildIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}

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vendor/cloud.google.com/go/cloudbuild/apiv1/doc.go generated vendored Normal file
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// Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Code generated by gapic-generator. DO NOT EDIT.
// Package cloudbuild is an auto-generated package for the
// Cloud Build API.
//
// Creates and manages builds on Google Cloud Platform.
//
// Use of Context
//
// The ctx passed to NewClient is used for authentication requests and
// for creating the underlying connection, but is not used for subsequent calls.
// Individual methods on the client use the ctx given to them.
//
// To close the open connection, use the Close() method.
//
// For information about setting deadlines, reusing contexts, and more
// please visit godoc.org/cloud.google.com/go.
package cloudbuild // import "cloud.google.com/go/cloudbuild/apiv1"
import (
"context"
"runtime"
"strings"
"unicode"
"google.golang.org/grpc/metadata"
)
func insertMetadata(ctx context.Context, mds ...metadata.MD) context.Context {
out, _ := metadata.FromOutgoingContext(ctx)
out = out.Copy()
for _, md := range mds {
for k, v := range md {
out[k] = append(out[k], v...)
}
}
return metadata.NewOutgoingContext(ctx, out)
}
// DefaultAuthScopes reports the default set of authentication scopes to use with this package.
func DefaultAuthScopes() []string {
return []string{
"https://www.googleapis.com/auth/cloud-platform",
}
}
// versionGo returns the Go runtime version. The returned string
// has no whitespace, suitable for reporting in header.
func versionGo() string {
const develPrefix = "devel +"
s := runtime.Version()
if strings.HasPrefix(s, develPrefix) {
s = s[len(develPrefix):]
if p := strings.IndexFunc(s, unicode.IsSpace); p >= 0 {
s = s[:p]
}
return s
}
notSemverRune := func(r rune) bool {
return strings.IndexRune("0123456789.", r) < 0
}
if strings.HasPrefix(s, "go1") {
s = s[2:]
var prerelease string
if p := strings.IndexFunc(s, notSemverRune); p >= 0 {
s, prerelease = s[:p], s[p:]
}
if strings.HasSuffix(s, ".") {
s += "0"
} else if strings.Count(s, ".") < 2 {
s += ".0"
}
if prerelease != "" {
s += "-" + prerelease
}
return s
}
return "UNKNOWN"
}
const versionClient = "20191216"

519
vendor/cloud.google.com/go/compute/metadata/metadata.go generated vendored Normal file
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// Copyright 2014 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package metadata provides access to Google Compute Engine (GCE)
// metadata and API service accounts.
//
// This package is a wrapper around the GCE metadata service,
// as documented at https://developers.google.com/compute/docs/metadata.
package metadata // import "cloud.google.com/go/compute/metadata"
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"net"
"net/http"
"net/url"
"os"
"runtime"
"strings"
"sync"
"time"
)
const (
// metadataIP is the documented metadata server IP address.
metadataIP = "169.254.169.254"
// metadataHostEnv is the environment variable specifying the
// GCE metadata hostname. If empty, the default value of
// metadataIP ("169.254.169.254") is used instead.
// This is variable name is not defined by any spec, as far as
// I know; it was made up for the Go package.
metadataHostEnv = "GCE_METADATA_HOST"
userAgent = "gcloud-golang/0.1"
)
type cachedValue struct {
k string
trim bool
mu sync.Mutex
v string
}
var (
projID = &cachedValue{k: "project/project-id", trim: true}
projNum = &cachedValue{k: "project/numeric-project-id", trim: true}
instID = &cachedValue{k: "instance/id", trim: true}
)
var defaultClient = &Client{hc: &http.Client{
Transport: &http.Transport{
Dial: (&net.Dialer{
Timeout: 2 * time.Second,
KeepAlive: 30 * time.Second,
}).Dial,
},
}}
// NotDefinedError is returned when requested metadata is not defined.
//
// The underlying string is the suffix after "/computeMetadata/v1/".
//
// This error is not returned if the value is defined to be the empty
// string.
type NotDefinedError string
func (suffix NotDefinedError) Error() string {
return fmt.Sprintf("metadata: GCE metadata %q not defined", string(suffix))
}
func (c *cachedValue) get(cl *Client) (v string, err error) {
defer c.mu.Unlock()
c.mu.Lock()
if c.v != "" {
return c.v, nil
}
if c.trim {
v, err = cl.getTrimmed(c.k)
} else {
v, err = cl.Get(c.k)
}
if err == nil {
c.v = v
}
return
}
var (
onGCEOnce sync.Once
onGCE bool
)
// OnGCE reports whether this process is running on Google Compute Engine.
func OnGCE() bool {
onGCEOnce.Do(initOnGCE)
return onGCE
}
func initOnGCE() {
onGCE = testOnGCE()
}
func testOnGCE() bool {
// The user explicitly said they're on GCE, so trust them.
if os.Getenv(metadataHostEnv) != "" {
return true
}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
resc := make(chan bool, 2)
// Try two strategies in parallel.
// See https://github.com/googleapis/google-cloud-go/issues/194
go func() {
req, _ := http.NewRequest("GET", "http://"+metadataIP, nil)
req.Header.Set("User-Agent", userAgent)
res, err := defaultClient.hc.Do(req.WithContext(ctx))
if err != nil {
resc <- false
return
}
defer res.Body.Close()
resc <- res.Header.Get("Metadata-Flavor") == "Google"
}()
go func() {
addrs, err := net.DefaultResolver.LookupHost(ctx, "metadata.google.internal")
if err != nil || len(addrs) == 0 {
resc <- false
return
}
resc <- strsContains(addrs, metadataIP)
}()
tryHarder := systemInfoSuggestsGCE()
if tryHarder {
res := <-resc
if res {
// The first strategy succeeded, so let's use it.
return true
}
// Wait for either the DNS or metadata server probe to
// contradict the other one and say we are running on
// GCE. Give it a lot of time to do so, since the system
// info already suggests we're running on a GCE BIOS.
timer := time.NewTimer(5 * time.Second)
defer timer.Stop()
select {
case res = <-resc:
return res
case <-timer.C:
// Too slow. Who knows what this system is.
return false
}
}
// There's no hint from the system info that we're running on
// GCE, so use the first probe's result as truth, whether it's
// true or false. The goal here is to optimize for speed for
// users who are NOT running on GCE. We can't assume that
// either a DNS lookup or an HTTP request to a blackholed IP
// address is fast. Worst case this should return when the
// metaClient's Transport.ResponseHeaderTimeout or
// Transport.Dial.Timeout fires (in two seconds).
return <-resc
}
// systemInfoSuggestsGCE reports whether the local system (without
// doing network requests) suggests that we're running on GCE. If this
// returns true, testOnGCE tries a bit harder to reach its metadata
// server.
func systemInfoSuggestsGCE() bool {
if runtime.GOOS != "linux" {
// We don't have any non-Linux clues available, at least yet.
return false
}
slurp, _ := ioutil.ReadFile("/sys/class/dmi/id/product_name")
name := strings.TrimSpace(string(slurp))
return name == "Google" || name == "Google Compute Engine"
}
// Subscribe calls Client.Subscribe on the default client.
func Subscribe(suffix string, fn func(v string, ok bool) error) error {
return defaultClient.Subscribe(suffix, fn)
}
// Get calls Client.Get on the default client.
func Get(suffix string) (string, error) { return defaultClient.Get(suffix) }
// ProjectID returns the current instance's project ID string.
func ProjectID() (string, error) { return defaultClient.ProjectID() }
// NumericProjectID returns the current instance's numeric project ID.
func NumericProjectID() (string, error) { return defaultClient.NumericProjectID() }
// InternalIP returns the instance's primary internal IP address.
func InternalIP() (string, error) { return defaultClient.InternalIP() }
// ExternalIP returns the instance's primary external (public) IP address.
func ExternalIP() (string, error) { return defaultClient.ExternalIP() }
// Email calls Client.Email on the default client.
func Email(serviceAccount string) (string, error) { return defaultClient.Email(serviceAccount) }
// Hostname returns the instance's hostname. This will be of the form
// "<instanceID>.c.<projID>.internal".
func Hostname() (string, error) { return defaultClient.Hostname() }
// InstanceTags returns the list of user-defined instance tags,
// assigned when initially creating a GCE instance.
func InstanceTags() ([]string, error) { return defaultClient.InstanceTags() }
// InstanceID returns the current VM's numeric instance ID.
func InstanceID() (string, error) { return defaultClient.InstanceID() }
// InstanceName returns the current VM's instance ID string.
func InstanceName() (string, error) { return defaultClient.InstanceName() }
// Zone returns the current VM's zone, such as "us-central1-b".
func Zone() (string, error) { return defaultClient.Zone() }
// InstanceAttributes calls Client.InstanceAttributes on the default client.
func InstanceAttributes() ([]string, error) { return defaultClient.InstanceAttributes() }
// ProjectAttributes calls Client.ProjectAttributes on the default client.
func ProjectAttributes() ([]string, error) { return defaultClient.ProjectAttributes() }
// InstanceAttributeValue calls Client.InstanceAttributeValue on the default client.
func InstanceAttributeValue(attr string) (string, error) {
return defaultClient.InstanceAttributeValue(attr)
}
// ProjectAttributeValue calls Client.ProjectAttributeValue on the default client.
func ProjectAttributeValue(attr string) (string, error) {
return defaultClient.ProjectAttributeValue(attr)
}
// Scopes calls Client.Scopes on the default client.
func Scopes(serviceAccount string) ([]string, error) { return defaultClient.Scopes(serviceAccount) }
func strsContains(ss []string, s string) bool {
for _, v := range ss {
if v == s {
return true
}
}
return false
}
// A Client provides metadata.
type Client struct {
hc *http.Client
}
// NewClient returns a Client that can be used to fetch metadata.
// Returns the client that uses the specified http.Client for HTTP requests.
// If nil is specified, returns the default client.
func NewClient(c *http.Client) *Client {
if c == nil {
return defaultClient
}
return &Client{hc: c}
}
// getETag returns a value from the metadata service as well as the associated ETag.
// This func is otherwise equivalent to Get.
func (c *Client) getETag(suffix string) (value, etag string, err error) {
// Using a fixed IP makes it very difficult to spoof the metadata service in
// a container, which is an important use-case for local testing of cloud
// deployments. To enable spoofing of the metadata service, the environment
// variable GCE_METADATA_HOST is first inspected to decide where metadata
// requests shall go.
host := os.Getenv(metadataHostEnv)
if host == "" {
// Using 169.254.169.254 instead of "metadata" here because Go
// binaries built with the "netgo" tag and without cgo won't
// know the search suffix for "metadata" is
// ".google.internal", and this IP address is documented as
// being stable anyway.
host = metadataIP
}
suffix = strings.TrimLeft(suffix, "/")
u := "http://" + host + "/computeMetadata/v1/" + suffix
req, err := http.NewRequest("GET", u, nil)
if err != nil {
return "", "", err
}
req.Header.Set("Metadata-Flavor", "Google")
req.Header.Set("User-Agent", userAgent)
res, err := c.hc.Do(req)
if err != nil {
return "", "", err
}
defer res.Body.Close()
if res.StatusCode == http.StatusNotFound {
return "", "", NotDefinedError(suffix)
}
all, err := ioutil.ReadAll(res.Body)
if err != nil {
return "", "", err
}
if res.StatusCode != 200 {
return "", "", &Error{Code: res.StatusCode, Message: string(all)}
}
return string(all), res.Header.Get("Etag"), nil
}
// Get returns a value from the metadata service.
// The suffix is appended to "http://${GCE_METADATA_HOST}/computeMetadata/v1/".
//
// If the GCE_METADATA_HOST environment variable is not defined, a default of
// 169.254.169.254 will be used instead.
//
// If the requested metadata is not defined, the returned error will
// be of type NotDefinedError.
func (c *Client) Get(suffix string) (string, error) {
val, _, err := c.getETag(suffix)
return val, err
}
func (c *Client) getTrimmed(suffix string) (s string, err error) {
s, err = c.Get(suffix)
s = strings.TrimSpace(s)
return
}
func (c *Client) lines(suffix string) ([]string, error) {
j, err := c.Get(suffix)
if err != nil {
return nil, err
}
s := strings.Split(strings.TrimSpace(j), "\n")
for i := range s {
s[i] = strings.TrimSpace(s[i])
}
return s, nil
}
// ProjectID returns the current instance's project ID string.
func (c *Client) ProjectID() (string, error) { return projID.get(c) }
// NumericProjectID returns the current instance's numeric project ID.
func (c *Client) NumericProjectID() (string, error) { return projNum.get(c) }
// InstanceID returns the current VM's numeric instance ID.
func (c *Client) InstanceID() (string, error) { return instID.get(c) }
// InternalIP returns the instance's primary internal IP address.
func (c *Client) InternalIP() (string, error) {
return c.getTrimmed("instance/network-interfaces/0/ip")
}
// Email returns the email address associated with the service account.
// The account may be empty or the string "default" to use the instance's
// main account.
func (c *Client) Email(serviceAccount string) (string, error) {
if serviceAccount == "" {
serviceAccount = "default"
}
return c.getTrimmed("instance/service-accounts/" + serviceAccount + "/email")
}
// ExternalIP returns the instance's primary external (public) IP address.
func (c *Client) ExternalIP() (string, error) {
return c.getTrimmed("instance/network-interfaces/0/access-configs/0/external-ip")
}
// Hostname returns the instance's hostname. This will be of the form
// "<instanceID>.c.<projID>.internal".
func (c *Client) Hostname() (string, error) {
return c.getTrimmed("instance/hostname")
}
// InstanceTags returns the list of user-defined instance tags,
// assigned when initially creating a GCE instance.
func (c *Client) InstanceTags() ([]string, error) {
var s []string
j, err := c.Get("instance/tags")
if err != nil {
return nil, err
}
if err := json.NewDecoder(strings.NewReader(j)).Decode(&s); err != nil {
return nil, err
}
return s, nil
}
// InstanceName returns the current VM's instance ID string.
func (c *Client) InstanceName() (string, error) {
return c.getTrimmed("instance/name")
}
// Zone returns the current VM's zone, such as "us-central1-b".
func (c *Client) Zone() (string, error) {
zone, err := c.getTrimmed("instance/zone")
// zone is of the form "projects/<projNum>/zones/<zoneName>".
if err != nil {
return "", err
}
return zone[strings.LastIndex(zone, "/")+1:], nil
}
// InstanceAttributes returns the list of user-defined attributes,
// assigned when initially creating a GCE VM instance. The value of an
// attribute can be obtained with InstanceAttributeValue.
func (c *Client) InstanceAttributes() ([]string, error) { return c.lines("instance/attributes/") }
// ProjectAttributes returns the list of user-defined attributes
// applying to the project as a whole, not just this VM. The value of
// an attribute can be obtained with ProjectAttributeValue.
func (c *Client) ProjectAttributes() ([]string, error) { return c.lines("project/attributes/") }
// InstanceAttributeValue returns the value of the provided VM
// instance attribute.
//
// If the requested attribute is not defined, the returned error will
// be of type NotDefinedError.
//
// InstanceAttributeValue may return ("", nil) if the attribute was
// defined to be the empty string.
func (c *Client) InstanceAttributeValue(attr string) (string, error) {
return c.Get("instance/attributes/" + attr)
}
// ProjectAttributeValue returns the value of the provided
// project attribute.
//
// If the requested attribute is not defined, the returned error will
// be of type NotDefinedError.
//
// ProjectAttributeValue may return ("", nil) if the attribute was
// defined to be the empty string.
func (c *Client) ProjectAttributeValue(attr string) (string, error) {
return c.Get("project/attributes/" + attr)
}
// Scopes returns the service account scopes for the given account.
// The account may be empty or the string "default" to use the instance's
// main account.
func (c *Client) Scopes(serviceAccount string) ([]string, error) {
if serviceAccount == "" {
serviceAccount = "default"
}
return c.lines("instance/service-accounts/" + serviceAccount + "/scopes")
}
// Subscribe subscribes to a value from the metadata service.
// The suffix is appended to "http://${GCE_METADATA_HOST}/computeMetadata/v1/".
// The suffix may contain query parameters.
//
// Subscribe calls fn with the latest metadata value indicated by the provided
// suffix. If the metadata value is deleted, fn is called with the empty string
// and ok false. Subscribe blocks until fn returns a non-nil error or the value
// is deleted. Subscribe returns the error value returned from the last call to
// fn, which may be nil when ok == false.
func (c *Client) Subscribe(suffix string, fn func(v string, ok bool) error) error {
const failedSubscribeSleep = time.Second * 5
// First check to see if the metadata value exists at all.
val, lastETag, err := c.getETag(suffix)
if err != nil {
return err
}
if err := fn(val, true); err != nil {
return err
}
ok := true
if strings.ContainsRune(suffix, '?') {
suffix += "&wait_for_change=true&last_etag="
} else {
suffix += "?wait_for_change=true&last_etag="
}
for {
val, etag, err := c.getETag(suffix + url.QueryEscape(lastETag))
if err != nil {
if _, deleted := err.(NotDefinedError); !deleted {
time.Sleep(failedSubscribeSleep)
continue // Retry on other errors.
}
ok = false
}
lastETag = etag
if err := fn(val, ok); err != nil || !ok {
return err
}
}
}
// Error contains an error response from the server.
type Error struct {
// Code is the HTTP response status code.
Code int
// Message is the server response message.
Message string
}
func (e *Error) Error() string {
return fmt.Sprintf("compute: Received %d `%s`", e.Code, e.Message)
}

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// Copyright 2014 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/*
Package cloud is the root of the packages used to access Google Cloud
Services. See https://godoc.org/cloud.google.com/go for a full list
of sub-packages.
Client Options
All clients in sub-packages are configurable via client options. These options are
described here: https://godoc.org/google.golang.org/api/option.
Authentication and Authorization
All the clients in sub-packages support authentication via Google Application Default
Credentials (see https://cloud.google.com/docs/authentication/production), or
by providing a JSON key file for a Service Account. See the authentication examples
in this package for details.
Timeouts and Cancellation
By default, non-streaming methods, like Create or Get, will have a default deadline applied to the
context provided at call time, unless a context deadline is already set. Streaming
methods have no default deadline and will run indefinitely. To set timeouts or
arrange for cancellation, use contexts. See the examples for details. Transient
errors will be retried when correctness allows.
To opt out of default deadlines, set the temporary environment variable
GOOGLE_API_GO_EXPERIMENTAL_DISABLE_DEFAULT_DEADLINE to "true" prior to client
creation. This affects all Google Cloud Go client libraries. This opt-out
mechanism will be removed in a future release. File an issue at
https://github.com/googleapis/google-cloud-go if the default deadlines
cannot work for you.
Do not attempt to control the initial connection (dialing) of a service by setting a
timeout on the context passed to NewClient. Dialing is non-blocking, so timeouts
would be ineffective and would only interfere with credential refreshing, which uses
the same context.
Connection Pooling
Connection pooling differs in clients based on their transport. Cloud
clients either rely on HTTP or gRPC transports to communicate
with Google Cloud.
Cloud clients that use HTTP (bigquery, compute, storage, and translate) rely on the
underlying HTTP transport to cache connections for later re-use. These are cached to
the default http.MaxIdleConns and http.MaxIdleConnsPerHost settings in
http.DefaultTransport.
For gRPC clients (all others in this repo), connection pooling is configurable. Users
of cloud client libraries may specify option.WithGRPCConnectionPool(n) as a client
option to NewClient calls. This configures the underlying gRPC connections to be
pooled and addressed in a round robin fashion.
Using the Libraries with Docker
Minimal docker images like Alpine lack CA certificates. This causes RPCs to appear to
hang, because gRPC retries indefinitely. See https://github.com/googleapis/google-cloud-go/issues/928
for more information.
Debugging
To see gRPC logs, set the environment variable GRPC_GO_LOG_SEVERITY_LEVEL. See
https://godoc.org/google.golang.org/grpc/grpclog for more information.
For HTTP logging, set the GODEBUG environment variable to "http2debug=1" or "http2debug=2".
Client Stability
Clients in this repository are considered alpha or beta unless otherwise
marked as stable in the README.md. Semver is not used to communicate stability
of clients.
Alpha and beta clients may change or go away without notice.
Clients marked stable will maintain compatibility with future versions for as
long as we can reasonably sustain. Incompatible changes might be made in some
situations, including:
- Security bugs may prompt backwards-incompatible changes.
- Situations in which components are no longer feasible to maintain without
making breaking changes, including removal.
- Parts of the client surface may be outright unstable and subject to change.
These parts of the surface will be labeled with the note, "It is EXPERIMENTAL
and subject to change or removal without notice."
*/
package cloud // import "cloud.google.com/go"

24
vendor/cloud.google.com/go/go.mod generated vendored Normal file
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@ -0,0 +1,24 @@
module cloud.google.com/go
go 1.11
require (
cloud.google.com/go/storage v1.10.0
github.com/golang/mock v1.4.4
github.com/golang/protobuf v1.4.3
github.com/google/go-cmp v0.5.4
github.com/google/martian/v3 v3.1.0
github.com/google/pprof v0.0.0-20201218002935-b9804c9f04c2
github.com/googleapis/gax-go/v2 v2.0.5
github.com/jstemmer/go-junit-report v0.9.1
go.opencensus.io v0.22.5
golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5
golang.org/x/mod v0.4.0 // indirect
golang.org/x/net v0.0.0-20201224014010-6772e930b67b
golang.org/x/oauth2 v0.0.0-20201208152858-08078c50e5b5
golang.org/x/text v0.3.4
golang.org/x/tools v0.0.0-20210108195828-e2f9c7f1fc8e
google.golang.org/api v0.36.0
google.golang.org/genproto v0.0.0-20210108203827-ffc7fda8c3d7
google.golang.org/grpc v1.34.0
)

574
vendor/cloud.google.com/go/go.sum generated vendored Normal file
View file

@ -0,0 +1,574 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
cloud.google.com/go/bigquery v1.0.1 h1:hL+ycaJpVE9M7nLoiXb/Pn10ENE2u+oddxbD8uu0ZVU=
cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
cloud.google.com/go/bigquery v1.3.0 h1:sAbMqjY1PEQKZBWfbu6Y6bsupJ9c4QdHnzg/VvYTLcE=
cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
cloud.google.com/go/bigquery v1.4.0 h1:xE3CPsOgttP4ACBePh79zTKALtXwn/Edhcr16R5hMWU=
cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
cloud.google.com/go/bigquery v1.7.0 h1:a/O/bK/vWrYGOTFtH8di4rBxMZnmkjy+Y5LxpDwo+dA=
cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
cloud.google.com/go/bigquery v1.8.0 h1:PQcPefKFdaIzjQFbiyOgAqyx8q5djaE7x9Sqe712DPA=
cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
cloud.google.com/go/datastore v1.0.0 h1:Kt+gOPPp2LEPWp8CSfxhsM8ik9CcyE/gYu+0r+RnZvM=
cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
cloud.google.com/go/datastore v1.1.0 h1:/May9ojXjRkPBNVrq+oWLqmWCkr4OU5uRY29bu0mRyQ=
cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
cloud.google.com/go/pubsub v1.0.1 h1:W9tAK3E57P75u0XLLR82LZyw8VpAnhmyTOxW9qzmyj8=
cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
cloud.google.com/go/pubsub v1.1.0 h1:9/vpR43S4aJaROxqQHQ3nH9lfyKKV0dC3vOmnw8ebQQ=
cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
cloud.google.com/go/pubsub v1.2.0 h1:Lpy6hKgdcl7a3WGSfJIFmxmcdjSpP6OmBEfcOv1Y680=
cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
cloud.google.com/go/pubsub v1.3.1 h1:ukjixP1wl0LpnZ6LWtZJ0mX5tBmjp1f8Sqer8Z2OMUU=
cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
cloud.google.com/go/storage v1.0.0 h1:VV2nUM3wwLLGh9lSABFgZMjInyUbJeaRSE64WuAIQ+4=
cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
cloud.google.com/go/storage v1.5.0 h1:RPUcBvDeYgQFMfQu1eBMq6piD1SXmLH+vK3qjewZPus=
cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
cloud.google.com/go/storage v1.6.0 h1:UDpwYIwla4jHGzZJaEJYx1tOejbgSoNqsAfHAUYe2r8=
cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
cloud.google.com/go/storage v1.8.0 h1:86K1Gel7BQ9/WmNWn7dTKMvTLFzwtBe5FNqYbi9X35g=
cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
cloud.google.com/go/storage v1.10.0 h1:STgFzyU5/8miMl0//zKh2aQeTyeaUH3WN9bSUiJ09bA=
cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e h1:fY5BOSpyZCqRo5OhCuC+XN+r/bBCmeuuJtjz+bCNIf8=
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
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github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5ynNVH9qI8YYLbd1fK2po=
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
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github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e h1:1r7pUrabqp18hOBcwBwiTsbnFeTZHV9eER/QT5JVZxY=
github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/mock v1.2.0 h1:28o5sBqPkBsMGnC6b4MvE2TzSr5/AT4c/1fLqVGIwlk=
github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/mock v1.3.1 h1:qGJ6qTW+x6xX/my+8YUVl4WNpX9B7+/l2tRsHGZ7f2s=
github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y=
github.com/golang/mock v1.4.0 h1:Rd1kQnQu0Hq3qvJppYSG0HtP+f5LPPUiDswTLiEegLg=
github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
github.com/golang/mock v1.4.3 h1:GV+pQPG/EUUbkh47niozDcADz6go/dUwhVzdUQHIVRw=
github.com/golang/mock v1.4.3/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
github.com/golang/mock v1.4.4 h1:l75CXGRSwbaYNpl/Z2X1XIIAMSCquvXgpVZDhwEIJsc=
github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.1 h1:YF8+flBXS5eO826T4nzqPrxfhQThhXl0YzfuUPu4SBg=
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.3 h1:gyjaxf+svBWX08ZjK86iN9geUJF0H6gp2IRKX6Nf6/I=
github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
github.com/golang/protobuf v1.3.4/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk=
github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
github.com/golang/protobuf v1.4.0 h1:oOuy+ugB+P/kBdUnG5QaMXSIyJ1q38wWSojYCb3z5VQ=
github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
github.com/golang/protobuf v1.4.1 h1:ZFgWrT+bLgsYPirOnRfKLYJLvssAegOj/hgyMFdJZe0=
github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0=
github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
github.com/golang/protobuf v1.4.3 h1:JjCZWpVbqXDqFVmTfYWEVTMIYrL/NPdPSCHPJ0T/raM=
github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c h1:964Od4U6p2jUkFxvCydnIczKteheJEzHRToSGK3Bnlw=
github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/btree v1.0.0 h1:0udJVsspx3VBr5FwtLhQQtuAsVc79tTq0ocGIPAU6qo=
github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/go-cmp v0.2.0 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
github.com/google/go-cmp v0.3.0 h1:crn/baboCvb5fXaQ0IJ1SGTsTVrWpDsCWC8EGETZijY=
github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
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github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
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github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
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github.com/hashicorp/golang-lru v0.5.1 h1:0hERBMJE1eitiLkihrMvRVBYAkpHzc/J3QdDN+dAcgU=
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github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
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github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
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github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6 h1:QE6XYQK6naiK1EPAe1g/ILLxN5RBoH5xkJk3CqlMI/Y=
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golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
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golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac h1:8R1esu+8QioDxo4E4mX6bFztO+dMTM49DNAaWfO5OeY=
golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
golang.org/x/lint v0.0.0-20200130185559-910be7a94367 h1:0IiAsCRByjO2QjX7ZPkw5oU9x+n1YqRL802rjC0c3Aw=
golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/lint v0.0.0-20200302205851-738671d3881b h1:Wh+f8QHJXR411sJR8/vRBTZ7YapZaRvUcLFFJhusH0k=
golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5 h1:2M3HP5CCK1Si9FQhwnzYhXdG6DXeebvUHFpre8QvbyI=
golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee h1:WG0RUwxtNT4qqaXX3DPA8zHFNm/D9xaBpxzHt1WcA/E=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.2.0 h1:KU7oHjnv3XNWfa5COkzUifxZmxp1TyI7ImMXqFxLwvQ=
golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.4.0 h1:8pl+sMODzuvGJkmj2W4kZihvVb5mKm8pB/X44PIQHv8=
golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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387
vendor/cloud.google.com/go/iam/iam.go generated vendored Normal file
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@ -0,0 +1,387 @@
// Copyright 2016 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package iam supports the resource-specific operations of Google Cloud
// IAM (Identity and Access Management) for the Google Cloud Libraries.
// See https://cloud.google.com/iam for more about IAM.
//
// Users of the Google Cloud Libraries will typically not use this package
// directly. Instead they will begin with some resource that supports IAM, like
// a pubsub topic, and call its IAM method to get a Handle for that resource.
package iam
import (
"context"
"fmt"
"time"
gax "github.com/googleapis/gax-go/v2"
pb "google.golang.org/genproto/googleapis/iam/v1"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/metadata"
)
// client abstracts the IAMPolicy API to allow multiple implementations.
type client interface {
Get(ctx context.Context, resource string) (*pb.Policy, error)
Set(ctx context.Context, resource string, p *pb.Policy) error
Test(ctx context.Context, resource string, perms []string) ([]string, error)
GetWithVersion(ctx context.Context, resource string, requestedPolicyVersion int32) (*pb.Policy, error)
}
// grpcClient implements client for the standard gRPC-based IAMPolicy service.
type grpcClient struct {
c pb.IAMPolicyClient
}
var withRetry = gax.WithRetry(func() gax.Retryer {
return gax.OnCodes([]codes.Code{
codes.DeadlineExceeded,
codes.Unavailable,
}, gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 60 * time.Second,
Multiplier: 1.3,
})
})
func (g *grpcClient) Get(ctx context.Context, resource string) (*pb.Policy, error) {
return g.GetWithVersion(ctx, resource, 1)
}
func (g *grpcClient) GetWithVersion(ctx context.Context, resource string, requestedPolicyVersion int32) (*pb.Policy, error) {
var proto *pb.Policy
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "resource", resource))
ctx = insertMetadata(ctx, md)
err := gax.Invoke(ctx, func(ctx context.Context, _ gax.CallSettings) error {
var err error
proto, err = g.c.GetIamPolicy(ctx, &pb.GetIamPolicyRequest{
Resource: resource,
Options: &pb.GetPolicyOptions{
RequestedPolicyVersion: requestedPolicyVersion,
},
})
return err
}, withRetry)
if err != nil {
return nil, err
}
return proto, nil
}
func (g *grpcClient) Set(ctx context.Context, resource string, p *pb.Policy) error {
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "resource", resource))
ctx = insertMetadata(ctx, md)
return gax.Invoke(ctx, func(ctx context.Context, _ gax.CallSettings) error {
_, err := g.c.SetIamPolicy(ctx, &pb.SetIamPolicyRequest{
Resource: resource,
Policy: p,
})
return err
}, withRetry)
}
func (g *grpcClient) Test(ctx context.Context, resource string, perms []string) ([]string, error) {
var res *pb.TestIamPermissionsResponse
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "resource", resource))
ctx = insertMetadata(ctx, md)
err := gax.Invoke(ctx, func(ctx context.Context, _ gax.CallSettings) error {
var err error
res, err = g.c.TestIamPermissions(ctx, &pb.TestIamPermissionsRequest{
Resource: resource,
Permissions: perms,
})
return err
}, withRetry)
if err != nil {
return nil, err
}
return res.Permissions, nil
}
// A Handle provides IAM operations for a resource.
type Handle struct {
c client
resource string
}
// A Handle3 provides IAM operations for a resource. It is similar to a Handle, but provides access to newer IAM features (e.g., conditions).
type Handle3 struct {
c client
resource string
version int32
}
// InternalNewHandle is for use by the Google Cloud Libraries only.
//
// InternalNewHandle returns a Handle for resource.
// The conn parameter refers to a server that must support the IAMPolicy service.
func InternalNewHandle(conn grpc.ClientConnInterface, resource string) *Handle {
return InternalNewHandleGRPCClient(pb.NewIAMPolicyClient(conn), resource)
}
// InternalNewHandleGRPCClient is for use by the Google Cloud Libraries only.
//
// InternalNewHandleClient returns a Handle for resource using the given
// grpc service that implements IAM as a mixin
func InternalNewHandleGRPCClient(c pb.IAMPolicyClient, resource string) *Handle {
return InternalNewHandleClient(&grpcClient{c: c}, resource)
}
// InternalNewHandleClient is for use by the Google Cloud Libraries only.
//
// InternalNewHandleClient returns a Handle for resource using the given
// client implementation.
func InternalNewHandleClient(c client, resource string) *Handle {
return &Handle{
c: c,
resource: resource,
}
}
// V3 returns a Handle3, which is like Handle except it sets
// requestedPolicyVersion to 3 when retrieving a policy and policy.version to 3
// when storing a policy.
func (h *Handle) V3() *Handle3 {
return &Handle3{
c: h.c,
resource: h.resource,
version: 3,
}
}
// Policy retrieves the IAM policy for the resource.
func (h *Handle) Policy(ctx context.Context) (*Policy, error) {
proto, err := h.c.Get(ctx, h.resource)
if err != nil {
return nil, err
}
return &Policy{InternalProto: proto}, nil
}
// SetPolicy replaces the resource's current policy with the supplied Policy.
//
// If policy was created from a prior call to Get, then the modification will
// only succeed if the policy has not changed since the Get.
func (h *Handle) SetPolicy(ctx context.Context, policy *Policy) error {
return h.c.Set(ctx, h.resource, policy.InternalProto)
}
// TestPermissions returns the subset of permissions that the caller has on the resource.
func (h *Handle) TestPermissions(ctx context.Context, permissions []string) ([]string, error) {
return h.c.Test(ctx, h.resource, permissions)
}
// A RoleName is a name representing a collection of permissions.
type RoleName string
// Common role names.
const (
Owner RoleName = "roles/owner"
Editor RoleName = "roles/editor"
Viewer RoleName = "roles/viewer"
)
const (
// AllUsers is a special member that denotes all users, even unauthenticated ones.
AllUsers = "allUsers"
// AllAuthenticatedUsers is a special member that denotes all authenticated users.
AllAuthenticatedUsers = "allAuthenticatedUsers"
)
// A Policy is a list of Bindings representing roles
// granted to members.
//
// The zero Policy is a valid policy with no bindings.
type Policy struct {
// TODO(jba): when type aliases are available, put Policy into an internal package
// and provide an exported alias here.
// This field is exported for use by the Google Cloud Libraries only.
// It may become unexported in a future release.
InternalProto *pb.Policy
}
// Members returns the list of members with the supplied role.
// The return value should not be modified. Use Add and Remove
// to modify the members of a role.
func (p *Policy) Members(r RoleName) []string {
b := p.binding(r)
if b == nil {
return nil
}
return b.Members
}
// HasRole reports whether member has role r.
func (p *Policy) HasRole(member string, r RoleName) bool {
return memberIndex(member, p.binding(r)) >= 0
}
// Add adds member member to role r if it is not already present.
// A new binding is created if there is no binding for the role.
func (p *Policy) Add(member string, r RoleName) {
b := p.binding(r)
if b == nil {
if p.InternalProto == nil {
p.InternalProto = &pb.Policy{}
}
p.InternalProto.Bindings = append(p.InternalProto.Bindings, &pb.Binding{
Role: string(r),
Members: []string{member},
})
return
}
if memberIndex(member, b) < 0 {
b.Members = append(b.Members, member)
return
}
}
// Remove removes member from role r if it is present.
func (p *Policy) Remove(member string, r RoleName) {
bi := p.bindingIndex(r)
if bi < 0 {
return
}
bindings := p.InternalProto.Bindings
b := bindings[bi]
mi := memberIndex(member, b)
if mi < 0 {
return
}
// Order doesn't matter for bindings or members, so to remove, move the last item
// into the removed spot and shrink the slice.
if len(b.Members) == 1 {
// Remove binding.
last := len(bindings) - 1
bindings[bi] = bindings[last]
bindings[last] = nil
p.InternalProto.Bindings = bindings[:last]
return
}
// Remove member.
// TODO(jba): worry about multiple copies of m?
last := len(b.Members) - 1
b.Members[mi] = b.Members[last]
b.Members[last] = ""
b.Members = b.Members[:last]
}
// Roles returns the names of all the roles that appear in the Policy.
func (p *Policy) Roles() []RoleName {
if p.InternalProto == nil {
return nil
}
var rns []RoleName
for _, b := range p.InternalProto.Bindings {
rns = append(rns, RoleName(b.Role))
}
return rns
}
// binding returns the Binding for the suppied role, or nil if there isn't one.
func (p *Policy) binding(r RoleName) *pb.Binding {
i := p.bindingIndex(r)
if i < 0 {
return nil
}
return p.InternalProto.Bindings[i]
}
func (p *Policy) bindingIndex(r RoleName) int {
if p.InternalProto == nil {
return -1
}
for i, b := range p.InternalProto.Bindings {
if b.Role == string(r) {
return i
}
}
return -1
}
// memberIndex returns the index of m in b's Members, or -1 if not found.
func memberIndex(m string, b *pb.Binding) int {
if b == nil {
return -1
}
for i, mm := range b.Members {
if mm == m {
return i
}
}
return -1
}
// insertMetadata inserts metadata into the given context
func insertMetadata(ctx context.Context, mds ...metadata.MD) context.Context {
out, _ := metadata.FromOutgoingContext(ctx)
out = out.Copy()
for _, md := range mds {
for k, v := range md {
out[k] = append(out[k], v...)
}
}
return metadata.NewOutgoingContext(ctx, out)
}
// A Policy3 is a list of Bindings representing roles granted to members.
//
// The zero Policy3 is a valid policy with no bindings.
//
// It is similar to a Policy, except a Policy3 provides direct access to the
// list of Bindings.
//
// The policy version is always set to 3.
type Policy3 struct {
etag []byte
Bindings []*pb.Binding
}
// Policy retrieves the IAM policy for the resource.
//
// requestedPolicyVersion is always set to 3.
func (h *Handle3) Policy(ctx context.Context) (*Policy3, error) {
proto, err := h.c.GetWithVersion(ctx, h.resource, h.version)
if err != nil {
return nil, err
}
return &Policy3{
Bindings: proto.Bindings,
etag: proto.Etag,
}, nil
}
// SetPolicy replaces the resource's current policy with the supplied Policy.
//
// If policy was created from a prior call to Get, then the modification will
// only succeed if the policy has not changed since the Get.
func (h *Handle3) SetPolicy(ctx context.Context, policy *Policy3) error {
return h.c.Set(ctx, h.resource, &pb.Policy{
Bindings: policy.Bindings,
Etag: policy.etag,
Version: h.version,
})
}
// TestPermissions returns the subset of permissions that the caller has on the resource.
func (h *Handle3) TestPermissions(ctx context.Context, permissions []string) ([]string, error) {
return h.c.Test(ctx, h.resource, permissions)
}

954
vendor/cloud.google.com/go/internal/.repo-metadata-full.json generated vendored Normal file
View file

@ -0,0 +1,954 @@
{
"cloud.google.com/go/accessapproval/apiv1": {
"distribution_name": "cloud.google.com/go/accessapproval/apiv1",
"description": "",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/accessapproval/apiv1",
"release_level": "beta"
},
"cloud.google.com/go/analytics/admin/apiv1alpha": {
"distribution_name": "cloud.google.com/go/analytics/admin/apiv1alpha",
"description": "",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/analytics/admin/apiv1alpha",
"release_level": "alpha"
},
"cloud.google.com/go/analytics/data/apiv1alpha": {
"distribution_name": "cloud.google.com/go/analytics/data/apiv1alpha",
"description": "",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/analytics/data/apiv1alpha",
"release_level": "alpha"
},
"cloud.google.com/go/area120/tables/apiv1alpha1": {
"distribution_name": "cloud.google.com/go/area120/tables/apiv1alpha1",
"description": "",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/area120/tables/apiv1alpha1",
"release_level": "alpha"
},
"cloud.google.com/go/artifactregistry/apiv1beta2": {
"distribution_name": "cloud.google.com/go/artifactregistry/apiv1beta2",
"description": "Artifact Registry API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/artifactregistry/apiv1beta2",
"release_level": "beta"
},
"cloud.google.com/go/asset/apiv1": {
"distribution_name": "cloud.google.com/go/asset/apiv1",
"description": "Cloud Asset API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/asset/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/asset/apiv1p2beta1": {
"distribution_name": "cloud.google.com/go/asset/apiv1p2beta1",
"description": "Cloud Asset API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/asset/apiv1p2beta1",
"release_level": "beta"
},
"cloud.google.com/go/asset/apiv1p5beta1": {
"distribution_name": "cloud.google.com/go/asset/apiv1p5beta1",
"description": "Cloud Asset API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/asset/apiv1p5beta1",
"release_level": "beta"
},
"cloud.google.com/go/assuredworkloads/apiv1beta1": {
"distribution_name": "cloud.google.com/go/assuredworkloads/apiv1beta1",
"description": "",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/assuredworkloads/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/automl/apiv1": {
"distribution_name": "cloud.google.com/go/automl/apiv1",
"description": "Cloud AutoML API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/automl/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/automl/apiv1beta1": {
"distribution_name": "cloud.google.com/go/automl/apiv1beta1",
"description": "Cloud AutoML API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/automl/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/bigquery": {
"distribution_name": "cloud.google.com/go/bigquery",
"description": "BigQuery",
"language": "Go",
"client_library_type": "manual",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/bigquery",
"release_level": "ga"
},
"cloud.google.com/go/bigquery/connection/apiv1": {
"distribution_name": "cloud.google.com/go/bigquery/connection/apiv1",
"description": "BigQuery Connection API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/bigquery/connection/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/bigquery/connection/apiv1beta1": {
"distribution_name": "cloud.google.com/go/bigquery/connection/apiv1beta1",
"description": "BigQuery Connection API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/bigquery/connection/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/bigquery/datatransfer/apiv1": {
"distribution_name": "cloud.google.com/go/bigquery/datatransfer/apiv1",
"description": "BigQuery Data Transfer API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/bigquery/datatransfer/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/bigquery/reservation/apiv1": {
"distribution_name": "cloud.google.com/go/bigquery/reservation/apiv1",
"description": "BigQuery Reservation API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/bigquery/reservation/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/bigquery/reservation/apiv1beta1": {
"distribution_name": "cloud.google.com/go/bigquery/reservation/apiv1beta1",
"description": "BigQuery Reservation API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/bigquery/reservation/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/bigquery/storage/apiv1": {
"distribution_name": "cloud.google.com/go/bigquery/storage/apiv1",
"description": "BigQuery Storage API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/bigquery/storage/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/bigquery/storage/apiv1alpha2": {
"distribution_name": "cloud.google.com/go/bigquery/storage/apiv1alpha2",
"description": "BigQuery Storage API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/bigquery/storage/apiv1alpha2",
"release_level": "alpha"
},
"cloud.google.com/go/bigquery/storage/apiv1beta1": {
"distribution_name": "cloud.google.com/go/bigquery/storage/apiv1beta1",
"description": "BigQuery Storage API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/bigquery/storage/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/bigquery/storage/apiv1beta2": {
"distribution_name": "cloud.google.com/go/bigquery/storage/apiv1beta2",
"description": "BigQuery Storage API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/bigquery/storage/apiv1beta2",
"release_level": "beta"
},
"cloud.google.com/go/bigtable": {
"distribution_name": "cloud.google.com/go/bigtable",
"description": "Cloud BigTable",
"language": "Go",
"client_library_type": "manual",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/bigtable",
"release_level": "ga"
},
"cloud.google.com/go/billing/apiv1": {
"distribution_name": "cloud.google.com/go/billing/apiv1",
"description": "Cloud Billing API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/billing/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/billing/budgets/apiv1": {
"distribution_name": "cloud.google.com/go/billing/budgets/apiv1",
"description": "Cloud Billing Budget API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/billing/budgets/apiv1",
"release_level": "beta"
},
"cloud.google.com/go/billing/budgets/apiv1beta1": {
"distribution_name": "cloud.google.com/go/billing/budgets/apiv1beta1",
"description": "",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/billing/budgets/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/channel/apiv1": {
"distribution_name": "cloud.google.com/go/channel/apiv1",
"description": "Cloud Channel API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/channel/apiv1",
"release_level": "beta"
},
"cloud.google.com/go/cloudbuild/apiv1/v2": {
"distribution_name": "cloud.google.com/go/cloudbuild/apiv1/v2",
"description": "Cloud Build API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/cloudbuild/apiv1/v2",
"release_level": "ga"
},
"cloud.google.com/go/cloudtasks/apiv2": {
"distribution_name": "cloud.google.com/go/cloudtasks/apiv2",
"description": "Cloud Tasks API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/cloudtasks/apiv2",
"release_level": "ga"
},
"cloud.google.com/go/cloudtasks/apiv2beta2": {
"distribution_name": "cloud.google.com/go/cloudtasks/apiv2beta2",
"description": "Cloud Tasks API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/cloudtasks/apiv2beta2",
"release_level": "beta"
},
"cloud.google.com/go/cloudtasks/apiv2beta3": {
"distribution_name": "cloud.google.com/go/cloudtasks/apiv2beta3",
"description": "Cloud Tasks API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/cloudtasks/apiv2beta3",
"release_level": "beta"
},
"cloud.google.com/go/container/apiv1": {
"distribution_name": "cloud.google.com/go/container/apiv1",
"description": "Kubernetes Engine API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/container/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/containeranalysis/apiv1beta1": {
"distribution_name": "cloud.google.com/go/containeranalysis/apiv1beta1",
"description": "Container Analysis API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/containeranalysis/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/datacatalog/apiv1": {
"distribution_name": "cloud.google.com/go/datacatalog/apiv1",
"description": "Google Cloud Data Catalog API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/datacatalog/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/datacatalog/apiv1beta1": {
"distribution_name": "cloud.google.com/go/datacatalog/apiv1beta1",
"description": "Google Cloud Data Catalog API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/datacatalog/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/dataproc/apiv1": {
"distribution_name": "cloud.google.com/go/dataproc/apiv1",
"description": "Cloud Dataproc API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/dataproc/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/dataproc/apiv1beta2": {
"distribution_name": "cloud.google.com/go/dataproc/apiv1beta2",
"description": "Cloud Dataproc API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/dataproc/apiv1beta2",
"release_level": "beta"
},
"cloud.google.com/go/datastore": {
"distribution_name": "cloud.google.com/go/datastore",
"description": "Cloud Datastore",
"language": "Go",
"client_library_type": "manual",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/datastore",
"release_level": "ga"
},
"cloud.google.com/go/datastore/admin/apiv1": {
"distribution_name": "cloud.google.com/go/datastore/admin/apiv1",
"description": "Cloud Datastore API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/datastore/admin/apiv1",
"release_level": "alpha"
},
"cloud.google.com/go/debugger/apiv2": {
"distribution_name": "cloud.google.com/go/debugger/apiv2",
"description": "Stackdriver Debugger API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/debugger/apiv2",
"release_level": "ga"
},
"cloud.google.com/go/dialogflow/apiv2": {
"distribution_name": "cloud.google.com/go/dialogflow/apiv2",
"description": "Dialogflow API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/dialogflow/apiv2",
"release_level": "ga"
},
"cloud.google.com/go/dialogflow/cx/apiv3beta1": {
"distribution_name": "cloud.google.com/go/dialogflow/cx/apiv3beta1",
"description": "Dialogflow API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/dialogflow/cx/apiv3beta1",
"release_level": "beta"
},
"cloud.google.com/go/dlp/apiv2": {
"distribution_name": "cloud.google.com/go/dlp/apiv2",
"description": "Cloud Data Loss Prevention (DLP) API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/dlp/apiv2",
"release_level": "ga"
},
"cloud.google.com/go/errorreporting": {
"distribution_name": "cloud.google.com/go/errorreporting",
"description": "Cloud Error Reporting API",
"language": "Go",
"client_library_type": "manual",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/errorreporting",
"release_level": "beta"
},
"cloud.google.com/go/errorreporting/apiv1beta1": {
"distribution_name": "cloud.google.com/go/errorreporting/apiv1beta1",
"description": "Cloud Error Reporting API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/errorreporting/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/firestore": {
"distribution_name": "cloud.google.com/go/firestore",
"description": "Cloud Firestore API",
"language": "Go",
"client_library_type": "manual",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/firestore",
"release_level": "ga"
},
"cloud.google.com/go/firestore/apiv1": {
"distribution_name": "cloud.google.com/go/firestore/apiv1",
"description": "Cloud Firestore API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/firestore/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/firestore/apiv1/admin": {
"distribution_name": "cloud.google.com/go/firestore/apiv1/admin",
"description": "Google Cloud Firestore Admin API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/firestore/apiv1/admin",
"release_level": "ga"
},
"cloud.google.com/go/functions/apiv1": {
"distribution_name": "cloud.google.com/go/functions/apiv1",
"description": "",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/functions/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/gaming/apiv1": {
"distribution_name": "cloud.google.com/go/gaming/apiv1",
"description": "",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/gaming/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/gaming/apiv1beta": {
"distribution_name": "cloud.google.com/go/gaming/apiv1beta",
"description": "",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/gaming/apiv1beta",
"release_level": "beta"
},
"cloud.google.com/go/iam": {
"distribution_name": "cloud.google.com/go/iam",
"description": "Cloud IAM",
"language": "Go",
"client_library_type": "manual",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/iam",
"release_level": "ga"
},
"cloud.google.com/go/iam/credentials/apiv1": {
"distribution_name": "cloud.google.com/go/iam/credentials/apiv1",
"description": "IAM Service Account Credentials API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/iam/credentials/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/iot/apiv1": {
"distribution_name": "cloud.google.com/go/iot/apiv1",
"description": "Cloud IoT API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/iot/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/kms/apiv1": {
"distribution_name": "cloud.google.com/go/kms/apiv1",
"description": "Cloud Key Management Service (KMS) API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/kms/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/language/apiv1": {
"distribution_name": "cloud.google.com/go/language/apiv1",
"description": "Cloud Natural Language API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/language/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/language/apiv1beta2": {
"distribution_name": "cloud.google.com/go/language/apiv1beta2",
"description": "Cloud Natural Language API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/language/apiv1beta2",
"release_level": "beta"
},
"cloud.google.com/go/logging": {
"distribution_name": "cloud.google.com/go/logging",
"description": "Cloud Logging API",
"language": "Go",
"client_library_type": "manual",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/logging",
"release_level": "ga"
},
"cloud.google.com/go/logging/apiv2": {
"distribution_name": "cloud.google.com/go/logging/apiv2",
"description": "Cloud Logging API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/logging/apiv2",
"release_level": "ga"
},
"cloud.google.com/go/longrunning/autogen": {
"distribution_name": "cloud.google.com/go/longrunning/autogen",
"description": "Long Running Operations API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/longrunning/autogen",
"release_level": "alpha"
},
"cloud.google.com/go/managedidentities/apiv1": {
"distribution_name": "cloud.google.com/go/managedidentities/apiv1",
"description": "Managed Service for Microsoft Active Directory API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/managedidentities/apiv1",
"release_level": "beta"
},
"cloud.google.com/go/memcache/apiv1beta2": {
"distribution_name": "cloud.google.com/go/memcache/apiv1beta2",
"description": "Cloud Memorystore for Memcached API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/memcache/apiv1beta2",
"release_level": "beta"
},
"cloud.google.com/go/monitoring/apiv3/v2": {
"distribution_name": "cloud.google.com/go/monitoring/apiv3/v2",
"description": "Cloud Monitoring API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/monitoring/apiv3/v2",
"release_level": "ga"
},
"cloud.google.com/go/monitoring/dashboard/apiv1": {
"distribution_name": "cloud.google.com/go/monitoring/dashboard/apiv1",
"description": "",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/monitoring/dashboard/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/notebooks/apiv1beta1": {
"distribution_name": "cloud.google.com/go/notebooks/apiv1beta1",
"description": "Notebooks API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/notebooks/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/osconfig/agentendpoint/apiv1": {
"distribution_name": "cloud.google.com/go/osconfig/agentendpoint/apiv1",
"description": "OS Config API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/osconfig/agentendpoint/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/osconfig/agentendpoint/apiv1beta": {
"distribution_name": "cloud.google.com/go/osconfig/agentendpoint/apiv1beta",
"description": "Cloud OS Config API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/osconfig/agentendpoint/apiv1beta",
"release_level": "beta"
},
"cloud.google.com/go/osconfig/apiv1": {
"distribution_name": "cloud.google.com/go/osconfig/apiv1",
"description": "OS Config API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/osconfig/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/osconfig/apiv1beta": {
"distribution_name": "cloud.google.com/go/osconfig/apiv1beta",
"description": "Cloud OS Config API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/osconfig/apiv1beta",
"release_level": "beta"
},
"cloud.google.com/go/oslogin/apiv1": {
"distribution_name": "cloud.google.com/go/oslogin/apiv1",
"description": "Cloud OS Login API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/oslogin/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/oslogin/apiv1beta": {
"distribution_name": "cloud.google.com/go/oslogin/apiv1beta",
"description": "Cloud OS Login API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/oslogin/apiv1beta",
"release_level": "beta"
},
"cloud.google.com/go/phishingprotection/apiv1beta1": {
"distribution_name": "cloud.google.com/go/phishingprotection/apiv1beta1",
"description": "Phishing Protection API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/phishingprotection/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/policytroubleshooter/apiv1": {
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"description": "Policy Troubleshooter API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/policytroubleshooter/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/profiler": {
"distribution_name": "cloud.google.com/go/profiler",
"description": "Cloud Profiler",
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"cloud.google.com/go/pubsub": {
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"language": "Go",
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"docs_url": "https://pkg.go.dev/cloud.google.com/go/pubsub",
"release_level": "ga"
},
"cloud.google.com/go/pubsub/apiv1": {
"distribution_name": "cloud.google.com/go/pubsub/apiv1",
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"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/pubsub/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/pubsublite/apiv1": {
"distribution_name": "cloud.google.com/go/pubsublite/apiv1",
"description": "",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/pubsublite/apiv1",
"release_level": "beta"
},
"cloud.google.com/go/recaptchaenterprise/apiv1": {
"distribution_name": "cloud.google.com/go/recaptchaenterprise/apiv1",
"description": "reCAPTCHA Enterprise API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/recaptchaenterprise/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/recaptchaenterprise/apiv1beta1": {
"distribution_name": "cloud.google.com/go/recaptchaenterprise/apiv1beta1",
"description": "reCAPTCHA Enterprise API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/recaptchaenterprise/apiv1beta1",
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},
"cloud.google.com/go/recommender/apiv1": {
"distribution_name": "cloud.google.com/go/recommender/apiv1",
"description": "Recommender API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/recommender/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/recommender/apiv1beta1": {
"distribution_name": "cloud.google.com/go/recommender/apiv1beta1",
"description": "Recommender API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/recommender/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/redis/apiv1": {
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"language": "Go",
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},
"cloud.google.com/go/redis/apiv1beta1": {
"distribution_name": "cloud.google.com/go/redis/apiv1beta1",
"description": "Google Cloud Memorystore for Redis API",
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"docs_url": "https://pkg.go.dev/cloud.google.com/go/redis/apiv1beta1",
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},
"cloud.google.com/go/retail/apiv2": {
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"docs_url": "https://pkg.go.dev/cloud.google.com/go/retail/apiv2",
"release_level": "beta"
},
"cloud.google.com/go/rpcreplay": {
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"description": "RPC Replay",
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"docs_url": "https://pkg.go.dev/cloud.google.com/go/rpcreplay",
"release_level": "ga"
},
"cloud.google.com/go/scheduler/apiv1": {
"distribution_name": "cloud.google.com/go/scheduler/apiv1",
"description": "Cloud Scheduler API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/scheduler/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/scheduler/apiv1beta1": {
"distribution_name": "cloud.google.com/go/scheduler/apiv1beta1",
"description": "Cloud Scheduler API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/scheduler/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/secretmanager/apiv1": {
"distribution_name": "cloud.google.com/go/secretmanager/apiv1",
"description": "Secret Manager API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/secretmanager/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/secretmanager/apiv1beta1": {
"distribution_name": "cloud.google.com/go/secretmanager/apiv1beta1",
"description": "Secret Manager API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/secretmanager/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/security/privateca/apiv1beta1": {
"distribution_name": "cloud.google.com/go/security/privateca/apiv1beta1",
"description": "",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/security/privateca/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/securitycenter/apiv1": {
"distribution_name": "cloud.google.com/go/securitycenter/apiv1",
"description": "Security Command Center API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/securitycenter/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/securitycenter/apiv1beta1": {
"distribution_name": "cloud.google.com/go/securitycenter/apiv1beta1",
"description": "Security Command Center API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/securitycenter/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/securitycenter/apiv1p1beta1": {
"distribution_name": "cloud.google.com/go/securitycenter/apiv1p1beta1",
"description": "Security Command Center API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/securitycenter/apiv1p1beta1",
"release_level": "beta"
},
"cloud.google.com/go/securitycenter/settings/apiv1beta1": {
"distribution_name": "cloud.google.com/go/securitycenter/settings/apiv1beta1",
"description": "Cloud Security Command Center API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/securitycenter/settings/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/servicedirectory/apiv1": {
"distribution_name": "cloud.google.com/go/servicedirectory/apiv1",
"description": "Service Directory API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/servicedirectory/apiv1",
"release_level": "beta"
},
"cloud.google.com/go/servicedirectory/apiv1beta1": {
"distribution_name": "cloud.google.com/go/servicedirectory/apiv1beta1",
"description": "Service Directory API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/servicedirectory/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/spanner": {
"distribution_name": "cloud.google.com/go/spanner",
"description": "Cloud Spanner",
"language": "Go",
"client_library_type": "manual",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/spanner",
"release_level": "ga"
},
"cloud.google.com/go/spanner/admin/database/apiv1": {
"distribution_name": "cloud.google.com/go/spanner/admin/database/apiv1",
"description": "Cloud Spanner Database Admin API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/spanner/admin/database/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/spanner/admin/instance/apiv1": {
"distribution_name": "cloud.google.com/go/spanner/admin/instance/apiv1",
"description": "Cloud Spanner Instance Admin API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/spanner/admin/instance/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/spanner/apiv1": {
"distribution_name": "cloud.google.com/go/spanner/apiv1",
"description": "Cloud Spanner API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/spanner/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/speech/apiv1": {
"distribution_name": "cloud.google.com/go/speech/apiv1",
"description": "Cloud Speech-to-Text API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/speech/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/speech/apiv1p1beta1": {
"distribution_name": "cloud.google.com/go/speech/apiv1p1beta1",
"description": "Cloud Speech-to-Text API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/speech/apiv1p1beta1",
"release_level": "beta"
},
"cloud.google.com/go/storage": {
"distribution_name": "cloud.google.com/go/storage",
"description": "Cloud Storage (GCS)",
"language": "Go",
"client_library_type": "manual",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/storage",
"release_level": "ga"
},
"cloud.google.com/go/talent/apiv4": {
"distribution_name": "cloud.google.com/go/talent/apiv4",
"description": "",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/talent/apiv4",
"release_level": "beta"
},
"cloud.google.com/go/talent/apiv4beta1": {
"distribution_name": "cloud.google.com/go/talent/apiv4beta1",
"description": "Cloud Talent Solution API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/talent/apiv4beta1",
"release_level": "beta"
},
"cloud.google.com/go/texttospeech/apiv1": {
"distribution_name": "cloud.google.com/go/texttospeech/apiv1",
"description": "Cloud Text-to-Speech API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/texttospeech/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/trace": {
"distribution_name": "cloud.google.com/go/trace",
"description": "Stackdriver Trace",
"language": "Go",
"client_library_type": "manual",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/trace",
"release_level": "ga"
},
"cloud.google.com/go/trace/apiv1": {
"distribution_name": "cloud.google.com/go/trace/apiv1",
"description": "Stackdriver Trace API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/trace/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/trace/apiv2": {
"distribution_name": "cloud.google.com/go/trace/apiv2",
"description": "Stackdriver Trace API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/trace/apiv2",
"release_level": "ga"
},
"cloud.google.com/go/translate/apiv3": {
"distribution_name": "cloud.google.com/go/translate/apiv3",
"description": "Cloud Translation API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/translate/apiv3",
"release_level": "ga"
},
"cloud.google.com/go/video/transcoder/apiv1beta1": {
"distribution_name": "cloud.google.com/go/video/transcoder/apiv1beta1",
"description": "",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/video/transcoder/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/videointelligence/apiv1": {
"distribution_name": "cloud.google.com/go/videointelligence/apiv1",
"description": "Cloud Video Intelligence API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/videointelligence/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/videointelligence/apiv1beta2": {
"distribution_name": "cloud.google.com/go/videointelligence/apiv1beta2",
"description": "Google Cloud Video Intelligence API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/videointelligence/apiv1beta2",
"release_level": "beta"
},
"cloud.google.com/go/vision/apiv1": {
"distribution_name": "cloud.google.com/go/vision/apiv1",
"description": "Cloud Vision API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/vision/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/vision/apiv1p1beta1": {
"distribution_name": "cloud.google.com/go/vision/apiv1p1beta1",
"description": "Cloud Vision API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/vision/apiv1p1beta1",
"release_level": "beta"
},
"cloud.google.com/go/webrisk/apiv1": {
"distribution_name": "cloud.google.com/go/webrisk/apiv1",
"description": "Web Risk API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/webrisk/apiv1",
"release_level": "ga"
},
"cloud.google.com/go/webrisk/apiv1beta1": {
"distribution_name": "cloud.google.com/go/webrisk/apiv1beta1",
"description": "Web Risk API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/webrisk/apiv1beta1",
"release_level": "beta"
},
"cloud.google.com/go/websecurityscanner/apiv1": {
"distribution_name": "cloud.google.com/go/websecurityscanner/apiv1",
"description": "Web Security Scanner API",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/websecurityscanner/apiv1",
"release_level": "beta"
},
"cloud.google.com/go/workflows/apiv1beta": {
"distribution_name": "cloud.google.com/go/workflows/apiv1beta",
"description": "",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/workflows/apiv1beta",
"release_level": "beta"
},
"cloud.google.com/go/workflows/executions/apiv1beta": {
"distribution_name": "cloud.google.com/go/workflows/executions/apiv1beta",
"description": "",
"language": "Go",
"client_library_type": "generated",
"docs_url": "https://pkg.go.dev/cloud.google.com/go/workflows/executions/apiv1beta",
"release_level": "beta"
}
}

18
vendor/cloud.google.com/go/internal/README.md generated vendored Normal file
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@ -0,0 +1,18 @@
# Internal
This directory contains internal code for cloud.google.com/go packages.
## .repo-metadata-full.json
`.repo-metadata-full.json` contains metadata about the packages in this repo. It
is generated by `internal/gapicgen/generator`. It's processed by external tools
to build lists of all of the packages.
Don't make breaking changes to the format without consulting with the external
tools.
One day, we may want to create individual `.repo-metadata.json` files next to
each package, which is the pattern followed by some other languages. External
tools would then talk to pkg.go.dev or some other service to get the overall
list of packages and use the `.repo-metadata.json` files to get the additional
metadata required. For now, `.repo-metadata-full.json` includes everything.

54
vendor/cloud.google.com/go/internal/annotate.go generated vendored Normal file
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@ -0,0 +1,54 @@
// Copyright 2017 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package internal
import (
"fmt"
"google.golang.org/api/googleapi"
"google.golang.org/grpc/status"
)
// Annotate prepends msg to the error message in err, attempting
// to preserve other information in err, like an error code.
//
// Annotate panics if err is nil.
//
// Annotate knows about these error types:
// - "google.golang.org/grpc/status".Status
// - "google.golang.org/api/googleapi".Error
// If the error is not one of these types, Annotate behaves
// like
// fmt.Errorf("%s: %v", msg, err)
func Annotate(err error, msg string) error {
if err == nil {
panic("Annotate called with nil")
}
if s, ok := status.FromError(err); ok {
p := s.Proto()
p.Message = msg + ": " + p.Message
return status.ErrorProto(p)
}
if g, ok := err.(*googleapi.Error); ok {
g.Message = msg + ": " + g.Message
return g
}
return fmt.Errorf("%s: %v", msg, err)
}
// Annotatef uses format and args to format a string, then calls Annotate.
func Annotatef(err error, format string, args ...interface{}) error {
return Annotate(err, fmt.Sprintf(format, args...))
}

108
vendor/cloud.google.com/go/internal/optional/optional.go generated vendored Normal file
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@ -0,0 +1,108 @@
// Copyright 2016 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package optional provides versions of primitive types that can
// be nil. These are useful in methods that update some of an API object's
// fields.
package optional
import (
"fmt"
"strings"
"time"
)
type (
// Bool is either a bool or nil.
Bool interface{}
// String is either a string or nil.
String interface{}
// Int is either an int or nil.
Int interface{}
// Uint is either a uint or nil.
Uint interface{}
// Float64 is either a float64 or nil.
Float64 interface{}
// Duration is either a time.Duration or nil.
Duration interface{}
)
// ToBool returns its argument as a bool.
// It panics if its argument is nil or not a bool.
func ToBool(v Bool) bool {
x, ok := v.(bool)
if !ok {
doPanic("Bool", v)
}
return x
}
// ToString returns its argument as a string.
// It panics if its argument is nil or not a string.
func ToString(v String) string {
x, ok := v.(string)
if !ok {
doPanic("String", v)
}
return x
}
// ToInt returns its argument as an int.
// It panics if its argument is nil or not an int.
func ToInt(v Int) int {
x, ok := v.(int)
if !ok {
doPanic("Int", v)
}
return x
}
// ToUint returns its argument as a uint.
// It panics if its argument is nil or not a uint.
func ToUint(v Uint) uint {
x, ok := v.(uint)
if !ok {
doPanic("Uint", v)
}
return x
}
// ToFloat64 returns its argument as a float64.
// It panics if its argument is nil or not a float64.
func ToFloat64(v Float64) float64 {
x, ok := v.(float64)
if !ok {
doPanic("Float64", v)
}
return x
}
// ToDuration returns its argument as a time.Duration.
// It panics if its argument is nil or not a time.Duration.
func ToDuration(v Duration) time.Duration {
x, ok := v.(time.Duration)
if !ok {
doPanic("Duration", v)
}
return x
}
func doPanic(capType string, v interface{}) {
panic(fmt.Sprintf("optional.%s value should be %s, got %T", capType, strings.ToLower(capType), v))
}

54
vendor/cloud.google.com/go/internal/retry.go generated vendored Normal file
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// Copyright 2016 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package internal
import (
"context"
"time"
gax "github.com/googleapis/gax-go/v2"
)
// Retry calls the supplied function f repeatedly according to the provided
// backoff parameters. It returns when one of the following occurs:
// When f's first return value is true, Retry immediately returns with f's second
// return value.
// When the provided context is done, Retry returns with an error that
// includes both ctx.Error() and the last error returned by f.
func Retry(ctx context.Context, bo gax.Backoff, f func() (stop bool, err error)) error {
return retry(ctx, bo, f, gax.Sleep)
}
func retry(ctx context.Context, bo gax.Backoff, f func() (stop bool, err error),
sleep func(context.Context, time.Duration) error) error {
var lastErr error
for {
stop, err := f()
if stop {
return err
}
// Remember the last "real" error from f.
if err != nil && err != context.Canceled && err != context.DeadlineExceeded {
lastErr = err
}
p := bo.Pause()
if cerr := sleep(ctx, p); cerr != nil {
if lastErr != nil {
return Annotatef(lastErr, "retry failed with %v; last error", cerr)
}
return cerr
}
}
}

109
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// Copyright 2018 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package trace
import (
"context"
"fmt"
"go.opencensus.io/trace"
"google.golang.org/api/googleapi"
"google.golang.org/genproto/googleapis/rpc/code"
"google.golang.org/grpc/status"
)
// StartSpan adds a span to the trace with the given name.
func StartSpan(ctx context.Context, name string) context.Context {
ctx, _ = trace.StartSpan(ctx, name)
return ctx
}
// EndSpan ends a span with the given error.
func EndSpan(ctx context.Context, err error) {
span := trace.FromContext(ctx)
if err != nil {
span.SetStatus(toStatus(err))
}
span.End()
}
// toStatus interrogates an error and converts it to an appropriate
// OpenCensus status.
func toStatus(err error) trace.Status {
if err2, ok := err.(*googleapi.Error); ok {
return trace.Status{Code: httpStatusCodeToOCCode(err2.Code), Message: err2.Message}
} else if s, ok := status.FromError(err); ok {
return trace.Status{Code: int32(s.Code()), Message: s.Message()}
} else {
return trace.Status{Code: int32(code.Code_UNKNOWN), Message: err.Error()}
}
}
// TODO(deklerk): switch to using OpenCensus function when it becomes available.
// Reference: https://github.com/googleapis/googleapis/blob/26b634d2724ac5dd30ae0b0cbfb01f07f2e4050e/google/rpc/code.proto
func httpStatusCodeToOCCode(httpStatusCode int) int32 {
switch httpStatusCode {
case 200:
return int32(code.Code_OK)
case 499:
return int32(code.Code_CANCELLED)
case 500:
return int32(code.Code_UNKNOWN) // Could also be Code_INTERNAL, Code_DATA_LOSS
case 400:
return int32(code.Code_INVALID_ARGUMENT) // Could also be Code_OUT_OF_RANGE
case 504:
return int32(code.Code_DEADLINE_EXCEEDED)
case 404:
return int32(code.Code_NOT_FOUND)
case 409:
return int32(code.Code_ALREADY_EXISTS) // Could also be Code_ABORTED
case 403:
return int32(code.Code_PERMISSION_DENIED)
case 401:
return int32(code.Code_UNAUTHENTICATED)
case 429:
return int32(code.Code_RESOURCE_EXHAUSTED)
case 501:
return int32(code.Code_UNIMPLEMENTED)
case 503:
return int32(code.Code_UNAVAILABLE)
default:
return int32(code.Code_UNKNOWN)
}
}
// TODO: (odeke-em): perhaps just pass around spans due to the cost
// incurred from using trace.FromContext(ctx) yet we could avoid
// throwing away the work done by ctx, span := trace.StartSpan.
func TracePrintf(ctx context.Context, attrMap map[string]interface{}, format string, args ...interface{}) {
var attrs []trace.Attribute
for k, v := range attrMap {
var a trace.Attribute
switch v := v.(type) {
case string:
a = trace.StringAttribute(k, v)
case bool:
a = trace.BoolAttribute(k, v)
case int:
a = trace.Int64Attribute(k, int64(v))
case int64:
a = trace.Int64Attribute(k, v)
default:
a = trace.StringAttribute(k, fmt.Sprintf("%#v", v))
}
attrs = append(attrs, a)
}
trace.FromContext(ctx).Annotatef(attrs, format, args...)
}

19
vendor/cloud.google.com/go/internal/version/update_version.sh generated vendored Normal file
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#!/bin/bash
# Copyright 2019 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
today=$(date +%Y%m%d)
sed -i -r -e 's/const Repo = "([0-9]{8})"/const Repo = "'$today'"/' $GOFILE

71
vendor/cloud.google.com/go/internal/version/version.go generated vendored Normal file
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// Copyright 2016 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:generate ./update_version.sh
// Package version contains version information for Google Cloud Client
// Libraries for Go, as reported in request headers.
package version
import (
"runtime"
"strings"
"unicode"
)
// Repo is the current version of the client libraries in this
// repo. It should be a date in YYYYMMDD format.
const Repo = "20201104"
// Go returns the Go runtime version. The returned string
// has no whitespace.
func Go() string {
return goVersion
}
var goVersion = goVer(runtime.Version())
const develPrefix = "devel +"
func goVer(s string) string {
if strings.HasPrefix(s, develPrefix) {
s = s[len(develPrefix):]
if p := strings.IndexFunc(s, unicode.IsSpace); p >= 0 {
s = s[:p]
}
return s
}
if strings.HasPrefix(s, "go1") {
s = s[2:]
var prerelease string
if p := strings.IndexFunc(s, notSemverRune); p >= 0 {
s, prerelease = s[:p], s[p:]
}
if strings.HasSuffix(s, ".") {
s += "0"
} else if strings.Count(s, ".") < 2 {
s += ".0"
}
if prerelease != "" {
s += "-" + prerelease
}
return s
}
return ""
}
func notSemverRune(r rune) bool {
return !strings.ContainsRune("0123456789.", r)
}

83
vendor/cloud.google.com/go/storage/CHANGES.md generated vendored Normal file
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# Changes
## v1.10.0
- Bump dependency on google.golang.org/api to capture changes to retry logic
which will make retries on writes more resilient.
- Improve documentation for Writer.ChunkSize.
- Fix a bug in lifecycle to allow callers to clear lifecycle rules on a bucket.
## v1.9.0
- Add retry for transient network errors on most operations (with the exception
of writes).
- Bump dependency for google.golang.org/api to capture a change in the default
HTTP transport which will improve performance for reads under heavy load.
- Add CRC32C checksum validation option to Composer.
## v1.8.0
- Add support for V4 signed post policies.
## v1.7.0
- V4 signed URL support:
- Add support for bucket-bound domains and virtual hosted style URLs.
- Add support for query parameters in the signature.
- Fix text encoding to align with standards.
- Add the object name to query parameters for write calls.
- Fix retry behavior when reading files with Content-Encoding gzip.
- Fix response header in reader.
- New code examples:
- Error handling for `ObjectHandle` preconditions.
- Existence checks for buckets and objects.
## v1.6.0
- Updated option handling:
- Don't drop custom scopes (#1756)
- Don't drop port in provided endpoint (#1737)
## v1.5.0
- Honor WithEndpoint client option for reads as well as writes.
- Add archive storage class to docs.
- Make fixes to storage benchwrapper.
## v1.4.0
- When listing objects in a bucket, allow callers to specify which attributes
are queried. This allows for performance optimization.
## v1.3.0
- Use `storage.googleapis.com/storage/v1` by default for GCS requests
instead of `www.googleapis.com/storage/v1`.
## v1.2.1
- Fixed a bug where UniformBucketLevelAccess and BucketPolicyOnly were not
being sent in all cases.
## v1.2.0
- Add support for UniformBucketLevelAccess. This configures access checks
to use only bucket-level IAM policies.
See: https://godoc.org/cloud.google.com/go/storage#UniformBucketLevelAccess.
- Fix userAgent to use correct version.
## v1.1.2
- Fix memory leak in BucketIterator and ObjectIterator.
## v1.1.1
- Send BucketPolicyOnly even when it's disabled.
## v1.1.0
- Performance improvements for ObjectIterator and BucketIterator.
- Fix Bucket.ObjectIterator size calculation checks.
- Added HMACKeyOptions to all the methods which allows for options such as
UserProject to be set per invocation and optionally be used.
## v1.0.0
This is the first tag to carve out storage as its own module. See:
https://github.com/golang/go/wiki/Modules#is-it-possible-to-add-a-module-to-a-multi-module-repository.

202
vendor/cloud.google.com/go/storage/LICENSE generated vendored Normal file
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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
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means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
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Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
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(except as stated in this section) patent license to make, have made,
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where such license applies only to those patent claims licensable
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institute patent litigation against any entity (including a
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or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
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within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

32
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## Cloud Storage [![GoDoc](https://godoc.org/cloud.google.com/go/storage?status.svg)](https://godoc.org/cloud.google.com/go/storage)
- [About Cloud Storage](https://cloud.google.com/storage/)
- [API documentation](https://cloud.google.com/storage/docs)
- [Go client documentation](https://godoc.org/cloud.google.com/go/storage)
- [Complete sample programs](https://github.com/GoogleCloudPlatform/golang-samples/tree/master/storage)
### Example Usage
First create a `storage.Client` to use throughout your application:
[snip]:# (storage-1)
```go
client, err := storage.NewClient(ctx)
if err != nil {
log.Fatal(err)
}
```
[snip]:# (storage-2)
```go
// Read the object1 from bucket.
rc, err := client.Bucket("bucket").Object("object1").NewReader(ctx)
if err != nil {
log.Fatal(err)
}
defer rc.Close()
body, err := ioutil.ReadAll(rc)
if err != nil {
log.Fatal(err)
}
```

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vendor/cloud.google.com/go/storage/acl.go generated vendored Normal file
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// Copyright 2014 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package storage
import (
"context"
"net/http"
"reflect"
"cloud.google.com/go/internal/trace"
"google.golang.org/api/googleapi"
raw "google.golang.org/api/storage/v1"
)
// ACLRole is the level of access to grant.
type ACLRole string
const (
RoleOwner ACLRole = "OWNER"
RoleReader ACLRole = "READER"
RoleWriter ACLRole = "WRITER"
)
// ACLEntity refers to a user or group.
// They are sometimes referred to as grantees.
//
// It could be in the form of:
// "user-<userId>", "user-<email>", "group-<groupId>", "group-<email>",
// "domain-<domain>" and "project-team-<projectId>".
//
// Or one of the predefined constants: AllUsers, AllAuthenticatedUsers.
type ACLEntity string
const (
AllUsers ACLEntity = "allUsers"
AllAuthenticatedUsers ACLEntity = "allAuthenticatedUsers"
)
// ACLRule represents a grant for a role to an entity (user, group or team) for a
// Google Cloud Storage object or bucket.
type ACLRule struct {
Entity ACLEntity
EntityID string
Role ACLRole
Domain string
Email string
ProjectTeam *ProjectTeam
}
// ProjectTeam is the project team associated with the entity, if any.
type ProjectTeam struct {
ProjectNumber string
Team string
}
// ACLHandle provides operations on an access control list for a Google Cloud Storage bucket or object.
type ACLHandle struct {
c *Client
bucket string
object string
isDefault bool
userProject string // for requester-pays buckets
}
// Delete permanently deletes the ACL entry for the given entity.
func (a *ACLHandle) Delete(ctx context.Context, entity ACLEntity) (err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/storage.ACL.Delete")
defer func() { trace.EndSpan(ctx, err) }()
if a.object != "" {
return a.objectDelete(ctx, entity)
}
if a.isDefault {
return a.bucketDefaultDelete(ctx, entity)
}
return a.bucketDelete(ctx, entity)
}
// Set sets the role for the given entity.
func (a *ACLHandle) Set(ctx context.Context, entity ACLEntity, role ACLRole) (err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/storage.ACL.Set")
defer func() { trace.EndSpan(ctx, err) }()
if a.object != "" {
return a.objectSet(ctx, entity, role, false)
}
if a.isDefault {
return a.objectSet(ctx, entity, role, true)
}
return a.bucketSet(ctx, entity, role)
}
// List retrieves ACL entries.
func (a *ACLHandle) List(ctx context.Context) (rules []ACLRule, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/storage.ACL.List")
defer func() { trace.EndSpan(ctx, err) }()
if a.object != "" {
return a.objectList(ctx)
}
if a.isDefault {
return a.bucketDefaultList(ctx)
}
return a.bucketList(ctx)
}
func (a *ACLHandle) bucketDefaultList(ctx context.Context) ([]ACLRule, error) {
var acls *raw.ObjectAccessControls
var err error
err = runWithRetry(ctx, func() error {
req := a.c.raw.DefaultObjectAccessControls.List(a.bucket)
a.configureCall(ctx, req)
acls, err = req.Do()
return err
})
if err != nil {
return nil, err
}
return toObjectACLRules(acls.Items), nil
}
func (a *ACLHandle) bucketDefaultDelete(ctx context.Context, entity ACLEntity) error {
return runWithRetry(ctx, func() error {
req := a.c.raw.DefaultObjectAccessControls.Delete(a.bucket, string(entity))
a.configureCall(ctx, req)
return req.Do()
})
}
func (a *ACLHandle) bucketList(ctx context.Context) ([]ACLRule, error) {
var acls *raw.BucketAccessControls
var err error
err = runWithRetry(ctx, func() error {
req := a.c.raw.BucketAccessControls.List(a.bucket)
a.configureCall(ctx, req)
acls, err = req.Do()
return err
})
if err != nil {
return nil, err
}
return toBucketACLRules(acls.Items), nil
}
func (a *ACLHandle) bucketSet(ctx context.Context, entity ACLEntity, role ACLRole) error {
acl := &raw.BucketAccessControl{
Bucket: a.bucket,
Entity: string(entity),
Role: string(role),
}
err := runWithRetry(ctx, func() error {
req := a.c.raw.BucketAccessControls.Update(a.bucket, string(entity), acl)
a.configureCall(ctx, req)
_, err := req.Do()
return err
})
if err != nil {
return err
}
return nil
}
func (a *ACLHandle) bucketDelete(ctx context.Context, entity ACLEntity) error {
return runWithRetry(ctx, func() error {
req := a.c.raw.BucketAccessControls.Delete(a.bucket, string(entity))
a.configureCall(ctx, req)
return req.Do()
})
}
func (a *ACLHandle) objectList(ctx context.Context) ([]ACLRule, error) {
var acls *raw.ObjectAccessControls
var err error
err = runWithRetry(ctx, func() error {
req := a.c.raw.ObjectAccessControls.List(a.bucket, a.object)
a.configureCall(ctx, req)
acls, err = req.Do()
return err
})
if err != nil {
return nil, err
}
return toObjectACLRules(acls.Items), nil
}
func (a *ACLHandle) objectSet(ctx context.Context, entity ACLEntity, role ACLRole, isBucketDefault bool) error {
type setRequest interface {
Do(opts ...googleapi.CallOption) (*raw.ObjectAccessControl, error)
Header() http.Header
}
acl := &raw.ObjectAccessControl{
Bucket: a.bucket,
Entity: string(entity),
Role: string(role),
}
var req setRequest
if isBucketDefault {
req = a.c.raw.DefaultObjectAccessControls.Update(a.bucket, string(entity), acl)
} else {
req = a.c.raw.ObjectAccessControls.Update(a.bucket, a.object, string(entity), acl)
}
a.configureCall(ctx, req)
return runWithRetry(ctx, func() error {
_, err := req.Do()
return err
})
}
func (a *ACLHandle) objectDelete(ctx context.Context, entity ACLEntity) error {
return runWithRetry(ctx, func() error {
req := a.c.raw.ObjectAccessControls.Delete(a.bucket, a.object, string(entity))
a.configureCall(ctx, req)
return req.Do()
})
}
func (a *ACLHandle) configureCall(ctx context.Context, call interface{ Header() http.Header }) {
vc := reflect.ValueOf(call)
vc.MethodByName("Context").Call([]reflect.Value{reflect.ValueOf(ctx)})
if a.userProject != "" {
vc.MethodByName("UserProject").Call([]reflect.Value{reflect.ValueOf(a.userProject)})
}
setClientHeader(call.Header())
}
func toObjectACLRules(items []*raw.ObjectAccessControl) []ACLRule {
var rs []ACLRule
for _, item := range items {
rs = append(rs, toObjectACLRule(item))
}
return rs
}
func toBucketACLRules(items []*raw.BucketAccessControl) []ACLRule {
var rs []ACLRule
for _, item := range items {
rs = append(rs, toBucketACLRule(item))
}
return rs
}
func toObjectACLRule(a *raw.ObjectAccessControl) ACLRule {
return ACLRule{
Entity: ACLEntity(a.Entity),
EntityID: a.EntityId,
Role: ACLRole(a.Role),
Domain: a.Domain,
Email: a.Email,
ProjectTeam: toObjectProjectTeam(a.ProjectTeam),
}
}
func toBucketACLRule(a *raw.BucketAccessControl) ACLRule {
return ACLRule{
Entity: ACLEntity(a.Entity),
EntityID: a.EntityId,
Role: ACLRole(a.Role),
Domain: a.Domain,
Email: a.Email,
ProjectTeam: toBucketProjectTeam(a.ProjectTeam),
}
}
func toRawObjectACL(rules []ACLRule) []*raw.ObjectAccessControl {
if len(rules) == 0 {
return nil
}
r := make([]*raw.ObjectAccessControl, 0, len(rules))
for _, rule := range rules {
r = append(r, rule.toRawObjectAccessControl("")) // bucket name unnecessary
}
return r
}
func toRawBucketACL(rules []ACLRule) []*raw.BucketAccessControl {
if len(rules) == 0 {
return nil
}
r := make([]*raw.BucketAccessControl, 0, len(rules))
for _, rule := range rules {
r = append(r, rule.toRawBucketAccessControl("")) // bucket name unnecessary
}
return r
}
func (r ACLRule) toRawBucketAccessControl(bucket string) *raw.BucketAccessControl {
return &raw.BucketAccessControl{
Bucket: bucket,
Entity: string(r.Entity),
Role: string(r.Role),
// The other fields are not settable.
}
}
func (r ACLRule) toRawObjectAccessControl(bucket string) *raw.ObjectAccessControl {
return &raw.ObjectAccessControl{
Bucket: bucket,
Entity: string(r.Entity),
Role: string(r.Role),
// The other fields are not settable.
}
}
func toBucketProjectTeam(p *raw.BucketAccessControlProjectTeam) *ProjectTeam {
if p == nil {
return nil
}
return &ProjectTeam{
ProjectNumber: p.ProjectNumber,
Team: p.Team,
}
}
func toObjectProjectTeam(p *raw.ObjectAccessControlProjectTeam) *ProjectTeam {
if p == nil {
return nil
}
return &ProjectTeam{
ProjectNumber: p.ProjectNumber,
Team: p.Team,
}
}

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// Copyright 2016 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package storage
import (
"context"
"errors"
"fmt"
"cloud.google.com/go/internal/trace"
raw "google.golang.org/api/storage/v1"
)
// CopierFrom creates a Copier that can copy src to dst.
// You can immediately call Run on the returned Copier, or
// you can configure it first.
//
// For Requester Pays buckets, the user project of dst is billed, unless it is empty,
// in which case the user project of src is billed.
func (dst *ObjectHandle) CopierFrom(src *ObjectHandle) *Copier {
return &Copier{dst: dst, src: src}
}
// A Copier copies a source object to a destination.
type Copier struct {
// ObjectAttrs are optional attributes to set on the destination object.
// Any attributes must be initialized before any calls on the Copier. Nil
// or zero-valued attributes are ignored.
ObjectAttrs
// RewriteToken can be set before calling Run to resume a copy
// operation. After Run returns a non-nil error, RewriteToken will
// have been updated to contain the value needed to resume the copy.
RewriteToken string
// ProgressFunc can be used to monitor the progress of a multi-RPC copy
// operation. If ProgressFunc is not nil and copying requires multiple
// calls to the underlying service (see
// https://cloud.google.com/storage/docs/json_api/v1/objects/rewrite), then
// ProgressFunc will be invoked after each call with the number of bytes of
// content copied so far and the total size in bytes of the source object.
//
// ProgressFunc is intended to make upload progress available to the
// application. For example, the implementation of ProgressFunc may update
// a progress bar in the application's UI, or log the result of
// float64(copiedBytes)/float64(totalBytes).
//
// ProgressFunc should return quickly without blocking.
ProgressFunc func(copiedBytes, totalBytes uint64)
// The Cloud KMS key, in the form projects/P/locations/L/keyRings/R/cryptoKeys/K,
// that will be used to encrypt the object. Overrides the object's KMSKeyName, if
// any.
//
// Providing both a DestinationKMSKeyName and a customer-supplied encryption key
// (via ObjectHandle.Key) on the destination object will result in an error when
// Run is called.
DestinationKMSKeyName string
dst, src *ObjectHandle
}
// Run performs the copy.
func (c *Copier) Run(ctx context.Context) (attrs *ObjectAttrs, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/storage.Copier.Run")
defer func() { trace.EndSpan(ctx, err) }()
if err := c.src.validate(); err != nil {
return nil, err
}
if err := c.dst.validate(); err != nil {
return nil, err
}
if c.DestinationKMSKeyName != "" && c.dst.encryptionKey != nil {
return nil, errors.New("storage: cannot use DestinationKMSKeyName with a customer-supplied encryption key")
}
// Convert destination attributes to raw form, omitting the bucket.
// If the bucket is included but name or content-type aren't, the service
// returns a 400 with "Required" as the only message. Omitting the bucket
// does not cause any problems.
rawObject := c.ObjectAttrs.toRawObject("")
for {
res, err := c.callRewrite(ctx, rawObject)
if err != nil {
return nil, err
}
if c.ProgressFunc != nil {
c.ProgressFunc(uint64(res.TotalBytesRewritten), uint64(res.ObjectSize))
}
if res.Done { // Finished successfully.
return newObject(res.Resource), nil
}
}
}
func (c *Copier) callRewrite(ctx context.Context, rawObj *raw.Object) (*raw.RewriteResponse, error) {
call := c.dst.c.raw.Objects.Rewrite(c.src.bucket, c.src.object, c.dst.bucket, c.dst.object, rawObj)
call.Context(ctx).Projection("full")
if c.RewriteToken != "" {
call.RewriteToken(c.RewriteToken)
}
if c.DestinationKMSKeyName != "" {
call.DestinationKmsKeyName(c.DestinationKMSKeyName)
}
if c.PredefinedACL != "" {
call.DestinationPredefinedAcl(c.PredefinedACL)
}
if err := applyConds("Copy destination", c.dst.gen, c.dst.conds, call); err != nil {
return nil, err
}
if c.dst.userProject != "" {
call.UserProject(c.dst.userProject)
} else if c.src.userProject != "" {
call.UserProject(c.src.userProject)
}
if err := applySourceConds(c.src.gen, c.src.conds, call); err != nil {
return nil, err
}
if err := setEncryptionHeaders(call.Header(), c.dst.encryptionKey, false); err != nil {
return nil, err
}
if err := setEncryptionHeaders(call.Header(), c.src.encryptionKey, true); err != nil {
return nil, err
}
var res *raw.RewriteResponse
var err error
setClientHeader(call.Header())
err = runWithRetry(ctx, func() error { res, err = call.Do(); return err })
if err != nil {
return nil, err
}
c.RewriteToken = res.RewriteToken
return res, nil
}
// ComposerFrom creates a Composer that can compose srcs into dst.
// You can immediately call Run on the returned Composer, or you can
// configure it first.
//
// The encryption key for the destination object will be used to decrypt all
// source objects and encrypt the destination object. It is an error
// to specify an encryption key for any of the source objects.
func (dst *ObjectHandle) ComposerFrom(srcs ...*ObjectHandle) *Composer {
return &Composer{dst: dst, srcs: srcs}
}
// A Composer composes source objects into a destination object.
//
// For Requester Pays buckets, the user project of dst is billed.
type Composer struct {
// ObjectAttrs are optional attributes to set on the destination object.
// Any attributes must be initialized before any calls on the Composer. Nil
// or zero-valued attributes are ignored.
ObjectAttrs
// SendCRC specifies whether to transmit a CRC32C field. It should be set
// to true in addition to setting the Composer's CRC32C field, because zero
// is a valid CRC and normally a zero would not be transmitted.
// If a CRC32C is sent, and the data in the destination object does not match
// the checksum, the compose will be rejected.
SendCRC32C bool
dst *ObjectHandle
srcs []*ObjectHandle
}
// Run performs the compose operation.
func (c *Composer) Run(ctx context.Context) (attrs *ObjectAttrs, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/storage.Composer.Run")
defer func() { trace.EndSpan(ctx, err) }()
if err := c.dst.validate(); err != nil {
return nil, err
}
if len(c.srcs) == 0 {
return nil, errors.New("storage: at least one source object must be specified")
}
req := &raw.ComposeRequest{}
// Compose requires a non-empty Destination, so we always set it,
// even if the caller-provided ObjectAttrs is the zero value.
req.Destination = c.ObjectAttrs.toRawObject(c.dst.bucket)
if c.SendCRC32C {
req.Destination.Crc32c = encodeUint32(c.ObjectAttrs.CRC32C)
}
for _, src := range c.srcs {
if err := src.validate(); err != nil {
return nil, err
}
if src.bucket != c.dst.bucket {
return nil, fmt.Errorf("storage: all source objects must be in bucket %q, found %q", c.dst.bucket, src.bucket)
}
if src.encryptionKey != nil {
return nil, fmt.Errorf("storage: compose source %s.%s must not have encryption key", src.bucket, src.object)
}
srcObj := &raw.ComposeRequestSourceObjects{
Name: src.object,
}
if err := applyConds("ComposeFrom source", src.gen, src.conds, composeSourceObj{srcObj}); err != nil {
return nil, err
}
req.SourceObjects = append(req.SourceObjects, srcObj)
}
call := c.dst.c.raw.Objects.Compose(c.dst.bucket, c.dst.object, req).Context(ctx)
if err := applyConds("ComposeFrom destination", c.dst.gen, c.dst.conds, call); err != nil {
return nil, err
}
if c.dst.userProject != "" {
call.UserProject(c.dst.userProject)
}
if c.PredefinedACL != "" {
call.DestinationPredefinedAcl(c.PredefinedACL)
}
if err := setEncryptionHeaders(call.Header(), c.dst.encryptionKey, false); err != nil {
return nil, err
}
var obj *raw.Object
setClientHeader(call.Header())
err = runWithRetry(ctx, func() error { obj, err = call.Do(); return err })
if err != nil {
return nil, err
}
return newObject(obj), nil
}

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// Copyright 2016 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/*
Package storage provides an easy way to work with Google Cloud Storage.
Google Cloud Storage stores data in named objects, which are grouped into buckets.
More information about Google Cloud Storage is available at
https://cloud.google.com/storage/docs.
See https://godoc.org/cloud.google.com/go for authentication, timeouts,
connection pooling and similar aspects of this package.
All of the methods of this package use exponential backoff to retry calls that fail
with certain errors, as described in
https://cloud.google.com/storage/docs/exponential-backoff. Retrying continues
indefinitely unless the controlling context is canceled or the client is closed. See
context.WithTimeout and context.WithCancel.
Creating a Client
To start working with this package, create a client:
ctx := context.Background()
client, err := storage.NewClient(ctx)
if err != nil {
// TODO: Handle error.
}
The client will use your default application credentials.
If you only wish to access public data, you can create
an unauthenticated client with
client, err := storage.NewClient(ctx, option.WithoutAuthentication())
Buckets
A Google Cloud Storage bucket is a collection of objects. To work with a
bucket, make a bucket handle:
bkt := client.Bucket(bucketName)
A handle is a reference to a bucket. You can have a handle even if the
bucket doesn't exist yet. To create a bucket in Google Cloud Storage,
call Create on the handle:
if err := bkt.Create(ctx, projectID, nil); err != nil {
// TODO: Handle error.
}
Note that although buckets are associated with projects, bucket names are
global across all projects.
Each bucket has associated metadata, represented in this package by
BucketAttrs. The third argument to BucketHandle.Create allows you to set
the initial BucketAttrs of a bucket. To retrieve a bucket's attributes, use
Attrs:
attrs, err := bkt.Attrs(ctx)
if err != nil {
// TODO: Handle error.
}
fmt.Printf("bucket %s, created at %s, is located in %s with storage class %s\n",
attrs.Name, attrs.Created, attrs.Location, attrs.StorageClass)
Objects
An object holds arbitrary data as a sequence of bytes, like a file. You
refer to objects using a handle, just as with buckets, but unlike buckets
you don't explicitly create an object. Instead, the first time you write
to an object it will be created. You can use the standard Go io.Reader
and io.Writer interfaces to read and write object data:
obj := bkt.Object("data")
// Write something to obj.
// w implements io.Writer.
w := obj.NewWriter(ctx)
// Write some text to obj. This will either create the object or overwrite whatever is there already.
if _, err := fmt.Fprintf(w, "This object contains text.\n"); err != nil {
// TODO: Handle error.
}
// Close, just like writing a file.
if err := w.Close(); err != nil {
// TODO: Handle error.
}
// Read it back.
r, err := obj.NewReader(ctx)
if err != nil {
// TODO: Handle error.
}
defer r.Close()
if _, err := io.Copy(os.Stdout, r); err != nil {
// TODO: Handle error.
}
// Prints "This object contains text."
Objects also have attributes, which you can fetch with Attrs:
objAttrs, err := obj.Attrs(ctx)
if err != nil {
// TODO: Handle error.
}
fmt.Printf("object %s has size %d and can be read using %s\n",
objAttrs.Name, objAttrs.Size, objAttrs.MediaLink)
Listing objects
Listing objects in a bucket is done with the Bucket.Objects method:
query := &storage.Query{Prefix: ""}
var names []string
it := bkt.Objects(ctx, query)
for {
attrs, err := it.Next()
if err == iterator.Done {
break
}
if err != nil {
log.Fatal(err)
}
names = append(names, attrs.Name)
}
If only a subset of object attributes is needed when listing, specifying this
subset using Query.SetAttrSelection may speed up the listing process:
query := &storage.Query{Prefix: ""}
query.SetAttrSelection([]string{"Name"})
// ... as before
ACLs
Both objects and buckets have ACLs (Access Control Lists). An ACL is a list of
ACLRules, each of which specifies the role of a user, group or project. ACLs
are suitable for fine-grained control, but you may prefer using IAM to control
access at the project level (see
https://cloud.google.com/storage/docs/access-control/iam).
To list the ACLs of a bucket or object, obtain an ACLHandle and call its List method:
acls, err := obj.ACL().List(ctx)
if err != nil {
// TODO: Handle error.
}
for _, rule := range acls {
fmt.Printf("%s has role %s\n", rule.Entity, rule.Role)
}
You can also set and delete ACLs.
Conditions
Every object has a generation and a metageneration. The generation changes
whenever the content changes, and the metageneration changes whenever the
metadata changes. Conditions let you check these values before an operation;
the operation only executes if the conditions match. You can use conditions to
prevent race conditions in read-modify-write operations.
For example, say you've read an object's metadata into objAttrs. Now
you want to write to that object, but only if its contents haven't changed
since you read it. Here is how to express that:
w = obj.If(storage.Conditions{GenerationMatch: objAttrs.Generation}).NewWriter(ctx)
// Proceed with writing as above.
Signed URLs
You can obtain a URL that lets anyone read or write an object for a limited time.
You don't need to create a client to do this. See the documentation of
SignedURL for details.
url, err := storage.SignedURL(bucketName, "shared-object", opts)
if err != nil {
// TODO: Handle error.
}
fmt.Println(url)
Post Policy V4 Signed Request
A type of signed request that allows uploads through HTML forms directly to Cloud Storage with
temporary permission. Conditions can be applied to restrict how the HTML form is used and exercised
by a user.
For more information, please see https://cloud.google.com/storage/docs/xml-api/post-object as well
as the documentation of GenerateSignedPostPolicyV4.
pv4, err := storage.GenerateSignedPostPolicyV4(bucketName, objectName, opts)
if err != nil {
// TODO: Handle error.
}
fmt.Printf("URL: %s\nFields; %v\n", pv4.URL, pv4.Fields)
Errors
Errors returned by this client are often of the type [`googleapi.Error`](https://godoc.org/google.golang.org/api/googleapi#Error).
These errors can be introspected for more information by type asserting to the richer `googleapi.Error` type. For example:
if e, ok := err.(*googleapi.Error); ok {
if e.Code == 409 { ... }
}
*/
package storage // import "cloud.google.com/go/storage"

18
vendor/cloud.google.com/go/storage/go.mod generated vendored Normal file
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module cloud.google.com/go/storage
go 1.11
require (
cloud.google.com/go v0.57.0
cloud.google.com/go/bigquery v1.8.0 // indirect
github.com/golang/protobuf v1.4.2
github.com/google/go-cmp v0.4.1
github.com/googleapis/gax-go/v2 v2.0.5
golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2 // indirect
golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
golang.org/x/sys v0.0.0-20200523222454-059865788121 // indirect
golang.org/x/tools v0.0.0-20200618134242-20370b0cb4b2 // indirect
google.golang.org/api v0.28.0
google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790
google.golang.org/grpc v1.29.1
)

450
vendor/cloud.google.com/go/storage/go.sum generated vendored Normal file
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cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
cloud.google.com/go v0.46.3 h1:AVXDdKsrtX33oR9fbCMu/+c1o8Ofjq6Ku/MInaLVg5Y=
cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
cloud.google.com/go v0.52.0 h1:GGslhk/BU052LPlnI1vpp3fcbUs+hQ3E+Doti/3/vF8=
cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
cloud.google.com/go v0.53.0 h1:MZQCQQaRwOrAcuKjiHWHrgKykt4fZyuwF2dtiG3fGW8=
cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
cloud.google.com/go v0.54.0 h1:3ithwDMr7/3vpAMXiH+ZQnYbuIsh+OPhUPMFC9enmn0=
cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
cloud.google.com/go v0.56.0 h1:WRz29PgAsVEyPSDHyk+0fpEkwEFyfhHn+JbksT6gIL4=
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github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
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github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
github.com/hashicorp/golang-lru v0.5.1 h1:0hERBMJE1eitiLkihrMvRVBYAkpHzc/J3QdDN+dAcgU=
github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
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github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk=
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
go.opencensus.io v0.22.0 h1:C9hSCOW830chIVkdja34wa6Ky+IzWllkUinR+BtRZd4=
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go.opencensus.io v0.22.2 h1:75k/FF0Q2YM8QYo07VPddOLBslDt1MZOdEslOHvmzAs=
go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.3 h1:8sGtKOrtQqkN1bp2AtX+misvLIlOmsEsNd+9NIcPEm8=
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golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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48
vendor/cloud.google.com/go/storage/go110.go generated vendored Normal file
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@ -0,0 +1,48 @@
// Copyright 2017 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build go1.10
package storage
import (
"net/url"
"strings"
"google.golang.org/api/googleapi"
)
func shouldRetry(err error) bool {
switch e := err.(type) {
case *googleapi.Error:
// Retry on 429 and 5xx, according to
// https://cloud.google.com/storage/docs/exponential-backoff.
return e.Code == 429 || (e.Code >= 500 && e.Code < 600)
case *url.Error:
// Retry socket-level errors ECONNREFUSED and ENETUNREACH (from syscall).
// Unfortunately the error type is unexported, so we resort to string
// matching.
retriable := []string{"connection refused", "connection reset"}
for _, s := range retriable {
if strings.Contains(e.Error(), s) {
return true
}
}
return false
case interface{ Temporary() bool }:
return e.Temporary()
default:
return false
}
}

22
vendor/cloud.google.com/go/storage/go_mod_tidy_hack.go generated vendored Normal file
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@ -0,0 +1,22 @@
// Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This file, and the cloud.google.com/go import, won't actually become part of
// the resultant binary.
// +build modhack
package storage
// Necessary for safely adding multi-module repo. See: https://github.com/golang/go/wiki/Modules#is-it-possible-to-add-a-module-to-a-multi-module-repository
import _ "cloud.google.com/go"

441
vendor/cloud.google.com/go/storage/hmac.go generated vendored Normal file
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@ -0,0 +1,441 @@
// Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package storage
import (
"context"
"errors"
"fmt"
"time"
"google.golang.org/api/iterator"
raw "google.golang.org/api/storage/v1"
)
// HMACState is the state of the HMAC key.
//
// This type is EXPERIMENTAL and subject to change or removal without notice.
type HMACState string
const (
// Active is the status for an active key that can be used to sign
// requests.
Active HMACState = "ACTIVE"
// Inactive is the status for an inactive key thus requests signed by
// this key will be denied.
Inactive HMACState = "INACTIVE"
// Deleted is the status for a key that is deleted.
// Once in this state the key cannot key cannot be recovered
// and does not count towards key limits. Deleted keys will be cleaned
// up later.
Deleted HMACState = "DELETED"
)
// HMACKey is the representation of a Google Cloud Storage HMAC key.
//
// HMAC keys are used to authenticate signed access to objects. To enable HMAC key
// authentication, please visit https://cloud.google.com/storage/docs/migrating.
//
// This type is EXPERIMENTAL and subject to change or removal without notice.
type HMACKey struct {
// The HMAC's secret key.
Secret string
// AccessID is the ID of the HMAC key.
AccessID string
// Etag is the HTTP/1.1 Entity tag.
Etag string
// ID is the ID of the HMAC key, including the ProjectID and AccessID.
ID string
// ProjectID is the ID of the project that owns the
// service account to which the key authenticates.
ProjectID string
// ServiceAccountEmail is the email address
// of the key's associated service account.
ServiceAccountEmail string
// CreatedTime is the creation time of the HMAC key.
CreatedTime time.Time
// UpdatedTime is the last modification time of the HMAC key metadata.
UpdatedTime time.Time
// State is the state of the HMAC key.
// It can be one of StateActive, StateInactive or StateDeleted.
State HMACState
}
// HMACKeyHandle helps provide access and management for HMAC keys.
//
// This type is EXPERIMENTAL and subject to change or removal without notice.
type HMACKeyHandle struct {
projectID string
accessID string
raw *raw.ProjectsHmacKeysService
}
// HMACKeyHandle creates a handle that will be used for HMACKey operations.
//
// This method is EXPERIMENTAL and subject to change or removal without notice.
func (c *Client) HMACKeyHandle(projectID, accessID string) *HMACKeyHandle {
return &HMACKeyHandle{
projectID: projectID,
accessID: accessID,
raw: raw.NewProjectsHmacKeysService(c.raw),
}
}
// Get invokes an RPC to retrieve the HMAC key referenced by the
// HMACKeyHandle's accessID.
//
// Options such as UserProjectForHMACKeys can be used to set the
// userProject to be billed against for operations.
//
// This method is EXPERIMENTAL and subject to change or removal without notice.
func (hkh *HMACKeyHandle) Get(ctx context.Context, opts ...HMACKeyOption) (*HMACKey, error) {
call := hkh.raw.Get(hkh.projectID, hkh.accessID)
desc := new(hmacKeyDesc)
for _, opt := range opts {
opt.withHMACKeyDesc(desc)
}
if desc.userProjectID != "" {
call = call.UserProject(desc.userProjectID)
}
setClientHeader(call.Header())
var metadata *raw.HmacKeyMetadata
var err error
err = runWithRetry(ctx, func() error {
metadata, err = call.Context(ctx).Do()
return err
})
if err != nil {
return nil, err
}
hkPb := &raw.HmacKey{
Metadata: metadata,
}
return pbHmacKeyToHMACKey(hkPb, false)
}
// Delete invokes an RPC to delete the key referenced by accessID, on Google Cloud Storage.
// Only inactive HMAC keys can be deleted.
// After deletion, a key cannot be used to authenticate requests.
//
// This method is EXPERIMENTAL and subject to change or removal without notice.
func (hkh *HMACKeyHandle) Delete(ctx context.Context, opts ...HMACKeyOption) error {
delCall := hkh.raw.Delete(hkh.projectID, hkh.accessID)
desc := new(hmacKeyDesc)
for _, opt := range opts {
opt.withHMACKeyDesc(desc)
}
if desc.userProjectID != "" {
delCall = delCall.UserProject(desc.userProjectID)
}
setClientHeader(delCall.Header())
return runWithRetry(ctx, func() error {
return delCall.Context(ctx).Do()
})
}
func pbHmacKeyToHMACKey(pb *raw.HmacKey, updatedTimeCanBeNil bool) (*HMACKey, error) {
pbmd := pb.Metadata
if pbmd == nil {
return nil, errors.New("field Metadata cannot be nil")
}
createdTime, err := time.Parse(time.RFC3339, pbmd.TimeCreated)
if err != nil {
return nil, fmt.Errorf("field CreatedTime: %v", err)
}
updatedTime, err := time.Parse(time.RFC3339, pbmd.Updated)
if err != nil && !updatedTimeCanBeNil {
return nil, fmt.Errorf("field UpdatedTime: %v", err)
}
hmk := &HMACKey{
AccessID: pbmd.AccessId,
Secret: pb.Secret,
Etag: pbmd.Etag,
ID: pbmd.Id,
State: HMACState(pbmd.State),
ProjectID: pbmd.ProjectId,
CreatedTime: createdTime,
UpdatedTime: updatedTime,
ServiceAccountEmail: pbmd.ServiceAccountEmail,
}
return hmk, nil
}
// CreateHMACKey invokes an RPC for Google Cloud Storage to create a new HMACKey.
//
// This method is EXPERIMENTAL and subject to change or removal without notice.
func (c *Client) CreateHMACKey(ctx context.Context, projectID, serviceAccountEmail string, opts ...HMACKeyOption) (*HMACKey, error) {
if projectID == "" {
return nil, errors.New("storage: expecting a non-blank projectID")
}
if serviceAccountEmail == "" {
return nil, errors.New("storage: expecting a non-blank service account email")
}
svc := raw.NewProjectsHmacKeysService(c.raw)
call := svc.Create(projectID, serviceAccountEmail)
desc := new(hmacKeyDesc)
for _, opt := range opts {
opt.withHMACKeyDesc(desc)
}
if desc.userProjectID != "" {
call = call.UserProject(desc.userProjectID)
}
setClientHeader(call.Header())
var hkPb *raw.HmacKey
var err error
err = runWithRetry(ctx, func() error {
hkPb, err = call.Context(ctx).Do()
return err
})
if err != nil {
return nil, err
}
return pbHmacKeyToHMACKey(hkPb, true)
}
// HMACKeyAttrsToUpdate defines the attributes of an HMACKey that will be updated.
//
// This type is EXPERIMENTAL and subject to change or removal without notice.
type HMACKeyAttrsToUpdate struct {
// State is required and must be either StateActive or StateInactive.
State HMACState
// Etag is an optional field and it is the HTTP/1.1 Entity tag.
Etag string
}
// Update mutates the HMACKey referred to by accessID.
//
// This method is EXPERIMENTAL and subject to change or removal without notice.
func (h *HMACKeyHandle) Update(ctx context.Context, au HMACKeyAttrsToUpdate, opts ...HMACKeyOption) (*HMACKey, error) {
if au.State != Active && au.State != Inactive {
return nil, fmt.Errorf("storage: invalid state %q for update, must be either %q or %q", au.State, Active, Inactive)
}
call := h.raw.Update(h.projectID, h.accessID, &raw.HmacKeyMetadata{
Etag: au.Etag,
State: string(au.State),
})
desc := new(hmacKeyDesc)
for _, opt := range opts {
opt.withHMACKeyDesc(desc)
}
if desc.userProjectID != "" {
call = call.UserProject(desc.userProjectID)
}
setClientHeader(call.Header())
var metadata *raw.HmacKeyMetadata
var err error
err = runWithRetry(ctx, func() error {
metadata, err = call.Context(ctx).Do()
return err
})
if err != nil {
return nil, err
}
hkPb := &raw.HmacKey{
Metadata: metadata,
}
return pbHmacKeyToHMACKey(hkPb, false)
}
// An HMACKeysIterator is an iterator over HMACKeys.
//
// Note: This iterator is not safe for concurrent operations without explicit synchronization.
//
// This type is EXPERIMENTAL and subject to change or removal without notice.
type HMACKeysIterator struct {
ctx context.Context
raw *raw.ProjectsHmacKeysService
projectID string
hmacKeys []*HMACKey
pageInfo *iterator.PageInfo
nextFunc func() error
index int
desc hmacKeyDesc
}
// ListHMACKeys returns an iterator for listing HMACKeys.
//
// Note: This iterator is not safe for concurrent operations without explicit synchronization.
//
// This method is EXPERIMENTAL and subject to change or removal without notice.
func (c *Client) ListHMACKeys(ctx context.Context, projectID string, opts ...HMACKeyOption) *HMACKeysIterator {
it := &HMACKeysIterator{
ctx: ctx,
raw: raw.NewProjectsHmacKeysService(c.raw),
projectID: projectID,
}
for _, opt := range opts {
opt.withHMACKeyDesc(&it.desc)
}
it.pageInfo, it.nextFunc = iterator.NewPageInfo(
it.fetch,
func() int { return len(it.hmacKeys) - it.index },
func() interface{} {
prev := it.hmacKeys
it.hmacKeys = it.hmacKeys[:0]
it.index = 0
return prev
})
return it
}
// Next returns the next result. Its second return value is iterator.Done if
// there are no more results. Once Next returns iterator.Done, all subsequent
// calls will return iterator.Done.
//
// Note: This iterator is not safe for concurrent operations without explicit synchronization.
//
// This method is EXPERIMENTAL and subject to change or removal without notice.
func (it *HMACKeysIterator) Next() (*HMACKey, error) {
if err := it.nextFunc(); err != nil {
return nil, err
}
key := it.hmacKeys[it.index]
it.index++
return key, nil
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
//
// Note: This iterator is not safe for concurrent operations without explicit synchronization.
//
// This method is EXPERIMENTAL and subject to change or removal without notice.
func (it *HMACKeysIterator) PageInfo() *iterator.PageInfo { return it.pageInfo }
func (it *HMACKeysIterator) fetch(pageSize int, pageToken string) (token string, err error) {
call := it.raw.List(it.projectID)
setClientHeader(call.Header())
if pageToken != "" {
call = call.PageToken(pageToken)
}
if it.desc.showDeletedKeys {
call = call.ShowDeletedKeys(true)
}
if it.desc.userProjectID != "" {
call = call.UserProject(it.desc.userProjectID)
}
if it.desc.forServiceAccountEmail != "" {
call = call.ServiceAccountEmail(it.desc.forServiceAccountEmail)
}
if pageSize > 0 {
call = call.MaxResults(int64(pageSize))
}
ctx := it.ctx
var resp *raw.HmacKeysMetadata
err = runWithRetry(it.ctx, func() error {
resp, err = call.Context(ctx).Do()
return err
})
if err != nil {
return "", err
}
for _, metadata := range resp.Items {
hkPb := &raw.HmacKey{
Metadata: metadata,
}
hkey, err := pbHmacKeyToHMACKey(hkPb, true)
if err != nil {
return "", err
}
it.hmacKeys = append(it.hmacKeys, hkey)
}
return resp.NextPageToken, nil
}
type hmacKeyDesc struct {
forServiceAccountEmail string
showDeletedKeys bool
userProjectID string
}
// HMACKeyOption configures the behavior of HMACKey related methods and actions.
//
// This interface is EXPERIMENTAL and subject to change or removal without notice.
type HMACKeyOption interface {
withHMACKeyDesc(*hmacKeyDesc)
}
type hmacKeyDescFunc func(*hmacKeyDesc)
func (hkdf hmacKeyDescFunc) withHMACKeyDesc(hkd *hmacKeyDesc) {
hkdf(hkd)
}
// ForHMACKeyServiceAccountEmail returns HMAC Keys that are
// associated with the email address of a service account in the project.
//
// Only one service account email can be used as a filter, so if multiple
// of these options are applied, the last email to be set will be used.
//
// This option is EXPERIMENTAL and subject to change or removal without notice.
func ForHMACKeyServiceAccountEmail(serviceAccountEmail string) HMACKeyOption {
return hmacKeyDescFunc(func(hkd *hmacKeyDesc) {
hkd.forServiceAccountEmail = serviceAccountEmail
})
}
// ShowDeletedHMACKeys will also list keys whose state is "DELETED".
//
// This option is EXPERIMENTAL and subject to change or removal without notice.
func ShowDeletedHMACKeys() HMACKeyOption {
return hmacKeyDescFunc(func(hkd *hmacKeyDesc) {
hkd.showDeletedKeys = true
})
}
// UserProjectForHMACKeys will bill the request against userProjectID
// if userProjectID is non-empty.
//
// Note: This is a noop right now and only provided for API compatibility.
//
// This option is EXPERIMENTAL and subject to change or removal without notice.
func UserProjectForHMACKeys(userProjectID string) HMACKeyOption {
return hmacKeyDescFunc(func(hkd *hmacKeyDesc) {
hkd.userProjectID = userProjectID
})
}

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vendor/cloud.google.com/go/storage/iam.go generated vendored Normal file
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// Copyright 2017 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package storage
import (
"context"
"cloud.google.com/go/iam"
"cloud.google.com/go/internal/trace"
raw "google.golang.org/api/storage/v1"
iampb "google.golang.org/genproto/googleapis/iam/v1"
"google.golang.org/genproto/googleapis/type/expr"
)
// IAM provides access to IAM access control for the bucket.
func (b *BucketHandle) IAM() *iam.Handle {
return iam.InternalNewHandleClient(&iamClient{
raw: b.c.raw,
userProject: b.userProject,
}, b.name)
}
// iamClient implements the iam.client interface.
type iamClient struct {
raw *raw.Service
userProject string
}
func (c *iamClient) Get(ctx context.Context, resource string) (p *iampb.Policy, err error) {
return c.GetWithVersion(ctx, resource, 1)
}
func (c *iamClient) GetWithVersion(ctx context.Context, resource string, requestedPolicyVersion int32) (p *iampb.Policy, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/storage.IAM.Get")
defer func() { trace.EndSpan(ctx, err) }()
call := c.raw.Buckets.GetIamPolicy(resource).OptionsRequestedPolicyVersion(int64(requestedPolicyVersion))
setClientHeader(call.Header())
if c.userProject != "" {
call.UserProject(c.userProject)
}
var rp *raw.Policy
err = runWithRetry(ctx, func() error {
rp, err = call.Context(ctx).Do()
return err
})
if err != nil {
return nil, err
}
return iamFromStoragePolicy(rp), nil
}
func (c *iamClient) Set(ctx context.Context, resource string, p *iampb.Policy) (err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/storage.IAM.Set")
defer func() { trace.EndSpan(ctx, err) }()
rp := iamToStoragePolicy(p)
call := c.raw.Buckets.SetIamPolicy(resource, rp)
setClientHeader(call.Header())
if c.userProject != "" {
call.UserProject(c.userProject)
}
return runWithRetry(ctx, func() error {
_, err := call.Context(ctx).Do()
return err
})
}
func (c *iamClient) Test(ctx context.Context, resource string, perms []string) (permissions []string, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/storage.IAM.Test")
defer func() { trace.EndSpan(ctx, err) }()
call := c.raw.Buckets.TestIamPermissions(resource, perms)
setClientHeader(call.Header())
if c.userProject != "" {
call.UserProject(c.userProject)
}
var res *raw.TestIamPermissionsResponse
err = runWithRetry(ctx, func() error {
res, err = call.Context(ctx).Do()
return err
})
if err != nil {
return nil, err
}
return res.Permissions, nil
}
func iamToStoragePolicy(ip *iampb.Policy) *raw.Policy {
return &raw.Policy{
Bindings: iamToStorageBindings(ip.Bindings),
Etag: string(ip.Etag),
Version: int64(ip.Version),
}
}
func iamToStorageBindings(ibs []*iampb.Binding) []*raw.PolicyBindings {
var rbs []*raw.PolicyBindings
for _, ib := range ibs {
rbs = append(rbs, &raw.PolicyBindings{
Role: ib.Role,
Members: ib.Members,
Condition: iamToStorageCondition(ib.Condition),
})
}
return rbs
}
func iamToStorageCondition(exprpb *expr.Expr) *raw.Expr {
if exprpb == nil {
return nil
}
return &raw.Expr{
Expression: exprpb.Expression,
Description: exprpb.Description,
Location: exprpb.Location,
Title: exprpb.Title,
}
}
func iamFromStoragePolicy(rp *raw.Policy) *iampb.Policy {
return &iampb.Policy{
Bindings: iamFromStorageBindings(rp.Bindings),
Etag: []byte(rp.Etag),
}
}
func iamFromStorageBindings(rbs []*raw.PolicyBindings) []*iampb.Binding {
var ibs []*iampb.Binding
for _, rb := range rbs {
ibs = append(ibs, &iampb.Binding{
Role: rb.Role,
Members: rb.Members,
Condition: iamFromStorageCondition(rb.Condition),
})
}
return ibs
}
func iamFromStorageCondition(rawexpr *raw.Expr) *expr.Expr {
if rawexpr == nil {
return nil
}
return &expr.Expr{
Expression: rawexpr.Expression,
Description: rawexpr.Description,
Location: rawexpr.Location,
Title: rawexpr.Title,
}
}

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vendor/cloud.google.com/go/storage/invoke.go generated vendored Normal file
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// Copyright 2014 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package storage
import (
"context"
"cloud.google.com/go/internal"
gax "github.com/googleapis/gax-go/v2"
)
// runWithRetry calls the function until it returns nil or a non-retryable error, or
// the context is done.
func runWithRetry(ctx context.Context, call func() error) error {
return internal.Retry(ctx, gax.Backoff{}, func() (stop bool, err error) {
err = call()
if err == nil {
return true, nil
}
if shouldRetry(err) {
return false, nil
}
return true, err
})
}

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vendor/cloud.google.com/go/storage/not_go110.go generated vendored Normal file
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// Copyright 2017 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build !go1.10
package storage
import (
"net/url"
"strings"
"google.golang.org/api/googleapi"
)
func shouldRetry(err error) bool {
switch e := err.(type) {
case *googleapi.Error:
// Retry on 429 and 5xx, according to
// https://cloud.google.com/storage/docs/exponential-backoff.
return e.Code == 429 || (e.Code >= 500 && e.Code < 600)
case *url.Error:
// Retry on REFUSED_STREAM.
// Unfortunately the error type is unexported, so we resort to string
// matching.
return strings.Contains(e.Error(), "REFUSED_STREAM")
case interface{ Temporary() bool }:
return e.Temporary()
default:
return false
}
}

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vendor/cloud.google.com/go/storage/notifications.go generated vendored Normal file
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// Copyright 2017 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package storage
import (
"context"
"errors"
"fmt"
"regexp"
"cloud.google.com/go/internal/trace"
raw "google.golang.org/api/storage/v1"
)
// A Notification describes how to send Cloud PubSub messages when certain
// events occur in a bucket.
type Notification struct {
//The ID of the notification.
ID string
// The ID of the topic to which this subscription publishes.
TopicID string
// The ID of the project to which the topic belongs.
TopicProjectID string
// Only send notifications about listed event types. If empty, send notifications
// for all event types.
// See https://cloud.google.com/storage/docs/pubsub-notifications#events.
EventTypes []string
// If present, only apply this notification configuration to object names that
// begin with this prefix.
ObjectNamePrefix string
// An optional list of additional attributes to attach to each Cloud PubSub
// message published for this notification subscription.
CustomAttributes map[string]string
// The contents of the message payload.
// See https://cloud.google.com/storage/docs/pubsub-notifications#payload.
PayloadFormat string
}
// Values for Notification.PayloadFormat.
const (
// Send no payload with notification messages.
NoPayload = "NONE"
// Send object metadata as JSON with notification messages.
JSONPayload = "JSON_API_V1"
)
// Values for Notification.EventTypes.
const (
// Event that occurs when an object is successfully created.
ObjectFinalizeEvent = "OBJECT_FINALIZE"
// Event that occurs when the metadata of an existing object changes.
ObjectMetadataUpdateEvent = "OBJECT_METADATA_UPDATE"
// Event that occurs when an object is permanently deleted.
ObjectDeleteEvent = "OBJECT_DELETE"
// Event that occurs when the live version of an object becomes an
// archived version.
ObjectArchiveEvent = "OBJECT_ARCHIVE"
)
func toNotification(rn *raw.Notification) *Notification {
n := &Notification{
ID: rn.Id,
EventTypes: rn.EventTypes,
ObjectNamePrefix: rn.ObjectNamePrefix,
CustomAttributes: rn.CustomAttributes,
PayloadFormat: rn.PayloadFormat,
}
n.TopicProjectID, n.TopicID = parseNotificationTopic(rn.Topic)
return n
}
var topicRE = regexp.MustCompile("^//pubsub.googleapis.com/projects/([^/]+)/topics/([^/]+)")
// parseNotificationTopic extracts the project and topic IDs from from the full
// resource name returned by the service. If the name is malformed, it returns
// "?" for both IDs.
func parseNotificationTopic(nt string) (projectID, topicID string) {
matches := topicRE.FindStringSubmatch(nt)
if matches == nil {
return "?", "?"
}
return matches[1], matches[2]
}
func toRawNotification(n *Notification) *raw.Notification {
return &raw.Notification{
Id: n.ID,
Topic: fmt.Sprintf("//pubsub.googleapis.com/projects/%s/topics/%s",
n.TopicProjectID, n.TopicID),
EventTypes: n.EventTypes,
ObjectNamePrefix: n.ObjectNamePrefix,
CustomAttributes: n.CustomAttributes,
PayloadFormat: string(n.PayloadFormat),
}
}
// AddNotification adds a notification to b. You must set n's TopicProjectID, TopicID
// and PayloadFormat, and must not set its ID. The other fields are all optional. The
// returned Notification's ID can be used to refer to it.
func (b *BucketHandle) AddNotification(ctx context.Context, n *Notification) (ret *Notification, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/storage.Bucket.AddNotification")
defer func() { trace.EndSpan(ctx, err) }()
if n.ID != "" {
return nil, errors.New("storage: AddNotification: ID must not be set")
}
if n.TopicProjectID == "" {
return nil, errors.New("storage: AddNotification: missing TopicProjectID")
}
if n.TopicID == "" {
return nil, errors.New("storage: AddNotification: missing TopicID")
}
call := b.c.raw.Notifications.Insert(b.name, toRawNotification(n))
setClientHeader(call.Header())
if b.userProject != "" {
call.UserProject(b.userProject)
}
rn, err := call.Context(ctx).Do()
if err != nil {
return nil, err
}
return toNotification(rn), nil
}
// Notifications returns all the Notifications configured for this bucket, as a map
// indexed by notification ID.
func (b *BucketHandle) Notifications(ctx context.Context) (n map[string]*Notification, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/storage.Bucket.Notifications")
defer func() { trace.EndSpan(ctx, err) }()
call := b.c.raw.Notifications.List(b.name)
setClientHeader(call.Header())
if b.userProject != "" {
call.UserProject(b.userProject)
}
var res *raw.Notifications
err = runWithRetry(ctx, func() error {
res, err = call.Context(ctx).Do()
return err
})
if err != nil {
return nil, err
}
return notificationsToMap(res.Items), nil
}
func notificationsToMap(rns []*raw.Notification) map[string]*Notification {
m := map[string]*Notification{}
for _, rn := range rns {
m[rn.Id] = toNotification(rn)
}
return m
}
// DeleteNotification deletes the notification with the given ID.
func (b *BucketHandle) DeleteNotification(ctx context.Context, id string) (err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/storage.Bucket.DeleteNotification")
defer func() { trace.EndSpan(ctx, err) }()
call := b.c.raw.Notifications.Delete(b.name, id)
setClientHeader(call.Header())
if b.userProject != "" {
call.UserProject(b.userProject)
}
return call.Context(ctx).Do()
}

377
vendor/cloud.google.com/go/storage/post_policy_v4.go generated vendored Normal file
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// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package storage
import (
"crypto"
"crypto/rand"
"crypto/rsa"
"crypto/sha256"
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"net/url"
"strings"
"time"
)
// PostPolicyV4Options are used to construct a signed post policy.
// Please see https://cloud.google.com/storage/docs/xml-api/post-object
// for reference about the fields.
type PostPolicyV4Options struct {
// GoogleAccessID represents the authorizer of the signed URL generation.
// It is typically the Google service account client email address from
// the Google Developers Console in the form of "xxx@developer.gserviceaccount.com".
// Required.
GoogleAccessID string
// PrivateKey is the Google service account private key. It is obtainable
// from the Google Developers Console.
// At https://console.developers.google.com/project/<your-project-id>/apiui/credential,
// create a service account client ID or reuse one of your existing service account
// credentials. Click on the "Generate new P12 key" to generate and download
// a new private key. Once you download the P12 file, use the following command
// to convert it into a PEM file.
//
// $ openssl pkcs12 -in key.p12 -passin pass:notasecret -out key.pem -nodes
//
// Provide the contents of the PEM file as a byte slice.
// Exactly one of PrivateKey or SignBytes must be non-nil.
PrivateKey []byte
// SignBytes is a function for implementing custom signing. For example, if
// your application is running on Google App Engine, you can use
// appengine's internal signing function:
// ctx := appengine.NewContext(request)
// acc, _ := appengine.ServiceAccount(ctx)
// url, err := SignedURL("bucket", "object", &SignedURLOptions{
// GoogleAccessID: acc,
// SignBytes: func(b []byte) ([]byte, error) {
// _, signedBytes, err := appengine.SignBytes(ctx, b)
// return signedBytes, err
// },
// // etc.
// })
//
// Exactly one of PrivateKey or SignBytes must be non-nil.
SignBytes func(hashBytes []byte) (signature []byte, err error)
// Expires is the expiration time on the signed URL.
// It must be a time in the future.
// Required.
Expires time.Time
// Style provides options for the type of URL to use. Options are
// PathStyle (default), BucketBoundHostname, and VirtualHostedStyle. See
// https://cloud.google.com/storage/docs/request-endpoints for details.
// Optional.
Style URLStyle
// Insecure when set indicates that the generated URL's scheme
// will use "http" instead of "https" (default).
// Optional.
Insecure bool
// Fields specifies the attributes of a PostPolicyV4 request.
// When Fields is non-nil, its attributes must match those that will
// passed into field Conditions.
// Optional.
Fields *PolicyV4Fields
// The conditions that the uploaded file will be expected to conform to.
// When used, the failure of an upload to satisfy a condition will result in
// a 4XX status code, back with the message describing the problem.
// Optional.
Conditions []PostPolicyV4Condition
}
// PolicyV4Fields describes the attributes for a PostPolicyV4 request.
type PolicyV4Fields struct {
// ACL specifies the access control permissions for the object.
// Optional.
ACL string
// CacheControl specifies the caching directives for the object.
// Optional.
CacheControl string
// ContentType specifies the media type of the object.
// Optional.
ContentType string
// ContentDisposition specifies how the file will be served back to requesters.
// Optional.
ContentDisposition string
// ContentEncoding specifies the decompressive transcoding that the object.
// This field is complementary to ContentType in that the file could be
// compressed but ContentType specifies the file's original media type.
// Optional.
ContentEncoding string
// Metadata specifies custom metadata for the object.
// If any key doesn't begin with "x-goog-meta-", an error will be returned.
// Optional.
Metadata map[string]string
// StatusCodeOnSuccess when set, specifies the status code that Cloud Storage
// will serve back on successful upload of the object.
// Optional.
StatusCodeOnSuccess int
// RedirectToURLOnSuccess when set, specifies the URL that Cloud Storage
// will serve back on successful upload of the object.
// Optional.
RedirectToURLOnSuccess string
}
// PostPolicyV4 describes the URL and respective form fields for a generated PostPolicyV4 request.
type PostPolicyV4 struct {
// URL is the generated URL that the file upload will be made to.
URL string
// Fields specifies the generated key-values that the file uploader
// must include in their multipart upload form.
Fields map[string]string
}
// PostPolicyV4Condition describes the constraints that the subsequent
// object upload's multipart form fields will be expected to conform to.
type PostPolicyV4Condition interface {
isEmpty() bool
json.Marshaler
}
type startsWith struct {
key, value string
}
func (sw *startsWith) MarshalJSON() ([]byte, error) {
return json.Marshal([]string{"starts-with", sw.key, sw.value})
}
func (sw *startsWith) isEmpty() bool {
return sw.value == ""
}
// ConditionStartsWith checks that an attributes starts with value.
// An empty value will cause this condition to be ignored.
func ConditionStartsWith(key, value string) PostPolicyV4Condition {
return &startsWith{key, value}
}
type contentLengthRangeCondition struct {
start, end uint64
}
func (clr *contentLengthRangeCondition) MarshalJSON() ([]byte, error) {
return json.Marshal([]interface{}{"content-length-range", clr.start, clr.end})
}
func (clr *contentLengthRangeCondition) isEmpty() bool {
return clr.start == 0 && clr.end == 0
}
type singleValueCondition struct {
name, value string
}
func (svc *singleValueCondition) MarshalJSON() ([]byte, error) {
return json.Marshal(map[string]string{svc.name: svc.value})
}
func (svc *singleValueCondition) isEmpty() bool {
return svc.value == ""
}
// ConditionContentLengthRange constraints the limits that the
// multipart upload's range header will be expected to be within.
func ConditionContentLengthRange(start, end uint64) PostPolicyV4Condition {
return &contentLengthRangeCondition{start, end}
}
func conditionRedirectToURLOnSuccess(redirectURL string) PostPolicyV4Condition {
return &singleValueCondition{"success_action_redirect", redirectURL}
}
func conditionStatusCodeOnSuccess(statusCode int) PostPolicyV4Condition {
svc := &singleValueCondition{name: "success_action_status"}
if statusCode > 0 {
svc.value = fmt.Sprintf("%d", statusCode)
}
return svc
}
// GenerateSignedPostPolicyV4 generates a PostPolicyV4 value from bucket, object and opts.
// The generated URL and fields will then allow an unauthenticated client to perform multipart uploads.
func GenerateSignedPostPolicyV4(bucket, object string, opts *PostPolicyV4Options) (*PostPolicyV4, error) {
if bucket == "" {
return nil, errors.New("storage: bucket must be non-empty")
}
if object == "" {
return nil, errors.New("storage: object must be non-empty")
}
now := utcNow()
if err := validatePostPolicyV4Options(opts, now); err != nil {
return nil, err
}
var signingFn func(hashedBytes []byte) ([]byte, error)
switch {
case opts.SignBytes != nil:
signingFn = opts.SignBytes
case len(opts.PrivateKey) != 0:
parsedRSAPrivKey, err := parseKey(opts.PrivateKey)
if err != nil {
return nil, err
}
signingFn = func(hashedBytes []byte) ([]byte, error) {
return rsa.SignPKCS1v15(rand.Reader, parsedRSAPrivKey, crypto.SHA256, hashedBytes)
}
default:
return nil, errors.New("storage: exactly one of PrivateKey or SignedBytes must be set")
}
var descFields PolicyV4Fields
if opts.Fields != nil {
descFields = *opts.Fields
}
if err := validateMetadata(descFields.Metadata); err != nil {
return nil, err
}
// Build the policy.
conds := make([]PostPolicyV4Condition, len(opts.Conditions))
copy(conds, opts.Conditions)
conds = append(conds,
conditionRedirectToURLOnSuccess(descFields.RedirectToURLOnSuccess),
conditionStatusCodeOnSuccess(descFields.StatusCodeOnSuccess),
&singleValueCondition{"acl", descFields.ACL},
&singleValueCondition{"cache-control", descFields.CacheControl},
)
YYYYMMDD := now.Format(yearMonthDay)
policyFields := map[string]string{
"key": object,
"x-goog-date": now.Format(iso8601),
"x-goog-credential": opts.GoogleAccessID + "/" + YYYYMMDD + "/auto/storage/goog4_request",
"x-goog-algorithm": "GOOG4-RSA-SHA256",
"success_action_redirect": descFields.RedirectToURLOnSuccess,
"acl": descFields.ACL,
}
for key, value := range descFields.Metadata {
conds = append(conds, &singleValueCondition{key, value})
policyFields[key] = value
}
// Following from the order expected by the conformance test cases,
// hence manually inserting these fields in a specific order.
conds = append(conds,
&singleValueCondition{"bucket", bucket},
&singleValueCondition{"key", object},
&singleValueCondition{"x-goog-date", now.Format(iso8601)},
&singleValueCondition{
name: "x-goog-credential",
value: opts.GoogleAccessID + "/" + YYYYMMDD + "/auto/storage/goog4_request",
},
&singleValueCondition{"x-goog-algorithm", "GOOG4-RSA-SHA256"},
)
nonEmptyConds := make([]PostPolicyV4Condition, 0, len(opts.Conditions))
for _, cond := range conds {
if cond == nil || !cond.isEmpty() {
nonEmptyConds = append(nonEmptyConds, cond)
}
}
condsAsJSON, err := json.Marshal(map[string]interface{}{
"conditions": nonEmptyConds,
"expiration": opts.Expires.Format(time.RFC3339),
})
if err != nil {
return nil, fmt.Errorf("storage: PostPolicyV4 JSON serialization failed: %v", err)
}
b64Policy := base64.StdEncoding.EncodeToString(condsAsJSON)
shaSum := sha256.Sum256([]byte(b64Policy))
signature, err := signingFn(shaSum[:])
if err != nil {
return nil, err
}
policyFields["policy"] = b64Policy
policyFields["x-goog-signature"] = fmt.Sprintf("%x", signature)
// Construct the URL.
scheme := "https"
if opts.Insecure {
scheme = "http"
}
path := opts.Style.path(bucket, "") + "/"
u := &url.URL{
Path: path,
RawPath: pathEncodeV4(path),
Host: opts.Style.host(bucket),
Scheme: scheme,
}
if descFields.StatusCodeOnSuccess > 0 {
policyFields["success_action_status"] = fmt.Sprintf("%d", descFields.StatusCodeOnSuccess)
}
// Clear out fields with blanks values.
for key, value := range policyFields {
if value == "" {
delete(policyFields, key)
}
}
pp4 := &PostPolicyV4{
Fields: policyFields,
URL: u.String(),
}
return pp4, nil
}
// validatePostPolicyV4Options checks that:
// * GoogleAccessID is set
// * either but not both PrivateKey and SignBytes are set or nil, but not both
// * Expires, the deadline is not in the past
// * if Style is not set, it'll use PathStyle
func validatePostPolicyV4Options(opts *PostPolicyV4Options, now time.Time) error {
if opts == nil || opts.GoogleAccessID == "" {
return errors.New("storage: missing required GoogleAccessID")
}
if privBlank, signBlank := len(opts.PrivateKey) == 0, opts.SignBytes == nil; privBlank == signBlank {
return errors.New("storage: exactly one of PrivateKey or SignedBytes must be set")
}
if opts.Expires.Before(now) {
return errors.New("storage: expecting Expires to be in the future")
}
if opts.Style == nil {
opts.Style = PathStyle()
}
return nil
}
// validateMetadata ensures that all keys passed in have a prefix of "x-goog-meta-",
// otherwise it will return an error.
func validateMetadata(hdrs map[string]string) (err error) {
if len(hdrs) == 0 {
return nil
}
badKeys := make([]string, 0, len(hdrs))
for key := range hdrs {
if !strings.HasPrefix(key, "x-goog-meta-") {
badKeys = append(badKeys, key)
}
}
if len(badKeys) != 0 {
err = errors.New("storage: expected metadata to begin with x-goog-meta-, got " + strings.Join(badKeys, ", "))
}
return
}

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// Copyright 2016 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package storage
import (
"context"
"errors"
"fmt"
"hash/crc32"
"io"
"io/ioutil"
"net/http"
"net/url"
"reflect"
"strconv"
"strings"
"time"
"cloud.google.com/go/internal/trace"
"google.golang.org/api/googleapi"
)
var crc32cTable = crc32.MakeTable(crc32.Castagnoli)
// ReaderObjectAttrs are attributes about the object being read. These are populated
// during the New call. This struct only holds a subset of object attributes: to
// get the full set of attributes, use ObjectHandle.Attrs.
//
// Each field is read-only.
type ReaderObjectAttrs struct {
// Size is the length of the object's content.
Size int64
// StartOffset is the byte offset within the object
// from which reading begins.
// This value is only non-zero for range requests.
StartOffset int64
// ContentType is the MIME type of the object's content.
ContentType string
// ContentEncoding is the encoding of the object's content.
ContentEncoding string
// CacheControl specifies whether and for how long browser and Internet
// caches are allowed to cache your objects.
CacheControl string
// LastModified is the time that the object was last modified.
LastModified time.Time
// Generation is the generation number of the object's content.
Generation int64
// Metageneration is the version of the metadata for this object at
// this generation. This field is used for preconditions and for
// detecting changes in metadata. A metageneration number is only
// meaningful in the context of a particular generation of a
// particular object.
Metageneration int64
}
// NewReader creates a new Reader to read the contents of the
// object.
// ErrObjectNotExist will be returned if the object is not found.
//
// The caller must call Close on the returned Reader when done reading.
func (o *ObjectHandle) NewReader(ctx context.Context) (*Reader, error) {
return o.NewRangeReader(ctx, 0, -1)
}
// NewRangeReader reads part of an object, reading at most length bytes
// starting at the given offset. If length is negative, the object is read
// until the end. If offset is negative, the object is read abs(offset) bytes
// from the end, and length must also be negative to indicate all remaining
// bytes will be read.
//
// If the object's metadata property "Content-Encoding" is set to "gzip" or satisfies
// decompressive transcoding per https://cloud.google.com/storage/docs/transcoding
// that file will be served back whole, regardless of the requested range as
// Google Cloud Storage dictates.
func (o *ObjectHandle) NewRangeReader(ctx context.Context, offset, length int64) (r *Reader, err error) {
ctx = trace.StartSpan(ctx, "cloud.google.com/go/storage.Object.NewRangeReader")
defer func() { trace.EndSpan(ctx, err) }()
if err := o.validate(); err != nil {
return nil, err
}
if offset < 0 && length >= 0 {
return nil, fmt.Errorf("storage: invalid offset %d < 0 requires negative length", offset)
}
if o.conds != nil {
if err := o.conds.validate("NewRangeReader"); err != nil {
return nil, err
}
}
u := &url.URL{
Scheme: o.c.scheme,
Host: o.c.readHost,
Path: fmt.Sprintf("/%s/%s", o.bucket, o.object),
}
verb := "GET"
if length == 0 {
verb = "HEAD"
}
req, err := http.NewRequest(verb, u.String(), nil)
if err != nil {
return nil, err
}
req = req.WithContext(ctx)
if o.userProject != "" {
req.Header.Set("X-Goog-User-Project", o.userProject)
}
if o.readCompressed {
req.Header.Set("Accept-Encoding", "gzip")
}
if err := setEncryptionHeaders(req.Header, o.encryptionKey, false); err != nil {
return nil, err
}
gen := o.gen
// Define a function that initiates a Read with offset and length, assuming we
// have already read seen bytes.
reopen := func(seen int64) (*http.Response, error) {
start := offset + seen
if length < 0 && start < 0 {
req.Header.Set("Range", fmt.Sprintf("bytes=%d", start))
} else if length < 0 && start > 0 {
req.Header.Set("Range", fmt.Sprintf("bytes=%d-", start))
} else if length > 0 {
// The end character isn't affected by how many bytes we've seen.
req.Header.Set("Range", fmt.Sprintf("bytes=%d-%d", start, offset+length-1))
}
// We wait to assign conditions here because the generation number can change in between reopen() runs.
req.URL.RawQuery = conditionsQuery(gen, o.conds)
var res *http.Response
err = runWithRetry(ctx, func() error {
res, err = o.c.hc.Do(req)
if err != nil {
return err
}
if res.StatusCode == http.StatusNotFound {
res.Body.Close()
return ErrObjectNotExist
}
if res.StatusCode < 200 || res.StatusCode > 299 {
body, _ := ioutil.ReadAll(res.Body)
res.Body.Close()
return &googleapi.Error{
Code: res.StatusCode,
Header: res.Header,
Body: string(body),
}
}
partialContentNotSatisfied :=
!decompressiveTranscoding(res) &&
start > 0 && length != 0 &&
res.StatusCode != http.StatusPartialContent
if partialContentNotSatisfied {
res.Body.Close()
return errors.New("storage: partial request not satisfied")
}
// With "Content-Encoding": "gzip" aka decompressive transcoding, GCS serves
// back the whole file regardless of the range count passed in as per:
// https://cloud.google.com/storage/docs/transcoding#range,
// thus we have to manually move the body forward by seen bytes.
if decompressiveTranscoding(res) && seen > 0 {
_, _ = io.CopyN(ioutil.Discard, res.Body, seen)
}
// If a generation hasn't been specified, and this is the first response we get, let's record the
// generation. In future requests we'll use this generation as a precondition to avoid data races.
if gen < 0 && res.Header.Get("X-Goog-Generation") != "" {
gen64, err := strconv.ParseInt(res.Header.Get("X-Goog-Generation"), 10, 64)
if err != nil {
return err
}
gen = gen64
}
return nil
})
if err != nil {
return nil, err
}
return res, nil
}
res, err := reopen(0)
if err != nil {
return nil, err
}
var (
size int64 // total size of object, even if a range was requested.
checkCRC bool
crc uint32
startOffset int64 // non-zero if range request.
)
if res.StatusCode == http.StatusPartialContent {
cr := strings.TrimSpace(res.Header.Get("Content-Range"))
if !strings.HasPrefix(cr, "bytes ") || !strings.Contains(cr, "/") {
return nil, fmt.Errorf("storage: invalid Content-Range %q", cr)
}
size, err = strconv.ParseInt(cr[strings.LastIndex(cr, "/")+1:], 10, 64)
if err != nil {
return nil, fmt.Errorf("storage: invalid Content-Range %q", cr)
}
dashIndex := strings.Index(cr, "-")
if dashIndex >= 0 {
startOffset, err = strconv.ParseInt(cr[len("bytes="):dashIndex], 10, 64)
if err != nil {
return nil, fmt.Errorf("storage: invalid Content-Range %q: %v", cr, err)
}
}
} else {
size = res.ContentLength
// Check the CRC iff all of the following hold:
// - We asked for content (length != 0).
// - We got all the content (status != PartialContent).
// - The server sent a CRC header.
// - The Go http stack did not uncompress the file.
// - We were not served compressed data that was uncompressed on download.
// The problem with the last two cases is that the CRC will not match -- GCS
// computes it on the compressed contents, but we compute it on the
// uncompressed contents.
if length != 0 && !res.Uncompressed && !uncompressedByServer(res) {
crc, checkCRC = parseCRC32c(res)
}
}
remain := res.ContentLength
body := res.Body
if length == 0 {
remain = 0
body.Close()
body = emptyBody
}
var metaGen int64
if res.Header.Get("X-Goog-Metageneration") != "" {
metaGen, err = strconv.ParseInt(res.Header.Get("X-Goog-Metageneration"), 10, 64)
if err != nil {
return nil, err
}
}
var lm time.Time
if res.Header.Get("Last-Modified") != "" {
lm, err = http.ParseTime(res.Header.Get("Last-Modified"))
if err != nil {
return nil, err
}
}
attrs := ReaderObjectAttrs{
Size: size,
ContentType: res.Header.Get("Content-Type"),
ContentEncoding: res.Header.Get("Content-Encoding"),
CacheControl: res.Header.Get("Cache-Control"),
LastModified: lm,
StartOffset: startOffset,
Generation: gen,
Metageneration: metaGen,
}
return &Reader{
Attrs: attrs,
body: body,
size: size,
remain: remain,
wantCRC: crc,
checkCRC: checkCRC,
reopen: reopen,
}, nil
}
// decompressiveTranscoding returns true if the request was served decompressed
// and different than its original storage form. This happens when the "Content-Encoding"
// header is "gzip".
// See:
// * https://cloud.google.com/storage/docs/transcoding#transcoding_and_gzip
// * https://github.com/googleapis/google-cloud-go/issues/1800
func decompressiveTranscoding(res *http.Response) bool {
// Decompressive Transcoding.
return res.Header.Get("Content-Encoding") == "gzip" ||
res.Header.Get("X-Goog-Stored-Content-Encoding") == "gzip"
}
func uncompressedByServer(res *http.Response) bool {
// If the data is stored as gzip but is not encoded as gzip, then it
// was uncompressed by the server.
return res.Header.Get("X-Goog-Stored-Content-Encoding") == "gzip" &&
res.Header.Get("Content-Encoding") != "gzip"
}
func parseCRC32c(res *http.Response) (uint32, bool) {
const prefix = "crc32c="
for _, spec := range res.Header["X-Goog-Hash"] {
if strings.HasPrefix(spec, prefix) {
c, err := decodeUint32(spec[len(prefix):])
if err == nil {
return c, true
}
}
}
return 0, false
}
var emptyBody = ioutil.NopCloser(strings.NewReader(""))
// Reader reads a Cloud Storage object.
// It implements io.Reader.
//
// Typically, a Reader computes the CRC of the downloaded content and compares it to
// the stored CRC, returning an error from Read if there is a mismatch. This integrity check
// is skipped if transcoding occurs. See https://cloud.google.com/storage/docs/transcoding.
type Reader struct {
Attrs ReaderObjectAttrs
body io.ReadCloser
seen, remain, size int64
checkCRC bool // should we check the CRC?
wantCRC uint32 // the CRC32c value the server sent in the header
gotCRC uint32 // running crc
reopen func(seen int64) (*http.Response, error)
}
// Close closes the Reader. It must be called when done reading.
func (r *Reader) Close() error {
return r.body.Close()
}
func (r *Reader) Read(p []byte) (int, error) {
n, err := r.readWithRetry(p)
if r.remain != -1 {
r.remain -= int64(n)
}
if r.checkCRC {
r.gotCRC = crc32.Update(r.gotCRC, crc32cTable, p[:n])
// Check CRC here. It would be natural to check it in Close, but
// everybody defers Close on the assumption that it doesn't return
// anything worth looking at.
if err == io.EOF {
if r.gotCRC != r.wantCRC {
return n, fmt.Errorf("storage: bad CRC on read: got %d, want %d",
r.gotCRC, r.wantCRC)
}
}
}
return n, err
}
func (r *Reader) readWithRetry(p []byte) (int, error) {
n := 0
for len(p[n:]) > 0 {
m, err := r.body.Read(p[n:])
n += m
r.seen += int64(m)
if !shouldRetryRead(err) {
return n, err
}
// Read failed, but we will try again. Send a ranged read request that takes
// into account the number of bytes we've already seen.
res, err := r.reopen(r.seen)
if err != nil {
// reopen already retries
return n, err
}
r.body.Close()
r.body = res.Body
}
return n, nil
}
func shouldRetryRead(err error) bool {
if err == nil {
return false
}
return strings.HasSuffix(err.Error(), "INTERNAL_ERROR") && strings.Contains(reflect.TypeOf(err).String(), "http2")
}
// Size returns the size of the object in bytes.
// The returned value is always the same and is not affected by
// calls to Read or Close.
//
// Deprecated: use Reader.Attrs.Size.
func (r *Reader) Size() int64 {
return r.Attrs.Size
}
// Remain returns the number of bytes left to read, or -1 if unknown.
func (r *Reader) Remain() int64 {
return r.remain
}
// ContentType returns the content type of the object.
//
// Deprecated: use Reader.Attrs.ContentType.
func (r *Reader) ContentType() string {
return r.Attrs.ContentType
}
// ContentEncoding returns the content encoding of the object.
//
// Deprecated: use Reader.Attrs.ContentEncoding.
func (r *Reader) ContentEncoding() string {
return r.Attrs.ContentEncoding
}
// CacheControl returns the cache control of the object.
//
// Deprecated: use Reader.Attrs.CacheControl.
func (r *Reader) CacheControl() string {
return r.Attrs.CacheControl
}
// LastModified returns the value of the Last-Modified header.
//
// Deprecated: use Reader.Attrs.LastModified.
func (r *Reader) LastModified() (time.Time, error) {
return r.Attrs.LastModified, nil
}

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// Copyright 2014 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package storage
import (
"context"
"encoding/base64"
"errors"
"fmt"
"io"
"sync"
"unicode/utf8"
"google.golang.org/api/googleapi"
raw "google.golang.org/api/storage/v1"
)
// A Writer writes a Cloud Storage object.
type Writer struct {
// ObjectAttrs are optional attributes to set on the object. Any attributes
// must be initialized before the first Write call. Nil or zero-valued
// attributes are ignored.
ObjectAttrs
// SendCRC specifies whether to transmit a CRC32C field. It should be set
// to true in addition to setting the Writer's CRC32C field, because zero
// is a valid CRC and normally a zero would not be transmitted.
// If a CRC32C is sent, and the data written does not match the checksum,
// the write will be rejected.
SendCRC32C bool
// ChunkSize controls the maximum number of bytes of the object that the
// Writer will attempt to send to the server in a single request. Objects
// smaller than the size will be sent in a single request, while larger
// objects will be split over multiple requests. The size will be rounded up
// to the nearest multiple of 256K.
//
// ChunkSize will default to a reasonable value. If you perform many
// concurrent writes of small objects (under ~8MB), you may wish set ChunkSize
// to a value that matches your objects' sizes to avoid consuming large
// amounts of memory. See
// https://cloud.google.com/storage/docs/json_api/v1/how-tos/upload#size
// for more information about performance trade-offs related to ChunkSize.
//
// If ChunkSize is set to zero, chunking will be disabled and the object will
// be uploaded in a single request without the use of a buffer. This will
// further reduce memory used during uploads, but will also prevent the writer
// from retrying in case of a transient error from the server, since a buffer
// is required in order to retry the failed request.
//
// ChunkSize must be set before the first Write call.
ChunkSize int
// ProgressFunc can be used to monitor the progress of a large write.
// operation. If ProgressFunc is not nil and writing requires multiple
// calls to the underlying service (see
// https://cloud.google.com/storage/docs/json_api/v1/how-tos/resumable-upload),
// then ProgressFunc will be invoked after each call with the number of bytes of
// content copied so far.
//
// ProgressFunc should return quickly without blocking.
ProgressFunc func(int64)
ctx context.Context
o *ObjectHandle
opened bool
pw *io.PipeWriter
donec chan struct{} // closed after err and obj are set.
obj *ObjectAttrs
mu sync.Mutex
err error
}
func (w *Writer) open() error {
attrs := w.ObjectAttrs
// Check the developer didn't change the object Name (this is unfortunate, but
// we don't want to store an object under the wrong name).
if attrs.Name != w.o.object {
return fmt.Errorf("storage: Writer.Name %q does not match object name %q", attrs.Name, w.o.object)
}
if !utf8.ValidString(attrs.Name) {
return fmt.Errorf("storage: object name %q is not valid UTF-8", attrs.Name)
}
if attrs.KMSKeyName != "" && w.o.encryptionKey != nil {
return errors.New("storage: cannot use KMSKeyName with a customer-supplied encryption key")
}
pr, pw := io.Pipe()
w.pw = pw
w.opened = true
go w.monitorCancel()
if w.ChunkSize < 0 {
return errors.New("storage: Writer.ChunkSize must be non-negative")
}
mediaOpts := []googleapi.MediaOption{
googleapi.ChunkSize(w.ChunkSize),
}
if c := attrs.ContentType; c != "" {
mediaOpts = append(mediaOpts, googleapi.ContentType(c))
}
go func() {
defer close(w.donec)
rawObj := attrs.toRawObject(w.o.bucket)
if w.SendCRC32C {
rawObj.Crc32c = encodeUint32(attrs.CRC32C)
}
if w.MD5 != nil {
rawObj.Md5Hash = base64.StdEncoding.EncodeToString(w.MD5)
}
if w.o.c.envHost != "" {
w.o.c.raw.BasePath = fmt.Sprintf("%s://%s", w.o.c.scheme, w.o.c.envHost)
}
call := w.o.c.raw.Objects.Insert(w.o.bucket, rawObj).
Media(pr, mediaOpts...).
Projection("full").
Context(w.ctx).
Name(w.o.object)
if w.ProgressFunc != nil {
call.ProgressUpdater(func(n, _ int64) { w.ProgressFunc(n) })
}
if attrs.KMSKeyName != "" {
call.KmsKeyName(attrs.KMSKeyName)
}
if attrs.PredefinedACL != "" {
call.PredefinedAcl(attrs.PredefinedACL)
}
if err := setEncryptionHeaders(call.Header(), w.o.encryptionKey, false); err != nil {
w.mu.Lock()
w.err = err
w.mu.Unlock()
pr.CloseWithError(err)
return
}
var resp *raw.Object
err := applyConds("NewWriter", w.o.gen, w.o.conds, call)
if err == nil {
if w.o.userProject != "" {
call.UserProject(w.o.userProject)
}
setClientHeader(call.Header())
// The internals that perform call.Do automatically retry both the initial
// call to set up the upload as well as calls to upload individual chunks
// for a resumable upload (as long as the chunk size is non-zero). Hence
// there is no need to add retries here.
resp, err = call.Do()
}
if err != nil {
w.mu.Lock()
w.err = err
w.mu.Unlock()
pr.CloseWithError(err)
return
}
w.obj = newObject(resp)
}()
return nil
}
// Write appends to w. It implements the io.Writer interface.
//
// Since writes happen asynchronously, Write may return a nil
// error even though the write failed (or will fail). Always
// use the error returned from Writer.Close to determine if
// the upload was successful.
//
// Writes will be retried on transient errors from the server, unless
// Writer.ChunkSize has been set to zero.
func (w *Writer) Write(p []byte) (n int, err error) {
w.mu.Lock()
werr := w.err
w.mu.Unlock()
if werr != nil {
return 0, werr
}
if !w.opened {
if err := w.open(); err != nil {
return 0, err
}
}
n, err = w.pw.Write(p)
if err != nil {
w.mu.Lock()
werr := w.err
w.mu.Unlock()
// Preserve existing functionality that when context is canceled, Write will return
// context.Canceled instead of "io: read/write on closed pipe". This hides the
// pipe implementation detail from users and makes Write seem as though it's an RPC.
if werr == context.Canceled || werr == context.DeadlineExceeded {
return n, werr
}
}
return n, err
}
// Close completes the write operation and flushes any buffered data.
// If Close doesn't return an error, metadata about the written object
// can be retrieved by calling Attrs.
func (w *Writer) Close() error {
if !w.opened {
if err := w.open(); err != nil {
return err
}
}
// Closing either the read or write causes the entire pipe to close.
if err := w.pw.Close(); err != nil {
return err
}
<-w.donec
w.mu.Lock()
defer w.mu.Unlock()
return w.err
}
// monitorCancel is intended to be used as a background goroutine. It monitors the
// context, and when it observes that the context has been canceled, it manually
// closes things that do not take a context.
func (w *Writer) monitorCancel() {
select {
case <-w.ctx.Done():
w.mu.Lock()
werr := w.ctx.Err()
w.err = werr
w.mu.Unlock()
// Closing either the read or write causes the entire pipe to close.
w.CloseWithError(werr)
case <-w.donec:
}
}
// CloseWithError aborts the write operation with the provided error.
// CloseWithError always returns nil.
//
// Deprecated: cancel the context passed to NewWriter instead.
func (w *Writer) CloseWithError(err error) error {
if !w.opened {
return nil
}
return w.pw.CloseWithError(err)
}
// Attrs returns metadata about a successfully-written object.
// It's only valid to call it after Close returns nil.
func (w *Writer) Attrs() *ObjectAttrs {
return w.obj
}

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# Testing Code that depends on Go Client Libraries
The Go client libraries generated as a part of `cloud.google.com/go` all take
the approach of returning concrete types instead of interfaces. That way, new
fields and methods can be added to the libraries without breaking users. This
document will go over some patterns that can be used to test code that depends
on the Go client libraries.
## Testing gRPC services using fakes
*Note*: You can see the full
[example code using a fake here](https://github.com/googleapis/google-cloud-go/tree/master/internal/examples/fake).
The clients found in `cloud.google.com/go` are gRPC based, with a couple of
notable exceptions being the [`storage`](https://pkg.go.dev/cloud.google.com/go/storage)
and [`bigquery`](https://pkg.go.dev/cloud.google.com/go/bigquery) clients.
Interactions with gRPC services can be faked by serving up your own in-memory
server within your test. One benefit of using this approach is that you don’t
need to define an interface in your runtime code; you can keep using
concrete struct types. You instead define a fake server in your test code. For
example, take a look at the following function:
```go
import (
"context"
"fmt"
"log"
"os"
translate "cloud.google.com/go/translate/apiv3"
"github.com/googleapis/gax-go/v2"
translatepb "google.golang.org/genproto/googleapis/cloud/translate/v3"
)
func TranslateTextWithConcreteClient(client *translate.TranslationClient, text string, targetLang string) (string, error) {
ctx := context.Background()
log.Printf("Translating %q to %q", text, targetLang)
req := &translatepb.TranslateTextRequest{
Parent: fmt.Sprintf("projects/%s/locations/global", os.Getenv("GOOGLE_CLOUD_PROJECT")),
TargetLanguageCode: "en-US",
Contents: []string{text},
}
resp, err := client.TranslateText(ctx, req)
if err != nil {
return "", fmt.Errorf("unable to translate text: %v", err)
}
translations := resp.GetTranslations()
if len(translations) != 1 {
return "", fmt.Errorf("expected only one result, got %d", len(translations))
}
return translations[0].TranslatedText, nil
}
```
Here is an example of what a fake server implementation would look like for
faking the interactions above:
```go
import (
"context"
translatepb "google.golang.org/genproto/googleapis/cloud/translate/v3"
)
type fakeTranslationServer struct {
translatepb.UnimplementedTranslationServiceServer
}
func (f *fakeTranslationServer) TranslateText(ctx context.Context, req *translatepb.TranslateTextRequest) (*translatepb.TranslateTextResponse, error) {
resp := &translatepb.TranslateTextResponse{
Translations: []*translatepb.Translation{
&translatepb.Translation{
TranslatedText: "Hello World",
},
},
}
return resp, nil
}
```
All of the generated protobuf code found in [google.golang.org/genproto](https://pkg.go.dev/google.golang.org/genproto)
contains a similar `package.UnimplmentedFooServer` type that is useful for
creating fakes. By embedding the unimplemented server in the
`fakeTranslationServer`, the fake will “inherit” all of the RPCs the server
exposes. Then, by providing our own `fakeTranslationServer.TranslateText`
method you can “override” the default unimplemented behavior of the one RPC that
you would like to be faked.
The test itself does require a little bit of setup: start up a `net.Listener`,
register the server, and tell the client library to call the server:
```go
import (
"context"
"net"
"testing"
translate "cloud.google.com/go/translate/apiv3"
"google.golang.org/api/option"
translatepb "google.golang.org/genproto/googleapis/cloud/translate/v3"
"google.golang.org/grpc"
)
func TestTranslateTextWithConcreteClient(t *testing.T) {
ctx := context.Background()
// Setup the fake server.
fakeTranslationServer := &fakeTranslationServer{}
l, err := net.Listen("tcp", "localhost:0")
if err != nil {
t.Fatal(err)
}
gsrv := grpc.NewServer()
translatepb.RegisterTranslationServiceServer(gsrv, fakeTranslationServer)
fakeServerAddr := l.Addr().String()
go func() {
if err := gsrv.Serve(l); err != nil {
panic(err)
}
}()
// Create a client.
client, err := translate.NewTranslationClient(ctx,
option.WithEndpoint(fakeServerAddr),
option.WithoutAuthentication(),
option.WithGRPCDialOption(grpc.WithInsecure()),
)
if err != nil {
t.Fatal(err)
}
// Run the test.
text, err := TranslateTextWithConcreteClient(client, "Hola Mundo", "en-US")
if err != nil {
t.Fatal(err)
}
if text != "Hello World" {
t.Fatalf("got %q, want Hello World", text)
}
}
```
## Testing using mocks
*Note*: You can see the full
[example code using a mock here](https://github.com/googleapis/google-cloud-go/tree/master/internal/examples/mock).
When mocking code you need to work with interfaces. Let’s create an interface
for the `cloud.google.com/go/translate/apiv3` client used in the
`TranslateTextWithConcreteClient` function mentioned in the previous section.
The `translate.Client` has over a dozen methods but this code only uses one of
them. Here is an interface that satisfies the interactions of the
`translate.Client` in this function.
```go
type TranslationClient interface {
TranslateText(ctx context.Context, req *translatepb.TranslateTextRequest, opts ...gax.CallOption) (*translatepb.TranslateTextResponse, error)
}
```
Now that we have an interface that satisfies the method being used we can
rewrite the function signature to take the interface instead of the concrete
type.
```go
func TranslateTextWithInterfaceClient(client TranslationClient, text string, targetLang string) (string, error) {
// ...
}
```
This allows a real `translate.Client` to be passed to the method in production
and for a mock implementation to be passed in during testing. This pattern can
be applied to any Go code, not just `cloud.google.com/go`. This is because
interfaces in Go are implicitly satisfied. Structs in the client libraries can
implicitly implement interfaces defined in your codebase. Let’s take a look at
what it might look like to define a lightweight mock for the `TranslationClient`
interface.
```go
import (
"context"
"testing"
"github.com/googleapis/gax-go/v2"
translatepb "google.golang.org/genproto/googleapis/cloud/translate/v3"
)
type mockClient struct{}
func (*mockClient) TranslateText(_ context.Context, req *translatepb.TranslateTextRequest, opts ...gax.CallOption) (*translatepb.TranslateTextResponse, error) {
resp := &translatepb.TranslateTextResponse{
Translations: []*translatepb.Translation{
&translatepb.Translation{
TranslatedText: "Hello World",
},
},
}
return resp, nil
}
func TestTranslateTextWithAbstractClient(t *testing.T) {
client := &mockClient{}
text, err := TranslateTextWithInterfaceClient(client, "Hola Mundo", "en-US")
if err != nil {
t.Fatal(err)
}
if text != "Hello World" {
t.Fatalf("got %q, want Hello World", text)
}
}
```
If you prefer to not write your own mocks there are mocking frameworks such as
[golang/mock](https://github.com/golang/mock) which can generate mocks for you
from an interface. As a word of caution though, try to not
[overuse mocks](https://testing.googleblog.com/2013/05/testing-on-toilet-dont-overuse-mocks.html).
## Testing using emulators
Some of the client libraries provided in `cloud.google.com/go` support running
against a service emulator. The concept is similar to that of using fakes,
mentioned above, but the server is managed for you. You just need to start it up
and instruct the client library to talk to the emulator by setting a service
specific emulator environment variable. Current services/environment-variables
are:
- bigtable: `BIGTABLE_EMULATOR_HOST`
- datastore: `DATASTORE_EMULATOR_HOST`
- firestore: `FIRESTORE_EMULATOR_HOST`
- pubsub: `PUBSUB_EMULATOR_HOST`
- spanner: `SPANNER_EMULATOR_HOST`
- storage: `STORAGE_EMULATOR_HOST`
- Although the storage client supports an emulator environment variable there is no official emulator provided by gcloud.
For more information on emulators please refer to the
[gcloud documentation](https://cloud.google.com/sdk/gcloud/reference/beta/emulators).

31
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@ -0,0 +1,31 @@
// +build tools
// Copyright 2018 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This package exists to cause `go mod` and `go get` to believe these tools
// are dependencies, even though they are not runtime dependencies of any
// package (these are tools used by our CI builds). This means they will appear
// in our `go.mod` file, but will not be a part of the build. Also, since the
// build target is something non-existent, these should not be included in any
// binaries.
package cloud
import (
_ "github.com/golang/protobuf/protoc-gen-go"
_ "github.com/jstemmer/go-junit-report"
_ "golang.org/x/lint/golint"
_ "golang.org/x/tools/cmd/goimports"
)

191
vendor/github.com/golang/groupcache/LICENSE generated vendored Normal file
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@ -0,0 +1,191 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction, and
distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by the copyright
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"Legal Entity" shall mean the union of the acting entity and all other entities
that control, are controlled by, or are under common control with that entity.
For the purposes of this definition, "control" means (i) the power, direct or
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outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity exercising
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but not limited to software source code, documentation source, and configuration
files.
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translation of a Source form, including but not limited to compiled object code,
generated documentation, and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or Object form, made
available under the License, as indicated by a copyright notice that is included
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"Derivative Works" shall mean any work, whether in Source or Object form, that
is based on (or derived from) the Work and for which the editorial revisions,
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shall not include works that remain separable from, or merely link (or bind by
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"Contribution" shall mean any work of authorship, including the original version
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Subject to the terms and conditions of this License, each Contributor hereby
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provided that You meet the following conditions:
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You must retain, in the Source form of any Derivative Works that You distribute,
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If the Work includes a "NOTICE" text file as part of its distribution, then any
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You may add Your own copyright statement to Your modifications and may provide
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5. Submission of Contributions.
Unless You explicitly state otherwise, any Contribution intentionally submitted
for inclusion in the Work by You to the Licensor shall be under the terms and
conditions of this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify the terms of
any separate license agreement you may have executed with Licensor regarding
such Contributions.
6. Trademarks.
This License does not grant permission to use the trade names, trademarks,
service marks, or product names of the Licensor, except as required for
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7. Disclaimer of Warranty.
Unless required by applicable law or agreed to in writing, Licensor provides the
Work (and each Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,
including, without limitation, any warranties or conditions of TITLE,
NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are
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8. Limitation of Liability.
In no event and under no legal theory, whether in tort (including negligence),
contract, or otherwise, unless required by applicable law (such as deliberate
and grossly negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special, incidental,
or consequential damages of any character arising as a result of this License or
out of the use or inability to use the Work (including but not limited to
damages for loss of goodwill, work stoppage, computer failure or malfunction, or
any and all other commercial damages or losses), even if such Contributor has
been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability.
While redistributing the Work or Derivative Works thereof, You may choose to
offer, and charge a fee for, acceptance of support, warranty, indemnity, or
other liability obligations and/or rights consistent with this License. However,
in accepting such obligations, You may act only on Your own behalf and on Your
sole responsibility, not on behalf of any other Contributor, and only if You
agree to indemnify, defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason of your
accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work
To apply the Apache License to your work, attach the following boilerplate
notice, with the fields enclosed by brackets "[]" replaced with your own
identifying information. (Don't include the brackets!) The text should be
enclosed in the appropriate comment syntax for the file format. We also
recommend that a file or class name and description of purpose be included on
the same "printed page" as the copyright notice for easier identification within
third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

133
vendor/github.com/golang/groupcache/lru/lru.go generated vendored Normal file
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@ -0,0 +1,133 @@
/*
Copyright 2013 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package lru implements an LRU cache.
package lru
import "container/list"
// Cache is an LRU cache. It is not safe for concurrent access.
type Cache struct {
// MaxEntries is the maximum number of cache entries before
// an item is evicted. Zero means no limit.
MaxEntries int
// OnEvicted optionally specifies a callback function to be
// executed when an entry is purged from the cache.
OnEvicted func(key Key, value interface{})
ll *list.List
cache map[interface{}]*list.Element
}
// A Key may be any value that is comparable. See http://golang.org/ref/spec#Comparison_operators
type Key interface{}
type entry struct {
key Key
value interface{}
}
// New creates a new Cache.
// If maxEntries is zero, the cache has no limit and it's assumed
// that eviction is done by the caller.
func New(maxEntries int) *Cache {
return &Cache{
MaxEntries: maxEntries,
ll: list.New(),
cache: make(map[interface{}]*list.Element),
}
}
// Add adds a value to the cache.
func (c *Cache) Add(key Key, value interface{}) {
if c.cache == nil {
c.cache = make(map[interface{}]*list.Element)
c.ll = list.New()
}
if ee, ok := c.cache[key]; ok {
c.ll.MoveToFront(ee)
ee.Value.(*entry).value = value
return
}
ele := c.ll.PushFront(&entry{key, value})
c.cache[key] = ele
if c.MaxEntries != 0 && c.ll.Len() > c.MaxEntries {
c.RemoveOldest()
}
}
// Get looks up a key's value from the cache.
func (c *Cache) Get(key Key) (value interface{}, ok bool) {
if c.cache == nil {
return
}
if ele, hit := c.cache[key]; hit {
c.ll.MoveToFront(ele)
return ele.Value.(*entry).value, true
}
return
}
// Remove removes the provided key from the cache.
func (c *Cache) Remove(key Key) {
if c.cache == nil {
return
}
if ele, hit := c.cache[key]; hit {
c.removeElement(ele)
}
}
// RemoveOldest removes the oldest item from the cache.
func (c *Cache) RemoveOldest() {
if c.cache == nil {
return
}
ele := c.ll.Back()
if ele != nil {
c.removeElement(ele)
}
}
func (c *Cache) removeElement(e *list.Element) {
c.ll.Remove(e)
kv := e.Value.(*entry)
delete(c.cache, kv.key)
if c.OnEvicted != nil {
c.OnEvicted(kv.key, kv.value)
}
}
// Len returns the number of items in the cache.
func (c *Cache) Len() int {
if c.cache == nil {
return 0
}
return c.ll.Len()
}
// Clear purges all stored items from the cache.
func (c *Cache) Clear() {
if c.OnEvicted != nil {
for _, e := range c.cache {
kv := e.Value.(*entry)
c.OnEvicted(kv.key, kv.value)
}
}
c.ll = nil
c.cache = nil
}

3
vendor/github.com/golang/protobuf/AUTHORS generated vendored Normal file
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@ -0,0 +1,3 @@
# This source code refers to The Go Authors for copyright purposes.
# The master list of authors is in the main Go distribution,
# visible at http://tip.golang.org/AUTHORS.

3
vendor/github.com/golang/protobuf/CONTRIBUTORS generated vendored Normal file
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@ -0,0 +1,3 @@
# This source code was written by the Go contributors.
# The master list of contributors is in the main Go distribution,
# visible at http://tip.golang.org/CONTRIBUTORS.

28
vendor/github.com/golang/protobuf/LICENSE generated vendored Normal file
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@ -0,0 +1,28 @@
Copyright 2010 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

398
vendor/github.com/golang/protobuf/internal/gengogrpc/grpc.go generated vendored Normal file
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@ -0,0 +1,398 @@
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package gengogrpc contains the gRPC code generator.
package gengogrpc
import (
"fmt"
"strconv"
"strings"
"google.golang.org/protobuf/compiler/protogen"
"google.golang.org/protobuf/types/descriptorpb"
)
const (
contextPackage = protogen.GoImportPath("context")
grpcPackage = protogen.GoImportPath("google.golang.org/grpc")
codesPackage = protogen.GoImportPath("google.golang.org/grpc/codes")
statusPackage = protogen.GoImportPath("google.golang.org/grpc/status")
)
// GenerateFile generates a _grpc.pb.go file containing gRPC service definitions.
func GenerateFile(gen *protogen.Plugin, file *protogen.File) *protogen.GeneratedFile {
if len(file.Services) == 0 {
return nil
}
filename := file.GeneratedFilenamePrefix + "_grpc.pb.go"
g := gen.NewGeneratedFile(filename, file.GoImportPath)
g.P("// Code generated by protoc-gen-go-grpc. DO NOT EDIT.")
g.P()
g.P("package ", file.GoPackageName)
g.P()
GenerateFileContent(gen, file, g)
return g
}
// GenerateFileContent generates the gRPC service definitions, excluding the package statement.
func GenerateFileContent(gen *protogen.Plugin, file *protogen.File, g *protogen.GeneratedFile) {
if len(file.Services) == 0 {
return
}
// TODO: Remove this. We don't need to include these references any more.
g.P("// Reference imports to suppress errors if they are not otherwise used.")
g.P("var _ ", contextPackage.Ident("Context"))
g.P("var _ ", grpcPackage.Ident("ClientConnInterface"))
g.P()
g.P("// This is a compile-time assertion to ensure that this generated file")
g.P("// is compatible with the grpc package it is being compiled against.")
g.P("const _ = ", grpcPackage.Ident("SupportPackageIsVersion6"))
g.P()
for _, service := range file.Services {
genService(gen, file, g, service)
}
}
func genService(gen *protogen.Plugin, file *protogen.File, g *protogen.GeneratedFile, service *protogen.Service) {
clientName := service.GoName + "Client"
g.P("// ", clientName, " is the client API for ", service.GoName, " service.")
g.P("//")
g.P("// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.")
// Client interface.
if service.Desc.Options().(*descriptorpb.ServiceOptions).GetDeprecated() {
g.P("//")
g.P(deprecationComment)
}
g.Annotate(clientName, service.Location)
g.P("type ", clientName, " interface {")
for _, method := range service.Methods {
g.Annotate(clientName+"."+method.GoName, method.Location)
if method.Desc.Options().(*descriptorpb.MethodOptions).GetDeprecated() {
g.P(deprecationComment)
}
g.P(method.Comments.Leading,
clientSignature(g, method))
}
g.P("}")
g.P()
// Client structure.
g.P("type ", unexport(clientName), " struct {")
g.P("cc ", grpcPackage.Ident("ClientConnInterface"))
g.P("}")
g.P()
// NewClient factory.
if service.Desc.Options().(*descriptorpb.ServiceOptions).GetDeprecated() {
g.P(deprecationComment)
}
g.P("func New", clientName, " (cc ", grpcPackage.Ident("ClientConnInterface"), ") ", clientName, " {")
g.P("return &", unexport(clientName), "{cc}")
g.P("}")
g.P()
var methodIndex, streamIndex int
// Client method implementations.
for _, method := range service.Methods {
if !method.Desc.IsStreamingServer() && !method.Desc.IsStreamingClient() {
// Unary RPC method
genClientMethod(gen, file, g, method, methodIndex)
methodIndex++
} else {
// Streaming RPC method
genClientMethod(gen, file, g, method, streamIndex)
streamIndex++
}
}
// Server interface.
serverType := service.GoName + "Server"
g.P("// ", serverType, " is the server API for ", service.GoName, " service.")
if service.Desc.Options().(*descriptorpb.ServiceOptions).GetDeprecated() {
g.P("//")
g.P(deprecationComment)
}
g.Annotate(serverType, service.Location)
g.P("type ", serverType, " interface {")
for _, method := range service.Methods {
g.Annotate(serverType+"."+method.GoName, method.Location)
if method.Desc.Options().(*descriptorpb.MethodOptions).GetDeprecated() {
g.P(deprecationComment)
}
g.P(method.Comments.Leading,
serverSignature(g, method))
}
g.P("}")
g.P()
// Server Unimplemented struct for forward compatibility.
g.P("// Unimplemented", serverType, " can be embedded to have forward compatible implementations.")
g.P("type Unimplemented", serverType, " struct {")
g.P("}")
g.P()
for _, method := range service.Methods {
nilArg := ""
if !method.Desc.IsStreamingClient() && !method.Desc.IsStreamingServer() {
nilArg = "nil,"
}
g.P("func (*Unimplemented", serverType, ") ", serverSignature(g, method), "{")
g.P("return ", nilArg, statusPackage.Ident("Errorf"), "(", codesPackage.Ident("Unimplemented"), `, "method `, method.GoName, ` not implemented")`)
g.P("}")
}
g.P()
// Server registration.
if service.Desc.Options().(*descriptorpb.ServiceOptions).GetDeprecated() {
g.P(deprecationComment)
}
serviceDescVar := "_" + service.GoName + "_serviceDesc"
g.P("func Register", service.GoName, "Server(s *", grpcPackage.Ident("Server"), ", srv ", serverType, ") {")
g.P("s.RegisterService(&", serviceDescVar, `, srv)`)
g.P("}")
g.P()
// Server handler implementations.
var handlerNames []string
for _, method := range service.Methods {
hname := genServerMethod(gen, file, g, method)
handlerNames = append(handlerNames, hname)
}
// Service descriptor.
g.P("var ", serviceDescVar, " = ", grpcPackage.Ident("ServiceDesc"), " {")
g.P("ServiceName: ", strconv.Quote(string(service.Desc.FullName())), ",")
g.P("HandlerType: (*", serverType, ")(nil),")
g.P("Methods: []", grpcPackage.Ident("MethodDesc"), "{")
for i, method := range service.Methods {
if method.Desc.IsStreamingClient() || method.Desc.IsStreamingServer() {
continue
}
g.P("{")
g.P("MethodName: ", strconv.Quote(string(method.Desc.Name())), ",")
g.P("Handler: ", handlerNames[i], ",")
g.P("},")
}
g.P("},")
g.P("Streams: []", grpcPackage.Ident("StreamDesc"), "{")
for i, method := range service.Methods {
if !method.Desc.IsStreamingClient() && !method.Desc.IsStreamingServer() {
continue
}
g.P("{")
g.P("StreamName: ", strconv.Quote(string(method.Desc.Name())), ",")
g.P("Handler: ", handlerNames[i], ",")
if method.Desc.IsStreamingServer() {
g.P("ServerStreams: true,")
}
if method.Desc.IsStreamingClient() {
g.P("ClientStreams: true,")
}
g.P("},")
}
g.P("},")
g.P("Metadata: \"", file.Desc.Path(), "\",")
g.P("}")
g.P()
}
func clientSignature(g *protogen.GeneratedFile, method *protogen.Method) string {
s := method.GoName + "(ctx " + g.QualifiedGoIdent(contextPackage.Ident("Context"))
if !method.Desc.IsStreamingClient() {
s += ", in *" + g.QualifiedGoIdent(method.Input.GoIdent)
}
s += ", opts ..." + g.QualifiedGoIdent(grpcPackage.Ident("CallOption")) + ") ("
if !method.Desc.IsStreamingClient() && !method.Desc.IsStreamingServer() {
s += "*" + g.QualifiedGoIdent(method.Output.GoIdent)
} else {
s += method.Parent.GoName + "_" + method.GoName + "Client"
}
s += ", error)"
return s
}
func genClientMethod(gen *protogen.Plugin, file *protogen.File, g *protogen.GeneratedFile, method *protogen.Method, index int) {
service := method.Parent
sname := fmt.Sprintf("/%s/%s", service.Desc.FullName(), method.Desc.Name())
if method.Desc.Options().(*descriptorpb.MethodOptions).GetDeprecated() {
g.P(deprecationComment)
}
g.P("func (c *", unexport(service.GoName), "Client) ", clientSignature(g, method), "{")
if !method.Desc.IsStreamingServer() && !method.Desc.IsStreamingClient() {
g.P("out := new(", method.Output.GoIdent, ")")
g.P(`err := c.cc.Invoke(ctx, "`, sname, `", in, out, opts...)`)
g.P("if err != nil { return nil, err }")
g.P("return out, nil")
g.P("}")
g.P()
return
}
streamType := unexport(service.GoName) + method.GoName + "Client"
serviceDescVar := "_" + service.GoName + "_serviceDesc"
g.P("stream, err := c.cc.NewStream(ctx, &", serviceDescVar, ".Streams[", index, `], "`, sname, `", opts...)`)
g.P("if err != nil { return nil, err }")
g.P("x := &", streamType, "{stream}")
if !method.Desc.IsStreamingClient() {
g.P("if err := x.ClientStream.SendMsg(in); err != nil { return nil, err }")
g.P("if err := x.ClientStream.CloseSend(); err != nil { return nil, err }")
}
g.P("return x, nil")
g.P("}")
g.P()
genSend := method.Desc.IsStreamingClient()
genRecv := method.Desc.IsStreamingServer()
genCloseAndRecv := !method.Desc.IsStreamingServer()
// Stream auxiliary types and methods.
g.P("type ", service.GoName, "_", method.GoName, "Client interface {")
if genSend {
g.P("Send(*", method.Input.GoIdent, ") error")
}
if genRecv {
g.P("Recv() (*", method.Output.GoIdent, ", error)")
}
if genCloseAndRecv {
g.P("CloseAndRecv() (*", method.Output.GoIdent, ", error)")
}
g.P(grpcPackage.Ident("ClientStream"))
g.P("}")
g.P()
g.P("type ", streamType, " struct {")
g.P(grpcPackage.Ident("ClientStream"))
g.P("}")
g.P()
if genSend {
g.P("func (x *", streamType, ") Send(m *", method.Input.GoIdent, ") error {")
g.P("return x.ClientStream.SendMsg(m)")
g.P("}")
g.P()
}
if genRecv {
g.P("func (x *", streamType, ") Recv() (*", method.Output.GoIdent, ", error) {")
g.P("m := new(", method.Output.GoIdent, ")")
g.P("if err := x.ClientStream.RecvMsg(m); err != nil { return nil, err }")
g.P("return m, nil")
g.P("}")
g.P()
}
if genCloseAndRecv {
g.P("func (x *", streamType, ") CloseAndRecv() (*", method.Output.GoIdent, ", error) {")
g.P("if err := x.ClientStream.CloseSend(); err != nil { return nil, err }")
g.P("m := new(", method.Output.GoIdent, ")")
g.P("if err := x.ClientStream.RecvMsg(m); err != nil { return nil, err }")
g.P("return m, nil")
g.P("}")
g.P()
}
}
func serverSignature(g *protogen.GeneratedFile, method *protogen.Method) string {
var reqArgs []string
ret := "error"
if !method.Desc.IsStreamingClient() && !method.Desc.IsStreamingServer() {
reqArgs = append(reqArgs, g.QualifiedGoIdent(contextPackage.Ident("Context")))
ret = "(*" + g.QualifiedGoIdent(method.Output.GoIdent) + ", error)"
}
if !method.Desc.IsStreamingClient() {
reqArgs = append(reqArgs, "*"+g.QualifiedGoIdent(method.Input.GoIdent))
}
if method.Desc.IsStreamingClient() || method.Desc.IsStreamingServer() {
reqArgs = append(reqArgs, method.Parent.GoName+"_"+method.GoName+"Server")
}
return method.GoName + "(" + strings.Join(reqArgs, ", ") + ") " + ret
}
func genServerMethod(gen *protogen.Plugin, file *protogen.File, g *protogen.GeneratedFile, method *protogen.Method) string {
service := method.Parent
hname := fmt.Sprintf("_%s_%s_Handler", service.GoName, method.GoName)
if !method.Desc.IsStreamingClient() && !method.Desc.IsStreamingServer() {
g.P("func ", hname, "(srv interface{}, ctx ", contextPackage.Ident("Context"), ", dec func(interface{}) error, interceptor ", grpcPackage.Ident("UnaryServerInterceptor"), ") (interface{}, error) {")
g.P("in := new(", method.Input.GoIdent, ")")
g.P("if err := dec(in); err != nil { return nil, err }")
g.P("if interceptor == nil { return srv.(", service.GoName, "Server).", method.GoName, "(ctx, in) }")
g.P("info := &", grpcPackage.Ident("UnaryServerInfo"), "{")
g.P("Server: srv,")
g.P("FullMethod: ", strconv.Quote(fmt.Sprintf("/%s/%s", service.Desc.FullName(), method.GoName)), ",")
g.P("}")
g.P("handler := func(ctx ", contextPackage.Ident("Context"), ", req interface{}) (interface{}, error) {")
g.P("return srv.(", service.GoName, "Server).", method.GoName, "(ctx, req.(*", method.Input.GoIdent, "))")
g.P("}")
g.P("return interceptor(ctx, in, info, handler)")
g.P("}")
g.P()
return hname
}
streamType := unexport(service.GoName) + method.GoName + "Server"
g.P("func ", hname, "(srv interface{}, stream ", grpcPackage.Ident("ServerStream"), ") error {")
if !method.Desc.IsStreamingClient() {
g.P("m := new(", method.Input.GoIdent, ")")
g.P("if err := stream.RecvMsg(m); err != nil { return err }")
g.P("return srv.(", service.GoName, "Server).", method.GoName, "(m, &", streamType, "{stream})")
} else {
g.P("return srv.(", service.GoName, "Server).", method.GoName, "(&", streamType, "{stream})")
}
g.P("}")
g.P()
genSend := method.Desc.IsStreamingServer()
genSendAndClose := !method.Desc.IsStreamingServer()
genRecv := method.Desc.IsStreamingClient()
// Stream auxiliary types and methods.
g.P("type ", service.GoName, "_", method.GoName, "Server interface {")
if genSend {
g.P("Send(*", method.Output.GoIdent, ") error")
}
if genSendAndClose {
g.P("SendAndClose(*", method.Output.GoIdent, ") error")
}
if genRecv {
g.P("Recv() (*", method.Input.GoIdent, ", error)")
}
g.P(grpcPackage.Ident("ServerStream"))
g.P("}")
g.P()
g.P("type ", streamType, " struct {")
g.P(grpcPackage.Ident("ServerStream"))
g.P("}")
g.P()
if genSend {
g.P("func (x *", streamType, ") Send(m *", method.Output.GoIdent, ") error {")
g.P("return x.ServerStream.SendMsg(m)")
g.P("}")
g.P()
}
if genSendAndClose {
g.P("func (x *", streamType, ") SendAndClose(m *", method.Output.GoIdent, ") error {")
g.P("return x.ServerStream.SendMsg(m)")
g.P("}")
g.P()
}
if genRecv {
g.P("func (x *", streamType, ") Recv() (*", method.Input.GoIdent, ", error) {")
g.P("m := new(", method.Input.GoIdent, ")")
g.P("if err := x.ServerStream.RecvMsg(m); err != nil { return nil, err }")
g.P("return m, nil")
g.P("}")
g.P()
}
return hname
}
const deprecationComment = "// Deprecated: Do not use."
func unexport(s string) string { return strings.ToLower(s[:1]) + s[1:] }

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vendor/github.com/golang/protobuf/proto/buffer.go generated vendored Normal file
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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package proto
import (
"errors"
"fmt"
"google.golang.org/protobuf/encoding/prototext"
"google.golang.org/protobuf/encoding/protowire"
"google.golang.org/protobuf/runtime/protoimpl"
)
const (
WireVarint = 0
WireFixed32 = 5
WireFixed64 = 1
WireBytes = 2
WireStartGroup = 3
WireEndGroup = 4
)
// EncodeVarint returns the varint encoded bytes of v.
func EncodeVarint(v uint64) []byte {
return protowire.AppendVarint(nil, v)
}
// SizeVarint returns the length of the varint encoded bytes of v.
// This is equal to len(EncodeVarint(v)).
func SizeVarint(v uint64) int {
return protowire.SizeVarint(v)
}
// DecodeVarint parses a varint encoded integer from b,
// returning the integer value and the length of the varint.
// It returns (0, 0) if there is a parse error.
func DecodeVarint(b []byte) (uint64, int) {
v, n := protowire.ConsumeVarint(b)
if n < 0 {
return 0, 0
}
return v, n
}
// Buffer is a buffer for encoding and decoding the protobuf wire format.
// It may be reused between invocations to reduce memory usage.
type Buffer struct {
buf []byte
idx int
deterministic bool
}
// NewBuffer allocates a new Buffer initialized with buf,
// where the contents of buf are considered the unread portion of the buffer.
func NewBuffer(buf []byte) *Buffer {
return &Buffer{buf: buf}
}
// SetDeterministic specifies whether to use deterministic serialization.
//
// Deterministic serialization guarantees that for a given binary, equal
// messages will always be serialized to the same bytes. This implies:
//
// - Repeated serialization of a message will return the same bytes.
// - Different processes of the same binary (which may be executing on
// different machines) will serialize equal messages to the same bytes.
//
// Note that the deterministic serialization is NOT canonical across
// languages. It is not guaranteed to remain stable over time. It is unstable
// across different builds with schema changes due to unknown fields.
// Users who need canonical serialization (e.g., persistent storage in a
// canonical form, fingerprinting, etc.) should define their own
// canonicalization specification and implement their own serializer rather
// than relying on this API.
//
// If deterministic serialization is requested, map entries will be sorted
// by keys in lexographical order. This is an implementation detail and
// subject to change.
func (b *Buffer) SetDeterministic(deterministic bool) {
b.deterministic = deterministic
}
// SetBuf sets buf as the internal buffer,
// where the contents of buf are considered the unread portion of the buffer.
func (b *Buffer) SetBuf(buf []byte) {
b.buf = buf
b.idx = 0
}
// Reset clears the internal buffer of all written and unread data.
func (b *Buffer) Reset() {
b.buf = b.buf[:0]
b.idx = 0
}
// Bytes returns the internal buffer.
func (b *Buffer) Bytes() []byte {
return b.buf
}
// Unread returns the unread portion of the buffer.
func (b *Buffer) Unread() []byte {
return b.buf[b.idx:]
}
// Marshal appends the wire-format encoding of m to the buffer.
func (b *Buffer) Marshal(m Message) error {
var err error
b.buf, err = marshalAppend(b.buf, m, b.deterministic)
return err
}
// Unmarshal parses the wire-format message in the buffer and
// places the decoded results in m.
// It does not reset m before unmarshaling.
func (b *Buffer) Unmarshal(m Message) error {
err := UnmarshalMerge(b.Unread(), m)
b.idx = len(b.buf)
return err
}
type unknownFields struct{ XXX_unrecognized protoimpl.UnknownFields }
func (m *unknownFields) String() string { panic("not implemented") }
func (m *unknownFields) Reset() { panic("not implemented") }
func (m *unknownFields) ProtoMessage() { panic("not implemented") }
// DebugPrint dumps the encoded bytes of b with a header and footer including s
// to stdout. This is only intended for debugging.
func (*Buffer) DebugPrint(s string, b []byte) {
m := MessageReflect(new(unknownFields))
m.SetUnknown(b)
b, _ = prototext.MarshalOptions{AllowPartial: true, Indent: "\t"}.Marshal(m.Interface())
fmt.Printf("==== %s ====\n%s==== %s ====\n", s, b, s)
}
// EncodeVarint appends an unsigned varint encoding to the buffer.
func (b *Buffer) EncodeVarint(v uint64) error {
b.buf = protowire.AppendVarint(b.buf, v)
return nil
}
// EncodeZigzag32 appends a 32-bit zig-zag varint encoding to the buffer.
func (b *Buffer) EncodeZigzag32(v uint64) error {
return b.EncodeVarint(uint64((uint32(v) << 1) ^ uint32((int32(v) >> 31))))
}
// EncodeZigzag64 appends a 64-bit zig-zag varint encoding to the buffer.
func (b *Buffer) EncodeZigzag64(v uint64) error {
return b.EncodeVarint(uint64((uint64(v) << 1) ^ uint64((int64(v) >> 63))))
}
// EncodeFixed32 appends a 32-bit little-endian integer to the buffer.
func (b *Buffer) EncodeFixed32(v uint64) error {
b.buf = protowire.AppendFixed32(b.buf, uint32(v))
return nil
}
// EncodeFixed64 appends a 64-bit little-endian integer to the buffer.
func (b *Buffer) EncodeFixed64(v uint64) error {
b.buf = protowire.AppendFixed64(b.buf, uint64(v))
return nil
}
// EncodeRawBytes appends a length-prefixed raw bytes to the buffer.
func (b *Buffer) EncodeRawBytes(v []byte) error {
b.buf = protowire.AppendBytes(b.buf, v)
return nil
}
// EncodeStringBytes appends a length-prefixed raw bytes to the buffer.
// It does not validate whether v contains valid UTF-8.
func (b *Buffer) EncodeStringBytes(v string) error {
b.buf = protowire.AppendString(b.buf, v)
return nil
}
// EncodeMessage appends a length-prefixed encoded message to the buffer.
func (b *Buffer) EncodeMessage(m Message) error {
var err error
b.buf = protowire.AppendVarint(b.buf, uint64(Size(m)))
b.buf, err = marshalAppend(b.buf, m, b.deterministic)
return err
}
// DecodeVarint consumes an encoded unsigned varint from the buffer.
func (b *Buffer) DecodeVarint() (uint64, error) {
v, n := protowire.ConsumeVarint(b.buf[b.idx:])
if n < 0 {
return 0, protowire.ParseError(n)
}
b.idx += n
return uint64(v), nil
}
// DecodeZigzag32 consumes an encoded 32-bit zig-zag varint from the buffer.
func (b *Buffer) DecodeZigzag32() (uint64, error) {
v, err := b.DecodeVarint()
if err != nil {
return 0, err
}
return uint64((uint32(v) >> 1) ^ uint32((int32(v&1)<<31)>>31)), nil
}
// DecodeZigzag64 consumes an encoded 64-bit zig-zag varint from the buffer.
func (b *Buffer) DecodeZigzag64() (uint64, error) {
v, err := b.DecodeVarint()
if err != nil {
return 0, err
}
return uint64((uint64(v) >> 1) ^ uint64((int64(v&1)<<63)>>63)), nil
}
// DecodeFixed32 consumes a 32-bit little-endian integer from the buffer.
func (b *Buffer) DecodeFixed32() (uint64, error) {
v, n := protowire.ConsumeFixed32(b.buf[b.idx:])
if n < 0 {
return 0, protowire.ParseError(n)
}
b.idx += n
return uint64(v), nil
}
// DecodeFixed64 consumes a 64-bit little-endian integer from the buffer.
func (b *Buffer) DecodeFixed64() (uint64, error) {
v, n := protowire.ConsumeFixed64(b.buf[b.idx:])
if n < 0 {
return 0, protowire.ParseError(n)
}
b.idx += n
return uint64(v), nil
}
// DecodeRawBytes consumes a length-prefixed raw bytes from the buffer.
// If alloc is specified, it returns a copy the raw bytes
// rather than a sub-slice of the buffer.
func (b *Buffer) DecodeRawBytes(alloc bool) ([]byte, error) {
v, n := protowire.ConsumeBytes(b.buf[b.idx:])
if n < 0 {
return nil, protowire.ParseError(n)
}
b.idx += n
if alloc {
v = append([]byte(nil), v...)
}
return v, nil
}
// DecodeStringBytes consumes a length-prefixed raw bytes from the buffer.
// It does not validate whether the raw bytes contain valid UTF-8.
func (b *Buffer) DecodeStringBytes() (string, error) {
v, n := protowire.ConsumeString(b.buf[b.idx:])
if n < 0 {
return "", protowire.ParseError(n)
}
b.idx += n
return v, nil
}
// DecodeMessage consumes a length-prefixed message from the buffer.
// It does not reset m before unmarshaling.
func (b *Buffer) DecodeMessage(m Message) error {
v, err := b.DecodeRawBytes(false)
if err != nil {
return err
}
return UnmarshalMerge(v, m)
}
// DecodeGroup consumes a message group from the buffer.
// It assumes that the start group marker has already been consumed and
// consumes all bytes until (and including the end group marker).
// It does not reset m before unmarshaling.
func (b *Buffer) DecodeGroup(m Message) error {
v, n, err := consumeGroup(b.buf[b.idx:])
if err != nil {
return err
}
b.idx += n
return UnmarshalMerge(v, m)
}
// consumeGroup parses b until it finds an end group marker, returning
// the raw bytes of the message (excluding the end group marker) and the
// the total length of the message (including the end group marker).
func consumeGroup(b []byte) ([]byte, int, error) {
b0 := b
depth := 1 // assume this follows a start group marker
for {
_, wtyp, tagLen := protowire.ConsumeTag(b)
if tagLen < 0 {
return nil, 0, protowire.ParseError(tagLen)
}
b = b[tagLen:]
var valLen int
switch wtyp {
case protowire.VarintType:
_, valLen = protowire.ConsumeVarint(b)
case protowire.Fixed32Type:
_, valLen = protowire.ConsumeFixed32(b)
case protowire.Fixed64Type:
_, valLen = protowire.ConsumeFixed64(b)
case protowire.BytesType:
_, valLen = protowire.ConsumeBytes(b)
case protowire.StartGroupType:
depth++
case protowire.EndGroupType:
depth--
default:
return nil, 0, errors.New("proto: cannot parse reserved wire type")
}
if valLen < 0 {
return nil, 0, protowire.ParseError(valLen)
}
b = b[valLen:]
if depth == 0 {
return b0[:len(b0)-len(b)-tagLen], len(b0) - len(b), nil
}
}
}

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vendor/github.com/golang/protobuf/proto/defaults.go generated vendored Normal file
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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package proto
import (
"google.golang.org/protobuf/reflect/protoreflect"
)
// SetDefaults sets unpopulated scalar fields to their default values.
// Fields within a oneof are not set even if they have a default value.
// SetDefaults is recursively called upon any populated message fields.
func SetDefaults(m Message) {
if m != nil {
setDefaults(MessageReflect(m))
}
}
func setDefaults(m protoreflect.Message) {
fds := m.Descriptor().Fields()
for i := 0; i < fds.Len(); i++ {
fd := fds.Get(i)
if !m.Has(fd) {
if fd.HasDefault() && fd.ContainingOneof() == nil {
v := fd.Default()
if fd.Kind() == protoreflect.BytesKind {
v = protoreflect.ValueOf(append([]byte(nil), v.Bytes()...)) // copy the default bytes
}
m.Set(fd, v)
}
continue
}
}
m.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool {
switch {
// Handle singular message.
case fd.Cardinality() != protoreflect.Repeated:
if fd.Message() != nil {
setDefaults(m.Get(fd).Message())
}
// Handle list of messages.
case fd.IsList():
if fd.Message() != nil {
ls := m.Get(fd).List()
for i := 0; i < ls.Len(); i++ {
setDefaults(ls.Get(i).Message())
}
}
// Handle map of messages.
case fd.IsMap():
if fd.MapValue().Message() != nil {
ms := m.Get(fd).Map()
ms.Range(func(_ protoreflect.MapKey, v protoreflect.Value) bool {
setDefaults(v.Message())
return true
})
}
}
return true
})
}

113
vendor/github.com/golang/protobuf/proto/deprecated.go generated vendored Normal file
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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package proto
import (
"encoding/json"
"errors"
"fmt"
"strconv"
protoV2 "google.golang.org/protobuf/proto"
)
var (
// Deprecated: No longer returned.
ErrNil = errors.New("proto: Marshal called with nil")
// Deprecated: No longer returned.
ErrTooLarge = errors.New("proto: message encodes to over 2 GB")
// Deprecated: No longer returned.
ErrInternalBadWireType = errors.New("proto: internal error: bad wiretype for oneof")
)
// Deprecated: Do not use.
type Stats struct{ Emalloc, Dmalloc, Encode, Decode, Chit, Cmiss, Size uint64 }
// Deprecated: Do not use.
func GetStats() Stats { return Stats{} }
// Deprecated: Do not use.
func MarshalMessageSet(interface{}) ([]byte, error) {
return nil, errors.New("proto: not implemented")
}
// Deprecated: Do not use.
func UnmarshalMessageSet([]byte, interface{}) error {
return errors.New("proto: not implemented")
}
// Deprecated: Do not use.
func MarshalMessageSetJSON(interface{}) ([]byte, error) {
return nil, errors.New("proto: not implemented")
}
// Deprecated: Do not use.
func UnmarshalMessageSetJSON([]byte, interface{}) error {
return errors.New("proto: not implemented")
}
// Deprecated: Do not use.
func RegisterMessageSetType(Message, int32, string) {}
// Deprecated: Do not use.
func EnumName(m map[int32]string, v int32) string {
s, ok := m[v]
if ok {
return s
}
return strconv.Itoa(int(v))
}
// Deprecated: Do not use.
func UnmarshalJSONEnum(m map[string]int32, data []byte, enumName string) (int32, error) {
if data[0] == '"' {
// New style: enums are strings.
var repr string
if err := json.Unmarshal(data, &repr); err != nil {
return -1, err
}
val, ok := m[repr]
if !ok {
return 0, fmt.Errorf("unrecognized enum %s value %q", enumName, repr)
}
return val, nil
}
// Old style: enums are ints.
var val int32
if err := json.Unmarshal(data, &val); err != nil {
return 0, fmt.Errorf("cannot unmarshal %#q into enum %s", data, enumName)
}
return val, nil
}
// Deprecated: Do not use; this type existed for intenal-use only.
type InternalMessageInfo struct{}
// Deprecated: Do not use; this method existed for intenal-use only.
func (*InternalMessageInfo) DiscardUnknown(m Message) {
DiscardUnknown(m)
}
// Deprecated: Do not use; this method existed for intenal-use only.
func (*InternalMessageInfo) Marshal(b []byte, m Message, deterministic bool) ([]byte, error) {
return protoV2.MarshalOptions{Deterministic: deterministic}.MarshalAppend(b, MessageV2(m))
}
// Deprecated: Do not use; this method existed for intenal-use only.
func (*InternalMessageInfo) Merge(dst, src Message) {
protoV2.Merge(MessageV2(dst), MessageV2(src))
}
// Deprecated: Do not use; this method existed for intenal-use only.
func (*InternalMessageInfo) Size(m Message) int {
return protoV2.Size(MessageV2(m))
}
// Deprecated: Do not use; this method existed for intenal-use only.
func (*InternalMessageInfo) Unmarshal(m Message, b []byte) error {
return protoV2.UnmarshalOptions{Merge: true}.Unmarshal(b, MessageV2(m))
}

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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package proto
import (
"google.golang.org/protobuf/reflect/protoreflect"
)
// DiscardUnknown recursively discards all unknown fields from this message
// and all embedded messages.
//
// When unmarshaling a message with unrecognized fields, the tags and values
// of such fields are preserved in the Message. This allows a later call to
// marshal to be able to produce a message that continues to have those
// unrecognized fields. To avoid this, DiscardUnknown is used to
// explicitly clear the unknown fields after unmarshaling.
func DiscardUnknown(m Message) {
if m != nil {
discardUnknown(MessageReflect(m))
}
}
func discardUnknown(m protoreflect.Message) {
m.Range(func(fd protoreflect.FieldDescriptor, val protoreflect.Value) bool {
switch {
// Handle singular message.
case fd.Cardinality() != protoreflect.Repeated:
if fd.Message() != nil {
discardUnknown(m.Get(fd).Message())
}
// Handle list of messages.
case fd.IsList():
if fd.Message() != nil {
ls := m.Get(fd).List()
for i := 0; i < ls.Len(); i++ {
discardUnknown(ls.Get(i).Message())
}
}
// Handle map of messages.
case fd.IsMap():
if fd.MapValue().Message() != nil {
ms := m.Get(fd).Map()
ms.Range(func(_ protoreflect.MapKey, v protoreflect.Value) bool {
discardUnknown(v.Message())
return true
})
}
}
return true
})
// Discard unknown fields.
if len(m.GetUnknown()) > 0 {
m.SetUnknown(nil)
}
}

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// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package proto
import (
"errors"
"fmt"
"reflect"
"google.golang.org/protobuf/encoding/protowire"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/reflect/protoreflect"
"google.golang.org/protobuf/reflect/protoregistry"
"google.golang.org/protobuf/runtime/protoiface"
"google.golang.org/protobuf/runtime/protoimpl"
)
type (
// ExtensionDesc represents an extension descriptor and
// is used to interact with an extension field in a message.
//
// Variables of this type are generated in code by protoc-gen-go.
ExtensionDesc = protoimpl.ExtensionInfo
// ExtensionRange represents a range of message extensions.
// Used in code generated by protoc-gen-go.
ExtensionRange = protoiface.ExtensionRangeV1
// Deprecated: Do not use; this is an internal type.
Extension = protoimpl.ExtensionFieldV1
// Deprecated: Do not use; this is an internal type.
XXX_InternalExtensions = protoimpl.ExtensionFields
)
// ErrMissingExtension reports whether the extension was not present.
var ErrMissingExtension = errors.New("proto: missing extension")
var errNotExtendable = errors.New("proto: not an extendable proto.Message")
// HasExtension reports whether the extension field is present in m
// either as an explicitly populated field or as an unknown field.
func HasExtension(m Message, xt *ExtensionDesc) (has bool) {
mr := MessageReflect(m)
if mr == nil || !mr.IsValid() {
return false
}
// Check whether any populated known field matches the field number.
xtd := xt.TypeDescriptor()
if isValidExtension(mr.Descriptor(), xtd) {
has = mr.Has(xtd)
} else {
mr.Range(func(fd protoreflect.FieldDescriptor, _ protoreflect.Value) bool {
has = int32(fd.Number()) == xt.Field
return !has
})
}
// Check whether any unknown field matches the field number.
for b := mr.GetUnknown(); !has && len(b) > 0; {
num, _, n := protowire.ConsumeField(b)
has = int32(num) == xt.Field
b = b[n:]
}
return has
}
// ClearExtension removes the extension field from m
// either as an explicitly populated field or as an unknown field.
func ClearExtension(m Message, xt *ExtensionDesc) {
mr := MessageReflect(m)
if mr == nil || !mr.IsValid() {
return
}
xtd := xt.TypeDescriptor()
if isValidExtension(mr.Descriptor(), xtd) {
mr.Clear(xtd)
} else {
mr.Range(func(fd protoreflect.FieldDescriptor, _ protoreflect.Value) bool {
if int32(fd.Number()) == xt.Field {
mr.Clear(fd)
return false
}
return true
})
}
clearUnknown(mr, fieldNum(xt.Field))
}
// ClearAllExtensions clears all extensions from m.
// This includes populated fields and unknown fields in the extension range.
func ClearAllExtensions(m Message) {
mr := MessageReflect(m)
if mr == nil || !mr.IsValid() {
return
}
mr.Range(func(fd protoreflect.FieldDescriptor, _ protoreflect.Value) bool {
if fd.IsExtension() {
mr.Clear(fd)
}
return true
})
clearUnknown(mr, mr.Descriptor().ExtensionRanges())
}
// GetExtension retrieves a proto2 extended field from m.
//
// If the descriptor is type complete (i.e., ExtensionDesc.ExtensionType is non-nil),
// then GetExtension parses the encoded field and returns a Go value of the specified type.
// If the field is not present, then the default value is returned (if one is specified),
// otherwise ErrMissingExtension is reported.
//
// If the descriptor is type incomplete (i.e., ExtensionDesc.ExtensionType is nil),
// then GetExtension returns the raw encoded bytes for the extension field.
func GetExtension(m Message, xt *ExtensionDesc) (interface{}, error) {
mr := MessageReflect(m)
if mr == nil || !mr.IsValid() || mr.Descriptor().ExtensionRanges().Len() == 0 {
return nil, errNotExtendable
}
// Retrieve the unknown fields for this extension field.
var bo protoreflect.RawFields
for bi := mr.GetUnknown(); len(bi) > 0; {
num, _, n := protowire.ConsumeField(bi)
if int32(num) == xt.Field {
bo = append(bo, bi[:n]...)
}
bi = bi[n:]
}
// For type incomplete descriptors, only retrieve the unknown fields.
if xt.ExtensionType == nil {
return []byte(bo), nil
}
// If the extension field only exists as unknown fields, unmarshal it.
// This is rarely done since proto.Unmarshal eagerly unmarshals extensions.
xtd := xt.TypeDescriptor()
if !isValidExtension(mr.Descriptor(), xtd) {
return nil, fmt.Errorf("proto: bad extended type; %T does not extend %T", xt.ExtendedType, m)
}
if !mr.Has(xtd) && len(bo) > 0 {
m2 := mr.New()
if err := (proto.UnmarshalOptions{
Resolver: extensionResolver{xt},
}.Unmarshal(bo, m2.Interface())); err != nil {
return nil, err
}
if m2.Has(xtd) {
mr.Set(xtd, m2.Get(xtd))
clearUnknown(mr, fieldNum(xt.Field))
}
}
// Check whether the message has the extension field set or a default.
var pv protoreflect.Value
switch {
case mr.Has(xtd):
pv = mr.Get(xtd)
case xtd.HasDefault():
pv = xtd.Default()
default:
return nil, ErrMissingExtension
}
v := xt.InterfaceOf(pv)
rv := reflect.ValueOf(v)
if isScalarKind(rv.Kind()) {
rv2 := reflect.New(rv.Type())
rv2.Elem().Set(rv)
v = rv2.Interface()
}
return v, nil
}
// extensionResolver is a custom extension resolver that stores a single
// extension type that takes precedence over the global registry.
type extensionResolver struct{ xt protoreflect.ExtensionType }
func (r extensionResolver) FindExtensionByName(field protoreflect.FullName) (protoreflect.ExtensionType, error) {
if xtd := r.xt.TypeDescriptor(); xtd.FullName() == field {
return r.xt, nil
}
return protoregistry.GlobalTypes.FindExtensionByName(field)
}
func (r extensionResolver) FindExtensionByNumber(message protoreflect.FullName, field protoreflect.FieldNumber) (protoreflect.ExtensionType, error) {
if xtd := r.xt.TypeDescriptor(); xtd.ContainingMessage().FullName() == message && xtd.Number() == field {
return r.xt, nil
}
return protoregistry.GlobalTypes.FindExtensionByNumber(message, field)
}
// GetExtensions returns a list of the extensions values present in m,
// corresponding with the provided list of extension descriptors, xts.
// If an extension is missing in m, the corresponding value is nil.
func GetExtensions(m Message, xts []*ExtensionDesc) ([]interface{}, error) {
mr := MessageReflect(m)
if mr == nil || !mr.IsValid() {
return nil, errNotExtendable
}
vs := make([]interface{}, len(xts))
for i, xt := range xts {
v, err := GetExtension(m, xt)
if err != nil {
if err == ErrMissingExtension {
continue
}
return vs, err
}
vs[i] = v
}
return vs, nil
}
// SetExtension sets an extension field in m to the provided value.
func SetExtension(m Message, xt *ExtensionDesc, v interface{}) error {
mr := MessageReflect(m)
if mr == nil || !mr.IsValid() || mr.Descriptor().ExtensionRanges().Len() == 0 {
return errNotExtendable
}
rv := reflect.ValueOf(v)
if reflect.TypeOf(v) != reflect.TypeOf(xt.ExtensionType) {
return fmt.Errorf("proto: bad extension value type. got: %T, want: %T", v, xt.ExtensionType)
}
if rv.Kind() == reflect.Ptr {
if rv.IsNil() {
return fmt.Errorf("proto: SetExtension called with nil value of type %T", v)
}
if isScalarKind(rv.Elem().Kind()) {
v = rv.Elem().Interface()
}
}
xtd := xt.TypeDescriptor()
if !isValidExtension(mr.Descriptor(), xtd) {
return fmt.Errorf("proto: bad extended type; %T does not extend %T", xt.ExtendedType, m)
}
mr.Set(xtd, xt.ValueOf(v))
clearUnknown(mr, fieldNum(xt.Field))
return nil
}
// SetRawExtension inserts b into the unknown fields of m.
//
// Deprecated: Use Message.ProtoReflect.SetUnknown instead.
func SetRawExtension(m Message, fnum int32, b []byte) {
mr := MessageReflect(m)
if mr == nil || !mr.IsValid() {
return
}
// Verify that the raw field is valid.
for b0 := b; len(b0) > 0; {
num, _, n := protowire.ConsumeField(b0)
if int32(num) != fnum {
panic(fmt.Sprintf("mismatching field number: got %d, want %d", num, fnum))
}
b0 = b0[n:]
}
ClearExtension(m, &ExtensionDesc{Field: fnum})
mr.SetUnknown(append(mr.GetUnknown(), b...))
}
// ExtensionDescs returns a list of extension descriptors found in m,
// containing descriptors for both populated extension fields in m and
// also unknown fields of m that are in the extension range.
// For the later case, an type incomplete descriptor is provided where only
// the ExtensionDesc.Field field is populated.
// The order of the extension descriptors is undefined.
func ExtensionDescs(m Message) ([]*ExtensionDesc, error) {
mr := MessageReflect(m)
if mr == nil || !mr.IsValid() || mr.Descriptor().ExtensionRanges().Len() == 0 {
return nil, errNotExtendable
}
// Collect a set of known extension descriptors.
extDescs := make(map[protoreflect.FieldNumber]*ExtensionDesc)
mr.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool {
if fd.IsExtension() {
xt := fd.(protoreflect.ExtensionTypeDescriptor)
if xd, ok := xt.Type().(*ExtensionDesc); ok {
extDescs[fd.Number()] = xd
}
}
return true
})
// Collect a set of unknown extension descriptors.
extRanges := mr.Descriptor().ExtensionRanges()
for b := mr.GetUnknown(); len(b) > 0; {
num, _, n := protowire.ConsumeField(b)
if extRanges.Has(num) && extDescs[num] == nil {
extDescs[num] = nil
}
b = b[n:]
}
// Transpose the set of descriptors into a list.
var xts []*ExtensionDesc
for num, xt := range extDescs {
if xt == nil {
xt = &ExtensionDesc{Field: int32(num)}
}
xts = append(xts, xt)
}
return xts, nil
}
// isValidExtension reports whether xtd is a valid extension descriptor for md.
func isValidExtension(md protoreflect.MessageDescriptor, xtd protoreflect.ExtensionTypeDescriptor) bool {
return xtd.ContainingMessage() == md && md.ExtensionRanges().Has(xtd.Number())
}
// isScalarKind reports whether k is a protobuf scalar kind (except bytes).
// This function exists for historical reasons since the representation of
// scalars differs between v1 and v2, where v1 uses *T and v2 uses T.
func isScalarKind(k reflect.Kind) bool {
switch k {
case reflect.Bool, reflect.Int32, reflect.Int64, reflect.Uint32, reflect.Uint64, reflect.Float32, reflect.Float64, reflect.String:
return true
default:
return false
}
}
// clearUnknown removes unknown fields from m where remover.Has reports true.
func clearUnknown(m protoreflect.Message, remover interface {
Has(protoreflect.FieldNumber) bool
}) {
var bo protoreflect.RawFields
for bi := m.GetUnknown(); len(bi) > 0; {
num, _, n := protowire.ConsumeField(bi)
if !remover.Has(num) {
bo = append(bo, bi[:n]...)
}
bi = bi[n:]
}
if bi := m.GetUnknown(); len(bi) != len(bo) {
m.SetUnknown(bo)
}
}
type fieldNum protoreflect.FieldNumber
func (n1 fieldNum) Has(n2 protoreflect.FieldNumber) bool {
return protoreflect.FieldNumber(n1) == n2
}

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// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package proto
import (
"fmt"
"reflect"
"strconv"
"strings"
"sync"
"google.golang.org/protobuf/reflect/protoreflect"
"google.golang.org/protobuf/runtime/protoimpl"
)
// StructProperties represents protocol buffer type information for a
// generated protobuf message in the open-struct API.
//
// Deprecated: Do not use.
type StructProperties struct {
// Prop are the properties for each field.
//
// Fields belonging to a oneof are stored in OneofTypes instead, with a
// single Properties representing the parent oneof held here.
//
// The order of Prop matches the order of fields in the Go struct.
// Struct fields that are not related to protobufs have a "XXX_" prefix
// in the Properties.Name and must be ignored by the user.
Prop []*Properties
// OneofTypes contains information about the oneof fields in this message.
// It is keyed by the protobuf field name.
OneofTypes map[string]*OneofProperties
}
// Properties represents the type information for a protobuf message field.
//
// Deprecated: Do not use.
type Properties struct {
// Name is a placeholder name with little meaningful semantic value.
// If the name has an "XXX_" prefix, the entire Properties must be ignored.
Name string
// OrigName is the protobuf field name or oneof name.
OrigName string
// JSONName is the JSON name for the protobuf field.
JSONName string
// Enum is a placeholder name for enums.
// For historical reasons, this is neither the Go name for the enum,
// nor the protobuf name for the enum.
Enum string // Deprecated: Do not use.
// Weak contains the full name of the weakly referenced message.
Weak string
// Wire is a string representation of the wire type.
Wire string
// WireType is the protobuf wire type for the field.
WireType int
// Tag is the protobuf field number.
Tag int
// Required reports whether this is a required field.
Required bool
// Optional reports whether this is a optional field.
Optional bool
// Repeated reports whether this is a repeated field.
Repeated bool
// Packed reports whether this is a packed repeated field of scalars.
Packed bool
// Proto3 reports whether this field operates under the proto3 syntax.
Proto3 bool
// Oneof reports whether this field belongs within a oneof.
Oneof bool
// Default is the default value in string form.
Default string
// HasDefault reports whether the field has a default value.
HasDefault bool
// MapKeyProp is the properties for the key field for a map field.
MapKeyProp *Properties
// MapValProp is the properties for the value field for a map field.
MapValProp *Properties
}
// OneofProperties represents the type information for a protobuf oneof.
//
// Deprecated: Do not use.
type OneofProperties struct {
// Type is a pointer to the generated wrapper type for the field value.
// This is nil for messages that are not in the open-struct API.
Type reflect.Type
// Field is the index into StructProperties.Prop for the containing oneof.
Field int
// Prop is the properties for the field.
Prop *Properties
}
// String formats the properties in the protobuf struct field tag style.
func (p *Properties) String() string {
s := p.Wire
s += "," + strconv.Itoa(p.Tag)
if p.Required {
s += ",req"
}
if p.Optional {
s += ",opt"
}
if p.Repeated {
s += ",rep"
}
if p.Packed {
s += ",packed"
}
s += ",name=" + p.OrigName
if p.JSONName != "" {
s += ",json=" + p.JSONName
}
if len(p.Enum) > 0 {
s += ",enum=" + p.Enum
}
if len(p.Weak) > 0 {
s += ",weak=" + p.Weak
}
if p.Proto3 {
s += ",proto3"
}
if p.Oneof {
s += ",oneof"
}
if p.HasDefault {
s += ",def=" + p.Default
}
return s
}
// Parse populates p by parsing a string in the protobuf struct field tag style.
func (p *Properties) Parse(tag string) {
// For example: "bytes,49,opt,name=foo,def=hello!"
for len(tag) > 0 {
i := strings.IndexByte(tag, ',')
if i < 0 {
i = len(tag)
}
switch s := tag[:i]; {
case strings.HasPrefix(s, "name="):
p.OrigName = s[len("name="):]
case strings.HasPrefix(s, "json="):
p.JSONName = s[len("json="):]
case strings.HasPrefix(s, "enum="):
p.Enum = s[len("enum="):]
case strings.HasPrefix(s, "weak="):
p.Weak = s[len("weak="):]
case strings.Trim(s, "0123456789") == "":
n, _ := strconv.ParseUint(s, 10, 32)
p.Tag = int(n)
case s == "opt":
p.Optional = true
case s == "req":
p.Required = true
case s == "rep":
p.Repeated = true
case s == "varint" || s == "zigzag32" || s == "zigzag64":
p.Wire = s
p.WireType = WireVarint
case s == "fixed32":
p.Wire = s
p.WireType = WireFixed32
case s == "fixed64":
p.Wire = s
p.WireType = WireFixed64
case s == "bytes":
p.Wire = s
p.WireType = WireBytes
case s == "group":
p.Wire = s
p.WireType = WireStartGroup
case s == "packed":
p.Packed = true
case s == "proto3":
p.Proto3 = true
case s == "oneof":
p.Oneof = true
case strings.HasPrefix(s, "def="):
// The default tag is special in that everything afterwards is the
// default regardless of the presence of commas.
p.HasDefault = true
p.Default, i = tag[len("def="):], len(tag)
}
tag = strings.TrimPrefix(tag[i:], ",")
}
}
// Init populates the properties from a protocol buffer struct tag.
//
// Deprecated: Do not use.
func (p *Properties) Init(typ reflect.Type, name, tag string, f *reflect.StructField) {
p.Name = name
p.OrigName = name
if tag == "" {
return
}
p.Parse(tag)
if typ != nil && typ.Kind() == reflect.Map {
p.MapKeyProp = new(Properties)
p.MapKeyProp.Init(nil, "Key", f.Tag.Get("protobuf_key"), nil)
p.MapValProp = new(Properties)
p.MapValProp.Init(nil, "Value", f.Tag.Get("protobuf_val"), nil)
}
}
var propertiesCache sync.Map // map[reflect.Type]*StructProperties
// GetProperties returns the list of properties for the type represented by t,
// which must be a generated protocol buffer message in the open-struct API,
// where protobuf message fields are represented by exported Go struct fields.
//
// Deprecated: Use protobuf reflection instead.
func GetProperties(t reflect.Type) *StructProperties {
if p, ok := propertiesCache.Load(t); ok {
return p.(*StructProperties)
}
p, _ := propertiesCache.LoadOrStore(t, newProperties(t))
return p.(*StructProperties)
}
func newProperties(t reflect.Type) *StructProperties {
if t.Kind() != reflect.Struct {
panic(fmt.Sprintf("%v is not a generated message in the open-struct API", t))
}
var hasOneof bool
prop := new(StructProperties)
// Construct a list of properties for each field in the struct.
for i := 0; i < t.NumField(); i++ {
p := new(Properties)
f := t.Field(i)
tagField := f.Tag.Get("protobuf")
p.Init(f.Type, f.Name, tagField, &f)
tagOneof := f.Tag.Get("protobuf_oneof")
if tagOneof != "" {
hasOneof = true
p.OrigName = tagOneof
}
// Rename unrelated struct fields with the "XXX_" prefix since so much
// user code simply checks for this to exclude special fields.
if tagField == "" && tagOneof == "" && !strings.HasPrefix(p.Name, "XXX_") {
p.Name = "XXX_" + p.Name
p.OrigName = "XXX_" + p.OrigName
} else if p.Weak != "" {
p.Name = p.OrigName // avoid possible "XXX_" prefix on weak field
}
prop.Prop = append(prop.Prop, p)
}
// Construct a mapping of oneof field names to properties.
if hasOneof {
var oneofWrappers []interface{}
if fn, ok := reflect.PtrTo(t).MethodByName("XXX_OneofFuncs"); ok {
oneofWrappers = fn.Func.Call([]reflect.Value{reflect.Zero(fn.Type.In(0))})[3].Interface().([]interface{})
}
if fn, ok := reflect.PtrTo(t).MethodByName("XXX_OneofWrappers"); ok {
oneofWrappers = fn.Func.Call([]reflect.Value{reflect.Zero(fn.Type.In(0))})[0].Interface().([]interface{})
}
if m, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(protoreflect.ProtoMessage); ok {
if m, ok := m.ProtoReflect().(interface{ ProtoMessageInfo() *protoimpl.MessageInfo }); ok {
oneofWrappers = m.ProtoMessageInfo().OneofWrappers
}
}
prop.OneofTypes = make(map[string]*OneofProperties)
for _, wrapper := range oneofWrappers {
p := &OneofProperties{
Type: reflect.ValueOf(wrapper).Type(), // *T
Prop: new(Properties),
}
f := p.Type.Elem().Field(0)
p.Prop.Name = f.Name
p.Prop.Parse(f.Tag.Get("protobuf"))
// Determine the struct field that contains this oneof.
// Each wrapper is assignable to exactly one parent field.
var foundOneof bool
for i := 0; i < t.NumField() && !foundOneof; i++ {
if p.Type.AssignableTo(t.Field(i).Type) {
p.Field = i
foundOneof = true
}
}
if !foundOneof {
panic(fmt.Sprintf("%v is not a generated message in the open-struct API", t))
}
prop.OneofTypes[p.Prop.OrigName] = p
}
}
return prop
}
func (sp *StructProperties) Len() int { return len(sp.Prop) }
func (sp *StructProperties) Less(i, j int) bool { return false }
func (sp *StructProperties) Swap(i, j int) { return }

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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package proto provides functionality for handling protocol buffer messages.
// In particular, it provides marshaling and unmarshaling between a protobuf
// message and the binary wire format.
//
// See https://developers.google.com/protocol-buffers/docs/gotutorial for
// more information.
//
// Deprecated: Use the "google.golang.org/protobuf/proto" package instead.
package proto
import (
protoV2 "google.golang.org/protobuf/proto"
"google.golang.org/protobuf/reflect/protoreflect"
"google.golang.org/protobuf/runtime/protoiface"
"google.golang.org/protobuf/runtime/protoimpl"
)
const (
ProtoPackageIsVersion1 = true
ProtoPackageIsVersion2 = true
ProtoPackageIsVersion3 = true
ProtoPackageIsVersion4 = true
)
// GeneratedEnum is any enum type generated by protoc-gen-go
// which is a named int32 kind.
// This type exists for documentation purposes.
type GeneratedEnum interface{}
// GeneratedMessage is any message type generated by protoc-gen-go
// which is a pointer to a named struct kind.
// This type exists for documentation purposes.
type GeneratedMessage interface{}
// Message is a protocol buffer message.
//
// This is the v1 version of the message interface and is marginally better
// than an empty interface as it lacks any method to programatically interact
// with the contents of the message.
//
// A v2 message is declared in "google.golang.org/protobuf/proto".Message and
// exposes protobuf reflection as a first-class feature of the interface.
//
// To convert a v1 message to a v2 message, use the MessageV2 function.
// To convert a v2 message to a v1 message, use the MessageV1 function.
type Message = protoiface.MessageV1
// MessageV1 converts either a v1 or v2 message to a v1 message.
// It returns nil if m is nil.
func MessageV1(m GeneratedMessage) protoiface.MessageV1 {
return protoimpl.X.ProtoMessageV1Of(m)
}
// MessageV2 converts either a v1 or v2 message to a v2 message.
// It returns nil if m is nil.
func MessageV2(m GeneratedMessage) protoV2.Message {
return protoimpl.X.ProtoMessageV2Of(m)
}
// MessageReflect returns a reflective view for a message.
// It returns nil if m is nil.
func MessageReflect(m Message) protoreflect.Message {
return protoimpl.X.MessageOf(m)
}
// Marshaler is implemented by messages that can marshal themselves.
// This interface is used by the following functions: Size, Marshal,
// Buffer.Marshal, and Buffer.EncodeMessage.
//
// Deprecated: Do not implement.
type Marshaler interface {
// Marshal formats the encoded bytes of the message.
// It should be deterministic and emit valid protobuf wire data.
// The caller takes ownership of the returned buffer.
Marshal() ([]byte, error)
}
// Unmarshaler is implemented by messages that can unmarshal themselves.
// This interface is used by the following functions: Unmarshal, UnmarshalMerge,
// Buffer.Unmarshal, Buffer.DecodeMessage, and Buffer.DecodeGroup.
//
// Deprecated: Do not implement.
type Unmarshaler interface {
// Unmarshal parses the encoded bytes of the protobuf wire input.
// The provided buffer is only valid for during method call.
// It should not reset the receiver message.
Unmarshal([]byte) error
}
// Merger is implemented by messages that can merge themselves.
// This interface is used by the following functions: Clone and Merge.
//
// Deprecated: Do not implement.
type Merger interface {
// Merge merges the contents of src into the receiver message.
// It clones all data structures in src such that it aliases no mutable
// memory referenced by src.
Merge(src Message)
}
// RequiredNotSetError is an error type returned when
// marshaling or unmarshaling a message with missing required fields.
type RequiredNotSetError struct {
err error
}
func (e *RequiredNotSetError) Error() string {
if e.err != nil {
return e.err.Error()
}
return "proto: required field not set"
}
func (e *RequiredNotSetError) RequiredNotSet() bool {
return true
}
func checkRequiredNotSet(m protoV2.Message) error {
if err := protoV2.CheckInitialized(m); err != nil {
return &RequiredNotSetError{err: err}
}
return nil
}
// Clone returns a deep copy of src.
func Clone(src Message) Message {
return MessageV1(protoV2.Clone(MessageV2(src)))
}
// Merge merges src into dst, which must be messages of the same type.
//
// Populated scalar fields in src are copied to dst, while populated
// singular messages in src are merged into dst by recursively calling Merge.
// The elements of every list field in src is appended to the corresponded
// list fields in dst. The entries of every map field in src is copied into
// the corresponding map field in dst, possibly replacing existing entries.
// The unknown fields of src are appended to the unknown fields of dst.
func Merge(dst, src Message) {
protoV2.Merge(MessageV2(dst), MessageV2(src))
}
// Equal reports whether two messages are equal.
// If two messages marshal to the same bytes under deterministic serialization,
// then Equal is guaranteed to report true.
//
// Two messages are equal if they are the same protobuf message type,
// have the same set of populated known and extension field values,
// and the same set of unknown fields values.
//
// Scalar values are compared with the equivalent of the == operator in Go,
// except bytes values which are compared using bytes.Equal and
// floating point values which specially treat NaNs as equal.
// Message values are compared by recursively calling Equal.
// Lists are equal if each element value is also equal.
// Maps are equal if they have the same set of keys, where the pair of values
// for each key is also equal.
func Equal(x, y Message) bool {
return protoV2.Equal(MessageV2(x), MessageV2(y))
}
func isMessageSet(md protoreflect.MessageDescriptor) bool {
ms, ok := md.(interface{ IsMessageSet() bool })
return ok && ms.IsMessageSet()
}

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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package proto
import (
"bytes"
"compress/gzip"
"fmt"
"io/ioutil"
"reflect"
"strings"
"sync"
"google.golang.org/protobuf/reflect/protoreflect"
"google.golang.org/protobuf/reflect/protoregistry"
"google.golang.org/protobuf/runtime/protoimpl"
)
// filePath is the path to the proto source file.
type filePath = string // e.g., "google/protobuf/descriptor.proto"
// fileDescGZIP is the compressed contents of the encoded FileDescriptorProto.
type fileDescGZIP = []byte
var fileCache sync.Map // map[filePath]fileDescGZIP
// RegisterFile is called from generated code to register the compressed
// FileDescriptorProto with the file path for a proto source file.
//
// Deprecated: Use protoregistry.GlobalFiles.RegisterFile instead.
func RegisterFile(s filePath, d fileDescGZIP) {
// Decompress the descriptor.
zr, err := gzip.NewReader(bytes.NewReader(d))
if err != nil {
panic(fmt.Sprintf("proto: invalid compressed file descriptor: %v", err))
}
b, err := ioutil.ReadAll(zr)
if err != nil {
panic(fmt.Sprintf("proto: invalid compressed file descriptor: %v", err))
}
// Construct a protoreflect.FileDescriptor from the raw descriptor.
// Note that DescBuilder.Build automatically registers the constructed
// file descriptor with the v2 registry.
protoimpl.DescBuilder{RawDescriptor: b}.Build()
// Locally cache the raw descriptor form for the file.
fileCache.Store(s, d)
}
// FileDescriptor returns the compressed FileDescriptorProto given the file path
// for a proto source file. It returns nil if not found.
//
// Deprecated: Use protoregistry.GlobalFiles.FindFileByPath instead.
func FileDescriptor(s filePath) fileDescGZIP {
if v, ok := fileCache.Load(s); ok {
return v.(fileDescGZIP)
}
// Find the descriptor in the v2 registry.
var b []byte
if fd, _ := protoregistry.GlobalFiles.FindFileByPath(s); fd != nil {
if fd, ok := fd.(interface{ ProtoLegacyRawDesc() []byte }); ok {
b = fd.ProtoLegacyRawDesc()
} else {
// TODO: Use protodesc.ToFileDescriptorProto to construct
// a descriptorpb.FileDescriptorProto and marshal it.
// However, doing so causes the proto package to have a dependency
// on descriptorpb, leading to cyclic dependency issues.
}
}
// Locally cache the raw descriptor form for the file.
if len(b) > 0 {
v, _ := fileCache.LoadOrStore(s, protoimpl.X.CompressGZIP(b))
return v.(fileDescGZIP)
}
return nil
}
// enumName is the name of an enum. For historical reasons, the enum name is
// neither the full Go name nor the full protobuf name of the enum.
// The name is the dot-separated combination of just the proto package that the
// enum is declared within followed by the Go type name of the generated enum.
type enumName = string // e.g., "my.proto.package.GoMessage_GoEnum"
// enumsByName maps enum values by name to their numeric counterpart.
type enumsByName = map[string]int32
// enumsByNumber maps enum values by number to their name counterpart.
type enumsByNumber = map[int32]string
var enumCache sync.Map // map[enumName]enumsByName
var numFilesCache sync.Map // map[protoreflect.FullName]int
// RegisterEnum is called from the generated code to register the mapping of
// enum value names to enum numbers for the enum identified by s.
//
// Deprecated: Use protoregistry.GlobalTypes.RegisterEnum instead.
func RegisterEnum(s enumName, _ enumsByNumber, m enumsByName) {
if _, ok := enumCache.Load(s); ok {
panic("proto: duplicate enum registered: " + s)
}
enumCache.Store(s, m)
// This does not forward registration to the v2 registry since this API
// lacks sufficient information to construct a complete v2 enum descriptor.
}
// EnumValueMap returns the mapping from enum value names to enum numbers for
// the enum of the given name. It returns nil if not found.
//
// Deprecated: Use protoregistry.GlobalTypes.FindEnumByName instead.
func EnumValueMap(s enumName) enumsByName {
if v, ok := enumCache.Load(s); ok {
return v.(enumsByName)
}
// Check whether the cache is stale. If the number of files in the current
// package differs, then it means that some enums may have been recently
// registered upstream that we do not know about.
var protoPkg protoreflect.FullName
if i := strings.LastIndexByte(s, '.'); i >= 0 {
protoPkg = protoreflect.FullName(s[:i])
}
v, _ := numFilesCache.Load(protoPkg)
numFiles, _ := v.(int)
if protoregistry.GlobalFiles.NumFilesByPackage(protoPkg) == numFiles {
return nil // cache is up-to-date; was not found earlier
}
// Update the enum cache for all enums declared in the given proto package.
numFiles = 0
protoregistry.GlobalFiles.RangeFilesByPackage(protoPkg, func(fd protoreflect.FileDescriptor) bool {
walkEnums(fd, func(ed protoreflect.EnumDescriptor) {
name := protoimpl.X.LegacyEnumName(ed)
if _, ok := enumCache.Load(name); !ok {
m := make(enumsByName)
evs := ed.Values()
for i := evs.Len() - 1; i >= 0; i-- {
ev := evs.Get(i)
m[string(ev.Name())] = int32(ev.Number())
}
enumCache.LoadOrStore(name, m)
}
})
numFiles++
return true
})
numFilesCache.Store(protoPkg, numFiles)
// Check cache again for enum map.
if v, ok := enumCache.Load(s); ok {
return v.(enumsByName)
}
return nil
}
// walkEnums recursively walks all enums declared in d.
func walkEnums(d interface {
Enums() protoreflect.EnumDescriptors
Messages() protoreflect.MessageDescriptors
}, f func(protoreflect.EnumDescriptor)) {
eds := d.Enums()
for i := eds.Len() - 1; i >= 0; i-- {
f(eds.Get(i))
}
mds := d.Messages()
for i := mds.Len() - 1; i >= 0; i-- {
walkEnums(mds.Get(i), f)
}
}
// messageName is the full name of protobuf message.
type messageName = string
var messageTypeCache sync.Map // map[messageName]reflect.Type
// RegisterType is called from generated code to register the message Go type
// for a message of the given name.
//
// Deprecated: Use protoregistry.GlobalTypes.RegisterMessage instead.
func RegisterType(m Message, s messageName) {
mt := protoimpl.X.LegacyMessageTypeOf(m, protoreflect.FullName(s))
if err := protoregistry.GlobalTypes.RegisterMessage(mt); err != nil {
panic(err)
}
messageTypeCache.Store(s, reflect.TypeOf(m))
}
// RegisterMapType is called from generated code to register the Go map type
// for a protobuf message representing a map entry.
//
// Deprecated: Do not use.
func RegisterMapType(m interface{}, s messageName) {
t := reflect.TypeOf(m)
if t.Kind() != reflect.Map {
panic(fmt.Sprintf("invalid map kind: %v", t))
}
if _, ok := messageTypeCache.Load(s); ok {
panic(fmt.Errorf("proto: duplicate proto message registered: %s", s))
}
messageTypeCache.Store(s, t)
}
// MessageType returns the message type for a named message.
// It returns nil if not found.
//
// Deprecated: Use protoregistry.GlobalTypes.FindMessageByName instead.
func MessageType(s messageName) reflect.Type {
if v, ok := messageTypeCache.Load(s); ok {
return v.(reflect.Type)
}
// Derive the message type from the v2 registry.
var t reflect.Type
if mt, _ := protoregistry.GlobalTypes.FindMessageByName(protoreflect.FullName(s)); mt != nil {
t = messageGoType(mt)
}
// If we could not get a concrete type, it is possible that it is a
// pseudo-message for a map entry.
if t == nil {
d, _ := protoregistry.GlobalFiles.FindDescriptorByName(protoreflect.FullName(s))
if md, _ := d.(protoreflect.MessageDescriptor); md != nil && md.IsMapEntry() {
kt := goTypeForField(md.Fields().ByNumber(1))
vt := goTypeForField(md.Fields().ByNumber(2))
t = reflect.MapOf(kt, vt)
}
}
// Locally cache the message type for the given name.
if t != nil {
v, _ := messageTypeCache.LoadOrStore(s, t)
return v.(reflect.Type)
}
return nil
}
func goTypeForField(fd protoreflect.FieldDescriptor) reflect.Type {
switch k := fd.Kind(); k {
case protoreflect.EnumKind:
if et, _ := protoregistry.GlobalTypes.FindEnumByName(fd.Enum().FullName()); et != nil {
return enumGoType(et)
}
return reflect.TypeOf(protoreflect.EnumNumber(0))
case protoreflect.MessageKind, protoreflect.GroupKind:
if mt, _ := protoregistry.GlobalTypes.FindMessageByName(fd.Message().FullName()); mt != nil {
return messageGoType(mt)
}
return reflect.TypeOf((*protoreflect.Message)(nil)).Elem()
default:
return reflect.TypeOf(fd.Default().Interface())
}
}
func enumGoType(et protoreflect.EnumType) reflect.Type {
return reflect.TypeOf(et.New(0))
}
func messageGoType(mt protoreflect.MessageType) reflect.Type {
return reflect.TypeOf(MessageV1(mt.Zero().Interface()))
}
// MessageName returns the full protobuf name for the given message type.
//
// Deprecated: Use protoreflect.MessageDescriptor.FullName instead.
func MessageName(m Message) messageName {
if m == nil {
return ""
}
if m, ok := m.(interface{ XXX_MessageName() messageName }); ok {
return m.XXX_MessageName()
}
return messageName(protoimpl.X.MessageDescriptorOf(m).FullName())
}
// RegisterExtension is called from the generated code to register
// the extension descriptor.
//
// Deprecated: Use protoregistry.GlobalTypes.RegisterExtension instead.
func RegisterExtension(d *ExtensionDesc) {
if err := protoregistry.GlobalTypes.RegisterExtension(d); err != nil {
panic(err)
}
}
type extensionsByNumber = map[int32]*ExtensionDesc
var extensionCache sync.Map // map[messageName]extensionsByNumber
// RegisteredExtensions returns a map of the registered extensions for the
// provided protobuf message, indexed by the extension field number.
//
// Deprecated: Use protoregistry.GlobalTypes.RangeExtensionsByMessage instead.
func RegisteredExtensions(m Message) extensionsByNumber {
// Check whether the cache is stale. If the number of extensions for
// the given message differs, then it means that some extensions were
// recently registered upstream that we do not know about.
s := MessageName(m)
v, _ := extensionCache.Load(s)
xs, _ := v.(extensionsByNumber)
if protoregistry.GlobalTypes.NumExtensionsByMessage(protoreflect.FullName(s)) == len(xs) {
return xs // cache is up-to-date
}
// Cache is stale, re-compute the extensions map.
xs = make(extensionsByNumber)
protoregistry.GlobalTypes.RangeExtensionsByMessage(protoreflect.FullName(s), func(xt protoreflect.ExtensionType) bool {
if xd, ok := xt.(*ExtensionDesc); ok {
xs[int32(xt.TypeDescriptor().Number())] = xd
} else {
// TODO: This implies that the protoreflect.ExtensionType is a
// custom type not generated by protoc-gen-go. We could try and
// convert the type to an ExtensionDesc.
}
return true
})
extensionCache.Store(s, xs)
return xs
}

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vendor/github.com/golang/protobuf/proto/text_decode.go generated vendored Normal file
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// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package proto
import (
"encoding"
"errors"
"fmt"
"reflect"
"strconv"
"strings"
"unicode/utf8"
"google.golang.org/protobuf/encoding/prototext"
protoV2 "google.golang.org/protobuf/proto"
"google.golang.org/protobuf/reflect/protoreflect"
"google.golang.org/protobuf/reflect/protoregistry"
)
const wrapTextUnmarshalV2 = false
// ParseError is returned by UnmarshalText.
type ParseError struct {
Message string
// Deprecated: Do not use.
Line, Offset int
}
func (e *ParseError) Error() string {
if wrapTextUnmarshalV2 {
return e.Message
}
if e.Line == 1 {
return fmt.Sprintf("line 1.%d: %v", e.Offset, e.Message)
}
return fmt.Sprintf("line %d: %v", e.Line, e.Message)
}
// UnmarshalText parses a proto text formatted string into m.
func UnmarshalText(s string, m Message) error {
if u, ok := m.(encoding.TextUnmarshaler); ok {
return u.UnmarshalText([]byte(s))
}
m.Reset()
mi := MessageV2(m)
if wrapTextUnmarshalV2 {
err := prototext.UnmarshalOptions{
AllowPartial: true,
}.Unmarshal([]byte(s), mi)
if err != nil {
return &ParseError{Message: err.Error()}
}
return checkRequiredNotSet(mi)
} else {
if err := newTextParser(s).unmarshalMessage(mi.ProtoReflect(), ""); err != nil {
return err
}
return checkRequiredNotSet(mi)
}
}
type textParser struct {
s string // remaining input
done bool // whether the parsing is finished (success or error)
backed bool // whether back() was called
offset, line int
cur token
}
type token struct {
value string
err *ParseError
line int // line number
offset int // byte number from start of input, not start of line
unquoted string // the unquoted version of value, if it was a quoted string
}
func newTextParser(s string) *textParser {
p := new(textParser)
p.s = s
p.line = 1
p.cur.line = 1
return p
}
func (p *textParser) unmarshalMessage(m protoreflect.Message, terminator string) (err error) {
md := m.Descriptor()
fds := md.Fields()
// A struct is a sequence of "name: value", terminated by one of
// '>' or '}', or the end of the input. A name may also be
// "[extension]" or "[type/url]".
//
// The whole struct can also be an expanded Any message, like:
// [type/url] < ... struct contents ... >
seen := make(map[protoreflect.FieldNumber]bool)
for {
tok := p.next()
if tok.err != nil {
return tok.err
}
if tok.value == terminator {
break
}
if tok.value == "[" {
if err := p.unmarshalExtensionOrAny(m, seen); err != nil {
return err
}
continue
}
// This is a normal, non-extension field.
name := protoreflect.Name(tok.value)
fd := fds.ByName(name)
switch {
case fd == nil:
gd := fds.ByName(protoreflect.Name(strings.ToLower(string(name))))
if gd != nil && gd.Kind() == protoreflect.GroupKind && gd.Message().Name() == name {
fd = gd
}
case fd.Kind() == protoreflect.GroupKind && fd.Message().Name() != name:
fd = nil
case fd.IsWeak() && fd.Message().IsPlaceholder():
fd = nil
}
if fd == nil {
typeName := string(md.FullName())
if m, ok := m.Interface().(Message); ok {
t := reflect.TypeOf(m)
if t.Kind() == reflect.Ptr {
typeName = t.Elem().String()
}
}
return p.errorf("unknown field name %q in %v", name, typeName)
}
if od := fd.ContainingOneof(); od != nil && m.WhichOneof(od) != nil {
return p.errorf("field '%s' would overwrite already parsed oneof '%s'", name, od.Name())
}
if fd.Cardinality() != protoreflect.Repeated && seen[fd.Number()] {
return p.errorf("non-repeated field %q was repeated", fd.Name())
}
seen[fd.Number()] = true
// Consume any colon.
if err := p.checkForColon(fd); err != nil {
return err
}
// Parse into the field.
v := m.Get(fd)
if !m.Has(fd) && (fd.IsList() || fd.IsMap() || fd.Message() != nil) {
v = m.Mutable(fd)
}
if v, err = p.unmarshalValue(v, fd); err != nil {
return err
}
m.Set(fd, v)
if err := p.consumeOptionalSeparator(); err != nil {
return err
}
}
return nil
}
func (p *textParser) unmarshalExtensionOrAny(m protoreflect.Message, seen map[protoreflect.FieldNumber]bool) error {
name, err := p.consumeExtensionOrAnyName()
if err != nil {
return err
}
// If it contains a slash, it's an Any type URL.
if slashIdx := strings.LastIndex(name, "/"); slashIdx >= 0 {
tok := p.next()
if tok.err != nil {
return tok.err
}
// consume an optional colon
if tok.value == ":" {
tok = p.next()
if tok.err != nil {
return tok.err
}
}
var terminator string
switch tok.value {
case "<":
terminator = ">"
case "{":
terminator = "}"
default:
return p.errorf("expected '{' or '<', found %q", tok.value)
}
mt, err := protoregistry.GlobalTypes.FindMessageByURL(name)
if err != nil {
return p.errorf("unrecognized message %q in google.protobuf.Any", name[slashIdx+len("/"):])
}
m2 := mt.New()
if err := p.unmarshalMessage(m2, terminator); err != nil {
return err
}
b, err := protoV2.Marshal(m2.Interface())
if err != nil {
return p.errorf("failed to marshal message of type %q: %v", name[slashIdx+len("/"):], err)
}
urlFD := m.Descriptor().Fields().ByName("type_url")
valFD := m.Descriptor().Fields().ByName("value")
if seen[urlFD.Number()] {
return p.errorf("Any message unpacked multiple times, or %q already set", urlFD.Name())
}
if seen[valFD.Number()] {
return p.errorf("Any message unpacked multiple times, or %q already set", valFD.Name())
}
m.Set(urlFD, protoreflect.ValueOfString(name))
m.Set(valFD, protoreflect.ValueOfBytes(b))
seen[urlFD.Number()] = true
seen[valFD.Number()] = true
return nil
}
xname := protoreflect.FullName(name)
xt, _ := protoregistry.GlobalTypes.FindExtensionByName(xname)
if xt == nil && isMessageSet(m.Descriptor()) {
xt, _ = protoregistry.GlobalTypes.FindExtensionByName(xname.Append("message_set_extension"))
}
if xt == nil {
return p.errorf("unrecognized extension %q", name)
}
fd := xt.TypeDescriptor()
if fd.ContainingMessage().FullName() != m.Descriptor().FullName() {
return p.errorf("extension field %q does not extend message %q", name, m.Descriptor().FullName())
}
if err := p.checkForColon(fd); err != nil {
return err
}
v := m.Get(fd)
if !m.Has(fd) && (fd.IsList() || fd.IsMap() || fd.Message() != nil) {
v = m.Mutable(fd)
}
v, err = p.unmarshalValue(v, fd)
if err != nil {
return err
}
m.Set(fd, v)
return p.consumeOptionalSeparator()
}
func (p *textParser) unmarshalValue(v protoreflect.Value, fd protoreflect.FieldDescriptor) (protoreflect.Value, error) {
tok := p.next()
if tok.err != nil {
return v, tok.err
}
if tok.value == "" {
return v, p.errorf("unexpected EOF")
}
switch {
case fd.IsList():
lv := v.List()
var err error
if tok.value == "[" {
// Repeated field with list notation, like [1,2,3].
for {
vv := lv.NewElement()
vv, err = p.unmarshalSingularValue(vv, fd)
if err != nil {
return v, err
}
lv.Append(vv)
tok := p.next()
if tok.err != nil {
return v, tok.err
}
if tok.value == "]" {
break
}
if tok.value != "," {
return v, p.errorf("Expected ']' or ',' found %q", tok.value)
}
}
return v, nil
}
// One value of the repeated field.
p.back()
vv := lv.NewElement()
vv, err = p.unmarshalSingularValue(vv, fd)
if err != nil {
return v, err
}
lv.Append(vv)
return v, nil
case fd.IsMap():
// The map entry should be this sequence of tokens:
// < key : KEY value : VALUE >
// However, implementations may omit key or value, and technically
// we should support them in any order.
var terminator string
switch tok.value {
case "<":
terminator = ">"
case "{":
terminator = "}"
default:
return v, p.errorf("expected '{' or '<', found %q", tok.value)
}
keyFD := fd.MapKey()
valFD := fd.MapValue()
mv := v.Map()
kv := keyFD.Default()
vv := mv.NewValue()
for {
tok := p.next()
if tok.err != nil {
return v, tok.err
}
if tok.value == terminator {
break
}
var err error
switch tok.value {
case "key":
if err := p.consumeToken(":"); err != nil {
return v, err
}
if kv, err = p.unmarshalSingularValue(kv, keyFD); err != nil {
return v, err
}
if err := p.consumeOptionalSeparator(); err != nil {
return v, err
}
case "value":
if err := p.checkForColon(valFD); err != nil {
return v, err
}
if vv, err = p.unmarshalSingularValue(vv, valFD); err != nil {
return v, err
}
if err := p.consumeOptionalSeparator(); err != nil {
return v, err
}
default:
p.back()
return v, p.errorf(`expected "key", "value", or %q, found %q`, terminator, tok.value)
}
}
mv.Set(kv.MapKey(), vv)
return v, nil
default:
p.back()
return p.unmarshalSingularValue(v, fd)
}
}
func (p *textParser) unmarshalSingularValue(v protoreflect.Value, fd protoreflect.FieldDescriptor) (protoreflect.Value, error) {
tok := p.next()
if tok.err != nil {
return v, tok.err
}
if tok.value == "" {
return v, p.errorf("unexpected EOF")
}
switch fd.Kind() {
case protoreflect.BoolKind:
switch tok.value {
case "true", "1", "t", "True":
return protoreflect.ValueOfBool(true), nil
case "false", "0", "f", "False":
return protoreflect.ValueOfBool(false), nil
}
case protoreflect.Int32Kind, protoreflect.Sint32Kind, protoreflect.Sfixed32Kind:
if x, err := strconv.ParseInt(tok.value, 0, 32); err == nil {
return protoreflect.ValueOfInt32(int32(x)), nil
}
// The C++ parser accepts large positive hex numbers that uses
// two's complement arithmetic to represent negative numbers.
// This feature is here for backwards compatibility with C++.
if strings.HasPrefix(tok.value, "0x") {
if x, err := strconv.ParseUint(tok.value, 0, 32); err == nil {
return protoreflect.ValueOfInt32(int32(-(int64(^x) + 1))), nil
}
}
case protoreflect.Int64Kind, protoreflect.Sint64Kind, protoreflect.Sfixed64Kind:
if x, err := strconv.ParseInt(tok.value, 0, 64); err == nil {
return protoreflect.ValueOfInt64(int64(x)), nil
}
// The C++ parser accepts large positive hex numbers that uses
// two's complement arithmetic to represent negative numbers.
// This feature is here for backwards compatibility with C++.
if strings.HasPrefix(tok.value, "0x") {
if x, err := strconv.ParseUint(tok.value, 0, 64); err == nil {
return protoreflect.ValueOfInt64(int64(-(int64(^x) + 1))), nil
}
}
case protoreflect.Uint32Kind, protoreflect.Fixed32Kind:
if x, err := strconv.ParseUint(tok.value, 0, 32); err == nil {
return protoreflect.ValueOfUint32(uint32(x)), nil
}
case protoreflect.Uint64Kind, protoreflect.Fixed64Kind:
if x, err := strconv.ParseUint(tok.value, 0, 64); err == nil {
return protoreflect.ValueOfUint64(uint64(x)), nil
}
case protoreflect.FloatKind:
// Ignore 'f' for compatibility with output generated by C++,
// but don't remove 'f' when the value is "-inf" or "inf".
v := tok.value
if strings.HasSuffix(v, "f") && v != "-inf" && v != "inf" {
v = v[:len(v)-len("f")]
}
if x, err := strconv.ParseFloat(v, 32); err == nil {
return protoreflect.ValueOfFloat32(float32(x)), nil
}
case protoreflect.DoubleKind:
// Ignore 'f' for compatibility with output generated by C++,
// but don't remove 'f' when the value is "-inf" or "inf".
v := tok.value
if strings.HasSuffix(v, "f") && v != "-inf" && v != "inf" {
v = v[:len(v)-len("f")]
}
if x, err := strconv.ParseFloat(v, 64); err == nil {
return protoreflect.ValueOfFloat64(float64(x)), nil
}
case protoreflect.StringKind:
if isQuote(tok.value[0]) {
return protoreflect.ValueOfString(tok.unquoted), nil
}
case protoreflect.BytesKind:
if isQuote(tok.value[0]) {
return protoreflect.ValueOfBytes([]byte(tok.unquoted)), nil
}
case protoreflect.EnumKind:
if x, err := strconv.ParseInt(tok.value, 0, 32); err == nil {
return protoreflect.ValueOfEnum(protoreflect.EnumNumber(x)), nil
}
vd := fd.Enum().Values().ByName(protoreflect.Name(tok.value))
if vd != nil {
return protoreflect.ValueOfEnum(vd.Number()), nil
}
case protoreflect.MessageKind, protoreflect.GroupKind:
var terminator string
switch tok.value {
case "{":
terminator = "}"
case "<":
terminator = ">"
default:
return v, p.errorf("expected '{' or '<', found %q", tok.value)
}
err := p.unmarshalMessage(v.Message(), terminator)
return v, err
default:
panic(fmt.Sprintf("invalid kind %v", fd.Kind()))
}
return v, p.errorf("invalid %v: %v", fd.Kind(), tok.value)
}
// Consume a ':' from the input stream (if the next token is a colon),
// returning an error if a colon is needed but not present.
func (p *textParser) checkForColon(fd protoreflect.FieldDescriptor) *ParseError {
tok := p.next()
if tok.err != nil {
return tok.err
}
if tok.value != ":" {
if fd.Message() == nil {
return p.errorf("expected ':', found %q", tok.value)
}
p.back()
}
return nil
}
// consumeExtensionOrAnyName consumes an extension name or an Any type URL and
// the following ']'. It returns the name or URL consumed.
func (p *textParser) consumeExtensionOrAnyName() (string, error) {
tok := p.next()
if tok.err != nil {
return "", tok.err
}
// If extension name or type url is quoted, it's a single token.
if len(tok.value) > 2 && isQuote(tok.value[0]) && tok.value[len(tok.value)-1] == tok.value[0] {
name, err := unquoteC(tok.value[1:len(tok.value)-1], rune(tok.value[0]))
if err != nil {
return "", err
}
return name, p.consumeToken("]")
}
// Consume everything up to "]"
var parts []string
for tok.value != "]" {
parts = append(parts, tok.value)
tok = p.next()
if tok.err != nil {
return "", p.errorf("unrecognized type_url or extension name: %s", tok.err)
}
if p.done && tok.value != "]" {
return "", p.errorf("unclosed type_url or extension name")
}
}
return strings.Join(parts, ""), nil
}
// consumeOptionalSeparator consumes an optional semicolon or comma.
// It is used in unmarshalMessage to provide backward compatibility.
func (p *textParser) consumeOptionalSeparator() error {
tok := p.next()
if tok.err != nil {
return tok.err
}
if tok.value != ";" && tok.value != "," {
p.back()
}
return nil
}
func (p *textParser) errorf(format string, a ...interface{}) *ParseError {
pe := &ParseError{fmt.Sprintf(format, a...), p.cur.line, p.cur.offset}
p.cur.err = pe
p.done = true
return pe
}
func (p *textParser) skipWhitespace() {
i := 0
for i < len(p.s) && (isWhitespace(p.s[i]) || p.s[i] == '#') {
if p.s[i] == '#' {
// comment; skip to end of line or input
for i < len(p.s) && p.s[i] != '\n' {
i++
}
if i == len(p.s) {
break
}
}
if p.s[i] == '\n' {
p.line++
}
i++
}
p.offset += i
p.s = p.s[i:len(p.s)]
if len(p.s) == 0 {
p.done = true
}
}
func (p *textParser) advance() {
// Skip whitespace
p.skipWhitespace()
if p.done {
return
}
// Start of non-whitespace
p.cur.err = nil
p.cur.offset, p.cur.line = p.offset, p.line
p.cur.unquoted = ""
switch p.s[0] {
case '<', '>', '{', '}', ':', '[', ']', ';', ',', '/':
// Single symbol
p.cur.value, p.s = p.s[0:1], p.s[1:len(p.s)]
case '"', '\'':
// Quoted string
i := 1
for i < len(p.s) && p.s[i] != p.s[0] && p.s[i] != '\n' {
if p.s[i] == '\\' && i+1 < len(p.s) {
// skip escaped char
i++
}
i++
}
if i >= len(p.s) || p.s[i] != p.s[0] {
p.errorf("unmatched quote")
return
}
unq, err := unquoteC(p.s[1:i], rune(p.s[0]))
if err != nil {
p.errorf("invalid quoted string %s: %v", p.s[0:i+1], err)
return
}
p.cur.value, p.s = p.s[0:i+1], p.s[i+1:len(p.s)]
p.cur.unquoted = unq
default:
i := 0
for i < len(p.s) && isIdentOrNumberChar(p.s[i]) {
i++
}
if i == 0 {
p.errorf("unexpected byte %#x", p.s[0])
return
}
p.cur.value, p.s = p.s[0:i], p.s[i:len(p.s)]
}
p.offset += len(p.cur.value)
}
// Back off the parser by one token. Can only be done between calls to next().
// It makes the next advance() a no-op.
func (p *textParser) back() { p.backed = true }
// Advances the parser and returns the new current token.
func (p *textParser) next() *token {
if p.backed || p.done {
p.backed = false
return &p.cur
}
p.advance()
if p.done {
p.cur.value = ""
} else if len(p.cur.value) > 0 && isQuote(p.cur.value[0]) {
// Look for multiple quoted strings separated by whitespace,
// and concatenate them.
cat := p.cur
for {
p.skipWhitespace()
if p.done || !isQuote(p.s[0]) {
break
}
p.advance()
if p.cur.err != nil {
return &p.cur
}
cat.value += " " + p.cur.value
cat.unquoted += p.cur.unquoted
}
p.done = false // parser may have seen EOF, but we want to return cat
p.cur = cat
}
return &p.cur
}
func (p *textParser) consumeToken(s string) error {
tok := p.next()
if tok.err != nil {
return tok.err
}
if tok.value != s {
p.back()
return p.errorf("expected %q, found %q", s, tok.value)
}
return nil
}
var errBadUTF8 = errors.New("proto: bad UTF-8")
func unquoteC(s string, quote rune) (string, error) {
// This is based on C++'s tokenizer.cc.
// Despite its name, this is *not* parsing C syntax.
// For instance, "\0" is an invalid quoted string.
// Avoid allocation in trivial cases.
simple := true
for _, r := range s {
if r == '\\' || r == quote {
simple = false
break
}
}
if simple {
return s, nil
}
buf := make([]byte, 0, 3*len(s)/2)
for len(s) > 0 {
r, n := utf8.DecodeRuneInString(s)
if r == utf8.RuneError && n == 1 {
return "", errBadUTF8
}
s = s[n:]
if r != '\\' {
if r < utf8.RuneSelf {
buf = append(buf, byte(r))
} else {
buf = append(buf, string(r)...)
}
continue
}
ch, tail, err := unescape(s)
if err != nil {
return "", err
}
buf = append(buf, ch...)
s = tail
}
return string(buf), nil
}
func unescape(s string) (ch string, tail string, err error) {
r, n := utf8.DecodeRuneInString(s)
if r == utf8.RuneError && n == 1 {
return "", "", errBadUTF8
}
s = s[n:]
switch r {
case 'a':
return "\a", s, nil
case 'b':
return "\b", s, nil
case 'f':
return "\f", s, nil
case 'n':
return "\n", s, nil
case 'r':
return "\r", s, nil
case 't':
return "\t", s, nil
case 'v':
return "\v", s, nil
case '?':
return "?", s, nil // trigraph workaround
case '\'', '"', '\\':
return string(r), s, nil
case '0', '1', '2', '3', '4', '5', '6', '7':
if len(s) < 2 {
return "", "", fmt.Errorf(`\%c requires 2 following digits`, r)
}
ss := string(r) + s[:2]
s = s[2:]
i, err := strconv.ParseUint(ss, 8, 8)
if err != nil {
return "", "", fmt.Errorf(`\%s contains non-octal digits`, ss)
}
return string([]byte{byte(i)}), s, nil
case 'x', 'X', 'u', 'U':
var n int
switch r {
case 'x', 'X':
n = 2
case 'u':
n = 4
case 'U':
n = 8
}
if len(s) < n {
return "", "", fmt.Errorf(`\%c requires %d following digits`, r, n)
}
ss := s[:n]
s = s[n:]
i, err := strconv.ParseUint(ss, 16, 64)
if err != nil {
return "", "", fmt.Errorf(`\%c%s contains non-hexadecimal digits`, r, ss)
}
if r == 'x' || r == 'X' {
return string([]byte{byte(i)}), s, nil
}
if i > utf8.MaxRune {
return "", "", fmt.Errorf(`\%c%s is not a valid Unicode code point`, r, ss)
}
return string(rune(i)), s, nil
}
return "", "", fmt.Errorf(`unknown escape \%c`, r)
}
func isIdentOrNumberChar(c byte) bool {
switch {
case 'A' <= c && c <= 'Z', 'a' <= c && c <= 'z':
return true
case '0' <= c && c <= '9':
return true
}
switch c {
case '-', '+', '.', '_':
return true
}
return false
}
func isWhitespace(c byte) bool {
switch c {
case ' ', '\t', '\n', '\r':
return true
}
return false
}
func isQuote(c byte) bool {
switch c {
case '"', '\'':
return true
}
return false
}

560
vendor/github.com/golang/protobuf/proto/text_encode.go generated vendored Normal file
View file

@ -0,0 +1,560 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package proto
import (
"bytes"
"encoding"
"fmt"
"io"
"math"
"sort"
"strings"
"google.golang.org/protobuf/encoding/prototext"
"google.golang.org/protobuf/encoding/protowire"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/reflect/protoreflect"
"google.golang.org/protobuf/reflect/protoregistry"
)
const wrapTextMarshalV2 = false
// TextMarshaler is a configurable text format marshaler.
type TextMarshaler struct {
Compact bool // use compact text format (one line)
ExpandAny bool // expand google.protobuf.Any messages of known types
}
// Marshal writes the proto text format of m to w.
func (tm *TextMarshaler) Marshal(w io.Writer, m Message) error {
b, err := tm.marshal(m)
if len(b) > 0 {
if _, err := w.Write(b); err != nil {
return err
}
}
return err
}
// Text returns a proto text formatted string of m.
func (tm *TextMarshaler) Text(m Message) string {
b, _ := tm.marshal(m)
return string(b)
}
func (tm *TextMarshaler) marshal(m Message) ([]byte, error) {
mr := MessageReflect(m)
if mr == nil || !mr.IsValid() {
return []byte("<nil>"), nil
}
if wrapTextMarshalV2 {
if m, ok := m.(encoding.TextMarshaler); ok {
return m.MarshalText()
}
opts := prototext.MarshalOptions{
AllowPartial: true,
EmitUnknown: true,
}
if !tm.Compact {
opts.Indent = " "
}
if !tm.ExpandAny {
opts.Resolver = (*protoregistry.Types)(nil)
}
return opts.Marshal(mr.Interface())
} else {
w := &textWriter{
compact: tm.Compact,
expandAny: tm.ExpandAny,
complete: true,
}
if m, ok := m.(encoding.TextMarshaler); ok {
b, err := m.MarshalText()
if err != nil {
return nil, err
}
w.Write(b)
return w.buf, nil
}
err := w.writeMessage(mr)
return w.buf, err
}
}
var (
defaultTextMarshaler = TextMarshaler{}
compactTextMarshaler = TextMarshaler{Compact: true}
)
// MarshalText writes the proto text format of m to w.
func MarshalText(w io.Writer, m Message) error { return defaultTextMarshaler.Marshal(w, m) }
// MarshalTextString returns a proto text formatted string of m.
func MarshalTextString(m Message) string { return defaultTextMarshaler.Text(m) }
// CompactText writes the compact proto text format of m to w.
func CompactText(w io.Writer, m Message) error { return compactTextMarshaler.Marshal(w, m) }
// CompactTextString returns a compact proto text formatted string of m.
func CompactTextString(m Message) string { return compactTextMarshaler.Text(m) }
var (
newline = []byte("\n")
endBraceNewline = []byte("}\n")
posInf = []byte("inf")
negInf = []byte("-inf")
nan = []byte("nan")
)
// textWriter is an io.Writer that tracks its indentation level.
type textWriter struct {
compact bool // same as TextMarshaler.Compact
expandAny bool // same as TextMarshaler.ExpandAny
complete bool // whether the current position is a complete line
indent int // indentation level; never negative
buf []byte
}
func (w *textWriter) Write(p []byte) (n int, _ error) {
newlines := bytes.Count(p, newline)
if newlines == 0 {
if !w.compact && w.complete {
w.writeIndent()
}
w.buf = append(w.buf, p...)
w.complete = false
return len(p), nil
}
frags := bytes.SplitN(p, newline, newlines+1)
if w.compact {
for i, frag := range frags {
if i > 0 {
w.buf = append(w.buf, ' ')
n++
}
w.buf = append(w.buf, frag...)
n += len(frag)
}
return n, nil
}
for i, frag := range frags {
if w.complete {
w.writeIndent()
}
w.buf = append(w.buf, frag...)
n += len(frag)
if i+1 < len(frags) {
w.buf = append(w.buf, '\n')
n++
}
}
w.complete = len(frags[len(frags)-1]) == 0
return n, nil
}
func (w *textWriter) WriteByte(c byte) error {
if w.compact && c == '\n' {
c = ' '
}
if !w.compact && w.complete {
w.writeIndent()
}
w.buf = append(w.buf, c)
w.complete = c == '\n'
return nil
}
func (w *textWriter) writeName(fd protoreflect.FieldDescriptor) {
if !w.compact && w.complete {
w.writeIndent()
}
w.complete = false
if fd.Kind() != protoreflect.GroupKind {
w.buf = append(w.buf, fd.Name()...)
w.WriteByte(':')
} else {
// Use message type name for group field name.
w.buf = append(w.buf, fd.Message().Name()...)
}
if !w.compact {
w.WriteByte(' ')
}
}
func requiresQuotes(u string) bool {
// When type URL contains any characters except [0-9A-Za-z./\-]*, it must be quoted.
for _, ch := range u {
switch {
case ch == '.' || ch == '/' || ch == '_':
continue
case '0' <= ch && ch <= '9':
continue
case 'A' <= ch && ch <= 'Z':
continue
case 'a' <= ch && ch <= 'z':
continue
default:
return true
}
}
return false
}
// writeProto3Any writes an expanded google.protobuf.Any message.
//
// It returns (false, nil) if sv value can't be unmarshaled (e.g. because
// required messages are not linked in).
//
// It returns (true, error) when sv was written in expanded format or an error
// was encountered.
func (w *textWriter) writeProto3Any(m protoreflect.Message) (bool, error) {
md := m.Descriptor()
fdURL := md.Fields().ByName("type_url")
fdVal := md.Fields().ByName("value")
url := m.Get(fdURL).String()
mt, err := protoregistry.GlobalTypes.FindMessageByURL(url)
if err != nil {
return false, nil
}
b := m.Get(fdVal).Bytes()
m2 := mt.New()
if err := proto.Unmarshal(b, m2.Interface()); err != nil {
return false, nil
}
w.Write([]byte("["))
if requiresQuotes(url) {
w.writeQuotedString(url)
} else {
w.Write([]byte(url))
}
if w.compact {
w.Write([]byte("]:<"))
} else {
w.Write([]byte("]: <\n"))
w.indent++
}
if err := w.writeMessage(m2); err != nil {
return true, err
}
if w.compact {
w.Write([]byte("> "))
} else {
w.indent--
w.Write([]byte(">\n"))
}
return true, nil
}
func (w *textWriter) writeMessage(m protoreflect.Message) error {
md := m.Descriptor()
if w.expandAny && md.FullName() == "google.protobuf.Any" {
if canExpand, err := w.writeProto3Any(m); canExpand {
return err
}
}
fds := md.Fields()
for i := 0; i < fds.Len(); {
fd := fds.Get(i)
if od := fd.ContainingOneof(); od != nil {
fd = m.WhichOneof(od)
i += od.Fields().Len()
} else {
i++
}
if fd == nil || !m.Has(fd) {
continue
}
switch {
case fd.IsList():
lv := m.Get(fd).List()
for j := 0; j < lv.Len(); j++ {
w.writeName(fd)
v := lv.Get(j)
if err := w.writeSingularValue(v, fd); err != nil {
return err
}
w.WriteByte('\n')
}
case fd.IsMap():
kfd := fd.MapKey()
vfd := fd.MapValue()
mv := m.Get(fd).Map()
type entry struct{ key, val protoreflect.Value }
var entries []entry
mv.Range(func(k protoreflect.MapKey, v protoreflect.Value) bool {
entries = append(entries, entry{k.Value(), v})
return true
})
sort.Slice(entries, func(i, j int) bool {
switch kfd.Kind() {
case protoreflect.BoolKind:
return !entries[i].key.Bool() && entries[j].key.Bool()
case protoreflect.Int32Kind, protoreflect.Sint32Kind, protoreflect.Sfixed32Kind, protoreflect.Int64Kind, protoreflect.Sint64Kind, protoreflect.Sfixed64Kind:
return entries[i].key.Int() < entries[j].key.Int()
case protoreflect.Uint32Kind, protoreflect.Fixed32Kind, protoreflect.Uint64Kind, protoreflect.Fixed64Kind:
return entries[i].key.Uint() < entries[j].key.Uint()
case protoreflect.StringKind:
return entries[i].key.String() < entries[j].key.String()
default:
panic("invalid kind")
}
})
for _, entry := range entries {
w.writeName(fd)
w.WriteByte('<')
if !w.compact {
w.WriteByte('\n')
}
w.indent++
w.writeName(kfd)
if err := w.writeSingularValue(entry.key, kfd); err != nil {
return err
}
w.WriteByte('\n')
w.writeName(vfd)
if err := w.writeSingularValue(entry.val, vfd); err != nil {
return err
}
w.WriteByte('\n')
w.indent--
w.WriteByte('>')
w.WriteByte('\n')
}
default:
w.writeName(fd)
if err := w.writeSingularValue(m.Get(fd), fd); err != nil {
return err
}
w.WriteByte('\n')
}
}
if b := m.GetUnknown(); len(b) > 0 {
w.writeUnknownFields(b)
}
return w.writeExtensions(m)
}
func (w *textWriter) writeSingularValue(v protoreflect.Value, fd protoreflect.FieldDescriptor) error {
switch fd.Kind() {
case protoreflect.FloatKind, protoreflect.DoubleKind:
switch vf := v.Float(); {
case math.IsInf(vf, +1):
w.Write(posInf)
case math.IsInf(vf, -1):
w.Write(negInf)
case math.IsNaN(vf):
w.Write(nan)
default:
fmt.Fprint(w, v.Interface())
}
case protoreflect.StringKind:
// NOTE: This does not validate UTF-8 for historical reasons.
w.writeQuotedString(string(v.String()))
case protoreflect.BytesKind:
w.writeQuotedString(string(v.Bytes()))
case protoreflect.MessageKind, protoreflect.GroupKind:
var bra, ket byte = '<', '>'
if fd.Kind() == protoreflect.GroupKind {
bra, ket = '{', '}'
}
w.WriteByte(bra)
if !w.compact {
w.WriteByte('\n')
}
w.indent++
m := v.Message()
if m2, ok := m.Interface().(encoding.TextMarshaler); ok {
b, err := m2.MarshalText()
if err != nil {
return err
}
w.Write(b)
} else {
w.writeMessage(m)
}
w.indent--
w.WriteByte(ket)
case protoreflect.EnumKind:
if ev := fd.Enum().Values().ByNumber(v.Enum()); ev != nil {
fmt.Fprint(w, ev.Name())
} else {
fmt.Fprint(w, v.Enum())
}
default:
fmt.Fprint(w, v.Interface())
}
return nil
}
// writeQuotedString writes a quoted string in the protocol buffer text format.
func (w *textWriter) writeQuotedString(s string) {
w.WriteByte('"')
for i := 0; i < len(s); i++ {
switch c := s[i]; c {
case '\n':
w.buf = append(w.buf, `\n`...)
case '\r':
w.buf = append(w.buf, `\r`...)
case '\t':
w.buf = append(w.buf, `\t`...)
case '"':
w.buf = append(w.buf, `\"`...)
case '\\':
w.buf = append(w.buf, `\\`...)
default:
if isPrint := c >= 0x20 && c < 0x7f; isPrint {
w.buf = append(w.buf, c)
} else {
w.buf = append(w.buf, fmt.Sprintf(`\%03o`, c)...)
}
}
}
w.WriteByte('"')
}
func (w *textWriter) writeUnknownFields(b []byte) {
if !w.compact {
fmt.Fprintf(w, "/* %d unknown bytes */\n", len(b))
}
for len(b) > 0 {
num, wtyp, n := protowire.ConsumeTag(b)
if n < 0 {
return
}
b = b[n:]
if wtyp == protowire.EndGroupType {
w.indent--
w.Write(endBraceNewline)
continue
}
fmt.Fprint(w, num)
if wtyp != protowire.StartGroupType {
w.WriteByte(':')
}
if !w.compact || wtyp == protowire.StartGroupType {
w.WriteByte(' ')
}
switch wtyp {
case protowire.VarintType:
v, n := protowire.ConsumeVarint(b)
if n < 0 {
return
}
b = b[n:]
fmt.Fprint(w, v)
case protowire.Fixed32Type:
v, n := protowire.ConsumeFixed32(b)
if n < 0 {
return
}
b = b[n:]
fmt.Fprint(w, v)
case protowire.Fixed64Type:
v, n := protowire.ConsumeFixed64(b)
if n < 0 {
return
}
b = b[n:]
fmt.Fprint(w, v)
case protowire.BytesType:
v, n := protowire.ConsumeBytes(b)
if n < 0 {
return
}
b = b[n:]
fmt.Fprintf(w, "%q", v)
case protowire.StartGroupType:
w.WriteByte('{')
w.indent++
default:
fmt.Fprintf(w, "/* unknown wire type %d */", wtyp)
}
w.WriteByte('\n')
}
}
// writeExtensions writes all the extensions in m.
func (w *textWriter) writeExtensions(m protoreflect.Message) error {
md := m.Descriptor()
if md.ExtensionRanges().Len() == 0 {
return nil
}
type ext struct {
desc protoreflect.FieldDescriptor
val protoreflect.Value
}
var exts []ext
m.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool {
if fd.IsExtension() {
exts = append(exts, ext{fd, v})
}
return true
})
sort.Slice(exts, func(i, j int) bool {
return exts[i].desc.Number() < exts[j].desc.Number()
})
for _, ext := range exts {
// For message set, use the name of the message as the extension name.
name := string(ext.desc.FullName())
if isMessageSet(ext.desc.ContainingMessage()) {
name = strings.TrimSuffix(name, ".message_set_extension")
}
if !ext.desc.IsList() {
if err := w.writeSingularExtension(name, ext.val, ext.desc); err != nil {
return err
}
} else {
lv := ext.val.List()
for i := 0; i < lv.Len(); i++ {
if err := w.writeSingularExtension(name, lv.Get(i), ext.desc); err != nil {
return err
}
}
}
}
return nil
}
func (w *textWriter) writeSingularExtension(name string, v protoreflect.Value, fd protoreflect.FieldDescriptor) error {
fmt.Fprintf(w, "[%s]:", name)
if !w.compact {
w.WriteByte(' ')
}
if err := w.writeSingularValue(v, fd); err != nil {
return err
}
w.WriteByte('\n')
return nil
}
func (w *textWriter) writeIndent() {
if !w.complete {
return
}
for i := 0; i < w.indent*2; i++ {
w.buf = append(w.buf, ' ')
}
w.complete = false
}

78
vendor/github.com/golang/protobuf/proto/wire.go generated vendored Normal file
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@ -0,0 +1,78 @@
// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package proto
import (
protoV2 "google.golang.org/protobuf/proto"
"google.golang.org/protobuf/runtime/protoiface"
)
// Size returns the size in bytes of the wire-format encoding of m.
func Size(m Message) int {
if m == nil {
return 0
}
mi := MessageV2(m)
return protoV2.Size(mi)
}
// Marshal returns the wire-format encoding of m.
func Marshal(m Message) ([]byte, error) {
b, err := marshalAppend(nil, m, false)
if b == nil {
b = zeroBytes
}
return b, err
}
var zeroBytes = make([]byte, 0, 0)
func marshalAppend(buf []byte, m Message, deterministic bool) ([]byte, error) {
if m == nil {
return nil, ErrNil
}
mi := MessageV2(m)
nbuf, err := protoV2.MarshalOptions{
Deterministic: deterministic,
AllowPartial: true,
}.MarshalAppend(buf, mi)
if err != nil {
return buf, err
}
if len(buf) == len(nbuf) {
if !mi.ProtoReflect().IsValid() {
return buf, ErrNil
}
}
return nbuf, checkRequiredNotSet(mi)
}
// Unmarshal parses a wire-format message in b and places the decoded results in m.
//
// Unmarshal resets m before starting to unmarshal, so any existing data in m is always
// removed. Use UnmarshalMerge to preserve and append to existing data.
func Unmarshal(b []byte, m Message) error {
m.Reset()
return UnmarshalMerge(b, m)
}
// UnmarshalMerge parses a wire-format message in b and places the decoded results in m.
func UnmarshalMerge(b []byte, m Message) error {
mi := MessageV2(m)
out, err := protoV2.UnmarshalOptions{
AllowPartial: true,
Merge: true,
}.UnmarshalState(protoiface.UnmarshalInput{
Buf: b,
Message: mi.ProtoReflect(),
})
if err != nil {
return err
}
if out.Flags&protoiface.UnmarshalInitialized > 0 {
return nil
}
return checkRequiredNotSet(mi)
}

34
vendor/github.com/golang/protobuf/proto/wrappers.go generated vendored Normal file
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@ -0,0 +1,34 @@
// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package proto
// Bool stores v in a new bool value and returns a pointer to it.
func Bool(v bool) *bool { return &v }
// Int stores v in a new int32 value and returns a pointer to it.
//
// Deprecated: Use Int32 instead.
func Int(v int) *int32 { return Int32(int32(v)) }
// Int32 stores v in a new int32 value and returns a pointer to it.
func Int32(v int32) *int32 { return &v }
// Int64 stores v in a new int64 value and returns a pointer to it.
func Int64(v int64) *int64 { return &v }
// Uint32 stores v in a new uint32 value and returns a pointer to it.
func Uint32(v uint32) *uint32 { return &v }
// Uint64 stores v in a new uint64 value and returns a pointer to it.
func Uint64(v uint64) *uint64 { return &v }
// Float32 stores v in a new float32 value and returns a pointer to it.
func Float32(v float32) *float32 { return &v }
// Float64 stores v in a new float64 value and returns a pointer to it.
func Float64(v float64) *float64 { return &v }
// String stores v in a new string value and returns a pointer to it.
func String(v string) *string { return &v }

74
vendor/github.com/golang/protobuf/protoc-gen-go/main.go generated vendored Normal file
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@ -0,0 +1,74 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// protoc-gen-go is a plugin for the Google protocol buffer compiler to generate
// Go code. Install it by building this program and making it accessible within
// your PATH with the name:
// protoc-gen-go
//
// The 'go' suffix becomes part of the argument for the protocol compiler,
// such that it can be invoked as:
// protoc --go_out=paths=source_relative:. path/to/file.proto
//
// This generates Go bindings for the protocol buffer defined by file.proto.
// With that input, the output will be written to:
// path/to/file.pb.go
//
// See the README and documentation for protocol buffers to learn more:
// https://developers.google.com/protocol-buffers/
package main
import (
"flag"
"fmt"
"strings"
"github.com/golang/protobuf/internal/gengogrpc"
gengo "google.golang.org/protobuf/cmd/protoc-gen-go/internal_gengo"
"google.golang.org/protobuf/compiler/protogen"
)
func main() {
var (
flags flag.FlagSet
plugins = flags.String("plugins", "", "list of plugins to enable (supported values: grpc)")
importPrefix = flags.String("import_prefix", "", "prefix to prepend to import paths")
)
importRewriteFunc := func(importPath protogen.GoImportPath) protogen.GoImportPath {
switch importPath {
case "context", "fmt", "math":
return importPath
}
if *importPrefix != "" {
return protogen.GoImportPath(*importPrefix) + importPath
}
return importPath
}
protogen.Options{
ParamFunc: flags.Set,
ImportRewriteFunc: importRewriteFunc,
}.Run(func(gen *protogen.Plugin) error {
grpc := false
for _, plugin := range strings.Split(*plugins, ",") {
switch plugin {
case "grpc":
grpc = true
case "":
default:
return fmt.Errorf("protoc-gen-go: unknown plugin %q", plugin)
}
}
for _, f := range gen.Files {
if !f.Generate {
continue
}
g := gengo.GenerateFile(gen, f)
if grpc {
gengogrpc.GenerateFileContent(gen, f, g)
}
}
gen.SupportedFeatures = gengo.SupportedFeatures
return nil
})
}

165
vendor/github.com/golang/protobuf/ptypes/any.go generated vendored Normal file
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@ -0,0 +1,165 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ptypes
import (
"fmt"
"strings"
"github.com/golang/protobuf/proto"
"google.golang.org/protobuf/reflect/protoreflect"
"google.golang.org/protobuf/reflect/protoregistry"
anypb "github.com/golang/protobuf/ptypes/any"
)
const urlPrefix = "type.googleapis.com/"
// AnyMessageName returns the message name contained in an anypb.Any message.
// Most type assertions should use the Is function instead.
func AnyMessageName(any *anypb.Any) (string, error) {
name, err := anyMessageName(any)
return string(name), err
}
func anyMessageName(any *anypb.Any) (protoreflect.FullName, error) {
if any == nil {
return "", fmt.Errorf("message is nil")
}
name := protoreflect.FullName(any.TypeUrl)
if i := strings.LastIndex(any.TypeUrl, "/"); i >= 0 {
name = name[i+len("/"):]
}
if !name.IsValid() {
return "", fmt.Errorf("message type url %q is invalid", any.TypeUrl)
}
return name, nil
}
// MarshalAny marshals the given message m into an anypb.Any message.
func MarshalAny(m proto.Message) (*anypb.Any, error) {
switch dm := m.(type) {
case DynamicAny:
m = dm.Message
case *DynamicAny:
if dm == nil {
return nil, proto.ErrNil
}
m = dm.Message
}
b, err := proto.Marshal(m)
if err != nil {
return nil, err
}
return &anypb.Any{TypeUrl: urlPrefix + proto.MessageName(m), Value: b}, nil
}
// Empty returns a new message of the type specified in an anypb.Any message.
// It returns protoregistry.NotFound if the corresponding message type could not
// be resolved in the global registry.
func Empty(any *anypb.Any) (proto.Message, error) {
name, err := anyMessageName(any)
if err != nil {
return nil, err
}
mt, err := protoregistry.GlobalTypes.FindMessageByName(name)
if err != nil {
return nil, err
}
return proto.MessageV1(mt.New().Interface()), nil
}
// UnmarshalAny unmarshals the encoded value contained in the anypb.Any message
// into the provided message m. It returns an error if the target message
// does not match the type in the Any message or if an unmarshal error occurs.
//
// The target message m may be a *DynamicAny message. If the underlying message
// type could not be resolved, then this returns protoregistry.NotFound.
func UnmarshalAny(any *anypb.Any, m proto.Message) error {
if dm, ok := m.(*DynamicAny); ok {
if dm.Message == nil {
var err error
dm.Message, err = Empty(any)
if err != nil {
return err
}
}
m = dm.Message
}
anyName, err := AnyMessageName(any)
if err != nil {
return err
}
msgName := proto.MessageName(m)
if anyName != msgName {
return fmt.Errorf("mismatched message type: got %q want %q", anyName, msgName)
}
return proto.Unmarshal(any.Value, m)
}
// Is reports whether the Any message contains a message of the specified type.
func Is(any *anypb.Any, m proto.Message) bool {
if any == nil || m == nil {
return false
}
name := proto.MessageName(m)
if !strings.HasSuffix(any.TypeUrl, name) {
return false
}
return len(any.TypeUrl) == len(name) || any.TypeUrl[len(any.TypeUrl)-len(name)-1] == '/'
}
// DynamicAny is a value that can be passed to UnmarshalAny to automatically
// allocate a proto.Message for the type specified in an anypb.Any message.
// The allocated message is stored in the embedded proto.Message.
//
// Example:
// var x ptypes.DynamicAny
// if err := ptypes.UnmarshalAny(a, &x); err != nil { ... }
// fmt.Printf("unmarshaled message: %v", x.Message)
type DynamicAny struct{ proto.Message }
func (m DynamicAny) String() string {
if m.Message == nil {
return "<nil>"
}
return m.Message.String()
}
func (m DynamicAny) Reset() {
if m.Message == nil {
return
}
m.Message.Reset()
}
func (m DynamicAny) ProtoMessage() {
return
}
func (m DynamicAny) ProtoReflect() protoreflect.Message {
if m.Message == nil {
return nil
}
return dynamicAny{proto.MessageReflect(m.Message)}
}
type dynamicAny struct{ protoreflect.Message }
func (m dynamicAny) Type() protoreflect.MessageType {
return dynamicAnyType{m.Message.Type()}
}
func (m dynamicAny) New() protoreflect.Message {
return dynamicAnyType{m.Message.Type()}.New()
}
func (m dynamicAny) Interface() protoreflect.ProtoMessage {
return DynamicAny{proto.MessageV1(m.Message.Interface())}
}
type dynamicAnyType struct{ protoreflect.MessageType }
func (t dynamicAnyType) New() protoreflect.Message {
return dynamicAny{t.MessageType.New()}
}
func (t dynamicAnyType) Zero() protoreflect.Message {
return dynamicAny{t.MessageType.Zero()}
}

62
vendor/github.com/golang/protobuf/ptypes/any/any.pb.go generated vendored Normal file
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@ -0,0 +1,62 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: github.com/golang/protobuf/ptypes/any/any.proto
package any
import (
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
anypb "google.golang.org/protobuf/types/known/anypb"
reflect "reflect"
)
// Symbols defined in public import of google/protobuf/any.proto.
type Any = anypb.Any
var File_github_com_golang_protobuf_ptypes_any_any_proto protoreflect.FileDescriptor
var file_github_com_golang_protobuf_ptypes_any_any_proto_rawDesc = []byte{
0x0a, 0x2f, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f, 0x6c,
0x61, 0x6e, 0x67, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x70, 0x74, 0x79,
0x70, 0x65, 0x73, 0x2f, 0x61, 0x6e, 0x79, 0x2f, 0x61, 0x6e, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74,
0x6f, 0x1a, 0x19, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62,
0x75, 0x66, 0x2f, 0x61, 0x6e, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x42, 0x2b, 0x5a, 0x29,
0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f, 0x6c, 0x61, 0x6e,
0x67, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x70, 0x74, 0x79, 0x70, 0x65,
0x73, 0x2f, 0x61, 0x6e, 0x79, 0x3b, 0x61, 0x6e, 0x79, 0x50, 0x00, 0x62, 0x06, 0x70, 0x72, 0x6f,
0x74, 0x6f, 0x33,
}
var file_github_com_golang_protobuf_ptypes_any_any_proto_goTypes = []interface{}{}
var file_github_com_golang_protobuf_ptypes_any_any_proto_depIdxs = []int32{
0, // [0:0] is the sub-list for method output_type
0, // [0:0] is the sub-list for method input_type
0, // [0:0] is the sub-list for extension type_name
0, // [0:0] is the sub-list for extension extendee
0, // [0:0] is the sub-list for field type_name
}
func init() { file_github_com_golang_protobuf_ptypes_any_any_proto_init() }
func file_github_com_golang_protobuf_ptypes_any_any_proto_init() {
if File_github_com_golang_protobuf_ptypes_any_any_proto != nil {
return
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_github_com_golang_protobuf_ptypes_any_any_proto_rawDesc,
NumEnums: 0,
NumMessages: 0,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_github_com_golang_protobuf_ptypes_any_any_proto_goTypes,
DependencyIndexes: file_github_com_golang_protobuf_ptypes_any_any_proto_depIdxs,
}.Build()
File_github_com_golang_protobuf_ptypes_any_any_proto = out.File
file_github_com_golang_protobuf_ptypes_any_any_proto_rawDesc = nil
file_github_com_golang_protobuf_ptypes_any_any_proto_goTypes = nil
file_github_com_golang_protobuf_ptypes_any_any_proto_depIdxs = nil
}

6
vendor/github.com/golang/protobuf/ptypes/doc.go generated vendored Normal file
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@ -0,0 +1,6 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package ptypes provides functionality for interacting with well-known types.
package ptypes

72
vendor/github.com/golang/protobuf/ptypes/duration.go generated vendored Normal file
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@ -0,0 +1,72 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ptypes
import (
"errors"
"fmt"
"time"
durationpb "github.com/golang/protobuf/ptypes/duration"
)
// Range of google.protobuf.Duration as specified in duration.proto.
// This is about 10,000 years in seconds.
const (
maxSeconds = int64(10000 * 365.25 * 24 * 60 * 60)
minSeconds = -maxSeconds
)
// Duration converts a durationpb.Duration to a time.Duration.
// Duration returns an error if dur is invalid or overflows a time.Duration.
func Duration(dur *durationpb.Duration) (time.Duration, error) {
if err := validateDuration(dur); err != nil {
return 0, err
}
d := time.Duration(dur.Seconds) * time.Second
if int64(d/time.Second) != dur.Seconds {
return 0, fmt.Errorf("duration: %v is out of range for time.Duration", dur)
}
if dur.Nanos != 0 {
d += time.Duration(dur.Nanos) * time.Nanosecond
if (d < 0) != (dur.Nanos < 0) {
return 0, fmt.Errorf("duration: %v is out of range for time.Duration", dur)
}
}
return d, nil
}
// DurationProto converts a time.Duration to a durationpb.Duration.
func DurationProto(d time.Duration) *durationpb.Duration {
nanos := d.Nanoseconds()
secs := nanos / 1e9
nanos -= secs * 1e9
return &durationpb.Duration{
Seconds: int64(secs),
Nanos: int32(nanos),
}
}
// validateDuration determines whether the durationpb.Duration is valid
// according to the definition in google/protobuf/duration.proto.
// A valid durpb.Duration may still be too large to fit into a time.Duration
// Note that the range of durationpb.Duration is about 10,000 years,
// while the range of time.Duration is about 290 years.
func validateDuration(dur *durationpb.Duration) error {
if dur == nil {
return errors.New("duration: nil Duration")
}
if dur.Seconds < minSeconds || dur.Seconds > maxSeconds {
return fmt.Errorf("duration: %v: seconds out of range", dur)
}
if dur.Nanos <= -1e9 || dur.Nanos >= 1e9 {
return fmt.Errorf("duration: %v: nanos out of range", dur)
}
// Seconds and Nanos must have the same sign, unless d.Nanos is zero.
if (dur.Seconds < 0 && dur.Nanos > 0) || (dur.Seconds > 0 && dur.Nanos < 0) {
return fmt.Errorf("duration: %v: seconds and nanos have different signs", dur)
}
return nil
}

63
vendor/github.com/golang/protobuf/ptypes/duration/duration.pb.go generated vendored Normal file
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@ -0,0 +1,63 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: github.com/golang/protobuf/ptypes/duration/duration.proto
package duration
import (
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
durationpb "google.golang.org/protobuf/types/known/durationpb"
reflect "reflect"
)
// Symbols defined in public import of google/protobuf/duration.proto.
type Duration = durationpb.Duration
var File_github_com_golang_protobuf_ptypes_duration_duration_proto protoreflect.FileDescriptor
var file_github_com_golang_protobuf_ptypes_duration_duration_proto_rawDesc = []byte{
0x0a, 0x39, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f, 0x6c,
0x61, 0x6e, 0x67, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x70, 0x74, 0x79,
0x70, 0x65, 0x73, 0x2f, 0x64, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2f, 0x64, 0x75, 0x72,
0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x1e, 0x67, 0x6f, 0x6f,
0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x64, 0x75, 0x72,
0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x42, 0x35, 0x5a, 0x33, 0x67,
0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f, 0x6c, 0x61, 0x6e, 0x67,
0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x70, 0x74, 0x79, 0x70, 0x65, 0x73,
0x2f, 0x64, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x3b, 0x64, 0x75, 0x72, 0x61, 0x74, 0x69,
0x6f, 0x6e, 0x50, 0x00, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
}
var file_github_com_golang_protobuf_ptypes_duration_duration_proto_goTypes = []interface{}{}
var file_github_com_golang_protobuf_ptypes_duration_duration_proto_depIdxs = []int32{
0, // [0:0] is the sub-list for method output_type
0, // [0:0] is the sub-list for method input_type
0, // [0:0] is the sub-list for extension type_name
0, // [0:0] is the sub-list for extension extendee
0, // [0:0] is the sub-list for field type_name
}
func init() { file_github_com_golang_protobuf_ptypes_duration_duration_proto_init() }
func file_github_com_golang_protobuf_ptypes_duration_duration_proto_init() {
if File_github_com_golang_protobuf_ptypes_duration_duration_proto != nil {
return
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_github_com_golang_protobuf_ptypes_duration_duration_proto_rawDesc,
NumEnums: 0,
NumMessages: 0,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_github_com_golang_protobuf_ptypes_duration_duration_proto_goTypes,
DependencyIndexes: file_github_com_golang_protobuf_ptypes_duration_duration_proto_depIdxs,
}.Build()
File_github_com_golang_protobuf_ptypes_duration_duration_proto = out.File
file_github_com_golang_protobuf_ptypes_duration_duration_proto_rawDesc = nil
file_github_com_golang_protobuf_ptypes_duration_duration_proto_goTypes = nil
file_github_com_golang_protobuf_ptypes_duration_duration_proto_depIdxs = nil
}

103
vendor/github.com/golang/protobuf/ptypes/timestamp.go generated vendored Normal file
View file

@ -0,0 +1,103 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ptypes
import (
"errors"
"fmt"
"time"
timestamppb "github.com/golang/protobuf/ptypes/timestamp"
)
// Range of google.protobuf.Duration as specified in timestamp.proto.
const (
// Seconds field of the earliest valid Timestamp.
// This is time.Date(1, 1, 1, 0, 0, 0, 0, time.UTC).Unix().
minValidSeconds = -62135596800
// Seconds field just after the latest valid Timestamp.
// This is time.Date(10000, 1, 1, 0, 0, 0, 0, time.UTC).Unix().
maxValidSeconds = 253402300800
)
// Timestamp converts a timestamppb.Timestamp to a time.Time.
// It returns an error if the argument is invalid.
//
// Unlike most Go functions, if Timestamp returns an error, the first return
// value is not the zero time.Time. Instead, it is the value obtained from the
// time.Unix function when passed the contents of the Timestamp, in the UTC
// locale. This may or may not be a meaningful time; many invalid Timestamps
// do map to valid time.Times.
//
// A nil Timestamp returns an error. The first return value in that case is
// undefined.
func Timestamp(ts *timestamppb.Timestamp) (time.Time, error) {
// Don't return the zero value on error, because corresponds to a valid
// timestamp. Instead return whatever time.Unix gives us.
var t time.Time
if ts == nil {
t = time.Unix(0, 0).UTC() // treat nil like the empty Timestamp
} else {
t = time.Unix(ts.Seconds, int64(ts.Nanos)).UTC()
}
return t, validateTimestamp(ts)
}
// TimestampNow returns a google.protobuf.Timestamp for the current time.
func TimestampNow() *timestamppb.Timestamp {
ts, err := TimestampProto(time.Now())
if err != nil {
panic("ptypes: time.Now() out of Timestamp range")
}
return ts
}
// TimestampProto converts the time.Time to a google.protobuf.Timestamp proto.
// It returns an error if the resulting Timestamp is invalid.
func TimestampProto(t time.Time) (*timestamppb.Timestamp, error) {
ts := &timestamppb.Timestamp{
Seconds: t.Unix(),
Nanos: int32(t.Nanosecond()),
}
if err := validateTimestamp(ts); err != nil {
return nil, err
}
return ts, nil
}
// TimestampString returns the RFC 3339 string for valid Timestamps.
// For invalid Timestamps, it returns an error message in parentheses.
func TimestampString(ts *timestamppb.Timestamp) string {
t, err := Timestamp(ts)
if err != nil {
return fmt.Sprintf("(%v)", err)
}
return t.Format(time.RFC3339Nano)
}
// validateTimestamp determines whether a Timestamp is valid.
// A valid timestamp represents a time in the range [0001-01-01, 10000-01-01)
// and has a Nanos field in the range [0, 1e9).
//
// If the Timestamp is valid, validateTimestamp returns nil.
// Otherwise, it returns an error that describes the problem.
//
// Every valid Timestamp can be represented by a time.Time,
// but the converse is not true.
func validateTimestamp(ts *timestamppb.Timestamp) error {
if ts == nil {
return errors.New("timestamp: nil Timestamp")
}
if ts.Seconds < minValidSeconds {
return fmt.Errorf("timestamp: %v before 0001-01-01", ts)
}
if ts.Seconds >= maxValidSeconds {
return fmt.Errorf("timestamp: %v after 10000-01-01", ts)
}
if ts.Nanos < 0 || ts.Nanos >= 1e9 {
return fmt.Errorf("timestamp: %v: nanos not in range [0, 1e9)", ts)
}
return nil
}

64
vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.pb.go generated vendored Normal file
View file

@ -0,0 +1,64 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: github.com/golang/protobuf/ptypes/timestamp/timestamp.proto
package timestamp
import (
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
timestamppb "google.golang.org/protobuf/types/known/timestamppb"
reflect "reflect"
)
// Symbols defined in public import of google/protobuf/timestamp.proto.
type Timestamp = timestamppb.Timestamp
var File_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto protoreflect.FileDescriptor
var file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_rawDesc = []byte{
0x0a, 0x3b, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f, 0x6c,
0x61, 0x6e, 0x67, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x70, 0x74, 0x79,
0x70, 0x65, 0x73, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2f, 0x74, 0x69,
0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x1f, 0x67,
0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x74,
0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x42, 0x37,
0x5a, 0x35, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f, 0x6c,
0x61, 0x6e, 0x67, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x70, 0x74, 0x79,
0x70, 0x65, 0x73, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x3b, 0x74, 0x69,
0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x50, 0x00, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
0x33,
}
var file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_goTypes = []interface{}{}
var file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_depIdxs = []int32{
0, // [0:0] is the sub-list for method output_type
0, // [0:0] is the sub-list for method input_type
0, // [0:0] is the sub-list for extension type_name
0, // [0:0] is the sub-list for extension extendee
0, // [0:0] is the sub-list for field type_name
}
func init() { file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_init() }
func file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_init() {
if File_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto != nil {
return
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_rawDesc,
NumEnums: 0,
NumMessages: 0,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_goTypes,
DependencyIndexes: file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_depIdxs,
}.Build()
File_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto = out.File
file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_rawDesc = nil
file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_goTypes = nil
file_github_com_golang_protobuf_ptypes_timestamp_timestamp_proto_depIdxs = nil
}

166
vendor/github.com/google/go-cmp/cmp/compare.go generated vendored
View file

@ -1,11 +1,15 @@
// Copyright 2017, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
// Package cmp determines equality of values.
//
// This package is intended to be a more powerful and safer alternative to
// reflect.DeepEqual for comparing whether two values are semantically equal.
// It is intended to only be used in tests, as performance is not a goal and
// it may panic if it cannot compare the values. Its propensity towards
// panicking means that its unsuitable for production environments where a
// spurious panic may be fatal.
//
// The primary features of cmp are:
//
@ -22,8 +26,8 @@
// equality is determined by recursively comparing the primitive kinds on both
// values, much like reflect.DeepEqual. Unlike reflect.DeepEqual, unexported
// fields are not compared by default; they result in panics unless suppressed
// by using an Ignore option (see cmpopts.IgnoreUnexported) or explicitly compared
// using the AllowUnexported option.
// by using an Ignore option (see cmpopts.IgnoreUnexported) or explicitly
// compared using the Exporter option.
package cmp
import (
@ -62,8 +66,8 @@ import (
//
// Structs are equal if recursively calling Equal on all fields report equal.
// If a struct contains unexported fields, Equal panics unless an Ignore option
// (e.g., cmpopts.IgnoreUnexported) ignores that field or the AllowUnexported
// option explicitly permits comparing the unexported field.
// (e.g., cmpopts.IgnoreUnexported) ignores that field or the Exporter option
// explicitly permits comparing the unexported field.
//
// Slices are equal if they are both nil or both non-nil, where recursively
// calling Equal on all non-ignored slice or array elements report equal.
@ -80,7 +84,58 @@ import (
// Pointers and interfaces are equal if they are both nil or both non-nil,
// where they have the same underlying concrete type and recursively
// calling Equal on the underlying values reports equal.
//
// Before recursing into a pointer, slice element, or map, the current path
// is checked to detect whether the address has already been visited.
// If there is a cycle, then the pointed at values are considered equal
// only if both addresses were previously visited in the same path step.
func Equal(x, y interface{}, opts ...Option) bool {
s := newState(opts)
s.compareAny(rootStep(x, y))
return s.result.Equal()
}
// Diff returns a human-readable report of the differences between two values:
// y - x. It returns an empty string if and only if Equal returns true for the
// same input values and options.
//
// The output is displayed as a literal in pseudo-Go syntax.
// At the start of each line, a "-" prefix indicates an element removed from x,
// a "+" prefix to indicates an element added from y, and the lack of a prefix
// indicates an element common to both x and y. If possible, the output
// uses fmt.Stringer.String or error.Error methods to produce more humanly
// readable outputs. In such cases, the string is prefixed with either an
// 's' or 'e' character, respectively, to indicate that the method was called.
//
// Do not depend on this output being stable. If you need the ability to
// programmatically interpret the difference, consider using a custom Reporter.
func Diff(x, y interface{}, opts ...Option) string {
s := newState(opts)
// Optimization: If there are no other reporters, we can optimize for the
// common case where the result is equal (and thus no reported difference).
// This avoids the expensive construction of a difference tree.
if len(s.reporters) == 0 {
s.compareAny(rootStep(x, y))
if s.result.Equal() {
return ""
}
s.result = diff.Result{} // Reset results
}
r := new(defaultReporter)
s.reporters = append(s.reporters, reporter{r})
s.compareAny(rootStep(x, y))
d := r.String()
if (d == "") != s.result.Equal() {
panic("inconsistent difference and equality results")
}
return d
}
// rootStep constructs the first path step. If x and y have differing types,
// then they are stored within an empty interface type.
func rootStep(x, y interface{}) PathStep {
vx := reflect.ValueOf(x)
vy := reflect.ValueOf(y)
@ -103,33 +158,7 @@ func Equal(x, y interface{}, opts ...Option) bool {
t = vx.Type()
}
s := newState(opts)
s.compareAny(&pathStep{t, vx, vy})
return s.result.Equal()
}
// Diff returns a human-readable report of the differences between two values.
// It returns an empty string if and only if Equal returns true for the same
// input values and options.
//
// The output is displayed as a literal in pseudo-Go syntax.
// At the start of each line, a "-" prefix indicates an element removed from x,
// a "+" prefix to indicates an element added to y, and the lack of a prefix
// indicates an element common to both x and y. If possible, the output
// uses fmt.Stringer.String or error.Error methods to produce more humanly
// readable outputs. In such cases, the string is prefixed with either an
// 's' or 'e' character, respectively, to indicate that the method was called.
//
// Do not depend on this output being stable. If you need the ability to
// programmatically interpret the difference, consider using a custom Reporter.
func Diff(x, y interface{}, opts ...Option) string {
r := new(defaultReporter)
eq := Equal(x, y, Options(opts), Reporter(r))
d := r.String()
if (d == "") != eq {
panic("inconsistent difference and equality results")
}
return d
return &pathStep{t, vx, vy}
}
type state struct {
@ -137,6 +166,7 @@ type state struct {
// Calling statelessCompare must not result in observable changes to these.
result diff.Result // The current result of comparison
curPath Path // The current path in the value tree
curPtrs pointerPath // The current set of visited pointers
reporters []reporter // Optional reporters
// recChecker checks for infinite cycles applying the same set of
@ -148,13 +178,14 @@ type state struct {
dynChecker dynChecker
// These fields, once set by processOption, will not change.
exporters map[reflect.Type]bool // Set of structs with unexported field visibility
exporters []exporter // List of exporters for structs with unexported fields
opts Options // List of all fundamental and filter options
}
func newState(opts []Option) *state {
// Always ensure a validator option exists to validate the inputs.
s := &state{opts: Options{validator{}}}
s.curPtrs.Init()
s.processOption(Options(opts))
return s
}
@ -174,13 +205,8 @@ func (s *state) processOption(opt Option) {
panic(fmt.Sprintf("cannot use an unfiltered option: %v", opt))
}
s.opts = append(s.opts, opt)
case visibleStructs:
if s.exporters == nil {
s.exporters = make(map[reflect.Type]bool)
}
for t := range opt {
s.exporters[t] = true
}
case exporter:
s.exporters = append(s.exporters, opt)
case reporter:
s.reporters = append(s.reporters, opt)
default:
@ -192,9 +218,9 @@ func (s *state) processOption(opt Option) {
// This function is stateless in that it does not alter the current result,
// or output to any registered reporters.
func (s *state) statelessCompare(step PathStep) diff.Result {
// We do not save and restore the curPath because all of the compareX
// methods should properly push and pop from the path.
// It is an implementation bug if the contents of curPath differs from
// We do not save and restore curPath and curPtrs because all of the
// compareX methods should properly push and pop from them.
// It is an implementation bug if the contents of the paths differ from
// when calling this function to when returning from it.
oldResult, oldReporters := s.result, s.reporters
@ -216,9 +242,17 @@ func (s *state) compareAny(step PathStep) {
}
s.recChecker.Check(s.curPath)
// Obtain the current type and values.
// Cycle-detection for slice elements (see NOTE in compareSlice).
t := step.Type()
vx, vy := step.Values()
if si, ok := step.(SliceIndex); ok && si.isSlice && vx.IsValid() && vy.IsValid() {
px, py := vx.Addr(), vy.Addr()
if eq, visited := s.curPtrs.Push(px, py); visited {
s.report(eq, reportByCycle)
return
}
defer s.curPtrs.Pop(px, py)
}
// Rule 1: Check whether an option applies on this node in the value tree.
if s.tryOptions(t, vx, vy) {
@ -342,7 +376,7 @@ func detectRaces(c chan<- reflect.Value, f reflect.Value, vs ...reflect.Value) {
// assuming that T is assignable to R.
// Otherwise, it returns the input value as is.
func sanitizeValue(v reflect.Value, t reflect.Type) reflect.Value {
// TODO(dsnet): Workaround for reflect bug (https://golang.org/issue/22143).
// TODO(≥go1.10): Workaround for reflect bug (https://golang.org/issue/22143).
if !flags.AtLeastGo110 {
if v.Kind() == reflect.Interface && v.IsNil() && v.Type() != t {
return reflect.New(t).Elem()
@ -352,8 +386,10 @@ func sanitizeValue(v reflect.Value, t reflect.Type) reflect.Value {
}
func (s *state) compareStruct(t reflect.Type, vx, vy reflect.Value) {
var addr bool
var vax, vay reflect.Value // Addressable versions of vx and vy
var mayForce, mayForceInit bool
step := StructField{&structField{}}
for i := 0; i < t.NumField(); i++ {
step.typ = t.Field(i).Type
@ -372,10 +408,18 @@ func (s *state) compareStruct(t reflect.Type, vx, vy reflect.Value) {
// For retrieveUnexportedField to work, the parent struct must
// be addressable. Create a new copy of the values if
// necessary to make them addressable.
addr = vx.CanAddr() || vy.CanAddr()
vax = makeAddressable(vx)
vay = makeAddressable(vy)
}
step.mayForce = s.exporters[t]
if !mayForceInit {
for _, xf := range s.exporters {
mayForce = mayForce || xf(t)
}
mayForceInit = true
}
step.mayForce = mayForce
step.paddr = addr
step.pvx = vax
step.pvy = vay
step.field = t.Field(i)
@ -391,9 +435,21 @@ func (s *state) compareSlice(t reflect.Type, vx, vy reflect.Value) {
return
}
// TODO: Support cyclic data structures.
// NOTE: It is incorrect to call curPtrs.Push on the slice header pointer
// since slices represents a list of pointers, rather than a single pointer.
// The pointer checking logic must be handled on a per-element basis
// in compareAny.
//
// A slice header (see reflect.SliceHeader) in Go is a tuple of a starting
// pointer P, a length N, and a capacity C. Supposing each slice element has
// a memory size of M, then the slice is equivalent to the list of pointers:
// [P+i*M for i in range(N)]
//
// For example, v[:0] and v[:1] are slices with the same starting pointer,
// but they are clearly different values. Using the slice pointer alone
// violates the assumption that equal pointers implies equal values.
step := SliceIndex{&sliceIndex{pathStep: pathStep{typ: t.Elem()}}}
step := SliceIndex{&sliceIndex{pathStep: pathStep{typ: t.Elem()}, isSlice: isSlice}}
withIndexes := func(ix, iy int) SliceIndex {
if ix >= 0 {
step.vx, step.xkey = vx.Index(ix), ix
@ -470,7 +526,12 @@ func (s *state) compareMap(t reflect.Type, vx, vy reflect.Value) {
return
}
// TODO: Support cyclic data structures.
// Cycle-detection for maps.
if eq, visited := s.curPtrs.Push(vx, vy); visited {
s.report(eq, reportByCycle)
return
}
defer s.curPtrs.Pop(vx, vy)
// We combine and sort the two map keys so that we can perform the
// comparisons in a deterministic order.
@ -507,7 +568,12 @@ func (s *state) comparePtr(t reflect.Type, vx, vy reflect.Value) {
return
}
// TODO: Support cyclic data structures.
// Cycle-detection for pointers.
if eq, visited := s.curPtrs.Push(vx, vy); visited {
s.report(eq, reportByCycle)
return
}
defer s.curPtrs.Pop(vx, vy)
vx, vy = vx.Elem(), vy.Elem()
s.compareAny(Indirect{&indirect{pathStep{t.Elem(), vx, vy}}})

8
vendor/github.com/google/go-cmp/cmp/export_panic.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2017, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
// +build purego
@ -8,8 +8,8 @@ package cmp
import "reflect"
const supportAllowUnexported = false
const supportExporters = false
func retrieveUnexportedField(reflect.Value, reflect.StructField) reflect.Value {
panic("retrieveUnexportedField is not implemented")
func retrieveUnexportedField(reflect.Value, reflect.StructField, bool) reflect.Value {
panic("no support for forcibly accessing unexported fields")
}

22
vendor/github.com/google/go-cmp/cmp/export_unsafe.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2017, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
// +build !purego
@ -11,13 +11,25 @@ import (
"unsafe"
)
const supportAllowUnexported = true
const supportExporters = true
// retrieveUnexportedField uses unsafe to forcibly retrieve any field from
// a struct such that the value has read-write permissions.
//
// The parent struct, v, must be addressable, while f must be a StructField
// describing the field to retrieve.
func retrieveUnexportedField(v reflect.Value, f reflect.StructField) reflect.Value {
return reflect.NewAt(f.Type, unsafe.Pointer(v.UnsafeAddr()+f.Offset)).Elem()
// describing the field to retrieve. If addr is false,
// then the returned value will be shallowed copied to be non-addressable.
func retrieveUnexportedField(v reflect.Value, f reflect.StructField, addr bool) reflect.Value {
ve := reflect.NewAt(f.Type, unsafe.Pointer(uintptr(unsafe.Pointer(v.UnsafeAddr()))+f.Offset)).Elem()
if !addr {
// A field is addressable if and only if the struct is addressable.
// If the original parent value was not addressable, shallow copy the
// value to make it non-addressable to avoid leaking an implementation
// detail of how forcibly exporting a field works.
if ve.Kind() == reflect.Interface && ve.IsNil() {
return reflect.Zero(f.Type)
}
return reflect.ValueOf(ve.Interface()).Convert(f.Type)
}
return ve
}

2
vendor/github.com/google/go-cmp/cmp/internal/diff/debug_disable.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2017, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
// +build !cmp_debug

2
vendor/github.com/google/go-cmp/cmp/internal/diff/debug_enable.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2017, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
// +build cmp_debug

44
vendor/github.com/google/go-cmp/cmp/internal/diff/diff.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2017, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
// Package diff implements an algorithm for producing edit-scripts.
// The edit-script is a sequence of operations needed to transform one list
@ -12,6 +12,13 @@
// is more important than obtaining a minimal Levenshtein distance.
package diff
import (
"math/rand"
"time"
"github.com/google/go-cmp/cmp/internal/flags"
)
// EditType represents a single operation within an edit-script.
type EditType uint8
@ -112,6 +119,8 @@ func (r Result) Similar() bool {
return r.NumSame+1 >= r.NumDiff
}
var randBool = rand.New(rand.NewSource(time.Now().Unix())).Intn(2) == 0
// Difference reports whether two lists of lengths nx and ny are equal
// given the definition of equality provided as f.
//
@ -177,6 +186,11 @@ func Difference(nx, ny int, f EqualFunc) (es EditScript) {
// approximately the square-root of the search budget.
searchBudget := 4 * (nx + ny) // O(n)
// Running the tests with the "cmp_debug" build tag prints a visualization
// of the algorithm running in real-time. This is educational for
// understanding how the algorithm works. See debug_enable.go.
f = debug.Begin(nx, ny, f, &fwdPath.es, &revPath.es)
// The algorithm below is a greedy, meet-in-the-middle algorithm for
// computing sub-optimal edit-scripts between two lists.
//
@ -194,20 +208,26 @@ func Difference(nx, ny int, f EqualFunc) (es EditScript) {
// frontier towards the opposite corner.
// • This algorithm terminates when either the X coordinates or the
// Y coordinates of the forward and reverse frontier points ever intersect.
//
// This algorithm is correct even if searching only in the forward direction
// or in the reverse direction. We do both because it is commonly observed
// that two lists commonly differ because elements were added to the front
// or end of the other list.
//
// Running the tests with the "cmp_debug" build tag prints a visualization
// of the algorithm running in real-time. This is educational for
// understanding how the algorithm works. See debug_enable.go.
f = debug.Begin(nx, ny, f, &fwdPath.es, &revPath.es)
for {
// Non-deterministically start with either the forward or reverse direction
// to introduce some deliberate instability so that we have the flexibility
// to change this algorithm in the future.
if flags.Deterministic || randBool {
goto forwardSearch
} else {
goto reverseSearch
}
forwardSearch:
{
// Forward search from the beginning.
if fwdFrontier.X >= revFrontier.X || fwdFrontier.Y >= revFrontier.Y || searchBudget == 0 {
break
goto finishSearch
}
for stop1, stop2, i := false, false, 0; !(stop1 && stop2) && searchBudget > 0; i++ {
// Search in a diagonal pattern for a match.
@ -242,10 +262,14 @@ func Difference(nx, ny int, f EqualFunc) (es EditScript) {
} else {
fwdFrontier.Y++
}
goto reverseSearch
}
reverseSearch:
{
// Reverse search from the end.
if fwdFrontier.X >= revFrontier.X || fwdFrontier.Y >= revFrontier.Y || searchBudget == 0 {
break
goto finishSearch
}
for stop1, stop2, i := false, false, 0; !(stop1 && stop2) && searchBudget > 0; i++ {
// Search in a diagonal pattern for a match.
@ -280,8 +304,10 @@ func Difference(nx, ny int, f EqualFunc) (es EditScript) {
} else {
revFrontier.Y--
}
goto forwardSearch
}
finishSearch:
// Join the forward and reverse paths and then append the reverse path.
fwdPath.connect(revPath.point, f)
for i := len(revPath.es) - 1; i >= 0; i-- {

2
vendor/github.com/google/go-cmp/cmp/internal/flags/flags.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2019, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
package flags

2
vendor/github.com/google/go-cmp/cmp/internal/flags/toolchain_legacy.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2019, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
// +build !go1.10

2
vendor/github.com/google/go-cmp/cmp/internal/flags/toolchain_recent.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2019, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
// +build go1.10

2
vendor/github.com/google/go-cmp/cmp/internal/function/func.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2017, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
// Package function provides functionality for identifying function types.
package function

157
vendor/github.com/google/go-cmp/cmp/internal/value/name.go generated vendored Normal file
View file

@ -0,0 +1,157 @@
// Copyright 2020, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package value
import (
"reflect"
"strconv"
)
// TypeString is nearly identical to reflect.Type.String,
// but has an additional option to specify that full type names be used.
func TypeString(t reflect.Type, qualified bool) string {
return string(appendTypeName(nil, t, qualified, false))
}
func appendTypeName(b []byte, t reflect.Type, qualified, elideFunc bool) []byte {
// BUG: Go reflection provides no way to disambiguate two named types
// of the same name and within the same package,
// but declared within the namespace of different functions.
// Named type.
if t.Name() != "" {
if qualified && t.PkgPath() != "" {
b = append(b, '"')
b = append(b, t.PkgPath()...)
b = append(b, '"')
b = append(b, '.')
b = append(b, t.Name()...)
} else {
b = append(b, t.String()...)
}
return b
}
// Unnamed type.
switch k := t.Kind(); k {
case reflect.Bool, reflect.String, reflect.UnsafePointer,
reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr,
reflect.Float32, reflect.Float64, reflect.Complex64, reflect.Complex128:
b = append(b, k.String()...)
case reflect.Chan:
if t.ChanDir() == reflect.RecvDir {
b = append(b, "<-"...)
}
b = append(b, "chan"...)
if t.ChanDir() == reflect.SendDir {
b = append(b, "<-"...)
}
b = append(b, ' ')
b = appendTypeName(b, t.Elem(), qualified, false)
case reflect.Func:
if !elideFunc {
b = append(b, "func"...)
}
b = append(b, '(')
for i := 0; i < t.NumIn(); i++ {
if i > 0 {
b = append(b, ", "...)
}
if i == t.NumIn()-1 && t.IsVariadic() {
b = append(b, "..."...)
b = appendTypeName(b, t.In(i).Elem(), qualified, false)
} else {
b = appendTypeName(b, t.In(i), qualified, false)
}
}
b = append(b, ')')
switch t.NumOut() {
case 0:
// Do nothing
case 1:
b = append(b, ' ')
b = appendTypeName(b, t.Out(0), qualified, false)
default:
b = append(b, " ("...)
for i := 0; i < t.NumOut(); i++ {
if i > 0 {
b = append(b, ", "...)
}
b = appendTypeName(b, t.Out(i), qualified, false)
}
b = append(b, ')')
}
case reflect.Struct:
b = append(b, "struct{ "...)
for i := 0; i < t.NumField(); i++ {
if i > 0 {
b = append(b, "; "...)
}
sf := t.Field(i)
if !sf.Anonymous {
if qualified && sf.PkgPath != "" {
b = append(b, '"')
b = append(b, sf.PkgPath...)
b = append(b, '"')
b = append(b, '.')
}
b = append(b, sf.Name...)
b = append(b, ' ')
}
b = appendTypeName(b, sf.Type, qualified, false)
if sf.Tag != "" {
b = append(b, ' ')
b = strconv.AppendQuote(b, string(sf.Tag))
}
}
if b[len(b)-1] == ' ' {
b = b[:len(b)-1]
} else {
b = append(b, ' ')
}
b = append(b, '}')
case reflect.Slice, reflect.Array:
b = append(b, '[')
if k == reflect.Array {
b = strconv.AppendUint(b, uint64(t.Len()), 10)
}
b = append(b, ']')
b = appendTypeName(b, t.Elem(), qualified, false)
case reflect.Map:
b = append(b, "map["...)
b = appendTypeName(b, t.Key(), qualified, false)
b = append(b, ']')
b = appendTypeName(b, t.Elem(), qualified, false)
case reflect.Ptr:
b = append(b, '*')
b = appendTypeName(b, t.Elem(), qualified, false)
case reflect.Interface:
b = append(b, "interface{ "...)
for i := 0; i < t.NumMethod(); i++ {
if i > 0 {
b = append(b, "; "...)
}
m := t.Method(i)
if qualified && m.PkgPath != "" {
b = append(b, '"')
b = append(b, m.PkgPath...)
b = append(b, '"')
b = append(b, '.')
}
b = append(b, m.Name...)
b = appendTypeName(b, m.Type, qualified, true)
}
if b[len(b)-1] == ' ' {
b = b[:len(b)-1]
} else {
b = append(b, ' ')
}
b = append(b, '}')
default:
panic("invalid kind: " + k.String())
}
return b
}

12
vendor/github.com/google/go-cmp/cmp/internal/value/pointer_purego.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2018, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
// +build purego
@ -21,3 +21,13 @@ func PointerOf(v reflect.Value) Pointer {
// assumes that the GC implementation does not use a moving collector.
return Pointer{v.Pointer(), v.Type()}
}
// IsNil reports whether the pointer is nil.
func (p Pointer) IsNil() bool {
return p.p == 0
}
// Uintptr returns the pointer as a uintptr.
func (p Pointer) Uintptr() uintptr {
return p.p
}

12
vendor/github.com/google/go-cmp/cmp/internal/value/pointer_unsafe.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2018, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
// +build !purego
@ -24,3 +24,13 @@ func PointerOf(v reflect.Value) Pointer {
// which is necessary if the GC ever uses a moving collector.
return Pointer{unsafe.Pointer(v.Pointer()), v.Type()}
}
// IsNil reports whether the pointer is nil.
func (p Pointer) IsNil() bool {
return p.p == nil
}
// Uintptr returns the pointer as a uintptr.
func (p Pointer) Uintptr() uintptr {
return uintptr(p.p)
}

2
vendor/github.com/google/go-cmp/cmp/internal/value/sort.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2017, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
package value

2
vendor/github.com/google/go-cmp/cmp/internal/value/zero.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2017, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
package value

60
vendor/github.com/google/go-cmp/cmp/options.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2017, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
package cmp
@ -225,8 +225,23 @@ func (validator) apply(s *state, vx, vy reflect.Value) {
// Unable to Interface implies unexported field without visibility access.
if !vx.CanInterface() || !vy.CanInterface() {
const help = "consider using a custom Comparer; if you control the implementation of type, you can also consider AllowUnexported or cmpopts.IgnoreUnexported"
panic(fmt.Sprintf("cannot handle unexported field: %#v\n%s", s.curPath, help))
help := "consider using a custom Comparer; if you control the implementation of type, you can also consider using an Exporter, AllowUnexported, or cmpopts.IgnoreUnexported"
var name string
if t := s.curPath.Index(-2).Type(); t.Name() != "" {
// Named type with unexported fields.
name = fmt.Sprintf("%q.%v", t.PkgPath(), t.Name()) // e.g., "path/to/package".MyType
if _, ok := reflect.New(t).Interface().(error); ok {
help = "consider using cmpopts.EquateErrors to compare error values"
}
} else {
// Unnamed type with unexported fields. Derive PkgPath from field.
var pkgPath string
for i := 0; i < t.NumField() && pkgPath == ""; i++ {
pkgPath = t.Field(i).PkgPath
}
name = fmt.Sprintf("%q.(%v)", pkgPath, t.String()) // e.g., "path/to/package".(struct { a int })
}
panic(fmt.Sprintf("cannot handle unexported field at %#v:\n\t%v\n%s", s.curPath, name, help))
}
panic("not reachable")
@ -360,9 +375,8 @@ func (cm comparer) String() string {
return fmt.Sprintf("Comparer(%s)", function.NameOf(cm.fnc))
}
// AllowUnexported returns an Option that forcibly allows operations on
// unexported fields in certain structs, which are specified by passing in a
// value of each struct type.
// Exporter returns an Option that specifies whether Equal is allowed to
// introspect into the unexported fields of certain struct types.
//
// Users of this option must understand that comparing on unexported fields
// from external packages is not safe since changes in the internal
@ -386,10 +400,24 @@ func (cm comparer) String() string {
//
// In other cases, the cmpopts.IgnoreUnexported option can be used to ignore
// all unexported fields on specified struct types.
func AllowUnexported(types ...interface{}) Option {
if !supportAllowUnexported {
panic("AllowUnexported is not supported on purego builds, Google App Engine Standard, or GopherJS")
func Exporter(f func(reflect.Type) bool) Option {
if !supportExporters {
panic("Exporter is not supported on purego builds")
}
return exporter(f)
}
type exporter func(reflect.Type) bool
func (exporter) filter(_ *state, _ reflect.Type, _, _ reflect.Value) applicableOption {
panic("not implemented")
}
// AllowUnexported returns an Options that allows Equal to forcibly introspect
// unexported fields of the specified struct types.
//
// See Exporter for the proper use of this option.
func AllowUnexported(types ...interface{}) Option {
m := make(map[reflect.Type]bool)
for _, typ := range types {
t := reflect.TypeOf(typ)
@ -398,13 +426,7 @@ func AllowUnexported(types ...interface{}) Option {
}
m[t] = true
}
return visibleStructs(m)
}
type visibleStructs map[reflect.Type]bool
func (visibleStructs) filter(_ *state, _ reflect.Type, _, _ reflect.Value) applicableOption {
panic("not implemented")
return exporter(func(t reflect.Type) bool { return m[t] })
}
// Result represents the comparison result for a single node and
@ -436,6 +458,11 @@ func (r Result) ByFunc() bool {
return r.flags&reportByFunc != 0
}
// ByCycle reports whether a reference cycle was detected.
func (r Result) ByCycle() bool {
return r.flags&reportByCycle != 0
}
type resultFlags uint
const (
@ -446,6 +473,7 @@ const (
reportByIgnore
reportByMethod
reportByFunc
reportByCycle
)
// Reporter is an Option that can be passed to Equal. When Equal traverses

80
vendor/github.com/google/go-cmp/cmp/path.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2017, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
package cmp
@ -10,6 +10,8 @@ import (
"strings"
"unicode"
"unicode/utf8"
"github.com/google/go-cmp/cmp/internal/value"
)
// Path is a list of PathSteps describing the sequence of operations to get
@ -41,7 +43,7 @@ type PathStep interface {
// In some cases, one or both may be invalid or have restrictions:
// • For StructField, both are not interface-able if the current field
// is unexported and the struct type is not explicitly permitted by
// AllowUnexported to traverse unexported fields.
// an Exporter to traverse unexported fields.
// • For SliceIndex, one may be invalid if an element is missing from
// either the x or y slice.
// • For MapIndex, one may be invalid if an entry is missing from
@ -175,7 +177,8 @@ type structField struct {
// pvx, pvy, and field are only valid if unexported is true.
unexported bool
mayForce bool // Forcibly allow visibility
pvx, pvy reflect.Value // Parent values
paddr bool // Was parent addressable?
pvx, pvy reflect.Value // Parent values (always addressible)
field reflect.StructField // Field information
}
@ -187,8 +190,8 @@ func (sf StructField) Values() (vx, vy reflect.Value) {
// Forcibly obtain read-write access to an unexported struct field.
if sf.mayForce {
vx = retrieveUnexportedField(sf.pvx, sf.field)
vy = retrieveUnexportedField(sf.pvy, sf.field)
vx = retrieveUnexportedField(sf.pvx, sf.field, sf.paddr)
vy = retrieveUnexportedField(sf.pvy, sf.field, sf.paddr)
return vx, vy // CanInterface reports true
}
return sf.vx, sf.vy // CanInterface reports false
@ -207,6 +210,7 @@ type SliceIndex struct{ *sliceIndex }
type sliceIndex struct {
pathStep
xkey, ykey int
isSlice bool // False for reflect.Array
}
func (si SliceIndex) Type() reflect.Type { return si.typ }
@ -301,6 +305,72 @@ func (tf Transform) Func() reflect.Value { return tf.trans.fnc }
// The == operator can be used to detect the exact option used.
func (tf Transform) Option() Option { return tf.trans }
// pointerPath represents a dual-stack of pointers encountered when
// recursively traversing the x and y values. This data structure supports
// detection of cycles and determining whether the cycles are equal.
// In Go, cycles can occur via pointers, slices, and maps.
//
// The pointerPath uses a map to represent a stack; where descension into a
// pointer pushes the address onto the stack, and ascension from a pointer
// pops the address from the stack. Thus, when traversing into a pointer from
// reflect.Ptr, reflect.Slice element, or reflect.Map, we can detect cycles
// by checking whether the pointer has already been visited. The cycle detection
// uses a seperate stack for the x and y values.
//
// If a cycle is detected we need to determine whether the two pointers
// should be considered equal. The definition of equality chosen by Equal
// requires two graphs to have the same structure. To determine this, both the
// x and y values must have a cycle where the previous pointers were also
// encountered together as a pair.
//
// Semantically, this is equivalent to augmenting Indirect, SliceIndex, and
// MapIndex with pointer information for the x and y values.
// Suppose px and py are two pointers to compare, we then search the
// Path for whether px was ever encountered in the Path history of x, and
// similarly so with py. If either side has a cycle, the comparison is only
// equal if both px and py have a cycle resulting from the same PathStep.
//
// Using a map as a stack is more performant as we can perform cycle detection
// in O(1) instead of O(N) where N is len(Path).
type pointerPath struct {
// mx is keyed by x pointers, where the value is the associated y pointer.
mx map[value.Pointer]value.Pointer
// my is keyed by y pointers, where the value is the associated x pointer.
my map[value.Pointer]value.Pointer
}
func (p *pointerPath) Init() {
p.mx = make(map[value.Pointer]value.Pointer)
p.my = make(map[value.Pointer]value.Pointer)
}
// Push indicates intent to descend into pointers vx and vy where
// visited reports whether either has been seen before. If visited before,
// equal reports whether both pointers were encountered together.
// Pop must be called if and only if the pointers were never visited.
//
// The pointers vx and vy must be a reflect.Ptr, reflect.Slice, or reflect.Map
// and be non-nil.
func (p pointerPath) Push(vx, vy reflect.Value) (equal, visited bool) {
px := value.PointerOf(vx)
py := value.PointerOf(vy)
_, ok1 := p.mx[px]
_, ok2 := p.my[py]
if ok1 || ok2 {
equal = p.mx[px] == py && p.my[py] == px // Pointers paired together
return equal, true
}
p.mx[px] = py
p.my[py] = px
return false, false
}
// Pop ascends from pointers vx and vy.
func (p pointerPath) Pop(vx, vy reflect.Value) {
delete(p.mx, value.PointerOf(vx))
delete(p.my, value.PointerOf(vy))
}
// isExported reports whether the identifier is exported.
func isExported(id string) bool {
r, _ := utf8.DecodeRuneInString(id)

7
vendor/github.com/google/go-cmp/cmp/report.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2017, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
package cmp
@ -41,7 +41,10 @@ func (r *defaultReporter) String() string {
if r.root.NumDiff == 0 {
return ""
}
return formatOptions{}.FormatDiff(r.root).String()
ptrs := new(pointerReferences)
text := formatOptions{}.FormatDiff(r.root, ptrs)
resolveReferences(text)
return text.String()
}
func assert(ok bool) {

200
vendor/github.com/google/go-cmp/cmp/report_compare.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2019, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
package cmp
@ -11,14 +11,6 @@ import (
"github.com/google/go-cmp/cmp/internal/value"
)
// TODO: Enforce limits?
// * Enforce maximum number of records to print per node?
// * Enforce maximum size in bytes allowed?
// * As a heuristic, use less verbosity for equal nodes than unequal nodes.
// TODO: Enforce unique outputs?
// * Avoid Stringer methods if it results in same output?
// * Print pointer address if outputs still equal?
// numContextRecords is the number of surrounding equal records to print.
const numContextRecords = 2
@ -71,24 +63,66 @@ func (opts formatOptions) WithTypeMode(t typeMode) formatOptions {
opts.TypeMode = t
return opts
}
func (opts formatOptions) WithVerbosity(level int) formatOptions {
opts.VerbosityLevel = level
opts.LimitVerbosity = true
return opts
}
func (opts formatOptions) verbosity() uint {
switch {
case opts.VerbosityLevel < 0:
return 0
case opts.VerbosityLevel > 16:
return 16 // some reasonable maximum to avoid shift overflow
default:
return uint(opts.VerbosityLevel)
}
}
const maxVerbosityPreset = 3
// verbosityPreset modifies the verbosity settings given an index
// between 0 and maxVerbosityPreset, inclusive.
func verbosityPreset(opts formatOptions, i int) formatOptions {
opts.VerbosityLevel = int(opts.verbosity()) + 2*i
if i > 0 {
opts.AvoidStringer = true
}
if i >= maxVerbosityPreset {
opts.PrintAddresses = true
opts.QualifiedNames = true
}
return opts
}
// FormatDiff converts a valueNode tree into a textNode tree, where the later
// is a textual representation of the differences detected in the former.
func (opts formatOptions) FormatDiff(v *valueNode) textNode {
func (opts formatOptions) FormatDiff(v *valueNode, ptrs *pointerReferences) (out textNode) {
if opts.DiffMode == diffIdentical {
opts = opts.WithVerbosity(1)
} else {
opts = opts.WithVerbosity(3)
}
// Check whether we have specialized formatting for this node.
// This is not necessary, but helpful for producing more readable outputs.
if opts.CanFormatDiffSlice(v) {
return opts.FormatDiffSlice(v)
}
var parentKind reflect.Kind
if v.parent != nil && v.parent.TransformerName == "" {
parentKind = v.parent.Type.Kind()
}
// For leaf nodes, format the value based on the reflect.Values alone.
if v.MaxDepth == 0 {
switch opts.DiffMode {
case diffUnknown, diffIdentical:
// Format Equal.
if v.NumDiff == 0 {
outx := opts.FormatValue(v.ValueX, visitedPointers{})
outy := opts.FormatValue(v.ValueY, visitedPointers{})
outx := opts.FormatValue(v.ValueX, parentKind, ptrs)
outy := opts.FormatValue(v.ValueY, parentKind, ptrs)
if v.NumIgnored > 0 && v.NumSame == 0 {
return textEllipsis
} else if outx.Len() < outy.Len() {
@ -101,8 +135,13 @@ func (opts formatOptions) FormatDiff(v *valueNode) textNode {
// Format unequal.
assert(opts.DiffMode == diffUnknown)
var list textList
outx := opts.WithTypeMode(elideType).FormatValue(v.ValueX, visitedPointers{})
outy := opts.WithTypeMode(elideType).FormatValue(v.ValueY, visitedPointers{})
outx := opts.WithTypeMode(elideType).FormatValue(v.ValueX, parentKind, ptrs)
outy := opts.WithTypeMode(elideType).FormatValue(v.ValueY, parentKind, ptrs)
for i := 0; i <= maxVerbosityPreset && outx != nil && outy != nil && outx.Equal(outy); i++ {
opts2 := verbosityPreset(opts, i).WithTypeMode(elideType)
outx = opts2.FormatValue(v.ValueX, parentKind, ptrs)
outy = opts2.FormatValue(v.ValueY, parentKind, ptrs)
}
if outx != nil {
list = append(list, textRecord{Diff: '-', Value: outx})
}
@ -111,34 +150,57 @@ func (opts formatOptions) FormatDiff(v *valueNode) textNode {
}
return opts.WithTypeMode(emitType).FormatType(v.Type, list)
case diffRemoved:
return opts.FormatValue(v.ValueX, visitedPointers{})
return opts.FormatValue(v.ValueX, parentKind, ptrs)
case diffInserted:
return opts.FormatValue(v.ValueY, visitedPointers{})
return opts.FormatValue(v.ValueY, parentKind, ptrs)
default:
panic("invalid diff mode")
}
}
// Register slice element to support cycle detection.
if parentKind == reflect.Slice {
ptrRefs := ptrs.PushPair(v.ValueX, v.ValueY, opts.DiffMode, true)
defer ptrs.Pop()
defer func() { out = wrapTrunkReferences(ptrRefs, out) }()
}
// Descend into the child value node.
if v.TransformerName != "" {
out := opts.WithTypeMode(emitType).FormatDiff(v.Value)
out = textWrap{"Inverse(" + v.TransformerName + ", ", out, ")"}
out := opts.WithTypeMode(emitType).FormatDiff(v.Value, ptrs)
out = &textWrap{Prefix: "Inverse(" + v.TransformerName + ", ", Value: out, Suffix: ")"}
return opts.FormatType(v.Type, out)
} else {
switch k := v.Type.Kind(); k {
case reflect.Struct, reflect.Array, reflect.Slice, reflect.Map:
return opts.FormatType(v.Type, opts.formatDiffList(v.Records, k))
case reflect.Struct, reflect.Array, reflect.Slice:
out = opts.formatDiffList(v.Records, k, ptrs)
out = opts.FormatType(v.Type, out)
case reflect.Map:
// Register map to support cycle detection.
ptrRefs := ptrs.PushPair(v.ValueX, v.ValueY, opts.DiffMode, false)
defer ptrs.Pop()
out = opts.formatDiffList(v.Records, k, ptrs)
out = wrapTrunkReferences(ptrRefs, out)
out = opts.FormatType(v.Type, out)
case reflect.Ptr:
return textWrap{"&", opts.FormatDiff(v.Value), ""}
// Register pointer to support cycle detection.
ptrRefs := ptrs.PushPair(v.ValueX, v.ValueY, opts.DiffMode, false)
defer ptrs.Pop()
out = opts.FormatDiff(v.Value, ptrs)
out = wrapTrunkReferences(ptrRefs, out)
out = &textWrap{Prefix: "&", Value: out}
case reflect.Interface:
return opts.WithTypeMode(emitType).FormatDiff(v.Value)
out = opts.WithTypeMode(emitType).FormatDiff(v.Value, ptrs)
default:
panic(fmt.Sprintf("%v cannot have children", k))
}
return out
}
}
func (opts formatOptions) formatDiffList(recs []reportRecord, k reflect.Kind) textNode {
func (opts formatOptions) formatDiffList(recs []reportRecord, k reflect.Kind, ptrs *pointerReferences) textNode {
// Derive record name based on the data structure kind.
var name string
var formatKey func(reflect.Value) string
@ -154,7 +216,17 @@ func (opts formatOptions) formatDiffList(recs []reportRecord, k reflect.Kind) te
case reflect.Map:
name = "entry"
opts = opts.WithTypeMode(elideType)
formatKey = formatMapKey
formatKey = func(v reflect.Value) string { return formatMapKey(v, false, ptrs) }
}
maxLen := -1
if opts.LimitVerbosity {
if opts.DiffMode == diffIdentical {
maxLen = ((1 << opts.verbosity()) >> 1) << 2 // 0, 4, 8, 16, 32, etc...
} else {
maxLen = (1 << opts.verbosity()) << 1 // 2, 4, 8, 16, 32, 64, etc...
}
opts.VerbosityLevel--
}
// Handle unification.
@ -163,6 +235,11 @@ func (opts formatOptions) formatDiffList(recs []reportRecord, k reflect.Kind) te
var list textList
var deferredEllipsis bool // Add final "..." to indicate records were dropped
for _, r := range recs {
if len(list) == maxLen {
deferredEllipsis = true
break
}
// Elide struct fields that are zero value.
if k == reflect.Struct {
var isZero bool
@ -186,23 +263,31 @@ func (opts formatOptions) formatDiffList(recs []reportRecord, k reflect.Kind) te
}
continue
}
if out := opts.FormatDiff(r.Value); out != nil {
if out := opts.FormatDiff(r.Value, ptrs); out != nil {
list = append(list, textRecord{Key: formatKey(r.Key), Value: out})
}
}
if deferredEllipsis {
list.AppendEllipsis(diffStats{})
}
return textWrap{"{", list, "}"}
return &textWrap{Prefix: "{", Value: list, Suffix: "}"}
case diffUnknown:
default:
panic("invalid diff mode")
}
// Handle differencing.
var numDiffs int
var list textList
var keys []reflect.Value // invariant: len(list) == len(keys)
groups := coalesceAdjacentRecords(name, recs)
maxGroup := diffStats{Name: name}
for i, ds := range groups {
if maxLen >= 0 && numDiffs >= maxLen {
maxGroup = maxGroup.Append(ds)
continue
}
// Handle equal records.
if ds.NumDiff() == 0 {
// Compute the number of leading and trailing records to print.
@ -226,16 +311,21 @@ func (opts formatOptions) formatDiffList(recs []reportRecord, k reflect.Kind) te
// Format the equal values.
for _, r := range recs[:numLo] {
out := opts.WithDiffMode(diffIdentical).FormatDiff(r.Value)
out := opts.WithDiffMode(diffIdentical).FormatDiff(r.Value, ptrs)
list = append(list, textRecord{Key: formatKey(r.Key), Value: out})
keys = append(keys, r.Key)
}
if numEqual > numLo+numHi {
ds.NumIdentical -= numLo + numHi
list.AppendEllipsis(ds)
for len(keys) < len(list) {
keys = append(keys, reflect.Value{})
}
}
for _, r := range recs[numEqual-numHi : numEqual] {
out := opts.WithDiffMode(diffIdentical).FormatDiff(r.Value)
out := opts.WithDiffMode(diffIdentical).FormatDiff(r.Value, ptrs)
list = append(list, textRecord{Key: formatKey(r.Key), Value: out})
keys = append(keys, r.Key)
}
recs = recs[numEqual:]
continue
@ -247,24 +337,70 @@ func (opts formatOptions) formatDiffList(recs []reportRecord, k reflect.Kind) te
case opts.CanFormatDiffSlice(r.Value):
out := opts.FormatDiffSlice(r.Value)
list = append(list, textRecord{Key: formatKey(r.Key), Value: out})
keys = append(keys, r.Key)
case r.Value.NumChildren == r.Value.MaxDepth:
outx := opts.WithDiffMode(diffRemoved).FormatDiff(r.Value)
outy := opts.WithDiffMode(diffInserted).FormatDiff(r.Value)
outx := opts.WithDiffMode(diffRemoved).FormatDiff(r.Value, ptrs)
outy := opts.WithDiffMode(diffInserted).FormatDiff(r.Value, ptrs)
for i := 0; i <= maxVerbosityPreset && outx != nil && outy != nil && outx.Equal(outy); i++ {
opts2 := verbosityPreset(opts, i)
outx = opts2.WithDiffMode(diffRemoved).FormatDiff(r.Value, ptrs)
outy = opts2.WithDiffMode(diffInserted).FormatDiff(r.Value, ptrs)
}
if outx != nil {
list = append(list, textRecord{Diff: diffRemoved, Key: formatKey(r.Key), Value: outx})
keys = append(keys, r.Key)
}
if outy != nil {
list = append(list, textRecord{Diff: diffInserted, Key: formatKey(r.Key), Value: outy})
keys = append(keys, r.Key)
}
default:
out := opts.FormatDiff(r.Value)
out := opts.FormatDiff(r.Value, ptrs)
list = append(list, textRecord{Key: formatKey(r.Key), Value: out})
keys = append(keys, r.Key)
}
}
recs = recs[ds.NumDiff():]
numDiffs += ds.NumDiff()
}
if maxGroup.IsZero() {
assert(len(recs) == 0)
return textWrap{"{", list, "}"}
} else {
list.AppendEllipsis(maxGroup)
for len(keys) < len(list) {
keys = append(keys, reflect.Value{})
}
}
assert(len(list) == len(keys))
// For maps, the default formatting logic uses fmt.Stringer which may
// produce ambiguous output. Avoid calling String to disambiguate.
if k == reflect.Map {
var ambiguous bool
seenKeys := map[string]reflect.Value{}
for i, currKey := range keys {
if currKey.IsValid() {
strKey := list[i].Key
prevKey, seen := seenKeys[strKey]
if seen && prevKey.CanInterface() && currKey.CanInterface() {
ambiguous = prevKey.Interface() != currKey.Interface()
if ambiguous {
break
}
}
seenKeys[strKey] = currKey
}
}
if ambiguous {
for i, k := range keys {
if k.IsValid() {
list[i].Key = formatMapKey(k, true, ptrs)
}
}
}
}
return &textWrap{Prefix: "{", Value: list, Suffix: "}"}
}
// coalesceAdjacentRecords coalesces the list of records into groups of

264
vendor/github.com/google/go-cmp/cmp/report_references.go generated vendored Normal file
View file

@ -0,0 +1,264 @@
// Copyright 2020, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cmp
import (
"fmt"
"reflect"
"strings"
"github.com/google/go-cmp/cmp/internal/flags"
"github.com/google/go-cmp/cmp/internal/value"
)
const (
pointerDelimPrefix = "⟪"
pointerDelimSuffix = "⟫"
)
// formatPointer prints the address of the pointer.
func formatPointer(p value.Pointer, withDelims bool) string {
v := p.Uintptr()
if flags.Deterministic {
v = 0xdeadf00f // Only used for stable testing purposes
}
if withDelims {
return pointerDelimPrefix + formatHex(uint64(v)) + pointerDelimSuffix
}
return formatHex(uint64(v))
}
// pointerReferences is a stack of pointers visited so far.
type pointerReferences [][2]value.Pointer
func (ps *pointerReferences) PushPair(vx, vy reflect.Value, d diffMode, deref bool) (pp [2]value.Pointer) {
if deref && vx.IsValid() {
vx = vx.Addr()
}
if deref && vy.IsValid() {
vy = vy.Addr()
}
switch d {
case diffUnknown, diffIdentical:
pp = [2]value.Pointer{value.PointerOf(vx), value.PointerOf(vy)}
case diffRemoved:
pp = [2]value.Pointer{value.PointerOf(vx), value.Pointer{}}
case diffInserted:
pp = [2]value.Pointer{value.Pointer{}, value.PointerOf(vy)}
}
*ps = append(*ps, pp)
return pp
}
func (ps *pointerReferences) Push(v reflect.Value) (p value.Pointer, seen bool) {
p = value.PointerOf(v)
for _, pp := range *ps {
if p == pp[0] || p == pp[1] {
return p, true
}
}
*ps = append(*ps, [2]value.Pointer{p, p})
return p, false
}
func (ps *pointerReferences) Pop() {
*ps = (*ps)[:len(*ps)-1]
}
// trunkReferences is metadata for a textNode indicating that the sub-tree
// represents the value for either pointer in a pair of references.
type trunkReferences struct{ pp [2]value.Pointer }
// trunkReference is metadata for a textNode indicating that the sub-tree
// represents the value for the given pointer reference.
type trunkReference struct{ p value.Pointer }
// leafReference is metadata for a textNode indicating that the value is
// truncated as it refers to another part of the tree (i.e., a trunk).
type leafReference struct{ p value.Pointer }
func wrapTrunkReferences(pp [2]value.Pointer, s textNode) textNode {
switch {
case pp[0].IsNil():
return &textWrap{Value: s, Metadata: trunkReference{pp[1]}}
case pp[1].IsNil():
return &textWrap{Value: s, Metadata: trunkReference{pp[0]}}
case pp[0] == pp[1]:
return &textWrap{Value: s, Metadata: trunkReference{pp[0]}}
default:
return &textWrap{Value: s, Metadata: trunkReferences{pp}}
}
}
func wrapTrunkReference(p value.Pointer, printAddress bool, s textNode) textNode {
var prefix string
if printAddress {
prefix = formatPointer(p, true)
}
return &textWrap{Prefix: prefix, Value: s, Metadata: trunkReference{p}}
}
func makeLeafReference(p value.Pointer, printAddress bool) textNode {
out := &textWrap{Prefix: "(", Value: textEllipsis, Suffix: ")"}
var prefix string
if printAddress {
prefix = formatPointer(p, true)
}
return &textWrap{Prefix: prefix, Value: out, Metadata: leafReference{p}}
}
// resolveReferences walks the textNode tree searching for any leaf reference
// metadata and resolves each against the corresponding trunk references.
// Since pointer addresses in memory are not particularly readable to the user,
// it replaces each pointer value with an arbitrary and unique reference ID.
func resolveReferences(s textNode) {
var walkNodes func(textNode, func(textNode))
walkNodes = func(s textNode, f func(textNode)) {
f(s)
switch s := s.(type) {
case *textWrap:
walkNodes(s.Value, f)
case textList:
for _, r := range s {
walkNodes(r.Value, f)
}
}
}
// Collect all trunks and leaves with reference metadata.
var trunks, leaves []*textWrap
walkNodes(s, func(s textNode) {
if s, ok := s.(*textWrap); ok {
switch s.Metadata.(type) {
case leafReference:
leaves = append(leaves, s)
case trunkReference, trunkReferences:
trunks = append(trunks, s)
}
}
})
// No leaf references to resolve.
if len(leaves) == 0 {
return
}
// Collect the set of all leaf references to resolve.
leafPtrs := make(map[value.Pointer]bool)
for _, leaf := range leaves {
leafPtrs[leaf.Metadata.(leafReference).p] = true
}
// Collect the set of trunk pointers that are always paired together.
// This allows us to assign a single ID to both pointers for brevity.
// If a pointer in a pair ever occurs by itself or as a different pair,
// then the pair is broken.
pairedTrunkPtrs := make(map[value.Pointer]value.Pointer)
unpair := func(p value.Pointer) {
if !pairedTrunkPtrs[p].IsNil() {
pairedTrunkPtrs[pairedTrunkPtrs[p]] = value.Pointer{} // invalidate other half
}
pairedTrunkPtrs[p] = value.Pointer{} // invalidate this half
}
for _, trunk := range trunks {
switch p := trunk.Metadata.(type) {
case trunkReference:
unpair(p.p) // standalone pointer cannot be part of a pair
case trunkReferences:
p0, ok0 := pairedTrunkPtrs[p.pp[0]]
p1, ok1 := pairedTrunkPtrs[p.pp[1]]
switch {
case !ok0 && !ok1:
// Register the newly seen pair.
pairedTrunkPtrs[p.pp[0]] = p.pp[1]
pairedTrunkPtrs[p.pp[1]] = p.pp[0]
case ok0 && ok1 && p0 == p.pp[1] && p1 == p.pp[0]:
// Exact pair already seen; do nothing.
default:
// Pair conflicts with some other pair; break all pairs.
unpair(p.pp[0])
unpair(p.pp[1])
}
}
}
// Correlate each pointer referenced by leaves to a unique identifier,
// and print the IDs for each trunk that matches those pointers.
var nextID uint
ptrIDs := make(map[value.Pointer]uint)
newID := func() uint {
id := nextID
nextID++
return id
}
for _, trunk := range trunks {
switch p := trunk.Metadata.(type) {
case trunkReference:
if print := leafPtrs[p.p]; print {
id, ok := ptrIDs[p.p]
if !ok {
id = newID()
ptrIDs[p.p] = id
}
trunk.Prefix = updateReferencePrefix(trunk.Prefix, formatReference(id))
}
case trunkReferences:
print0 := leafPtrs[p.pp[0]]
print1 := leafPtrs[p.pp[1]]
if print0 || print1 {
id0, ok0 := ptrIDs[p.pp[0]]
id1, ok1 := ptrIDs[p.pp[1]]
isPair := pairedTrunkPtrs[p.pp[0]] == p.pp[1] && pairedTrunkPtrs[p.pp[1]] == p.pp[0]
if isPair {
var id uint
assert(ok0 == ok1) // must be seen together or not at all
if ok0 {
assert(id0 == id1) // must have the same ID
id = id0
} else {
id = newID()
ptrIDs[p.pp[0]] = id
ptrIDs[p.pp[1]] = id
}
trunk.Prefix = updateReferencePrefix(trunk.Prefix, formatReference(id))
} else {
if print0 && !ok0 {
id0 = newID()
ptrIDs[p.pp[0]] = id0
}
if print1 && !ok1 {
id1 = newID()
ptrIDs[p.pp[1]] = id1
}
switch {
case print0 && print1:
trunk.Prefix = updateReferencePrefix(trunk.Prefix, formatReference(id0)+","+formatReference(id1))
case print0:
trunk.Prefix = updateReferencePrefix(trunk.Prefix, formatReference(id0))
case print1:
trunk.Prefix = updateReferencePrefix(trunk.Prefix, formatReference(id1))
}
}
}
}
}
// Update all leaf references with the unique identifier.
for _, leaf := range leaves {
if id, ok := ptrIDs[leaf.Metadata.(leafReference).p]; ok {
leaf.Prefix = updateReferencePrefix(leaf.Prefix, formatReference(id))
}
}
}
func formatReference(id uint) string {
return fmt.Sprintf("ref#%d", id)
}
func updateReferencePrefix(prefix, ref string) string {
if prefix == "" {
return pointerDelimPrefix + ref + pointerDelimSuffix
}
suffix := strings.TrimPrefix(prefix, pointerDelimPrefix)
return pointerDelimPrefix + ref + ": " + suffix
}

292
vendor/github.com/google/go-cmp/cmp/report_reflect.go generated vendored
View file

@ -1,17 +1,18 @@
// Copyright 2019, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
package cmp
import (
"bytes"
"fmt"
"reflect"
"strconv"
"strings"
"unicode"
"unicode/utf8"
"github.com/google/go-cmp/cmp/internal/flags"
"github.com/google/go-cmp/cmp/internal/value"
)
@ -20,14 +21,22 @@ type formatValueOptions struct {
// methods like error.Error or fmt.Stringer.String.
AvoidStringer bool
// ShallowPointers controls whether to avoid descending into pointers.
// Useful when printing map keys, where pointer comparison is performed
// on the pointer address rather than the pointed-at value.
ShallowPointers bool
// PrintAddresses controls whether to print the address of all pointers,
// slice elements, and maps.
PrintAddresses bool
// QualifiedNames controls whether FormatType uses the fully qualified name
// (including the full package path as opposed to just the package name).
QualifiedNames bool
// VerbosityLevel controls the amount of output to produce.
// A higher value produces more output. A value of zero or lower produces
// no output (represented using an ellipsis).
// If LimitVerbosity is false, then the level is treated as infinite.
VerbosityLevel int
// LimitVerbosity specifies that formatting should respect VerbosityLevel.
LimitVerbosity bool
}
// FormatType prints the type as if it were wrapping s.
@ -44,12 +53,15 @@ func (opts formatOptions) FormatType(t reflect.Type, s textNode) textNode {
default:
return s
}
if opts.DiffMode == diffIdentical {
return s // elide type for identical nodes
}
case elideType:
return s
}
// Determine the type label, applying special handling for unnamed types.
typeName := t.String()
typeName := value.TypeString(t, opts.QualifiedNames)
if t.Name() == "" {
// According to Go grammar, certain type literals contain symbols that
// do not strongly bind to the next lexicographical token (e.g., *T).
@ -57,39 +69,77 @@ func (opts formatOptions) FormatType(t reflect.Type, s textNode) textNode {
case reflect.Chan, reflect.Func, reflect.Ptr:
typeName = "(" + typeName + ")"
}
typeName = strings.Replace(typeName, "struct {", "struct{", -1)
typeName = strings.Replace(typeName, "interface {", "interface{", -1)
}
return &textWrap{Prefix: typeName, Value: wrapParens(s)}
}
// wrapParens wraps s with a set of parenthesis, but avoids it if the
// wrapped node itself is already surrounded by a pair of parenthesis or braces.
// It handles unwrapping one level of pointer-reference nodes.
func wrapParens(s textNode) textNode {
var refNode *textWrap
if s2, ok := s.(*textWrap); ok {
// Unwrap a single pointer reference node.
switch s2.Metadata.(type) {
case leafReference, trunkReference, trunkReferences:
refNode = s2
if s3, ok := refNode.Value.(*textWrap); ok {
s2 = s3
}
}
// Avoid wrap the value in parenthesis if unnecessary.
if s, ok := s.(textWrap); ok {
hasParens := strings.HasPrefix(s.Prefix, "(") && strings.HasSuffix(s.Suffix, ")")
hasBraces := strings.HasPrefix(s.Prefix, "{") && strings.HasSuffix(s.Suffix, "}")
// Already has delimiters that make parenthesis unnecessary.
hasParens := strings.HasPrefix(s2.Prefix, "(") && strings.HasSuffix(s2.Suffix, ")")
hasBraces := strings.HasPrefix(s2.Prefix, "{") && strings.HasSuffix(s2.Suffix, "}")
if hasParens || hasBraces {
return textWrap{typeName, s, ""}
return s
}
}
return textWrap{typeName + "(", s, ")"}
if refNode != nil {
refNode.Value = &textWrap{Prefix: "(", Value: refNode.Value, Suffix: ")"}
return s
}
return &textWrap{Prefix: "(", Value: s, Suffix: ")"}
}
// FormatValue prints the reflect.Value, taking extra care to avoid descending
// into pointers already in m. As pointers are visited, m is also updated.
func (opts formatOptions) FormatValue(v reflect.Value, m visitedPointers) (out textNode) {
// into pointers already in ptrs. As pointers are visited, ptrs is also updated.
func (opts formatOptions) FormatValue(v reflect.Value, parentKind reflect.Kind, ptrs *pointerReferences) (out textNode) {
if !v.IsValid() {
return nil
}
t := v.Type()
// Check slice element for cycles.
if parentKind == reflect.Slice {
ptrRef, visited := ptrs.Push(v.Addr())
if visited {
return makeLeafReference(ptrRef, false)
}
defer ptrs.Pop()
defer func() { out = wrapTrunkReference(ptrRef, false, out) }()
}
// Check whether there is an Error or String method to call.
if !opts.AvoidStringer && v.CanInterface() {
// Avoid calling Error or String methods on nil receivers since many
// implementations crash when doing so.
if (t.Kind() != reflect.Ptr && t.Kind() != reflect.Interface) || !v.IsNil() {
var prefix, strVal string
func() {
// Swallow and ignore any panics from String or Error.
defer func() { recover() }()
switch v := v.Interface().(type) {
case error:
return textLine("e" + formatString(v.Error()))
strVal = v.Error()
prefix = "e"
case fmt.Stringer:
return textLine("s" + formatString(v.String()))
strVal = v.String()
prefix = "s"
}
}()
if prefix != "" {
return opts.formatString(prefix, strVal)
}
}
}
@ -102,94 +152,140 @@ func (opts formatOptions) FormatValue(v reflect.Value, m visitedPointers) (out t
}
}()
var ptr string
switch t.Kind() {
case reflect.Bool:
return textLine(fmt.Sprint(v.Bool()))
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return textLine(fmt.Sprint(v.Int()))
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
// Unnamed uints are usually bytes or words, so use hexadecimal.
if t.PkgPath() == "" || t.Kind() == reflect.Uintptr {
case reflect.Uint, reflect.Uint16, reflect.Uint32, reflect.Uint64:
return textLine(fmt.Sprint(v.Uint()))
case reflect.Uint8:
if parentKind == reflect.Slice || parentKind == reflect.Array {
return textLine(formatHex(v.Uint()))
}
return textLine(fmt.Sprint(v.Uint()))
case reflect.Uintptr:
return textLine(formatHex(v.Uint()))
case reflect.Float32, reflect.Float64:
return textLine(fmt.Sprint(v.Float()))
case reflect.Complex64, reflect.Complex128:
return textLine(fmt.Sprint(v.Complex()))
case reflect.String:
return textLine(formatString(v.String()))
return opts.formatString("", v.String())
case reflect.UnsafePointer, reflect.Chan, reflect.Func:
return textLine(formatPointer(v))
return textLine(formatPointer(value.PointerOf(v), true))
case reflect.Struct:
var list textList
v := makeAddressable(v) // needed for retrieveUnexportedField
maxLen := v.NumField()
if opts.LimitVerbosity {
maxLen = ((1 << opts.verbosity()) >> 1) << 2 // 0, 4, 8, 16, 32, etc...
opts.VerbosityLevel--
}
for i := 0; i < v.NumField(); i++ {
vv := v.Field(i)
if value.IsZero(vv) {
continue // Elide fields with zero values
}
s := opts.WithTypeMode(autoType).FormatValue(vv, m)
list = append(list, textRecord{Key: t.Field(i).Name, Value: s})
if len(list) == maxLen {
list.AppendEllipsis(diffStats{})
break
}
return textWrap{"{", list, "}"}
sf := t.Field(i)
if supportExporters && !isExported(sf.Name) {
vv = retrieveUnexportedField(v, sf, true)
}
s := opts.WithTypeMode(autoType).FormatValue(vv, t.Kind(), ptrs)
list = append(list, textRecord{Key: sf.Name, Value: s})
}
return &textWrap{Prefix: "{", Value: list, Suffix: "}"}
case reflect.Slice:
if v.IsNil() {
return textNil
}
if opts.PrintAddresses {
ptr = formatPointer(v)
// Check whether this is a []byte of text data.
if t.Elem() == reflect.TypeOf(byte(0)) {
b := v.Bytes()
isPrintSpace := func(r rune) bool { return unicode.IsPrint(r) && unicode.IsSpace(r) }
if len(b) > 0 && utf8.Valid(b) && len(bytes.TrimFunc(b, isPrintSpace)) == 0 {
out = opts.formatString("", string(b))
return opts.WithTypeMode(emitType).FormatType(t, out)
}
}
fallthrough
case reflect.Array:
maxLen := v.Len()
if opts.LimitVerbosity {
maxLen = ((1 << opts.verbosity()) >> 1) << 2 // 0, 4, 8, 16, 32, etc...
opts.VerbosityLevel--
}
var list textList
for i := 0; i < v.Len(); i++ {
vi := v.Index(i)
if vi.CanAddr() { // Check for cyclic elements
p := vi.Addr()
if m.Visit(p) {
var out textNode
out = textLine(formatPointer(p))
out = opts.WithTypeMode(emitType).FormatType(p.Type(), out)
out = textWrap{"*", out, ""}
list = append(list, textRecord{Value: out})
continue
if len(list) == maxLen {
list.AppendEllipsis(diffStats{})
break
}
}
s := opts.WithTypeMode(elideType).FormatValue(vi, m)
s := opts.WithTypeMode(elideType).FormatValue(v.Index(i), t.Kind(), ptrs)
list = append(list, textRecord{Value: s})
}
return textWrap{ptr + "{", list, "}"}
out = &textWrap{Prefix: "{", Value: list, Suffix: "}"}
if t.Kind() == reflect.Slice && opts.PrintAddresses {
header := fmt.Sprintf("ptr:%v, len:%d, cap:%d", formatPointer(value.PointerOf(v), false), v.Len(), v.Cap())
out = &textWrap{Prefix: pointerDelimPrefix + header + pointerDelimSuffix, Value: out}
}
return out
case reflect.Map:
if v.IsNil() {
return textNil
}
if m.Visit(v) {
return textLine(formatPointer(v))
}
// Check pointer for cycles.
ptrRef, visited := ptrs.Push(v)
if visited {
return makeLeafReference(ptrRef, opts.PrintAddresses)
}
defer ptrs.Pop()
maxLen := v.Len()
if opts.LimitVerbosity {
maxLen = ((1 << opts.verbosity()) >> 1) << 2 // 0, 4, 8, 16, 32, etc...
opts.VerbosityLevel--
}
var list textList
for _, k := range value.SortKeys(v.MapKeys()) {
sk := formatMapKey(k)
sv := opts.WithTypeMode(elideType).FormatValue(v.MapIndex(k), m)
if len(list) == maxLen {
list.AppendEllipsis(diffStats{})
break
}
sk := formatMapKey(k, false, ptrs)
sv := opts.WithTypeMode(elideType).FormatValue(v.MapIndex(k), t.Kind(), ptrs)
list = append(list, textRecord{Key: sk, Value: sv})
}
if opts.PrintAddresses {
ptr = formatPointer(v)
}
return textWrap{ptr + "{", list, "}"}
out = &textWrap{Prefix: "{", Value: list, Suffix: "}"}
out = wrapTrunkReference(ptrRef, opts.PrintAddresses, out)
return out
case reflect.Ptr:
if v.IsNil() {
return textNil
}
if m.Visit(v) || opts.ShallowPointers {
return textLine(formatPointer(v))
}
if opts.PrintAddresses {
ptr = formatPointer(v)
// Check pointer for cycles.
ptrRef, visited := ptrs.Push(v)
if visited {
out = makeLeafReference(ptrRef, opts.PrintAddresses)
return &textWrap{Prefix: "&", Value: out}
}
defer ptrs.Pop()
skipType = true // Let the underlying value print the type instead
return textWrap{"&" + ptr, opts.FormatValue(v.Elem(), m), ""}
out = opts.FormatValue(v.Elem(), t.Kind(), ptrs)
out = wrapTrunkReference(ptrRef, opts.PrintAddresses, out)
out = &textWrap{Prefix: "&", Value: out}
return out
case reflect.Interface:
if v.IsNil() {
return textNil
@ -197,19 +293,67 @@ func (opts formatOptions) FormatValue(v reflect.Value, m visitedPointers) (out t
// Interfaces accept different concrete types,
// so configure the underlying value to explicitly print the type.
skipType = true // Print the concrete type instead
return opts.WithTypeMode(emitType).FormatValue(v.Elem(), m)
return opts.WithTypeMode(emitType).FormatValue(v.Elem(), t.Kind(), ptrs)
default:
panic(fmt.Sprintf("%v kind not handled", v.Kind()))
}
}
func (opts formatOptions) formatString(prefix, s string) textNode {
maxLen := len(s)
maxLines := strings.Count(s, "\n") + 1
if opts.LimitVerbosity {
maxLen = (1 << opts.verbosity()) << 5 // 32, 64, 128, 256, etc...
maxLines = (1 << opts.verbosity()) << 2 // 4, 8, 16, 32, 64, etc...
}
// For multiline strings, use the triple-quote syntax,
// but only use it when printing removed or inserted nodes since
// we only want the extra verbosity for those cases.
lines := strings.Split(strings.TrimSuffix(s, "\n"), "\n")
isTripleQuoted := len(lines) >= 4 && (opts.DiffMode == '-' || opts.DiffMode == '+')
for i := 0; i < len(lines) && isTripleQuoted; i++ {
lines[i] = strings.TrimPrefix(strings.TrimSuffix(lines[i], "\r"), "\r") // trim leading/trailing carriage returns for legacy Windows endline support
isPrintable := func(r rune) bool {
return unicode.IsPrint(r) || r == '\t' // specially treat tab as printable
}
line := lines[i]
isTripleQuoted = !strings.HasPrefix(strings.TrimPrefix(line, prefix), `"""`) && !strings.HasPrefix(line, "...") && strings.TrimFunc(line, isPrintable) == "" && len(line) <= maxLen
}
if isTripleQuoted {
var list textList
list = append(list, textRecord{Diff: opts.DiffMode, Value: textLine(prefix + `"""`), ElideComma: true})
for i, line := range lines {
if numElided := len(lines) - i; i == maxLines-1 && numElided > 1 {
comment := commentString(fmt.Sprintf("%d elided lines", numElided))
list = append(list, textRecord{Diff: opts.DiffMode, Value: textEllipsis, ElideComma: true, Comment: comment})
break
}
list = append(list, textRecord{Diff: opts.DiffMode, Value: textLine(line), ElideComma: true})
}
list = append(list, textRecord{Diff: opts.DiffMode, Value: textLine(prefix + `"""`), ElideComma: true})
return &textWrap{Prefix: "(", Value: list, Suffix: ")"}
}
// Format the string as a single-line quoted string.
if len(s) > maxLen+len(textEllipsis) {
return textLine(prefix + formatString(s[:maxLen]) + string(textEllipsis))
}
return textLine(prefix + formatString(s))
}
// formatMapKey formats v as if it were a map key.
// The result is guaranteed to be a single line.
func formatMapKey(v reflect.Value) string {
func formatMapKey(v reflect.Value, disambiguate bool, ptrs *pointerReferences) string {
var opts formatOptions
opts.DiffMode = diffIdentical
opts.TypeMode = elideType
opts.ShallowPointers = true
s := opts.FormatValue(v, visitedPointers{}).String()
opts.PrintAddresses = disambiguate
opts.AvoidStringer = disambiguate
opts.QualifiedNames = disambiguate
opts.VerbosityLevel = maxVerbosityPreset
opts.LimitVerbosity = true
s := opts.FormatValue(v, reflect.Map, ptrs).String()
return strings.TrimSpace(s)
}
@ -227,7 +371,7 @@ func formatString(s string) string {
rawInvalid := func(r rune) bool {
return r == '`' || r == '\n' || !(unicode.IsPrint(r) || r == '\t')
}
if strings.IndexFunc(s, rawInvalid) < 0 {
if utf8.ValidString(s) && strings.IndexFunc(s, rawInvalid) < 0 {
return "`" + s + "`"
}
return qs
@ -256,23 +400,3 @@ func formatHex(u uint64) string {
}
return fmt.Sprintf(f, u)
}
// formatPointer prints the address of the pointer.
func formatPointer(v reflect.Value) string {
p := v.Pointer()
if flags.Deterministic {
p = 0xdeadf00f // Only used for stable testing purposes
}
return fmt.Sprintf("⟪0x%x⟫", p)
}
type visitedPointers map[value.Pointer]struct{}
// Visit inserts pointer v into the visited map and reports whether it had
// already been visited before.
func (m visitedPointers) Visit(v reflect.Value) bool {
p := value.PointerOf(v)
_, visited := m[p]
m[p] = struct{}{}
return visited
}

135
vendor/github.com/google/go-cmp/cmp/report_slices.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2019, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
package cmp
@ -8,6 +8,7 @@ import (
"bytes"
"fmt"
"reflect"
"strconv"
"strings"
"unicode"
"unicode/utf8"
@ -23,11 +24,25 @@ func (opts formatOptions) CanFormatDiffSlice(v *valueNode) bool {
return false // Must be formatting in diff mode
case v.NumDiff == 0:
return false // No differences detected
case v.NumIgnored+v.NumCompared+v.NumTransformed > 0:
// TODO: Handle the case where someone uses bytes.Equal on a large slice.
return false // Some custom option was used to determined equality
case !v.ValueX.IsValid() || !v.ValueY.IsValid():
return false // Both values must be valid
case v.Type.Kind() == reflect.Slice && (v.ValueX.Len() == 0 || v.ValueY.Len() == 0):
return false // Both slice values have to be non-empty
case v.NumIgnored > 0:
return false // Some ignore option was used
case v.NumTransformed > 0:
return false // Some transform option was used
case v.NumCompared > 1:
return false // More than one comparison was used
case v.NumCompared == 1 && v.Type.Name() != "":
// The need for cmp to check applicability of options on every element
// in a slice is a significant performance detriment for large []byte.
// The workaround is to specify Comparer(bytes.Equal),
// which enables cmp to compare []byte more efficiently.
// If they differ, we still want to provide batched diffing.
// The logic disallows named types since they tend to have their own
// String method, with nicer formatting than what this provides.
return false
}
switch t := v.Type; t.Kind() {
@ -82,7 +97,7 @@ func (opts formatOptions) FormatDiffSlice(v *valueNode) textNode {
}
if isText || isBinary {
var numLines, lastLineIdx, maxLineLen int
isBinary = false
isBinary = !utf8.ValidString(sx) || !utf8.ValidString(sy)
for i, r := range sx + sy {
if !(unicode.IsPrint(r) || unicode.IsSpace(r)) || r == utf8.RuneError {
isBinary = true
@ -97,7 +112,7 @@ func (opts formatOptions) FormatDiffSlice(v *valueNode) textNode {
}
}
isText = !isBinary
isLinedText = isText && numLines >= 4 && maxLineLen <= 256
isLinedText = isText && numLines >= 4 && maxLineLen <= 1024
}
// Format the string into printable records.
@ -117,6 +132,83 @@ func (opts formatOptions) FormatDiffSlice(v *valueNode) textNode {
},
)
delim = "\n"
// If possible, use a custom triple-quote (""") syntax for printing
// differences in a string literal. This format is more readable,
// but has edge-cases where differences are visually indistinguishable.
// This format is avoided under the following conditions:
// • A line starts with `"""`
// • A line starts with "..."
// • A line contains non-printable characters
// • Adjacent different lines differ only by whitespace
//
// For example:
// """
// ... // 3 identical lines
// foo
// bar
// - baz
// + BAZ
// """
isTripleQuoted := true
prevRemoveLines := map[string]bool{}
prevInsertLines := map[string]bool{}
var list2 textList
list2 = append(list2, textRecord{Value: textLine(`"""`), ElideComma: true})
for _, r := range list {
if !r.Value.Equal(textEllipsis) {
line, _ := strconv.Unquote(string(r.Value.(textLine)))
line = strings.TrimPrefix(strings.TrimSuffix(line, "\r"), "\r") // trim leading/trailing carriage returns for legacy Windows endline support
normLine := strings.Map(func(r rune) rune {
if unicode.IsSpace(r) {
return -1 // drop whitespace to avoid visually indistinguishable output
}
return r
}, line)
isPrintable := func(r rune) bool {
return unicode.IsPrint(r) || r == '\t' // specially treat tab as printable
}
isTripleQuoted = !strings.HasPrefix(line, `"""`) && !strings.HasPrefix(line, "...") && strings.TrimFunc(line, isPrintable) == ""
switch r.Diff {
case diffRemoved:
isTripleQuoted = isTripleQuoted && !prevInsertLines[normLine]
prevRemoveLines[normLine] = true
case diffInserted:
isTripleQuoted = isTripleQuoted && !prevRemoveLines[normLine]
prevInsertLines[normLine] = true
}
if !isTripleQuoted {
break
}
r.Value = textLine(line)
r.ElideComma = true
}
if !(r.Diff == diffRemoved || r.Diff == diffInserted) { // start a new non-adjacent difference group
prevRemoveLines = map[string]bool{}
prevInsertLines = map[string]bool{}
}
list2 = append(list2, r)
}
if r := list2[len(list2)-1]; r.Diff == diffIdentical && len(r.Value.(textLine)) == 0 {
list2 = list2[:len(list2)-1] // elide single empty line at the end
}
list2 = append(list2, textRecord{Value: textLine(`"""`), ElideComma: true})
if isTripleQuoted {
var out textNode = &textWrap{Prefix: "(", Value: list2, Suffix: ")"}
switch t.Kind() {
case reflect.String:
if t != reflect.TypeOf(string("")) {
out = opts.FormatType(t, out)
}
case reflect.Slice:
// Always emit type for slices since the triple-quote syntax
// looks like a string (not a slice).
opts = opts.WithTypeMode(emitType)
out = opts.FormatType(t, out)
}
return out
}
// If the text appears to be single-lined text,
// then perform differencing in approximately fixed-sized chunks.
// The output is printed as quoted strings.
@ -129,6 +221,7 @@ func (opts formatOptions) FormatDiffSlice(v *valueNode) textNode {
},
)
delim = ""
// If the text appears to be binary data,
// then perform differencing in approximately fixed-sized chunks.
// The output is inspired by hexdump.
@ -145,6 +238,7 @@ func (opts formatOptions) FormatDiffSlice(v *valueNode) textNode {
return textRecord{Diff: d, Value: textLine(s), Comment: comment}
},
)
// For all other slices of primitive types,
// then perform differencing in approximately fixed-sized chunks.
// The size of each chunk depends on the width of the element kind.
@ -172,7 +266,9 @@ func (opts formatOptions) FormatDiffSlice(v *valueNode) textNode {
switch t.Elem().Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
ss = append(ss, fmt.Sprint(v.Index(i).Int()))
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
case reflect.Uint, reflect.Uint16, reflect.Uint32, reflect.Uint64:
ss = append(ss, fmt.Sprint(v.Index(i).Uint()))
case reflect.Uint8, reflect.Uintptr:
ss = append(ss, formatHex(v.Index(i).Uint()))
case reflect.Bool, reflect.Float32, reflect.Float64, reflect.Complex64, reflect.Complex128:
ss = append(ss, fmt.Sprint(v.Index(i).Interface()))
@ -185,7 +281,7 @@ func (opts formatOptions) FormatDiffSlice(v *valueNode) textNode {
}
// Wrap the output with appropriate type information.
var out textNode = textWrap{"{", list, "}"}
var out textNode = &textWrap{Prefix: "{", Value: list, Suffix: "}"}
if !isText {
// The "{...}" byte-sequence literal is not valid Go syntax for strings.
// Emit the type for extra clarity (e.g. "string{...}").
@ -196,12 +292,12 @@ func (opts formatOptions) FormatDiffSlice(v *valueNode) textNode {
}
switch t.Kind() {
case reflect.String:
out = textWrap{"strings.Join(", out, fmt.Sprintf(", %q)", delim)}
out = &textWrap{Prefix: "strings.Join(", Value: out, Suffix: fmt.Sprintf(", %q)", delim)}
if t != reflect.TypeOf(string("")) {
out = opts.FormatType(t, out)
}
case reflect.Slice:
out = textWrap{"bytes.Join(", out, fmt.Sprintf(", %q)", delim)}
out = &textWrap{Prefix: "bytes.Join(", Value: out, Suffix: fmt.Sprintf(", %q)", delim)}
if t != reflect.TypeOf([]byte(nil)) {
out = opts.FormatType(t, out)
}
@ -242,9 +338,22 @@ func (opts formatOptions) formatDiffSlice(
return n0 - v.Len()
}
var numDiffs int
maxLen := -1
if opts.LimitVerbosity {
maxLen = (1 << opts.verbosity()) << 2 // 4, 8, 16, 32, 64, etc...
opts.VerbosityLevel--
}
groups := coalesceAdjacentEdits(name, es)
groups = coalesceInterveningIdentical(groups, chunkSize/4)
maxGroup := diffStats{Name: name}
for i, ds := range groups {
if maxLen >= 0 && numDiffs >= maxLen {
maxGroup = maxGroup.Append(ds)
continue
}
// Print equal.
if ds.NumDiff() == 0 {
// Compute the number of leading and trailing equal bytes to print.
@ -273,12 +382,18 @@ func (opts formatOptions) formatDiffSlice(
}
// Print unequal.
len0 := len(list)
nx := appendChunks(vx.Slice(0, ds.NumIdentical+ds.NumRemoved+ds.NumModified), diffRemoved)
vx = vx.Slice(nx, vx.Len())
ny := appendChunks(vy.Slice(0, ds.NumIdentical+ds.NumInserted+ds.NumModified), diffInserted)
vy = vy.Slice(ny, vy.Len())
numDiffs += len(list) - len0
}
if maxGroup.IsZero() {
assert(vx.Len() == 0 && vy.Len() == 0)
} else {
list.AppendEllipsis(maxGroup)
}
return list
}

74
vendor/github.com/google/go-cmp/cmp/report_text.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2019, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
package cmp
@ -10,12 +10,15 @@ import (
"math/rand"
"strings"
"time"
"unicode/utf8"
"github.com/google/go-cmp/cmp/internal/flags"
)
var randBool = rand.New(rand.NewSource(time.Now().Unix())).Intn(2) == 0
const maxColumnLength = 80
type indentMode int
func (n indentMode) appendIndent(b []byte, d diffMode) []byte {
@ -94,18 +97,19 @@ type textWrap struct {
Prefix string // e.g., "bytes.Buffer{"
Value textNode // textWrap | textList | textLine
Suffix string // e.g., "}"
Metadata interface{} // arbitrary metadata; has no effect on formatting
}
func (s textWrap) Len() int {
func (s *textWrap) Len() int {
return len(s.Prefix) + s.Value.Len() + len(s.Suffix)
}
func (s1 textWrap) Equal(s2 textNode) bool {
if s2, ok := s2.(textWrap); ok {
func (s1 *textWrap) Equal(s2 textNode) bool {
if s2, ok := s2.(*textWrap); ok {
return s1.Prefix == s2.Prefix && s1.Value.Equal(s2.Value) && s1.Suffix == s2.Suffix
}
return false
}
func (s textWrap) String() string {
func (s *textWrap) String() string {
var d diffMode
var n indentMode
_, s2 := s.formatCompactTo(nil, d)
@ -114,7 +118,7 @@ func (s textWrap) String() string {
b = append(b, '\n') // Trailing newline
return string(b)
}
func (s textWrap) formatCompactTo(b []byte, d diffMode) ([]byte, textNode) {
func (s *textWrap) formatCompactTo(b []byte, d diffMode) ([]byte, textNode) {
n0 := len(b) // Original buffer length
b = append(b, s.Prefix...)
b, s.Value = s.Value.formatCompactTo(b, d)
@ -124,7 +128,7 @@ func (s textWrap) formatCompactTo(b []byte, d diffMode) ([]byte, textNode) {
}
return b, s
}
func (s textWrap) formatExpandedTo(b []byte, d diffMode, n indentMode) []byte {
func (s *textWrap) formatExpandedTo(b []byte, d diffMode, n indentMode) []byte {
b = append(b, s.Prefix...)
b = s.Value.formatExpandedTo(b, d, n)
b = append(b, s.Suffix...)
@ -139,6 +143,7 @@ type textRecord struct {
Diff diffMode // e.g., 0 or '-' or '+'
Key string // e.g., "MyField"
Value textNode // textWrap | textLine
ElideComma bool // avoid trailing comma
Comment fmt.Stringer // e.g., "6 identical fields"
}
@ -146,12 +151,12 @@ type textRecord struct {
// exists at the end. If cs is non-zero it coalesces the statistics with the
// previous diffStats.
func (s *textList) AppendEllipsis(ds diffStats) {
hasStats := ds != diffStats{}
hasStats := !ds.IsZero()
if len(*s) == 0 || !(*s)[len(*s)-1].Value.Equal(textEllipsis) {
if hasStats {
*s = append(*s, textRecord{Value: textEllipsis, Comment: ds})
*s = append(*s, textRecord{Value: textEllipsis, ElideComma: true, Comment: ds})
} else {
*s = append(*s, textRecord{Value: textEllipsis})
*s = append(*s, textRecord{Value: textEllipsis, ElideComma: true})
}
return
}
@ -191,7 +196,7 @@ func (s1 textList) Equal(s2 textNode) bool {
}
func (s textList) String() string {
return textWrap{"{", s, "}"}.String()
return (&textWrap{Prefix: "{", Value: s, Suffix: "}"}).String()
}
func (s textList) formatCompactTo(b []byte, d diffMode) ([]byte, textNode) {
@ -221,7 +226,7 @@ func (s textList) formatCompactTo(b []byte, d diffMode) ([]byte, textNode) {
}
// Force multi-lined output when printing a removed/inserted node that
// is sufficiently long.
if (d == diffInserted || d == diffRemoved) && len(b[n0:]) > 80 {
if (d == diffInserted || d == diffRemoved) && len(b[n0:]) > maxColumnLength {
multiLine = true
}
if !multiLine {
@ -236,16 +241,50 @@ func (s textList) formatExpandedTo(b []byte, d diffMode, n indentMode) []byte {
_, isLine := r.Value.(textLine)
return r.Key == "" || !isLine
},
func(r textRecord) int { return len(r.Key) },
func(r textRecord) int { return utf8.RuneCountInString(r.Key) },
)
alignValueLens := s.alignLens(
func(r textRecord) bool {
_, isLine := r.Value.(textLine)
return !isLine || r.Value.Equal(textEllipsis) || r.Comment == nil
},
func(r textRecord) int { return len(r.Value.(textLine)) },
func(r textRecord) int { return utf8.RuneCount(r.Value.(textLine)) },
)
// Format lists of simple lists in a batched form.
// If the list is sequence of only textLine values,
// then batch multiple values on a single line.
var isSimple bool
for _, r := range s {
_, isLine := r.Value.(textLine)
isSimple = r.Diff == 0 && r.Key == "" && isLine && r.Comment == nil
if !isSimple {
break
}
}
if isSimple {
n++
var batch []byte
emitBatch := func() {
if len(batch) > 0 {
b = n.appendIndent(append(b, '\n'), d)
b = append(b, bytes.TrimRight(batch, " ")...)
batch = batch[:0]
}
}
for _, r := range s {
line := r.Value.(textLine)
if len(batch)+len(line)+len(", ") > maxColumnLength {
emitBatch()
}
batch = append(batch, line...)
batch = append(batch, ", "...)
}
emitBatch()
n--
return n.appendIndent(append(b, '\n'), d)
}
// Format the list as a multi-lined output.
n++
for i, r := range s {
@ -256,7 +295,7 @@ func (s textList) formatExpandedTo(b []byte, d diffMode, n indentMode) []byte {
b = alignKeyLens[i].appendChar(b, ' ')
b = r.Value.formatExpandedTo(b, d|r.Diff, n)
if !r.Value.Equal(textEllipsis) {
if !r.ElideComma {
b = append(b, ',')
}
b = alignValueLens[i].appendChar(b, ' ')
@ -332,6 +371,11 @@ type diffStats struct {
NumModified int
}
func (s diffStats) IsZero() bool {
s.Name = ""
return s == diffStats{}
}
func (s diffStats) NumDiff() int {
return s.NumRemoved + s.NumInserted + s.NumModified
}

2
vendor/github.com/google/go-cmp/cmp/report_value.go generated vendored
View file

@ -1,6 +1,6 @@
// Copyright 2019, The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE.md file.
// license that can be found in the LICENSE file.
package cmp

Some files were not shown because too many files have changed in this diff Show more