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build(deps): bump cloud.google.com/go/storage from 1.16.1 to 1.18.1

Browse source 
Bumps [cloud.google.com/go/storage](https://github.com/googleapis/google-cloud-go) from 1.16.1 to 1.18.1.
- [Release notes](https://github.com/googleapis/google-cloud-go/releases)
- [Changelog](https://github.com/googleapis/google-cloud-go/blob/master/CHANGES.md)
- [Commits](https://github.com/googleapis/google-cloud-go/compare/storage/v1.16.1...storage/v1.18.1)

---
updated-dependencies:
- dependency-name: cloud.google.com/go/storage
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
This commit is contained in:
dependabot[bot] 2021-10-18 04:42:23 +00:00 • committed by Tom Gundersen
parent 51024c482d
commit 9075dbc61d
79 changed files with 4237 additions and 1468 deletions
Download patch file Download diff file Expand all files Collapse all files

420
vendor/cloud.google.com/go/storage/writer.go generated vendored
View file

@ -23,8 +23,21 @@ import (
"sync"
"unicode/utf8"
"github.com/golang/protobuf/proto"
"golang.org/x/xerrors"
"google.golang.org/api/googleapi"
raw "google.golang.org/api/storage/v1"
storagepb "google.golang.org/genproto/googleapis/storage/v2"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
const (
// Maximum amount of content that can be sent per WriteObjectRequest message.
// A buffer reaching this amount will precipitate a flush of the buffer.
//
// This is only used for the gRPC-based Writer.
maxPerMessageWriteSize int = int(storagepb.ServiceConstants_MAX_WRITE_CHUNK_BYTES)
)
// A Writer writes a Cloud Storage object.
@ -84,30 +97,30 @@ type Writer struct {
mu sync.Mutex
err error
// The gRPC client-stream used for sending buffers.
//
// This is an experimental API and not intended for public use.
stream storagepb.Storage_WriteObjectClient
// The Resumable Upload ID started by a gRPC-based Writer.
//
// This is an experimental API and not intended for public use.
upid string
}
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")
}
if w.ChunkSize < 0 {
return errors.New("storage: Writer.ChunkSize must be non-negative")
if err := w.validateWriteAttrs(); err != nil {
return err
}
pr, pw := io.Pipe()
w.pw = pw
w.opened = true
go w.monitorCancel()
attrs := w.ObjectAttrs
mediaOpts := []googleapi.MediaOption{
googleapi.ChunkSize(w.ChunkSize),
}
@ -190,7 +203,12 @@ func (w *Writer) Write(p []byte) (n int, err error) {
return 0, werr
}
if !w.opened {
if err := w.open(); err != nil {
// gRPC client has been initialized - use gRPC to upload.
if w.o.c.gc != nil {
if err := w.openGRPC(); err != nil {
return 0, err
}
} else if err := w.open(); err != nil {
return 0, err
}
}
@ -202,7 +220,7 @@ func (w *Writer) Write(p []byte) (n int, err error) {
// 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 {
if xerrors.Is(werr, context.Canceled) || xerrors.Is(werr, context.DeadlineExceeded) {
return n, werr
}
}
@ -263,3 +281,373 @@ func (w *Writer) CloseWithError(err error) error {
func (w *Writer) Attrs() *ObjectAttrs {
return w.obj
}
func (w *Writer) validateWriteAttrs() 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")
}
if w.ChunkSize < 0 {
return errors.New("storage: Writer.ChunkSize must be non-negative")
}
return nil
}
// progress is a convenience wrapper that reports write progress to the Writer
// ProgressFunc if it is set and progress is non-zero.
func (w *Writer) progress(p int64) {
if w.ProgressFunc != nil && p != 0 {
w.ProgressFunc(p)
}
}
// error acquires the Writer's lock, sets the Writer's err to the given error,
// then relinquishes the lock.
func (w *Writer) error(err error) {
w.mu.Lock()
w.err = err
w.mu.Unlock()
}
// openGRPC initializes a pipe for the user to write data to, and a routine to
// read from that pipe and upload the data to GCS via gRPC.
//
// This is an experimental API and not intended for public use.
func (w *Writer) openGRPC() error {
if err := w.validateWriteAttrs(); err != nil {
return err
}
pr, pw := io.Pipe()
w.pw = pw
w.opened = true
go w.monitorCancel()
bufSize := w.ChunkSize
if w.ChunkSize == 0 {
// TODO: Should we actually use the minimum of 256 KB here when the user
// indicates they want minimal memory usage? We cannot do a zero-copy,
// bufferless upload like HTTP/JSON can.
// TODO: We need to determine if we can avoid starting a
// resumable upload when the user *plans* to send more than bufSize but
// with a bufferless upload.
bufSize = maxPerMessageWriteSize
}
buf := make([]byte, bufSize)
var offset int64
// This function reads the data sent to the pipe and sends sets of messages
// on the gRPC client-stream as the buffer is filled.
go func() {
defer close(w.donec)
// Loop until there is an error or the Object has been finalized.
for {
// Note: This blocks until either the buffer is full or EOF is read.
recvd, doneReading, err := read(pr, buf)
if err != nil {
err = checkCanceled(err)
w.error(err)
pr.CloseWithError(err)
return
}
toWrite := buf[:recvd]
// TODO: Figure out how to set up encryption via CommonObjectRequestParams.
// The chunk buffer is full, but there is no end in sight. This
// means that a resumable upload will need to be used to send
// multiple chunks, until we are done reading data. Start a
// resumable upload if it has not already been started.
// Otherwise, all data will be sent over a single gRPC stream.
if !doneReading && w.upid == "" {
err = w.startResumableUpload()
if err != nil {
err = checkCanceled(err)
w.error(err)
pr.CloseWithError(err)
return
}
}
o, off, finalized, err := w.uploadBuffer(toWrite, recvd, offset, doneReading)
if err != nil {
err = checkCanceled(err)
w.error(err)
pr.CloseWithError(err)
return
}
// At this point, the current buffer has been uploaded. Capture the
// committed offset here in case the upload was not finalized and
// another chunk is to be uploaded.
offset = off
w.progress(offset)
// When we are done reading data and the chunk has been finalized,
// we are done.
if doneReading && finalized {
// Build Object from server's response.
w.obj = newObjectFromProto(o)
return
}
}
}()
return nil
}
// startResumableUpload initializes a Resumable Upload with gRPC and sets the
// upload ID on the Writer.
//
// This is an experimental API and not intended for public use.
func (w *Writer) startResumableUpload() error {
var common *storagepb.CommonRequestParams
if w.o.userProject != "" {
common = &storagepb.CommonRequestParams{UserProject: w.o.userProject}
}
spec, err := w.writeObjectSpec()
if err != nil {
return err
}
upres, err := w.o.c.gc.StartResumableWrite(w.ctx, &storagepb.StartResumableWriteRequest{
WriteObjectSpec: spec,
CommonRequestParams: common,
})
w.upid = upres.GetUploadId()
return err
}
// queryProgress is a helper that queries the status of the resumable upload
// associated with the given upload ID.
//
// This is an experimental API and not intended for public use.
func (w *Writer) queryProgress() (int64, error) {
q, err := w.o.c.gc.QueryWriteStatus(w.ctx, &storagepb.QueryWriteStatusRequest{UploadId: w.upid})
// q.GetCommittedSize() will return 0 if q is nil.
return q.GetCommittedSize(), err
}
// uploadBuffer opens a Write stream and uploads the buffer at the given offset (if
// uploading a chunk for a resumable uploadBuffer), and will mark the write as
// finished if we are done receiving data from the user. The resulting write
// offset after uploading the buffer is returned, as well as a boolean
// indicating if the Object has been finalized. If it has been finalized, the
// final Object will be returned as well. Finalizing the upload is primarily
// important for Resumable Uploads. A simple or multi-part upload will always
// be finalized once the entire buffer has been written.
//
// This is an experimental API and not intended for public use.
func (w *Writer) uploadBuffer(buf []byte, recvd int, start int64, doneReading bool) (*storagepb.Object, int64, bool, error) {
var err error
var finishWrite bool
var sent, limit int = 0, maxPerMessageWriteSize
offset := start
for {
first := sent == 0
// This indicates that this is the last message and the remaining
// data fits in one message.
belowLimit := recvd-sent <= limit
if belowLimit {
limit = recvd - sent
}
if belowLimit && doneReading {
finishWrite = true
}
// Prepare chunk section for upload.
data := buf[sent : sent+limit]
req := &storagepb.WriteObjectRequest{
Data: &storagepb.WriteObjectRequest_ChecksummedData{
ChecksummedData: &storagepb.ChecksummedData{
Content: data,
},
},
WriteOffset: offset,
FinishWrite: finishWrite,
}
// Open a new stream and set the first_message field on the request.
// The first message on the WriteObject stream must either be the
// Object or the Resumable Upload ID.
if first {
w.stream, err = w.o.c.gc.WriteObject(w.ctx)
if err != nil {
return nil, 0, false, err
}
if w.upid != "" {
req.FirstMessage = &storagepb.WriteObjectRequest_UploadId{UploadId: w.upid}
} else {
spec, err := w.writeObjectSpec()
if err != nil {
return nil, 0, false, err
}
req.FirstMessage = &storagepb.WriteObjectRequest_WriteObjectSpec{
WriteObjectSpec: spec,
}
}
// TODO: Currently the checksums are only sent on the first message
// of the stream, but in the future, we must also support sending it
// on the *last* message of the stream (instead of the first).
if w.SendCRC32C {
req.ObjectChecksums = &storagepb.ObjectChecksums{
Crc32C: proto.Uint32(w.CRC32C),
Md5Hash: w.MD5,
}
}
}
err = w.stream.Send(req)
if err == io.EOF {
// err was io.EOF. The client-side of a stream only gets an EOF on Send
// when the backend closes the stream and wants to return an error
// status. Closing the stream receives the status as an error.
_, err = w.stream.CloseAndRecv()
// Retriable errors mean we should start over and attempt to
// resend the entire buffer via a new stream.
// If not retriable, falling through will return the error received
// from closing the stream.
if shouldRetry(err) {
sent = 0
finishWrite = false
// TODO: Add test case for failure modes of querying progress.
offset, err = w.determineOffset(start)
if err == nil {
continue
}
}
}
if err != nil {
return nil, 0, false, err
}
// Update the immediate stream's sent total and the upload offset with
// the data sent.
sent += len(data)
offset += int64(len(data))
// Not done sending data, do not attempt to commit it yet, loop around
// and send more data.
if recvd-sent > 0 {
continue
}
// Done sending data. Close the stream to "commit" the data sent.
resp, finalized, err := w.commit()
// Retriable errors mean we should start over and attempt to
// resend the entire buffer via a new stream.
// If not retriable, falling through will return the error received
// from closing the stream.
if shouldRetry(err) {
sent = 0
finishWrite = false
offset, err = w.determineOffset(start)
if err == nil {
continue
}
}
if err != nil {
return nil, 0, false, err
}
return resp.GetResource(), offset, finalized, nil
}
}
// determineOffset either returns the offset given to it in the case of a simple
// upload, or queries the write status in the case a resumable upload is being
// used.
//
// This is an experimental API and not intended for public use.
func (w *Writer) determineOffset(offset int64) (int64, error) {
// For a Resumable Upload, we must start from however much data
// was committed.
if w.upid != "" {
committed, err := w.queryProgress()
if err != nil {
return 0, err
}
offset = committed
}
return offset, nil
}
// commit closes the stream to commit the data sent and potentially receive
// the finalized object if finished uploading. If the last request sent
// indicated that writing was finished, the Object will be finalized and
// returned. If not, then the Object will be nil, and the boolean returned will
// be false.
//
// This is an experimental API and not intended for public use.
func (w *Writer) commit() (*storagepb.WriteObjectResponse, bool, error) {
finalized := true
resp, err := w.stream.CloseAndRecv()
if err == io.EOF {
// Closing a stream for a resumable upload finish_write = false results
// in an EOF which can be ignored, as we aren't done uploading yet.
finalized = false
err = nil
}
// Drop the stream reference as it has been closed.
w.stream = nil
return resp, finalized, err
}
// writeObjectSpec constructs a WriteObjectSpec proto using the Writer's
// ObjectAttrs and applies its Conditions. This is only used for gRPC.
//
// This is an experimental API and not intended for public use.
func (w *Writer) writeObjectSpec() (*storagepb.WriteObjectSpec, error) {
spec := &storagepb.WriteObjectSpec{
Resource: w.ObjectAttrs.toProtoObject(w.o.bucket),
}
// WriteObject doesn't support the generation condition, so use -1.
if err := applyCondsProto("WriteObject", -1, w.o.conds, spec); err != nil {
return nil, err
}
return spec, nil
}
// read copies the data in the reader to the given buffer and reports how much
// data was read into the buffer and if there is no more data to read (EOF).
//
// This is an experimental API and not intended for public use.
func read(r io.Reader, buf []byte) (int, bool, error) {
// Set n to -1 to start the Read loop.
var n, recvd int = -1, 0
var err error
for err == nil && n != 0 {
// The routine blocks here until data is received.
n, err = r.Read(buf[recvd:])
recvd += n
}
var done bool
if err == io.EOF {
done = true
err = nil
}
return recvd, done, err
}
func checkCanceled(err error) error {
if status.Code(err) == codes.Canceled {
return context.Canceled
}
return err
}