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

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>
2021-02-16 18:10:53 +01:00 · 2021-02-16 18:10:53 +01:00 · ff95059748
commit ff95059748
parent 449242ebda
881 changed files with 467001 additions and 4846 deletions
--- a/vendor/cloud.google.com/go/internal/.repo-metadata-full.json
+++ b/vendor/cloud.google.com/go/internal/.repo-metadata-full.json
@ -0,0 +1,954 @@
+{
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+    "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"
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+  "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",
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+    "release_level": "beta"
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+    "description": "Cloud Asset API",
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+    "client_library_type": "generated",
+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/asset/apiv1",
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+    "description": "Cloud Billing API",
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+    "client_library_type": "generated",
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+    "language": "Go",
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+    "description": "",
+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/functions/apiv1",
+    "release_level": "ga"
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/gaming/apiv1",
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+    "description": "",
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+    "release_level": "beta"
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+    "description": "Cloud IAM",
+    "language": "Go",
+    "client_library_type": "manual",
+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/iam",
+    "release_level": "ga"
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+  "cloud.google.com/go/iam/credentials/apiv1": {
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+    "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"
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+  "cloud.google.com/go/iot/apiv1": {
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+    "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"
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+  "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"
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+  "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"
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+    "description": "Cloud Natural Language API",
+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/language/apiv1beta2",
+    "release_level": "beta"
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+    "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"
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+    "client_library_type": "generated",
+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/logging/apiv2",
+    "release_level": "ga"
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+  "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"
+  },
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+    "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"
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+    "description": "Cloud Memorystore for Memcached API",
+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/memcache/apiv1beta2",
+    "release_level": "beta"
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+    "description": "Cloud Monitoring API",
+    "language": "Go",
+    "client_library_type": "generated",
+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/monitoring/apiv3/v2",
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+    "language": "Go",
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+    "description": "Notebooks API",
+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/notebooks/apiv1beta1",
+    "release_level": "beta"
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+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/osconfig/agentendpoint/apiv1",
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+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/osconfig/agentendpoint/apiv1beta",
+    "release_level": "beta"
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/osconfig/apiv1beta",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/oslogin/apiv1",
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+    "description": "Cloud OS Login API",
+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/oslogin/apiv1beta",
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+    "description": "Phishing Protection API",
+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/phishingprotection/apiv1beta1",
+    "release_level": "beta"
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+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/profiler",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/pubsub",
+    "release_level": "ga"
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+    "description": "Cloud Pub/Sub API",
+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/pubsub/apiv1",
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+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/pubsublite/apiv1",
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+    "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"
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+    "description": "reCAPTCHA Enterprise API",
+    "language": "Go",
+    "client_library_type": "generated",
+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/recaptchaenterprise/apiv1beta1",
+    "release_level": "beta"
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+    "description": "Recommender API",
+    "language": "Go",
+    "client_library_type": "generated",
+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/recommender/apiv1",
+    "release_level": "ga"
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+    "description": "Recommender API",
+    "language": "Go",
+    "client_library_type": "generated",
+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/recommender/apiv1beta1",
+    "release_level": "beta"
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+    "description": "Google Cloud Memorystore for Redis API",
+    "language": "Go",
+    "client_library_type": "generated",
+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/redis/apiv1",
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+    "description": "Google Cloud Memorystore for Redis API",
+    "language": "Go",
+    "client_library_type": "generated",
+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/redis/apiv1beta1",
+    "release_level": "beta"
+  },
+  "cloud.google.com/go/retail/apiv2": {
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+    "description": "Retail API",
+    "language": "Go",
+    "client_library_type": "generated",
+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/retail/apiv2",
+    "release_level": "beta"
+  },
+  "cloud.google.com/go/rpcreplay": {
+    "distribution_name": "cloud.google.com/go/rpcreplay",
+    "description": "RPC Replay",
+    "language": "Go",
+    "client_library_type": "manual",
+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/rpcreplay",
+    "release_level": "ga"
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+  "cloud.google.com/go/scheduler/apiv1": {
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+    "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": {
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+    "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"
+  },
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+    "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"
+  },
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+    "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"
+  },
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+    "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": {
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+    "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"
+  },
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+    "description": "Service Directory API",
+    "language": "Go",
+    "client_library_type": "generated",
+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/servicedirectory/apiv1",
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+    "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"
+  },
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+    "description": "Cloud Spanner",
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+    "client_library_type": "manual",
+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/spanner",
+    "release_level": "ga"
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+    "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",
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+    "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"
+  },
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+    "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"
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+    "description": "Cloud Speech-to-Text API",
+    "language": "Go",
+    "client_library_type": "generated",
+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/speech/apiv1",
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+  },
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+    "description": "Cloud Speech-to-Text API",
+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/speech/apiv1p1beta1",
+    "release_level": "beta"
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+    "description": "Cloud Storage (GCS)",
+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/storage",
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+    "description": "",
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+    "description": "Cloud Talent Solution API",
+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/talent/apiv4beta1",
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+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/trace/apiv1",
+    "release_level": "ga"
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+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/trace/apiv2",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/translate/apiv3",
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+    "description": "",
+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/video/transcoder/apiv1beta1",
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+  },
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+    "description": "Cloud Video Intelligence API",
+    "language": "Go",
+    "client_library_type": "generated",
+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/videointelligence/apiv1",
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+    "description": "Google Cloud Video Intelligence API",
+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/videointelligence/apiv1beta2",
+    "release_level": "beta"
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/vision/apiv1",
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+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/vision/apiv1p1beta1",
+    "release_level": "beta"
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+    "description": "Web Risk API",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/webrisk/apiv1",
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+    "description": "Web Risk API",
+    "language": "Go",
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+    "docs_url": "https://pkg.go.dev/cloud.google.com/go/webrisk/apiv1beta1",
+    "release_level": "beta"
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+    "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"
+  }
+}
--- a/vendor/cloud.google.com/go/internal/README.md
+++ b/vendor/cloud.google.com/go/internal/README.md
@ -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.
--- a/vendor/cloud.google.com/go/internal/annotate.go
+++ b/vendor/cloud.google.com/go/internal/annotate.go
@ -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...))
+}
--- a/vendor/cloud.google.com/go/internal/optional/optional.go
+++ b/vendor/cloud.google.com/go/internal/optional/optional.go
@ -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))
+}
--- a/vendor/cloud.google.com/go/internal/retry.go
+++ b/vendor/cloud.google.com/go/internal/retry.go
@ -0,0 +1,54 @@
+// 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
+		}
+	}
+}
--- a/vendor/cloud.google.com/go/internal/trace/trace.go
+++ b/vendor/cloud.google.com/go/internal/trace/trace.go
@ -0,0 +1,109 @@
+// 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...)
+}
--- a/vendor/cloud.google.com/go/internal/version/update_version.sh
+++ b/vendor/cloud.google.com/go/internal/version/update_version.sh
@ -0,0 +1,19 @@
+#!/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
+
--- a/vendor/cloud.google.com/go/internal/version/version.go
+++ b/vendor/cloud.google.com/go/internal/version/version.go
@ -0,0 +1,71 @@
+// 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)
+}