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author | bojie <bojie@dexon.org> | 2018-12-28 13:15:06 +0800 |
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committer | Wei-Ning Huang <w@byzantine-lab.io> | 2019-06-12 17:27:20 +0800 |
commit | 3d46f69a10a60324ee6af0c96d064cc73ed5c37d (patch) | |
tree | ae9dd76f3f9a69c0acb18f6b0343601558d2e00f /vendor/cloud.google.com/go/internal/retry.go | |
parent | 2426b985ae9773afe12f5a9f982cf4f2629f81a3 (diff) | |
download | go-tangerine-3d46f69a10a60324ee6af0c96d064cc73ed5c37d.tar.gz go-tangerine-3d46f69a10a60324ee6af0c96d064cc73ed5c37d.tar.zst go-tangerine-3d46f69a10a60324ee6af0c96d064cc73ed5c37d.zip |
app: use gcp storage instead of azure for builds (#81)
* vendor: add dependencies for using GCP storage
* app: use gcp storage instead of azure for builds
Diffstat (limited to 'vendor/cloud.google.com/go/internal/retry.go')
-rw-r--r-- | vendor/cloud.google.com/go/internal/retry.go | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/vendor/cloud.google.com/go/internal/retry.go b/vendor/cloud.google.com/go/internal/retry.go new file mode 100644 index 000000000..99093cc46 --- /dev/null +++ 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" +) + +// 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 + } + } +} |