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