| // Copyright 2015 The LUCI Authors. |
| // |
| // 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 utils |
| |
| import ( |
| "go.chromium.org/luci/common/retry/transient" |
| "google.golang.org/api/googleapi" |
| ) |
| |
| // IsTransientAPIError returns true if error from Google API client indicates |
| // an error that can go away on its own in the future. |
| func IsTransientAPIError(err error) bool { |
| if err == nil { |
| return false |
| } |
| apiErr, _ := err.(*googleapi.Error) |
| if apiErr == nil { |
| return true // failed to get HTTP code => connectivity error => transient |
| } |
| return apiErr.Code >= 500 || apiErr.Code == 429 || apiErr.Code == 0 |
| } |
| |
| // WrapAPIError wraps error from Google API client in transient wrapper if |
| // necessary. |
| func WrapAPIError(err error) error { |
| if IsTransientAPIError(err) { |
| return transient.Tag.Apply(err) |
| } |
| return err |
| } |
