mirror of
https://github.com/prometheus/prometheus.git
synced 2024-12-30 07:59:40 -08:00
38 lines
1.1 KiB
Go
38 lines
1.1 KiB
Go
|
// Copyright 2013 The Prometheus 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.
|
||
|
|
|
||
|
|
// Copied from https://github.com/efficientgo/core/blob/a21078e2c723b69e05f95c65dbc5058712b4edd8/runutil/runutil.go#L39
|
||
|
|
// and adjusted.
|
||
|
|
|
||
|
|
package runutil
|
||
|
|
|
||
|
|
import "time"
|
||
|
|
|
||
|
|
// Retry executes f every interval seconds until timeout or no error is returned from f.
|
||
|
|
func Retry(interval time.Duration, stopc <-chan struct{}, f func() error) error {
|
||
|
|
tick := time.NewTicker(interval)
|
||
|
|
defer tick.Stop()
|
||
|
|
|
||
|
|
var err error
|
||
|
|
for {
|
||
|
|
if err = f(); err == nil {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
select {
|
||
|
|
case <-stopc:
|
||
|
|
return err
|
||
|
|
case <-tick.C:
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|