lego/platform/wait/wait.go
Fernandez Ludovic e7a90b9471 chore: migrate to go module (v3.0.0)
- chore: update dependencies: use version with go modules.
- chore: remove dep.
- chore: update backoff imports.
- chore: init go module.
- chore: update CI.
- chore: mod v3
- chore: update docker image.
2019-08-07 14:07:47 +02:00

33 lines
614 B
Go

package wait
import (
"fmt"
"time"
"github.com/go-acme/lego/v3/log"
)
// For polls the given function 'f', once every 'interval', up to 'timeout'.
func For(msg string, timeout, interval time.Duration, f func() (bool, error)) error {
log.Infof("Wait for %s [timeout: %s, interval: %s]", msg, timeout, interval)
var lastErr string
timeUp := time.After(timeout)
for {
select {
case <-timeUp:
return fmt.Errorf("time limit exceeded: last error: %s", lastErr)
default:
}
stop, err := f()
if stop {
return nil
}
if err != nil {
lastErr = err.Error()
}
time.Sleep(interval)
}
}