/
retry.go
53 lines (42 loc) · 929 Bytes
/
retry.go
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package tasks
import (
"fmt"
"log"
"time"
"github.com/cenk/backoff"
"github.com/giantswarm/microerror"
)
// RetryTask is a task to retry wrapped tasks.
type RetryTask struct {
BackOff backoff.BackOff
Task Task
}
func (t RetryTask) Run() error {
o := func() error {
err := t.Task.Run()
if err != nil {
return microerror.Mask(err)
}
return nil
}
n := func(err error, dur time.Duration) {
log.Printf("retrying task '%s' due to error (%s)\n", t.Task.Name(), err.Error())
}
err := backoff.RetryNotify(o, t.BackOff, n)
if err != nil {
return microerror.Mask(err)
}
return nil
}
func (t RetryTask) Name() string {
return fmt.Sprintf("retry task '%s'", t.Task.Name())
}
func (t RetryTask) String() string {
return fmt.Sprintf("retry task '%s'", t.Task.String())
}
func NewRetryTask(backOff backoff.BackOff, task Task) RetryTask {
return RetryTask{
BackOff: backOff,
Task: task,
}
}