func (d *Driver) acquire(uc config.UseLocker, ttl, timeout time.Duration) error {
now := time.Now()
var err error
retry:
if ttl != time.Duration(0) {
if err = d.Config.PublishUseWithTTL(uc, ttl); err != nil {
logrus.Debugf("Lock publish failed for %q with error: %v. Continuing.", uc, err)
}
} else {
if err = d.Config.PublishUse(uc); err != nil {
logrus.Warnf("Could not acquire %q lock for %q", uc.GetReason(), uc.GetVolume())
}
}
if err != nil {
if ok, err := d.lockWait(uc, timeout, now, "publish"); ok && err == nil {
goto retry
} else if err != nil {
return err
}
}
return nil
}
func (d *Driver) lockWait(uc config.UseLocker, timeout time.Duration, now time.Time, reason string) (bool, error) {
logrus.Warnf("Could not %s %q lock for %q", reason, uc.GetReason(), uc.GetVolume())
if timeout != 0 && (timeout == -1 || time.Since(now) < timeout) {
logrus.Warnf("Waiting 100ms for %q lock on %q to free", uc.GetReason(), uc.GetVolume())
time.Sleep(wait.Jitter(100*time.Millisecond, 0))
return true, nil
} else if time.Since(now) >= timeout {
return false, errors.LockFailed
}
return false, nil
}
