func (p *podWorkers) wrapUp(uid types.UID, syncErr error) {
// Requeue the last update if the last sync returned error.
switch {
case syncErr == nil:
// No error; requeue at the regular resync interval.
p.workQueue.Enqueue(uid, wait.Jitter(p.resyncInterval, workerResyncIntervalJitterFactor))
default:
// Error occurred during the sync; back off and then retry.
p.workQueue.Enqueue(uid, wait.Jitter(p.backOffPeriod, workerBackOffPeriodJitterFactor))
}
p.checkForUpdates(uid)
}
// acquire loops calling tryAcquireOrRenew and returns immediately when tryAcquireOrRenew succeeds.
func (le *LeaderElector) acquire() {
stop := make(chan struct{})
wait.Until(func() {
succeeded := le.tryAcquireOrRenew()
le.maybeReportTransition()
if !succeeded {
glog.V(4).Infof("failed to renew lease %v/%v", le.config.EndpointsMeta.Namespace, le.config.EndpointsMeta.Name)
time.Sleep(wait.Jitter(le.config.RetryPeriod, JitterFactor))
return
}
le.config.EventRecorder.Eventf(&api.Endpoints{ObjectMeta: le.config.EndpointsMeta}, api.EventTypeNormal, "%v became leader", le.config.Identity)
glog.Infof("sucessfully acquired lease %v/%v", le.config.EndpointsMeta.Namespace, le.config.EndpointsMeta.Name)
close(stop)
}, 0, stop)
}