// worker runs a worker thread that just dequeues items, processes them, and marks them done.
func (rq *ResourceQuotaController) worker(queue workqueue.RateLimitingInterface) func() {
workFunc := func() bool {
key, quit := queue.Get()
if quit {
return true
}
defer queue.Done(key)
err := rq.syncHandler(key.(string))
if err == nil {
queue.Forget(key)
return false
}
utilruntime.HandleError(err)
queue.AddRateLimited(key)
return false
}
return func() {
for {
if quit := workFunc(); quit {
glog.Infof("resource quota controller worker shutting down")
return
}
}
}
}
// complete optionally requeues key, then calls queue.Done(key)
func (e *TokensController) retryOrForget(queue workqueue.RateLimitingInterface, key interface{}, requeue bool) {
if !requeue {
queue.Forget(key)
return
}
requeueCount := queue.NumRequeues(key)
if requeueCount < e.maxRetries {
queue.AddRateLimited(key)
return
}
glog.V(4).Infof("retried %d times: %#v", requeueCount, key)
queue.Forget(key)
}