defer logger.Info("Shutting down HPA controller")

	if !cache.WaitForNamedCacheSync("HPA", ctx.Done(), a.hpaListerSynced, a.podListerSynced) {
		return
	}

	for i := 0; i < workers; i++ {
		go wait.UntilWithContext(ctx, a.worker, time.Second)
	}

	<-ctx.Done()
}

// obj could be an *v1.HorizontalPodAutoscaler, or a DeletionFinalStateUnknown marker item.
func (a *HorizontalController) updateHPA(old, cur interface{}) {