}

	serviceInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc: c.onServiceUpdate,
		UpdateFunc: func(old, cur interface{}) {
			c.onServiceUpdate(cur)
		},
		DeleteFunc: c.onServiceDelete,
	})
	c.serviceLister = serviceInformer.Lister()
	c.servicesSynced = serviceInformer.Informer().HasSynced

	podInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{

		},
		{
			name:               "node added to informer after quarantine",
			delay:              2 * quarantineTime,
			addedInformerNodes: []*v1.Node{testutil.NewNode("node")},
			pods: []*v1.Pod{
				makePod("a", "node", v1.PodFailed),
			},
			itemsInQueue: 1,
		},
		{
			// It shouldn't happen that client will be lagging behind informer.
			// This test case is more a sanity check.

	podLister corelisters.PodLister
	// podListerSynced returns true if the pod shared informer has synced at least once
	podListerSynced cache.InformerSynced
	// setLister is able to list/get stateful sets from a shared informer's store
	setLister appslisters.StatefulSetLister
	// setListerSynced returns true if the stateful set shared informer has synced at least once
	setListerSynced cache.InformerSynced

		if accessor, err := meta.Accessor(obj); err == nil {
			if accessor.GetManagedFields() != nil {
				accessor.SetManagedFields(nil)
			}
		}
		return obj, nil
	}
	informer.SetTransform(trim)
	return informer

// Package crdclient provides an implementation of the config store and cache
// using Kubernetes Custom Resources and the informer framework from Kubernetes
//
// This code relies heavily on code generation for performance reasons; to implement the
// Istio store interface, we need to take dynamic inputs. Using the dynamic informers results in poor
// performance, as the cache will store unstructured objects which need to be marshaled on each Get/List call.

	SetKubeletError(err error)

	// GetInformerFactory returns the informer factory for CSIDriverLister
	GetInformerFactory() informers.SharedInformerFactory
	// CSIDriverLister returns the informer lister for the CSIDriver API Object
	CSIDriverLister() storagelistersv1.CSIDriverLister
	// CSIDriverSynced returns the informer synced for the CSIDriver API Object
	CSIDriversSynced() cache.InformerSynced

		return nil, fmt.Errorf("failed to find pod %v", ns)
	}
	if util.PodRedirectionEnabled(ns, pod) {
		return pod, nil
	}
	return nil, nil
}

func (s *InformerHandlers) Start() {
	kube.WaitForCacheSync("informer", s.ctx.Done(), s.pods.HasSynced, s.namespaces.HasSynced)
	go s.queue.Run(s.ctx.Done())
}

// Gets a point-in-time snapshot of all pods that are CURRENTLY ambient enabled
// (as per control plane annotation)

	namespaces.AddEventHandler(clienttest.TrackerHandler(tracker))
	// This is not great! But seems the best we can do.
	// For namespaces specifically we have an interesting race.
	// We will have 2+ informer handlers: the filter itself, and N controllers.
	// The ordering of handlers if random. If the filter receives the event first, it could suppress re-sending the namespace event,

}

func (vm *volumeManager) Run(sourcesReady config.SourcesReady, stopCh <-chan struct{}) {
	defer runtime.HandleCrash()

	if vm.kubeClient != nil {
		// start informer for CSIDriver
		go vm.volumePluginMgr.Run(stopCh)
	}

	go vm.desiredStateOfWorldPopulator.Run(sourcesReady, stopCh)
	klog.V(2).InfoS("The desired_state_of_world populator starts")

		logger.Error(err, "Error scheduling pod; retrying", "pod", klog.KObj(pod))
	}

	// Check if the Pod exists in informer cache.
	podLister := fwk.SharedInformerFactory().Core().V1().Pods().Lister()
	cachedPod, e := podLister.Pods(pod.Namespace).Get(pod.Name)
	if e != nil {
		logger.Info("Pod doesn't exist in informer cache", "pod", klog.KObj(pod), "err", e)