}
}

// run is running in the background. It handles blocking initialization (like
// syncing the informer) and then syncs the actual with the desired state.
func (c *nodeResourcesController) run(ctx context.Context) {
	logger := klog.FromContext(ctx)

	// When kubelet starts, we have two choices:
	// - Sync immediately, which in practice will delete all ResourceSlices

	// pod workers have synced (syncPod could be called). Once the pod workers
	// have synced it returns false if the pod has a sync status until
	// SyncTerminatedPod completes successfully. If the pod workers have synced,
	// but the pod does not have a status it returns true.
	//
	// Intended for use by subsystem sync loops to avoid performing background setup

	qm.monitorLock.RLock()
	defer qm.monitorLock.RUnlock()

	if len(qm.monitors) == 0 {
		logger.V(4).Info("quota monitor not synced: no monitors")
		return false
	}

	for resource, monitor := range qm.monitors {
		if !monitor.controller.HasSynced() {
			logger.V(4).Info("quota monitor not synced", "resource", resource)
			return false
		}
	}
	return true
}

Laura Kassovic <******@****.***> 1701107622 -0800

// registerHandlerAsBatched is a helper to register the provided handler as a batched handler. This allows collections to
// only implement RegisterBatch.
func registerHandlerAsBatched[T any](c internalCollection[T], f func(o Event[T])) Syncer {
	return c.RegisterBatch(func(events []Event[T], initialSync bool) {
		for _, o := range events {
			f(o)
		}
	}, true)
}

// castEvent converts an Event[I] to Event[O].

	crdInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc:    c.addCustomResourceDefinition,
		UpdateFunc: c.updateCustomResourceDefinition,
	})

	c.syncFn = c.sync

	return c
}

func (c *CRDFinalizer) sync(key string) error {
	cachedCRD, err := c.crdLister.Get(key)
	if apierrors.IsNotFound(err) {
		return nil
	}
	if err != nil {
		return err
	}

	// no work to do

		AddFunc:    c.addCustomResourceDefinition,
		UpdateFunc: c.updateCustomResourceDefinition,
		DeleteFunc: c.deleteCustomResourceDefinition,
	})

	c.syncFn = c.sync

	return c
}

func (c *NamingConditionController) getAcceptedNamesForGroup(group string) (allResources sets.String, allKinds sets.String) {
	allResources = sets.String{}
	allKinds = sets.String{}

func (m *InformerManager) GetTrustAnchorsByName(name string, allowMissing bool) ([]byte, error) {
	if !m.ctbInformer.HasSynced() {
		return nil, fmt.Errorf("ClusterTrustBundle informer has not yet synced")
	}

	cacheKey := cacheKeyType{ctbName: name}

	if cachedAnchors, ok := m.normalizationCache.Get(cacheKey); ok {
		return cachedAnchors.([]byte), nil
	}

	ctb, err := m.ctbLister.Get(name)

	kubeClient clientset.Interface
	podManager PodManager
	// Map from pod UID to sync status of the corresponding pod.
	podStatuses      map[types.UID]versionedPodStatus
	podStatusesLock  sync.RWMutex
	podStatusChannel chan struct{}
	// Map from (mirror) pod UID to latest status version successfully sent to the API server.
	// apiStatusVersions must only be accessed from the sync thread.
	apiStatusVersions map[kubetypes.MirrorPodUID]uint64

	defer klog.Info("Stopping ServiceCIDR Allocator Controllerr")

	// Wait for all involved caches to be synced, before processing items from the queue is started
	if !cache.WaitForCacheSync(c.internalStopCh, c.serviceCIDRSynced, c.ipAddressSynced) {
		runtime.HandleError(fmt.Errorf("timed out waiting for caches to sync"))
		return
	}

	// this is single threaded only one serviceCIDR at a time