return fmt.Errorf("unexpected key prefix: %s", prefix)
	}

}

func (ec *Controller) syncPod(ctx context.Context, namespace, name string) error {
	logger := klog.LoggerWithValues(klog.FromContext(ctx), "pod", klog.KRef(namespace, name))
	ctx = klog.NewContext(ctx, logger)
	pod, err := ec.podLister.Pods(namespace).Get(name)
	if err != nil {
		if apierrors.IsNotFound(err) {

	return true
}

func (c *Controller) processPV(ctx context.Context, pvName string) error {
	logger := klog.FromContext(ctx)
	logger.V(4).Info("Processing PV", "PV", klog.KRef("", pvName))
	startTime := time.Now()
	defer func() {
		logger.V(4).Info("Finished processing PV", "PV", klog.KRef("", pvName), "cost", time.Since(startTime))
	}()

	pv, err := c.pvLister.Get(pvName)
	if apierrors.IsNotFound(err) {

	if kubeClient == nil {
		return nil
	}

	logger := klog.FromContext(ctx)
	logger = klog.LoggerWithName(logger, "node resources controller")
	ctx = klog.NewContext(ctx, logger)

	c := &nodeResourcesController{
		ctx:        ctx,
		kubeClient: kubeClient,
		getNode:    getNode,

limitations under the License.
*/

package flexvolume

import (
	"time"

	"k8s.io/klog/v2"
	"k8s.io/mount-utils"

	"k8s.io/apimachinery/pkg/types"
)

type detacherDefaults flexVolumeDetacher

// Detach is part of the volume.Detacher interface.
func (d *detacherDefaults) Detach(volumeName string, hostName types.NodeName) error {

func removeMountDir(plug *csiPlugin, mountPath string) error {
	klog.V(4).Info(log("removing mount path [%s]", mountPath))

	mnt, err := isDirMounted(plug, mountPath)
	if err != nil {
		return err
	}
	if !mnt {
		klog.V(4).Info(log("dir not mounted, deleting it [%s]", mountPath))
		if err := os.Remove(mountPath); err != nil && !os.IsNotExist(err) {
			return errors.New(log("failed to remove dir [%s]: %v", mountPath, err))
		}

	// https://github.com/kubernetes/kubernetes/issues/111672
	logger = klog.LoggerWithValues(logger, "pod", klog.KObj(pod))
	ctx = klog.NewContext(ctx, logger)
	logger.V(4).Info("About to try and schedule pod", "pod", klog.KObj(pod))

	fwk, err := sched.frameworkForPod(pod)
	if err != nil {
		// This shouldn't happen, because we only accept for scheduling the pods
		// which specify a scheduler name that matches one of the profiles.

		if _, present := spec.VolumeLabels[k]; present {
			klog.Warningf("not saving annotation: %s=%s in spec labels due to an existing key", k, v)
			continue
		}
		spec.VolumeLabels[k] = v
	}

	volumeID, err := driver.Create(locator, source, spec)
	if err != nil {
		klog.Errorf("Error creating Portworx Volume : %v", err)
		return "", 0, nil, err
	}

				podsToDelete = append(podsToDelete, oldestOldPod.Name)
			case podutil.IsPodAvailable(oldestNewPod, ds.Spec.MinReadySeconds, metav1.Time{Time: dsc.failedPodsBackoff.Clock.Now()}):

	bestHint, admit := s.calculateAffinity(pod)
	klog.InfoS("Best TopologyHint", "bestHint", bestHint, "pod", klog.KObj(pod))
	if !admit {
		metrics.TopologyManagerAdmissionErrorsTotal.Inc()
		return admission.GetPodAdmitResult(&TopologyAffinityError{})
	}

	for _, container := range append(pod.Spec.InitContainers, pod.Spec.Containers...) {
		klog.InfoS("Topology Affinity", "bestHint", bestHint, "pod", klog.KObj(pod), "containerName", container.Name)

	}

	dir, name := filepath.Split(socketPath)

	klog.V(2).InfoS("Creating device plugin registration server", "version", api.Version, "socket", socketPath)
	s := &server{
		socketName: name,
		socketDir:  dir,
		rhandler:   rh,
		chandler:   ch,
		clients:    make(map[string]Client),
	}

	return s, nil
}

func (s *server) Start() error {
	klog.V(2).InfoS("Starting device plugin registration server")