claimName := ""
			if pvcSource := podVolume.VolumeSource.PersistentVolumeClaim; pvcSource != nil {
				claimName = pvcSource.ClaimName
			} else if podVolume.VolumeSource.Ephemeral != nil {
				claimName = ephemeral.VolumeClaimName(pod, &podVolume)
			}
			if claimName != "" {
				keys = append(keys, fmt.Sprintf("%s/%s", pod.Namespace, claimName))
			}
		}
		return keys, nil
	}
}

			pvcRef = &stats.PVCReference{
				Name:      pvcSource.ClaimName,
				Namespace: s.pod.GetNamespace(),
			}
		} else if volSpec.Ephemeral != nil {
			pvcRef = &stats.PVCReference{
				Name:      ephemeral.VolumeClaimName(s.pod, &volSpec),
				Namespace: s.pod.GetNamespace(),
			}
		}
		volumeStats := s.parsePodVolumeStats(name, pvcRef, metric, volSpec)
		if util.IsLocalEphemeralVolume(volSpec) {

		for _, volume := range pod.Spec.Volumes {
			if volume.PersistentVolumeClaim != nil && volume.PersistentVolumeClaim.ClaimName == pvc.Name ||
				!podIsShutDown(pod) && volume.Ephemeral != nil && ephemeral.VolumeClaimName(pod, &volume) == pvc.Name && ephemeral.VolumeIsForPod(pod, pvc) == nil {
				logger.V(2).Info("Pod uses PVC", "pod", klog.KObj(pod), "PVC", klog.KObj(pvc))
				return true
			}
		}
	}
	return false
}

	logger := klog.FromContext(ctx)
	logger.V(5).Info("Ephemeral: checking volume", "volumeName", vol.Name)
	if vol.Ephemeral == nil {
		return nil
	}

	pvcName := ephemeral.VolumeClaimName(pod, &vol)
	pvc, err := ec.pvcLister.PersistentVolumeClaims(pod.Namespace).Get(pvcName)
	if err != nil && !errors.IsNotFound(err) {
		return err
	}
	if pvc != nil {

		claimName = pvcSource.ClaimName
		readOnly = pvcSource.ReadOnly
	}
	isEphemeral := podVolume.VolumeSource.Ephemeral != nil
	if isEphemeral {
		claimName = ephemeral.VolumeClaimName(pod, &podVolume)
	}
	if claimName != "" {
		logger.V(10).Info("Found PVC", "PVC", klog.KRef(pod.Namespace, claimName))

		// If podVolume is a PVC, fetch the real PV behind the claim

		var pvcName string
		isEphemeral := false
		switch {
		case vol.PersistentVolumeClaim != nil:
			pvcName = vol.PersistentVolumeClaim.ClaimName
		case vol.Ephemeral != nil:
			pvcName = ephemeral.VolumeClaimName(pod, &vol)
			isEphemeral = true
		default:
			// Volume is not using a PVC, ignore
			continue
		}
		hasPVC = true
		pvc, err := pl.PVCLister.PersistentVolumeClaims(pod.Namespace).Get(pvcName)

	})

	for _, v := range pod.Spec.Volumes {
		claimName := ""
		if v.PersistentVolumeClaim != nil {
			claimName = v.PersistentVolumeClaim.ClaimName
		} else if v.Ephemeral != nil {
			claimName = ephemeral.VolumeClaimName(pod, &v)
		}
		if claimName != "" {
			pvcVertex := g.getOrCreateVertex_locked(pvcVertexType, pod.Namespace, claimName)
			e := newDestinationEdge(pvcVertex, podVertex, nodeVertex)
			g.graph.SetEdge(e)

			// Generic ephemeral inline volumes also use a PVC,
			// just with a computed name and certain ownership.
			// That is checked below once the pvc object is
			// retrieved.
			pvcName = ephemeral.VolumeClaimName(pod, &vol)
			isEphemeral = true
		default:
			// Inline Volume does not have PVC.
			// Need to check if CSI migration is enabled for this inline volume.

			// Generic ephemeral inline volumes also use a PVC,
			// just with a computed name and certain ownership.
			// That is checked below once the pvc object is
			// retrieved.
			pvcName = ephemeral.VolumeClaimName(pod, vol)
			isEphemeral = true
		default:
			continue
		}
		if pvcName == "" {
			return fmt.Errorf("PersistentVolumeClaim had no name")
		}

		// same way as a PVC reference. The only additional
		// constraint (checked below) is that the PVC must be
		// owned by the pod.
		pvcSource = &v1.PersistentVolumeClaimVolumeSource{
			ClaimName: ephemeral.VolumeClaimName(pod, &podVolume),
		}
	}
	if pvcSource != nil {
		klog.V(5).InfoS("Found PVC", "PVC", klog.KRef(pod.Namespace, pvcSource.ClaimName))
		// If podVolume is a PVC, fetch the real PV behind the claim