apiVersion: release-notes/v2
kind: bug-fix
area: traffic-management
issue:
  - 43853
releaseNotes:
  - |

Please refer to `k8s.io/cloud-provider/sample` if you do not have the requirement of adding/deleting controllers in CCM.

## Things you should NOT do

1. Vendor in `k8s.io/cmd/cloud-controller-manager`.
2. Directly modify anything under `k8s.io/cmd/cloud-controller-manager` in this repo. 

type PodGCControllerConfiguration struct {
	// terminatedPodGCThreshold is the number of terminated pods that can exist
	// before the terminated pod garbage collector starts deleting terminated pods.
	// If <= 0, the terminated pod garbage collector is disabled.
	TerminatedPodGCThreshold int32

     * Changes include renaming, creating, or deleting a file.
     */
    public static final int FILE_NOTIFY_CHANGE_FILE_NAME = 0x00000001;

    /**
     * Any directory-name change in the watched directory or subtree causes a change notification wait operation to
     * return. Changes include creating or deleting a directory.
     */
    public static final int FILE_NOTIFY_CHANGE_DIR_NAME = 0x00000002;

class GTEST_API_ String {
 public:
  // Static utility methods

  // Clones a 0-terminated C string, allocating memory using new.  The
  // caller is responsible for deleting the return value using
  // delete[].  Returns the cloned string, or NULL if the input is
  // NULL.
  //
  // This is different from strdup() in string.h, which allocates
  // memory using malloc().

			}
		}
	}

	klog.V(4).InfoS("Deleting conntrack stale entries for services", "IPs", conntrackCleanupServiceIPs.UnsortedList())
	for _, svcIP := range conntrackCleanupServiceIPs.UnsortedList() {
		if err := ct.ClearEntriesForIP(svcIP, v1.ProtocolUDP); err != nil {
			klog.ErrorS(err, "Failed to delete stale service connections", "IP", svcIP)
		}
	}

class GTEST_API_ String {
 public:
  // Static utility methods

  // Clones a 0-terminated C string, allocating memory using new.  The
  // caller is responsible for deleting the return value using
  // delete[].  Returns the cloned string, or NULL if the input is
  // NULL.
  //
  // This is different from strdup() in string.h, which allocates
  // memory using malloc().

                markDirForDeletion(file);
                break;
            case RegularFile:
                if (fileSafeToDelete.test(file)) {
                    if (file.exists()) {
                        LOGGER.debug("Deleting stale output file '{}'.", file);
                        deleter.delete(file);
                        didWork = true;
                    }
                    markParentDirForDeletion(file);
                }

		return
	}
	for _, lease := range leases {
		// evaluate lease from cache
		if !isLeaseExpired(lease) {
			continue
		}
		// double check latest lease from apiserver before deleting
		lease, err := c.kubeclientset.CoordinationV1().Leases(c.leaseNamespace).Get(context.TODO(), lease.Name, metav1.GetOptions{})
		if err != nil && !errors.IsNotFound(err) {
			klog.ErrorS(err, "Error getting lease")

	// So, deleting that pod couldn't make `pod` schedulable.
	nodeInfo := framework.NodeInfo{UsedPorts: usedPorts}
	if Fits(pod, &nodeInfo) {
		logger.V(4).Info("the deleted pod and the target pod don't have any common port(s), returning QueueSkip as deleting this Pod won't make the Pod schedulable", "pod", klog.KObj(pod), "deletedPod", klog.KObj(deletedPod))