func AnnotateEnrolledPod(client kubernetes.Interface, pod *metav1.ObjectMeta) error {
	_, err := client.CoreV1().
		Pods(pod.Namespace).
		Patch(
			context.Background(),
			pod.Name,
			types.MergePatchType,
			annotationPatch,
			metav1.PatchOptions{},
			// Both "pods" and "pods/status" can mutate the metadata. However, pods/status is lower privilege, so we use that instead.
			"status",
		)
	return err
}

	podList, err := client.Pods(namespace).List(context.TODO(), options)
	if err != nil {
		return nil, err
	}
	pods := make([]*corev1.Pod, 0, len(podList.Items))
	for i := range podList.Items {
		pod := podList.Items[i]
		pods = append(pods, &pod)
	}
	if len(pods) > 0 {
		sort.Sort(sortBy(pods))
		return pods[0], nil
	}
	return nil, fmt.Errorf("no pods matching selector %q found in namespace %q", selector, namespace)

    resourceQuotas:
      enabled: false
      pods: 5000

    # The number of pods that can be unavailable during rolling update (see
    # `updateStrategy.rollingUpdate.maxUnavailable` here:
    # https://kubernetes.io/docs/reference/kubernetes-api/workload-resources/daemon-set-v1/#DaemonSetSpec).
    # May be specified as a number of pods or as a percent of the total number
    # of pods at the start of the update.
    rollingMaxUnavailable: 1

      operator: NotIn
      values:
      - "false"
  reinvocationPolicy: Never
  rules:
  - apiGroups:
    - ""
    apiVersions:
    - v1
    operations:
    - CREATE
    resources:
    - pods
    scope: '*'
  sideEffects: None
  timeoutSeconds: 10
- admissionReviewVersions:
  - v1beta1
  - v1
  clientConfig:
    service:
      name: istiod-test-dev2
      namespace: istio-system

  resources:
  - leases
  verbs:
  - get
  - create
  - update
- apiGroups:
  - ""
  resources:
  - configmaps
  - endpoints
  - events
  - namespaces
  - pods
  - pods/proxy
  - pods/portforward
  - persistentvolumeclaims
  - secrets
  - services
  - serviceaccounts
  - resourcequotas
  verbs:
  - '*'

)

const (
	// Service account to create tokens in
	tokenServiceAccount = "default"
	// Get the pods with limit = 500.
	kubeClientGetPodLimit = 500
)

type ControlPlaneNotFoundError struct {
	Namespace string
}

func (c ControlPlaneNotFoundError) Error() string {
	return fmt.Sprintf("no running Istio pods in %q", c.Namespace)
}

var _ error = ControlPlaneNotFoundError{}

type Options struct {

	configClient istioclient.Interface,
	client kube.CLIClient,
) error {
	pods, err := kubeClient.CoreV1().Pods("").List(context.TODO(), metav1.ListOptions{
		LabelSelector: "istio=ingressgateway",
		FieldSelector: "status.phase=Running",
	})
	if err != nil {
		return multierror.Prefix(err, "Could not find ingress gateway pods")
	}
	if len(pods.Items) == 0 {

			args:           strings.Split("clusters invalid", " "),
			expectedString: "unable to retrieve Pod: pods \"invalid\" not found",
			wantException:  true, // "istioctl proxy-config clusters invalid" should fail
		},
		{ // listeners invalid
			args:           strings.Split("listeners invalid", " "),
			expectedString: "unable to retrieve Pod: pods \"invalid\" not found",
			wantException:  true, // "istioctl proxy-config listeners invalid" should fail

    # Default node tolerations to be applied to all deployments so that all pods can be
    # scheduled to a particular nodes with matching taints. Each component can overwrite
    # these default values by adding its tolerations block in the relevant section below
    # and setting the desired values.
    # Configure this field in case that all pods of Istio control plane are expected to

    # Default node tolerations to be applied to all deployments so that all pods can be
    # scheduled to a particular nodes with matching taints. Each component can overwrite
    # these default values by adding its tolerations block in the relevant section below
    # and setting the desired values.
    # Configure this field in case that all pods of Istio control plane are expected to