func getNamespaces(ctx context.Context, client kube.CLIClient, istioNamespace string) ([]corev1.Namespace, error) {
	nsList, err := client.Kube().CoreV1().Namespaces().List(ctx, metav1.ListOptions{})
	if err != nil {
		return []corev1.Namespace{}, err
	}
	filtered := filterSystemNamespaces(nsList.Items, istioNamespace)
	filtered = slices.Filter(filtered, func(namespace corev1.Namespace) bool {
		return !ambient.InAmbient(&namespace)
	})

func PodRedirectionActive(pod *corev1.Pod) bool {
	return pod.GetAnnotations()[annotation.AmbientRedirection.Name] == constants.AmbientRedirectionEnabled
}

func podHasSidecar(pod *corev1.Pod) bool {
	if _, f := pod.GetAnnotations()[annotation.SidecarStatus.Name]; f {
		return true
	}
	return false
}

func IsZtunnelPod(systemNs string, pod *corev1.Pod) bool {

func InAmbient(obj metav1.Object) bool {
	if obj == nil {
		return false
	}
	switch t := obj.(type) {
	case *corev1.Pod:
		return t.GetAnnotations()[annotation.AmbientRedirection.Name] == constants.AmbientRedirectionEnabled
	case *corev1.Namespace:
		if t.GetLabels()["istio-injection"] == "enabled" {
			return false
		}
		if v, ok := t.GetLabels()[label.IoIstioRev.Name]; ok && v != "" {
			return false
		}

							{
								Name:       "http",
								Port:       80,
								TargetPort: intstr.FromInt32(80),
								Protocol:   corev1.ProtocolTCP,
							},
						},
					},
					Status: corev1.ServiceStatus{
						LoadBalancer: corev1.LoadBalancerStatus{Ingress: []corev1.LoadBalancerIngress{
							{
								IP: "2.2.2.2",
							},
						}},
					},
				},
				&corev1.Service{

func Test_extractRevisionFromPod(t *testing.T) {
	cases := []struct {
		name             string
		pod              *corev1.Pod
		expectedRevision string
	}{
		{
			name:             "no rev",
			pod:              &corev1.Pod{},
			expectedRevision: "",
		},
		{
			name: "has rev annotation",
			pod: &corev1.Pod{
				ObjectMeta: metav1.ObjectMeta{
					Annotations: map[string]string{

				},
			},
		},
		StartupProbe: &corev1.Probe{
			ProbeHandler: corev1.ProbeHandler{
				HTTPGet: &corev1.HTTPGetAction{
					Port: intstr.FromInt(7777),
				},
			},
		},
	}

	containers := []corev1.Container{app1}

	var podStatus corev1.PodStatus
	if v6IP {
		podStatus = corev1.PodStatus{
			PodIP:  "e9ac:1e77:90ca:399f:4d6d:ece2:2f9b:3164",

		Spec: corev1.PodSpec{
			NodeName: "derp",
		},
		Status: corev1.PodStatus{
			PodIP: "11.1.1.12",
		},
	}

	podIPs := GetPodIPsIfPresent(pod)
	assert.Equal(t, len(podIPs), 1)
}

func TestGetPodIPsIfPodIPPresent(t *testing.T) {
	pod := &corev1.Pod{
		ObjectMeta: metav1.ObjectMeta{
			Name:      "test",
			Namespace: "test",
		},
		Spec: corev1.PodSpec{
			NodeName: "derp",
		},
		Status: corev1.PodStatus{

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()
	pod := &corev1.Pod{
		ObjectMeta: metav1.ObjectMeta{
			Name:      "pod-bingo",
			Namespace: "funkyns",
		},
		Spec: corev1.PodSpec{
			NodeName: NodeName,
		},
		Status: corev1.PodStatus{
			PodIP: fakePodIP,
		},
	}
	ns := &corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "funkyns"}}

	client := kube.NewFakeClient(ns, pod)

	if err != nil {
		t.Fatalf("failed with error: %v", err)
	}
}

func buildFakeDryRunPod() *corev1.Pod {
	app := corev1.Container{Name: "test"}
	proxy := corev1.Container{Name: "istio-proxy"}
	validate := corev1.Container{Name: "istio-validate"}
	fakePod := &corev1.Pod{
		TypeMeta: metav1.TypeMeta{
			APIVersion: "core/v1",
			Kind:       "Pod",
		},
		ObjectMeta: metav1.ObjectMeta{
			Name:        testPodName,

		UID:             &pod.UID,
		ResourceVersion: &pod.ResourceVersion,
	}
	err := c.client.Kube().CoreV1().Pods(pod.Namespace).Delete(context.Background(), pod.Name, metav1.DeleteOptions{
		Preconditions: preconditions,
	})
	if err != nil {
		c.events.Write(pod, corev1.EventTypeWarning, ReasonDeleteBrokenPod, "pod detected as broken, but failed to delete: %v", err)
		m.With(resultLabel.Value(resultFail)).Increment()