// This rules out two possible methods:
// * use crictl to inspect the pod; this returns the bind-mounted network namespace file.
// * /var/lib/cni/results shows the outputs of CNI plugins; this containers the bind-mounted network namespace file.
//
// Instead, we traverse the procfs. Comments on this method are inline.
func getPodNetNs(pod *corev1.Pod) (string, error) {

	mt.Assert(EventTotals.Name(), map[string]string{"type": "update"}, monitortest.AtLeast(4))

	waitForMockCalls()

	assertPodNotAnnotated(t, client, pod)

	// patch a test label to emulate a POD update event
	_, err = client.Kube().CoreV1().Pods(pod.Namespace).Patch(ctx, pod.Name,
		types.MergePatchType, []byte(`{"metadata":{"labels":{"test":"update"}}}`), metav1.PatchOptions{})

	}
	pod := &corev1.Pod{ObjectMeta: podMeta}

	fixture.ipsetDeps.On("listEntriesByIP",
		"foo-v4",
	).Return([]netip.Addr{}, nil)

	err := netServer.ConstructInitialSnapshot([]*corev1.Pod{pod})
	assert.NoError(t, err)
	if fixture.podNsMap.Get("863b91d4-4b68-4efa-917f-4b560e3e86aa") == nil {
		t.Fatal("expected pod to be in cache")
	}
}

	PodDeleted(ctx context.Context, uid string) error
	PodAdded(ctx context.Context, pod *v1.Pod, netns Netns) error
	Close() error
}

/*
To clean up stale ztunnels

	we may need to ztunnel to send its (uid, bootid / boot time) to us
	so that we can remove stale entries when the ztunnel pod is deleted
	or when the ztunnel pod is restarted in the same pod (remove old entries when the same uid connects again, but with different boot id?)

  istioctl dashboard proxy productpage-123-456.default

  # Open envoy admin dashboard for one pod under a deployment
  istioctl dashboard proxy deployment/productpage-v1

  # Open dashboard for the ztunnel-bwh89.istio-system pod
  istioctl dashboard proxy ztunnel-bwh89.istio-system

  # Open dashboard for a waypoint pod

				return nil, fmt.Errorf("unexpected request")
			}
		}),
	}
	getFirstPodFunc = func(client corev1client.PodsGetter, namespace string, selector string, timeout time.Duration, sortBy func([]*corev1.Pod) sort.Interface) (
		*corev1.Pod, int, error,
	) {
		return attachPod(namespace), 1, nil
	}
	for _, tt := range tests {
		t.Run(strings.Split(tt.name, ".")[0], func(t *testing.T) {

	isZtunnel := strings.HasPrefix(podName, "ztunnel")
	if client == nil {
		return isZtunnel
	}
	pod, err := client.Kube().CoreV1().Pods(podNamespace).Get(context.Background(), podName, metav1.GetOptions{})
	if err != nil {
		return isZtunnel
	}
	if v, ok := pod.Labels["app"]; ok {
		return v == "ztunnel"
	}
	return isZtunnel
}

	// redetect for each pod anyway.
	//
	// Extreme corner case:
	// If for some reason your host had both binaries, and you were injecting out-of-band
	// iptables rules within a pod context into `legacy` tables, but your host context preferred
	// `nft`, we would still inject our rules in-pod into nft tables, which is a bit wonky.
	//

		"XDS Endpoint certificate directory")
	cmd.PersistentFlags().StringVar(&o.XdsPodLabel, "xds-label", "",
		"Istiod pod label selector")
	cmd.PersistentFlags().IntVar(&o.XdsPodPort, "xds-port", viper.GetInt("XDS-PORT"),
		"Istiod pod port")
	cmd.PersistentFlags().DurationVar(&o.Timeout, "timeout", time.Second*30,
		"The duration to wait before failing")

)

func Test_analyzeRunningWebhooks(t *testing.T) {
	cases := []struct {
		name             string
		pod              *corev1.Pod
		ns               *corev1.Namespace
		expectedMessages []webhookAnalysis
	}{
		{
			name: "no inj because of no match labels",
			pod:  podTestObject("test1", "test1", "", ""),
			ns:   nsTestObject("test1", "", ""),
			expectedMessages: []webhookAnalysis{
				{