// we actually may have them before K8S in the Pod object.
func (s *NetServer) AddPodToMesh(ctx context.Context, pod *corev1.Pod, podIPs []netip.Addr, netNs string) error {
	log.Infof("in pod mode - adding pod %s/%s to ztunnel ", pod.Namespace, pod.Name)
	// make sure the cache is aware of the pod, even if we don't have the netns yet.
	s.currentPodSnapshot.Ensure(string(pod.UID))

			},
			expectPodUID:      "",
			expectContainerID: "45490e76e0878aaa4d9808f7d2eefba37f093c3efbba9838b6d8ab804d9bd814",
		},
		{
			name: "more than one container ID in cgroups",
			cgroupPaths: []string{
				"/user.slice",
				"/kubepods/pod2c48913c-b29f-11e7-9350-020968147796/9bca8d63d5fa610783847915bcff0ecac1273e5b4bed3f6fa1b07350e0135961",

	return nil
}

// validateInterceptionMode validates the interceptionMode annotation
func validateInterceptionMode(mode string) error {
	switch mode {
	case redirectModeREDIRECT:
	case redirectModeTPROXY:
	default:
		return fmt.Errorf("interceptionMode invalid: %v", mode)
	}
	return nil
}

func validateCIDRList(cidrs string) error {
	if len(cidrs) > 0 {

	// We want the pause container, as the istio-validation one may exit before we are done.
	// We do this by detecting the longest running process. We could look at `cmdline`, but is likely more reliable to weird platforms.
	for _, p := range procs {
		ns := getPidNamespace(p.PID)
		fd, err := unix.Open(ns, unix.O_RDONLY, 0)
		if err != nil {

	if err != nil {
		return isZtunnel
	}
	if v, ok := pod.Labels["app"]; ok {
		return v == "ztunnel"
	}
	return isZtunnel
}

// InAmbient returns true if a resource is in ambient data plane mode.
func InAmbient(obj metav1.Object) bool {
	if obj == nil {
		return false
	}
	switch t := obj.(type) {
	case *corev1.Pod:
		return t.GetAnnotations()[constants.AmbientRedirection] == constants.AmbientRedirectionEnabled

				}

				if len(pl.Items) < 1 {
					return errors.New("no pods found")
				}

				if len(pl.Items) > 1 {
					log.Warnf("more than 1 pods fits selector: %s; will use pod: %s", labelSelector, pl.Items[0].Name)
				}

				// only use the first pod in the list
				podName = pl.Items[0].Name
				ns = pl.Items[0].Namespace
			} else {

			if err != nil {
				log.Debugf("ignoring error deleting optional iptables rule: %v", err)
			}
		}
	}
	return errors.Join(delErrs...)
}

// Setup iptables rules for in-pod mode. Ideally this should be an idempotent function.
// NOTE that this expects to be run from within the pod network namespace!
func (cfg *IptablesConfigurator) CreateInpodRules(hostProbeSNAT *netip.Addr) error {

	}
	tests := []struct {
		name string
		args args
		want bool
	}{
		{
			name: "ambient mode enabled for namespace",
			args: args{
				namespace: namespaceWithAmbientEnabledLabel,
				pod:       unlabelledPod,
			},
			want: true,
		},
		{
			name: "ambient mode enabled for pod",
			args: args{
				namespace: unlabelledNamespace,
				pod:       podWithAmbientEnabledLabel,
			},

		p.Println("Made this installation the default for cluster-wide operations.")
	}

	if iArgs.Verify {
		if rootArgs.DryRun {
			l.LogAndPrint("Control plane health check is not applicable in dry-run mode")
			return nil
		}
		l.LogAndPrint("\n\nVerifying installation:")
		installationVerifier, err := verifier.NewStatusVerifier(kubeClient, client, iop.Namespace, iArgs.ManifestsPath,

	allConfigCmd.PersistentFlags().StringVarP(&configDumpFile, "file", "f", "",
		"Envoy config dump file")
	allConfigCmd.PersistentFlags().BoolVar(&verboseProxyConfig, "verbose", true, "Output more information")

	// cluster
	allConfigCmd.PersistentFlags().StringVar(&fqdn, "fqdn", "", "Filter clusters by substring of Service FQDN field")