- the actual code is in pkg/install - including a readiness probe, monitoring.
    - it also sets up a UDS socket for istio-cni to send logs to this container.
    - based on config, it may run the 'repair' controller that detects pods where istio setup fails and restarts them, or created in corner cases.

		return fmt.Errorf("errors occurred during operation")
	}

	// Previously we may install IOP file from the old version of istioctl. Now since we won't install IOP file
	// anymore, and it didn't provide much value, we can delete it if it exists.
	reconciler.DeleteIOPInClusterIfExists(iop)

	opts.ProgressLog.SetState(progress.StateComplete)

	return nil
}

func savedIOPName(iop *v1alpha12.IstioOperator) string {

	openNetns := s.currentPodSnapshot.Get(string(pod.UID))
	if openNetns != nil {
		return openNetns, nil
	}
	log.Debug("pod netns was not found, trying to find it using procfs")
	// this can happen if the pod was dynamically added to the mesh after it was created.
	// in that case, try finding the netns using procfs.
	if err := s.rescanPod(pod); err != nil {
		log.Errorf("error scanning proc: error was %s", err)

		ns := ctx.NamespaceOrDefault(ctx.Namespace())
		if ctx.Namespace() == "" && !forApply {
			ns = ""
		}
		// If a user sets the waypoint name to an empty string, set it to the default namespace waypoint name.
		if waypointName == "" {
			waypointName = constants.DefaultNamespaceWaypoint
		} else if waypointName == "none" {

# Version can be defined:
# (1) in a $VERSION shell variable, which takes precedence; or
# (2) in the VERSION file, in which we will append "-dev" to it
ifeq ($(VERSION),)
VERSION_FROM_FILE := $(shell cat VERSION)
ifeq ($(VERSION_FROM_FILE),)
$(error VERSION not detected. Make sure it's stored in the VERSION file or defined in VERSION variable)
endif
VERSION := $(VERSION_FROM_FILE)-dev
endif

export VERSION

	// a local node socket". If the latter, outside the pod in the host netns, redirect that traffic to a hardcoded/custom proxy
	// healthcheck port, just like we used to. Otherwise, we can't assume it's local-node privileged traffic, and will capture and process it normally.
	//
	// All this is necessary because quite often apps use the same port for healthchecks as they do for reg. traffic, and
	// we cannot make assumptions there.

	assert.NoError(t, err)
	fakeIPSetDeps.AssertExpectations(t)
}

// for tests that call `runtime.GC()` - we have no control over when the GC is actually scheduled,
// and it is flake-prone to check for closure after calling it, this retries for a bit to make
// sure the netns is closed eventually.
func assertNSClosed(t *testing.T, closed *atomic.Bool) {
	for i := 0; i < 5; i++ {
		if closed.Load() {
			return
		}

	testDoAddRun(t, cniConf, excludedNS, pod, ns)

	wasCalled := serverClose()
	// If the pod is being added to a namespace that is explicitly excluded by plugin config denylist
	// it should never be added, even if the namespace has the annotation
	assert.Equal(t, wasCalled, false)
}

func TestCmdAdd(t *testing.T) {
	pod, ns := buildFakePodAndNSForClient()

			return nil
		}
	}

	if !pi.Containers.Contains(ISTIOPROXY) {
		log.Infof("excluded because it does not have istio-proxy container (have %v)", sets.SortedList(pi.Containers))
		return nil
	}

	if pi.ProxyType != "" && pi.ProxyType != "sidecar" {
		log.Infof("excluded %s/%s pod because it has proxy type %s", podNamespace, podName, pi.ProxyType)
		return nil
	}

	val := pi.Annotations[injectAnnotationKey]

  istioctl x ztunnel-config workload <ztunnel-name[.namespace]> --address 0.0.0.0 -o json

  # Retrieve Ztunnel config dump separately and inspect from file.
  kubectl exec -it $ZTUNNEL -n istio-system -- curl localhost:15000/config_dump > ztunnel-config.json
  istioctl x ztunnel-config workloads --file ztunnel-config.json

  # Retrieve workload summary for a specific namespace