log.Warnf("failed to read proc %v stats: %v", p.PID, err)
			if best == "" {
				best = ns
			}
			continue
		}
		// Get the oldest one.
		if s.Starttime < oldest {
			oldest = s.Starttime
			best = ns
		}
	}
	if best == "" {
		return "", fmt.Errorf("failed to find network namespace")
	}
	return best, nil

  istioctl experimental check-inject details-v1-fcff6c49c-kqnfk.test
	
  # Check the injection status of a pod under a deployment
  istioctl x check-inject deployment/details-v1

  # Check the injection status of a pod under a deployment in namespace test
  istioctl x check-inject deployment/details-v1 -n test

  # Check the injection status of label pairs in a specific namespace before actual injection 

package nodeagent

import (
	"context"
	"errors"
	"fmt"
	"net/netip"
	"os"
	"path/filepath"
	"sync/atomic"

	corev1 "k8s.io/api/core/v1"
	"k8s.io/client-go/kubernetes"
	"k8s.io/client-go/rest"

	pconstants "istio.io/istio/cni/pkg/constants"
	"istio.io/istio/cni/pkg/ipset"
	"istio.io/istio/cni/pkg/iptables"
	"istio.io/istio/cni/pkg/util"
	"istio.io/istio/pkg/kube"
)

type MeshDataplane interface {

	"istio.io/istio/pkg/log"
	"istio.io/istio/tools/istio-iptables/pkg/cmd"
	"istio.io/istio/tools/istio-iptables/pkg/config"
	"istio.io/istio/tools/istio-iptables/pkg/dependencies"
)

// getNs is a unit test override variable for interface create.
var getNs = ns.GetNS

// Program defines a method which programs iptables based on the parameters
// provided in Redirect.

package clioptions

import (
	"fmt"
	"time"

	"github.com/spf13/cobra"
	"github.com/spf13/viper"
)

// CentralControlPlaneOptions holds options common to all subcommands
// that invoke Istiod via xDS REST endpoint
type CentralControlPlaneOptions struct {
	// Xds is XDS endpoint, e.g. localhost:15010.
	Xds string

	// XdsPodLabel is a Kubernetes label on the Istiod pods
	XdsPodLabel string

	}

	kubeClients = MockKubernetesClients

	for _, test := range tests {
		t.Run("", func(t *testing.T) {
			args := []string{"operator", "init", "--dry-run"}
			if test.operatorNamespace != "" {
				args = append(args, "--operatorNamespace", test.operatorNamespace)
			}
			if test.watchedNamespaces != "" {
				args = append(args, "--watchedNamespaces", test.watchedNamespaces)
			}

	"istio.io/istio/pkg/monitoring/monitortest"
	"istio.io/istio/pkg/test/util/assert"
)

func TestExistingPodAddedWhenNsLabeled(t *testing.T) {
	setupLogging()
	NodeName = "testnode"
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	pod := &corev1.Pod{
		ObjectMeta: metav1.ObjectMeta{
			Name:      "test",
			Namespace: "test",
		},
		Spec: corev1.PodSpec{
			NodeName: NodeName,
		},

				Items: []admitv1.MutatingWebhookConfiguration{
					{
						ObjectMeta: metav1.ObjectMeta{
							Name:   "istio-revision-test",
							Labels: map[string]string{label.IoIstioRev.Name: "test"},
						},
					},
				},
			},
			namespaces:    corev1.NamespaceList{},
			outputMatches: []string{"test"},
			error:         "",
		},
		{
			name: "TestNamespacesIncluded",
			webhooks: admitv1.MutatingWebhookConfigurationList{

// limitations under the License.

package configdump

import (
	"bytes"
	"encoding/json"
	"os"
	"testing"

	"istio.io/istio/pilot/test/util"
	"istio.io/istio/pkg/test/util/assert"
)

func TestPrintEcdsSummary(t *testing.T) {
	gotOut := &bytes.Buffer{}
	cw := &ConfigWriter{Stdout: gotOut}
	cd, _ := os.ReadFile("testdata/ecds/configdump.json")
	cw.Prime(cd)

// limitations under the License.

package configdump

import (
	"bytes"
	"fmt"
	"os"
	"path"
	"testing"

	"istio.io/istio/pilot/test/util"
	"istio.io/istio/pkg/test/util/assert"
)

func TestPrintEndpointsSummary(t *testing.T) {
	tests := []struct {
		name   string
		filter EndpointFilter
	}{
		{
			name:   "emptyfilter",
			filter: EndpointFilter{},