} else {
			for i, ca := range secret.CertChain {
				t := "Intermediate"
				if i == 0 {
					t = "Leaf"
				} else if i == len(secret.CertChain)-1 {
					t = "Root"
				}
				n := new(big.Int)
				n, _ = n.SetString(ca.SerialNumber, 10)
				fmt.Fprintf(w, "%v\t%v\t%v\t%v\t%x\t%v\t%v\n",
					secret.Identity, t, secret.State, certNotExpired(ca), n, valueOrNA(ca.ExpirationTime), valueOrNA(ca.ValidFrom))
			}

			Name:      "localhost",
			Port:      (xnet.Port(opts.Port)),
			IsPortSet: true,
		},
		Subject:       "test",
		Secure:        true,
		CertAuthority: path.Join("testdata", "contrib", "certs", "root_ca_cert.pem"),
	}

	con, err := clientConfig.connectNats()
	if err != nil {
		t.Errorf("Could not connect to nats: %v", err)
	}
	defer con.Close()
}

func TestNatsConnTLSClientAuthorization(t *testing.T) {

	"istio.io/istio/istioctl/pkg/cli"
	"istio.io/istio/pilot/test/util"
	"istio.io/istio/pkg/config/constants"
	"istio.io/istio/pkg/kube"
	"istio.io/istio/pkg/test/util/assert"
)

var fakeCACert = []byte("fake-CA-cert")

var (
	defaultYAML = `apiVersion: networking.istio.io/v1alpha3
kind: WorkloadGroup
metadata:
  name: foo
  namespace: bar
spec:
  metadata: {}
  template:
    serviceAccount: default
`

func (c *ConfigWriter) PrintVersionSummary() error {
	// TODO
	return nil
}

// PrintPodRootCAFromDynamicSecretDump prints just pod's root ca from dynamic secret config dump to the ConfigWriter stdout
func (c *ConfigWriter) PrintPodRootCAFromDynamicSecretDump() (string, error) {
	// TODO
	return "", nil
}

func (c *ConfigWriter) tabwriter() *tabwriter.Writer {

)

const (
	// defaultExpirationSeconds is how long-lived a token to request (an hour)
	defaultExpirationSeconds = 60 * 60
)

// Audience to create tokens for
var tokenAudiences = []string{"istio-ca"}

// GetXdsResponse opens a gRPC connection to opts.xds and waits for a single response
func GetXdsResponse(dr *discovery.DiscoveryRequest, ns string, serviceAccount string, opts clioptions.CentralControlPlaneOptions,

			if err != nil {
				return err
			}
			ca, token, err = tokenDataFromSecret(secret)
			return err
		},
		backoff.WithMaxRetries(backoff.NewConstantBackOff(tokenWaitBackoff), 5))
	return
}

func tokenDataFromSecret(tokenSecret *v1.Secret) (ca, token []byte, err error) {
	var ok bool
	ca, ok = tokenSecret.Data[v1.ServiceAccountRootCAKey]
	if !ok {
		err = errMissingRootCAKey

	"istio.io/istio/cni/pkg/config"
	"istio.io/istio/cni/pkg/constants"
	testutils "istio.io/istio/pilot/test/util"
)

const (
	k8sServiceHost = "10.96.0.1"
	k8sServicePort = "443"
	kubeCAFilepath = "testdata/kube-ca.crt"
	saToken        = "service_account_token_string"
)

func TestCreateValidKubeconfigFile(t *testing.T) {
	tmp := t.TempDir()
	os.WriteFile(filepath.Join(tmp, "token"), []byte(saToken), 0o644)

	}

	if cfg.SkipTLSVerify {
		// User explicitly opted into insecure.
		cluster.InsecureSkipTLSVerify = true
	} else {
		caFile := model.GetOrDefault(cfg.KubeCAFile, constants.ServiceAccountPath+"/ca.crt")
		caContents, err := os.ReadFile(caFile)
		if err != nil {
			return kubeconfig{}, err
		}
		cluster.CertificateAuthorityData = caContents
	}

		"ISTIO_SERVICE_CIDR":        "*",
		"ISTIO_LOCAL_EXCLUDE_PORTS": excludePorts,
		"SERVICE_ACCOUNT":           we.ServiceAccount,
	}

	if isRevisioned(revision) {
		overrides["CA_ADDR"] = IstiodAddr(istioNamespace, revision)
	}
	if len(internalIP) > 0 {
		overrides["ISTIO_SVC_IP"] = internalIP
	} else if len(externalIP) > 0 {
		overrides["ISTIO_SVC_IP"] = externalIP

	registerIntegerParameter(constants.KubeconfigMode, constants.DefaultKubeconfigMode, "File mode of the kubeconfig file")
	registerStringParameter(constants.KubeCAFile, "", "CA file for kubeconfig. Defaults to the same as install-cni pod")
	registerBooleanParameter(constants.SkipTLSVerify, false, "Whether to use insecure TLS in kubeconfig file")