# Retrieve syncz debug information via Kubernetes config, using token security
  # (This is the usual way to get the debug information with an in-cluster control plane.)
  istioctl x internal-debug syncz

  # Retrieve syncz debug information directly from the control plane, using RSA certificate security

	wantException bool
}

func TestInternalDebug(t *testing.T) {
	cases := []execTestCase{
		{ // case 0, no args
			args:           []string{},
			noIstiod:       true,
			expectedOutput: "Error: debug type is required\n",
			wantException:  true,
		},
		{ // case 1, no istiod
			args:           []string{"adsz"},
			noIstiod:       true,
			expectedOutput: "Error: no running Istio pods in \"istio-system\"\n",

ARG BASE_DISTRIBUTION=debug

# Version is the base image version from the TLD Makefile
ARG BASE_VERSION=latest
ARG ISTIO_BASE_REGISTRY=gcr.io/istio-release

# The following section is used as base image if BASE_DISTRIBUTION=debug
FROM ${ISTIO_BASE_REGISTRY}/base:${BASE_VERSION} as debug

# The following section is used as base image if BASE_DISTRIBUTION=distroless

		hostsideProbeIPSet:   probeSet,
	}
}

func (s *NetServer) Start(ctx context.Context) {
	log.Debug("starting ztunnel server")
	go s.ztunnelServer.Run(ctx)
}

func (s *NetServer) Stop() {
	log.Debug("removing host iptables rules")
	s.iptablesConfigurator.DeleteHostRules()

	log.Debug("destroying host ipset")
	s.hostsideProbeIPSet.Flush()
	if err := s.hostsideProbeIPSet.DestroySet(); err != nil {

	loggingOptions := log.DefaultOptions()
	loggingOptions.WithTeeToUDS(udsSock, constants.UDSLogPath)
	assert.NoError(t, log.Configure(loggingOptions))
	log.FindScope("default").SetOutputLevel(log.DebugLevel)
	log.Debug("debug log")
	log.Info("info log")
	log.Warn("warn log")
	log.Error("error log")
	// This will error because stdout cannot sync, but the UDS part should sync

ISTIO_ENVOY_LINUX_DEBUG_URL="${ISTIO_ENVOY_LINUX_DEBUG_URL:-${ISTIO_ENVOY_DEBUG_URL}}"
ISTIO_ENVOY_LINUX_RELEASE_URL="${ISTIO_ENVOY_LINUX_RELEASE_URL:-${ISTIO_ENVOY_RELEASE_URL}}"
# Variables for the extracted debug/release Envoy artifacts.
ISTIO_ENVOY_LINUX_DEBUG_DIR="${ISTIO_ENVOY_LINUX_DEBUG_DIR:-${TARGET_OUT_LINUX}/debug}"
ISTIO_ENVOY_LINUX_DEBUG_NAME="${ISTIO_ENVOY_LINUX_DEBUG_NAME:-envoy-debug-${ISTIO_ENVOY_LINUX_VERSION}}"

ISTIO_ZTUNNEL_LINUX_RELEASE_DIR="${ISTIO_ZTUNNEL_LINUX_RELEASE_DIR:-${TARGET_OUT_LINUX}/release}"
ISTIO_ZTUNNEL_LINUX_DEBUG_DIR="${ISTIO_ZTUNNEL_LINUX_DEBUG_DIR:-${TARGET_OUT_LINUX}/debug}"
ISTIO_ZTUNNEL_LINUX_RELEASE_PATH="${ISTIO_ZTUNNEL_LINUX_RELEASE_PATH:-${ISTIO_ZTUNNEL_LINUX_RELEASE_DIR}/${ISTIO_ZTUNNEL_LINUX_RELEASE_NAME}}"

set_download_command
maybe_build_ztunnel

    "global.tracer.zipkin.address" "meshConfig.defaultConfig.tracing.zipkin.address"
    "global.tracer.stackdriver.debug" "meshConfig.defaultConfig.tracing.stackdriver.debug"
    "global.tracer.stackdriver.maxNumberOfAttributes" "meshConfig.defaultConfig.tracing.stackdriver.maxNumberOfAttributes"

		return &s, fmt.Errorf("cannot deserialize response: %s", err)
	}
	return &s, nil
}

var (
	istiodLabelSelector = ""
	istiodReset         = false
	validationPattern   = `^\w+:(debug|error|warn|info|debug)`
)

func istiodLogCmd(ctx cli.Context) *cobra.Command {
	var controlzPort int
	var opts clioptions.ControlPlaneOptions
	outputLogLevel := ""
	stackTraceLevel := ""

	for {
		log.Debug("accepting conn")
		conn, err := z.accept()
		if err != nil {
			if errors.Is(err, net.ErrClosed) {
				log.Debug("listener closed - returning")
				return
			}

			log.Errorf("failed to accept conn: %v", err)
			continue
		}
		log.Debug("connection accepted")
		go func() {
			log.Debug("handling conn")