}
	c.clusters = &cd
	return nil
}

func retrieveEndpointAddress(host *admin.HostStatus) string {
	addr := host.Address.GetSocketAddress()
	if addr != nil {
		return addr.Address
	}
	if pipe := host.Address.GetPipe(); pipe != nil {
		return "unix://" + pipe.Path
	}
	if internal := host.Address.GetEnvoyInternalAddress(); internal != nil {
		switch an := internal.GetAddressNameSpecifier().(type) {

func isHostIP(ipAddress string) bool {
	host, _, err := net.SplitHostPort(ipAddress)
	if err != nil {
		host = ipAddress
	}
	// Strip off IPv6 zone information.
	if i := strings.Index(host, "%"); i > -1 {
		host = host[:i]
	}
	return net.ParseIP(host) != nil
}

// extractHostPort - extracts host/port from many address formats

type ListenerFilter struct {
	Address string
	Port    uint32
	Type    string
	Verbose bool
}

// Verify returns true if the passed listener matches the filter fields
func (l *ListenerFilter) Verify(listener *listener.Listener) bool {
	if l.Address == "" && l.Port == 0 && l.Type == "" {
		return true
	}
	if l.Address != "" {
		addresses := retrieveListenerAdditionalAddresses(listener)

	GCPProject string

	// Istiod address. For MCP may be different than Xds.
	IstiodAddr string
}

// AttachControlPlaneFlags attaches control-plane flags to a Cobra command.
// (Currently just --endpoint)
func (o *CentralControlPlaneOptions) AttachControlPlaneFlags(cmd *cobra.Command) {
	cmd.PersistentFlags().StringVar(&o.Xds, "xds-address", viper.GetString("XDS-ADDRESS"),
		"XDS Endpoint")

type WorkloadFilter struct {
	Address   string
	Node      string
	Verbose   bool
	Namespace string
}

// Verify returns true if the passed workload matches the filter fields
func (wf *WorkloadFilter) Verify(workload *ZtunnelWorkload) bool {
	if wf.Address == "" && wf.Node == "" && wf.Namespace == "" {
		return true
	}

	if wf.Namespace != "" {

)

func TestNatsConnTLSCustomCA(t *testing.T) {
	s, opts := natsserver.RunServerWithConfig(filepath.Join("testdata", "contrib", "nats_tls.conf"))
	defer s.Shutdown()

	clientConfig := &NATSArgs{
		Enable: true,
		Address: xnet.Host{
			Name:      "localhost",
			Port:      (xnet.Port(opts.Port)),
			IsPortSet: true,
		},
		Subject:       "test",
		Secure:        true,

		if err != nil {
			return nil, err
		}
		err = fw.Start()
		if err != nil {
			return nil, err
		}
		defer fw.Close()
		xdsOpts.Xds = fw.Address()
		response, err := GetXdsResponse(dr, istioNamespace, tokenServiceAccount, xdsOpts, dialOpts)
		if err != nil {
			return nil, fmt.Errorf("could not get XDS from discovery pod %q: %v", pod.Name, err)
		}

func (listener *httpListener) Addr() (addr net.Addr) {
	addr = listener.listeners[0].Addr()
	if len(listener.listeners) == 1 {
		return addr
	}

	tcpAddr := addr.(*net.TCPAddr)
	if ip := net.ParseIP("0.0.0.0"); ip != nil {
		tcpAddr.IP = ip
	}

	addr = tcpAddr
	return addr
}

// Addrs - returns all address information of TCP listeners.

  # Retrieve syncz debug information directly from the control plane, using token security
  # (This is the usual way to get the debug information with an out-of-cluster control plane.)
  istioctl x internal-debug syncz --xds-address istio.cloudprovider.example.com:15012

  # 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.)

  # SECURITY OPTIONS

  # Retrieve proxy status information directly from the control plane, using token security
  # (This is the usual way to get the proxy-status with an out-of-cluster control plane.)
  istioctl ps --xds-address istio.cloudprovider.example.com:15012

  # Retrieve proxy status information via Kubernetes config, using token security
  # (This is the usual way to get the proxy-status with an in-cluster control plane.)