import (
	"bytes"

	"google.golang.org/protobuf/proto"

	"istio.io/istio/pkg/util/protomarshal"
)

// MessageSlice allows us to marshal slices of protobuf messages like clusters/listeners/routes/endpoints correctly
type MessageSlice []proto.Message

// MarshalJSON handles marshaling of slices of proto messages
func (pSlice MessageSlice) MarshalJSON() ([]byte, error) {
	buffer := bytes.NewBufferString("[")

	}

	retval.SetHelpFunc(func(c *cobra.Command, args []string) {
		c.Printf("The following options can be passed to any command:\n")
		// (Currently the only global options we show are help options)
		rootCmd.PersistentFlags().VisitAll(func(flag *pflag.Flag) {
			if _, ok := helpFlags[flag.Name]; ok {
				// Currently every flag.Shorthand is "", so there is no point in showing shorthands
				shorthand := "   "
				if flag.Shorthand != "" {

	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")

		// this will allow for gateway class to provide a default for that class rather than always forcing service or requiring users to configure correctly
		if trafficType != "" {
			if !validTrafficTypes.Contains(trafficType) {
				return nil, fmt.Errorf("invalid traffic type: %s. Valid options are: %s", trafficType, validTrafficTypes.String())
			}

	configs := make([]*xdsstatus.ClientConfig_GenericXdsConfig, 0)
	if clientConfig.GetGenericXdsConfigs() != nil {
		configs = clientConfig.GetGenericXdsConfigs()
		return configs
	}

	// FIXME: currently removing the deprecated code below may result in functions not working
	// if there is a mismatch of versions between istiod and istioctl
	// nolint: staticcheck
	for _, config := range clientConfig.GetXdsConfig() {

func edsConfigCmd(ctx cli.Context) *cobra.Command {
	var podName, podNamespace string

	endpointConfigCmd := &cobra.Command{
		Use: "eds [<type>/]<name>[.<namespace>]",
		// Currently, we have an "endpoints" and "eds" command. While for simple use cases these are nearly identical, they give
		// pretty different outputs for the full JSON output. This makes it a useful command for developers, but may be overwhelming

		}
		if tag != tc.tagName {
			t.Errorf("expected tag webhook to have istio.io/tag=%s, found %s instead", tc.tagName, tag)
		}

		// ensure all webhooks have the correct client config
		for _, webhook := range wh.Webhooks {
			injectionWhConf := webhook.ClientConfig
			if tc.whSVC != "" {
				if injectionWhConf.Service == nil {

		isReady:            isReady,
	}
}

func (in *Installer) installAll(ctx context.Context) (sets.String, error) {
	// Install binaries
	// Currently we _always_ do this, since the binaries do not live in a shared location
	// and we harm no one by doing so.
	copiedFiles, err := copyBinaries(in.cfg.CNIBinSourceDir, in.cfg.CNIBinTargetDirs)
	if err != nil {

		// Neither namespace nor pod has ambient mode enabled
		return false
	}
	if podHasSidecar(pod) {
		// Ztunnel and sidecar for a single pod is currently not supported; opt out.
		return false
	}
	if pod.GetLabels()[constants.DataplaneModeLabel] == constants.DataplaneModeNone {
		// Pod explicitly asked to not have ambient redirection enabled
		return false
	}

// superset of type `list:set` - we can then query the superset directly in iptables (with the same rule),
// and iptables will be smart enough to pick the correct underlying set (v4 or v6, based on context),
// reducing the # of rules we need.
//
// BUT netlink lib doesn't support adding things to `list:set` types yet, and current tagged release