# Istio Operator

The istio/operator repo is part of istio/istio from 1.5 onwards.
You can [contribute](../CONTRIBUTING.md) by picking an
[unassigned open issue](https://github.com/istio/istio/issues?q=is%3Aissue+is%3Aopen+label%3Aarea%2Fenvironments%2Foperator+no%3Aassignee),
creating a [bug or feature request](../BUGS-AND-FEATURE-REQUESTS.md),

		log.Errorf("failed to remove pod %s from host ipset, error was: %v", pod.Name, err)
		return err
	}

	log.Info("in pod mode - deleting pod from ztunnel")

	// pod is deleted, clean-up its open netns
	openNetns := s.currentPodSnapshot.Take(string(pod.UID))
	if openNetns == nil {
		log.Warn("failed to find pod netns")
	}

	if err := s.ztunnelServer.PodDeleted(ctx, string(pod.UID)); err != nil {

	warningsByFilename := map[string]validation.Warning{}

	processFile := func(path string) {
		var err error
		if path == "-" {
			reader = io.NopCloser(os.Stdin)
		} else {
			reader, err = os.Open(path)
			if err != nil {
				errs = multierror.Append(errs, fmt.Errorf("cannot read file %q: %v", path, err))
				return
			}
		}

            "type": "prometheus",
            "uid": "${datasource}"
          },
          "expr": "process_open_fds{app=\"istiod\"}",
          "format": "time_series",
          "hide": true,
          "instant": false,
          "interval": "",
          "intervalFactor": 2,
          "legendFormat": "Open FDs (pilot)",
          "refId": "A"
        },
        {
          "datasource": {

If there is no waypoint, ztunnel will enforce RBAC policies against the request.

If all checks pass, ztunnel will open a connection to the target. This will spoof the source IP (from `Forwarded` for waypoints, or the incoming IP otherwise).

			if err = validateFlags(); err != nil {
				return err
			}
			var reader io.Reader

			if inFilename == "-" {
				reader = os.Stdin
			} else {
				var in *os.File
				if in, err = os.Open(inFilename); err != nil {
					return err
				}
				reader = in
				defer func() {
					if errClose := in.Close(); errClose != nil {
						log.Errorf("Error: close file from %s, %s", inFilename, errClose)

		return nil, err
	}
	return setupConfigdumpEnvoyConfigWriter(debug, out)
}

func readFile(filename string) ([]byte, error) {
	file := os.Stdin
	if filename != "-" {
		var err error
		file, err = os.Open(filename)
		if err != nil {
			return nil, err
		}
	}
	defer func() {
		if err := file.Close(); err != nil {
			log.Errorf("failed to close %s: %s", filename, err)
		}
	}()

		CommandShort: "Open admin web UI for a proxy",
		CommandLong:  `Open the admin dashboard for a proxy, like envoy and ztunnel pods`,
		CommandExample: `  # Open envoy admin dashboard for the productpage-123-456.default pod
  istioctl dashboard proxy productpage-123-456.default

  # Open envoy admin dashboard for one pod under a deployment
  istioctl dashboard proxy deployment/productpage-v1

func unstructureIstioType(spec any) (map[string]any, error) {
	b, err := yaml.Marshal(spec)
	if err != nil {
		return nil, err
	}
	iSpec := map[string]any{}
	err = yaml.Unmarshal(b, &iSpec)
	if err != nil {
		return nil, err
	}
	return iSpec, nil
}

func convertToUnsignedInt32Map(s []string) map[string]uint32 {
	out := make(map[string]uint32, len(s))
	for _, l := range s {