switch {
			case strings.Contains(eString, "You must provide a proxyID in the query string"):
				return nil, fmt.Errorf(" You must provide a proxyID in the query string, e.g. [%s]",
					"edsz?proxyID=istio-ingressgateway")

			case strings.Contains(eString, "404 page not found"):
				return HandlerForRetrieveDebugList(kubeClient, *centralOpts, writer, istioNamespace)

	for _, config := range configs {
		cfgType := config.GetTypeUrl()
		switch cfgType {
		case xdsresource.ListenerType:
			lds = formatStatus(config)
		case xdsresource.ClusterType:
			cds = formatStatus(config)
		case xdsresource.RouteType:
			rds = formatStatus(config)
		case xdsresource.EndpointType:
			eds = formatStatus(config)
		case xdsresource.ExtensionConfigurationType:
			ecds = formatStatus(config)
		default:

  optional string requestSubResource = 15;

  // Name is the name of the object as presented in the request.  On a CREATE operation, the client may omit name and
  // rely on the server to generate the name.  If that is the case, this field will contain an empty string.
  // +optional
  optional string name = 5;

  // Namespace is the namespace associated with the request (if any).
  // +optional
  optional string namespace = 6;

			}
		} else if nsMatched {
			for _, me := range wh.ObjectSelector.MatchExpressions {
				switch me.Operator {
				case metav1.LabelSelectorOpDoesNotExist:
					v, ok := podLabels[me.Key]
					if ok {
						return fmt.Sprintf("Pod has %s=%s label, preventing injection", me.Key, v), false
					}
				case metav1.LabelSelectorOpNotIn:
					v, ok := podLabels[me.Key]
					if !ok {
						continue
					}

	}
	return iop.Spec.Profile, constants.IstioSystemNamespace, enabledComponents, nil
}

func humanReadableJoin(ss []string) string {
	switch len(ss) {
	case 0:
		return ""
	case 1:
		return ss[0]
	case 2:
		return ss[0] + " and " + ss[1]
	default:
		return strings.Join(ss[:len(ss)-1], ", ") + ", and " + ss[len(ss)-1]
	}
}

	ret := make(chan updateResponse, 1)
	req := updateRequest{
		Update: data,
		Fd:     fd,
		Resp:   ret,
	}
	select {
	case z.Updates <- req:
	case <-ctx.Done():
		return nil, ctx.Err()
	}

	select {
	case r := <-ret:
		return r.resp, r.err
	case <-ctx.Done():
		return nil, ctx.Err()
	}
}

	// this can happen if the pod was dynamically added to the mesh after it was created.
	// in that case, try finding the netns using procfs.
	if err := s.rescanPod(pod); err != nil {
		log.Errorf("error scanning proc: error was %s", err)
		return nil, err
	}
	// try again. we can still get here if the pod is in the process of being created.
	// in this case the CNI will be invoked soon and provide us with the netns.

		if err != nil {
			return nil, fmt.Errorf("could not get XDS from the agent pod %q: %v", pod.Name, err)
		}
		for _, resource := range response.GetResources() {
			switch resource.GetTypeUrl() {
			case "type.googleapis.com/envoy.service.status.v3.ClientConfig":
				clientConfig := xdsstatus.ClientConfig{}
				err := resource.UnmarshalTo(&clientConfig)
				if err != nil {
					return nil, err
				}

# Simulate the case where the default installation failed, and the user has to reinstall the components.
apiVersion: admissionregistration.k8s.io/v1
kind: MutatingWebhookConfiguration
metadata:
  labels:
    app: sidecar-injector
  name: w-istio-sidecar-injector-istio-system

webhooks:
- admissionReviewVersions:
  - v1beta1
  - v1
  clientConfig:
    service:
      name: istiod
      namespace: istio-system
      path: /inject

		if r := cmp.Compare(a.Revision, b.Revision); r != 0 {
			return r
		}
		return cmp.Compare(a.Tag, b.Tag)
	})

	switch outputFormat {
	case util.JSONFormat:
		return PrintJSON(writer, tags)
	case util.TableFormat:
	default:
		return fmt.Errorf("unknown format: %s", outputFormat)
	}
	w := new(tabwriter.Writer).Init(writer, 0, 8, 1, ' ', 0)