istioctl x internal-debug syncz --xds-address istio.example.com:15012 --cert-dir ~/.istio-certs

  # Retrieve syncz information via XDS from specific control plane in multi-control plane in-cluster configuration
  # (Select a specific control plane in an in-cluster canary Istio configuration.)
  istioctl x internal-debug syncz --xds-label istio.io/rev=default
`,
		RunE: func(c *cobra.Command, args []string) error {

// Copyright Istio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,

		Short: "Retrieves the synchronization status of each Envoy in the mesh",
		Long: `
Retrieves last sent and last acknowledged xDS sync from Istiod to each Envoy in the mesh
`,
		Example: `  # Retrieve sync status for all Envoys in a mesh
  istioctl proxy-status

  # Retrieve sync status for Envoys in a specific namespace
  istioctl proxy-status --namespace foo

	// selectResources constrains the list of resources to compare to only the ones in this list, ignoring all others.
	// The format of each list item is :: and the items are comma separated. The * character represents wildcard selection.
	// e.g.
	// Deployment:istio-system:* - compare all deployments in istio-system namespace
	// Service:*:istio-pilot - compare Services called "istio-pilot" in all namespaces.
	selectResources string

// Copyright Istio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,

		}
	}

	// Sort by name, node
	sort.Slice(verifiedWorkloads, func(i, j int) bool {
		in := verifiedWorkloads[i].Namespace + "." + verifiedWorkloads[i].Name
		jn := verifiedWorkloads[j].Namespace + "." + verifiedWorkloads[j].Name
		if in != jn {
			return in < jn
		}
		iNode := verifiedWorkloads[i].Node
		jNode := verifiedWorkloads[j].Node
		return iNode < jNode
	})

	// 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.

	// CRDs are not in the prune list, but must be considered for tests.
	allClusterGVKs = helmreconciler.ClusterResources
)

func init() {
	if kubeBuilderInstalled() {
		// TestMode is required to not wait in the go client for resources that will never be created in the test server.
		helmreconciler.TestMode = true
		// Add install and controller to the list of commands to run tests against.

// Copyright Istio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,

				if err != nil {
					fmt.Fprintf(os.Stderr, "Skip the agent in Pod %s due to the error: %s\n", namespacedName, err.Error())
					continue
				}
				responses = append(responses, resp)
			}
			token = list.ListMeta.GetContinue()
			if token == "" {
				break
			}
		}
	} else {
		// If there is a specific pod name in ResourceName, use the agent in the pod.
		if len(dr.ResourceNames) != 1 {