by a different role than the prod version.

The intended users of this repo are users running Istio in production who want to select, tune
and understand each binary that gets deployed, and select which combination to use.

Note: each component can be installed in parallel with an existing Istio 1.0 or 1.1 installation in

	wg := &WaitGroup{
		done: make(chan struct{}),
	}

	wg.Add(n)
	return wg, func() {
		select {
		case <-wg.C():
			return
		case <-time.After(time.Second):
			t.Fatal("Wait group timed out!\n")
		}
	}
}

func (wg *WaitGroup) Add(i int32) {
	select {
	case <-wg.done:
		panic("use of an already closed WaitGroup")
	default:
	}
	atomic.AddInt32(&wg.count, i)
}

			args:           strings.Split("--revision canary", " "),
			expectedString: "NAME     CLUSTER     CDS     LDS     EDS     RDS     ECDS     ISTIOD",
			revision:       "canary",
		},
		{ // case 7: supplying type that doesn't select pods should fail
			args:          strings.Split("serviceaccount/sleep", " "),
			wantException: true,
		},
	}

	// init container termination message and exit code.
	SidecarAnnotation  string
	InitContainerName  string
	InitTerminationMsg string
	InitExitCode       int

	// Label and field selectors to select pods managed by race repair.
	LabelSelectors string
	FieldSelectors string
}

func (c InstallConfig) String() string {
	var b strings.Builder
	b.WriteString("CNINetDir: " + c.CNINetDir + "\n")

		false, "Compare directory.")
	cmd.PersistentFlags().BoolVarP(&diffArgs.verbose, "verbose", "v",
		false, "Verbose output.")
	cmd.PersistentFlags().StringVar(&diffArgs.selectResources, "select", "::",
		"Constrain the list of resources to compare to only the ones in this list, ignoring all others.\n"+

  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 {

  istioctl ps --xds-address istio.example.com:15012 --cert-dir ~/.istio-certs

  # Retrieve proxy status 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 ps --xds-label istio.io/rev=default
`,
		Aliases: []string{"ps"},
		RunE: func(c *cobra.Command, args []string) error {

  //     "kubernetes.io/kubelet-serving".
  //  3. Otherwise, it is assigned "kubernetes.io/legacy-unknown".
  // Distribution of trust for signers happens out of band.
  // You can select on this field using `spec.signerName`.
  // +optional
  optional string signerName = 7;

  // expirationSeconds is the requested duration of validity of the issued

  // Label query over pods whose evictions are managed by the disruption
  // budget.
  // A null selector will match no pods, while an empty ({}) selector will select
  // all pods within the namespace.
  // +patchStrategy=replace
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector selector = 2;

			args:           strings.Split("endpoint deployment/random-gibberish.bogus", " "),
			expectedString: `"deployment/random-gibberish" does not refer to a pod`,
			wantException:  true,
		},
		{ // supplying type that doesn't select pods should fail
			args:           strings.Split("listeners serviceaccount/sleep", " "),
			expectedString: `"serviceaccount/sleep" does not refer to a pod`,
			wantException:  true,
		},