}

// port-forward to Istio System Zipkin; open browser
func zipkinDashCmd(ctx cli.Context) *cobra.Command {
	var opts clioptions.ControlPlaneOptions
	cmd := &cobra.Command{
		Use:   "zipkin",
		Short: "Open Zipkin web UI",
		Long:  `Open Istio's Zipkin dashboard`,
		Example: `  istioctl dashboard zipkin

  # with short syntax
  istioctl dash zipkin
  istioctl d zipkin`,

}

func checkTracing(cli kube.CLIClient, messages *diag.Messages) error {
	// In 1.22, we remove the default tracing config which points to zipkin.istio-system
	// This has no effect for users, unless they have this service.
	svc, err := cli.Kube().CoreV1().Services("istio-system").Get(context.Background(), "zipkin", metav1.GetOptions{})
	if err != nil && !kerrors.IsNotFound(err) {
		return err
	}
	if err != nil {
		// not found

   * consumer is <i>not</i> defined.
   *
   * <p>Note that many usages of this method can be replaced with simpler calls to {@link #zip}.
   * This method behaves equivalently to {@linkplain #zip zipping} the stream elements into
   * temporary pair objects and then using {@link Stream#forEach} on that stream.
   *
   * @since NEXT (but since 22.0 in the JRE flavor)
   */
  @Beta

   * consumer is <i>not</i> defined.
   *
   * <p>Note that many usages of this method can be replaced with simpler calls to {@link #zip}.
   * This method behaves equivalently to {@linkplain #zip zipping} the stream elements into
   * temporary pair objects and then using {@link Stream#forEach} on that stream.
   *
   * @since 22.0 (but only since 33.4.0 in the Android flavor)
   */
  @Beta