}

			if err != nil {
				return fmt.Errorf("failed to create k8s client: %v", err)
			}

			var podName, ns string
			if labelSelector != "" {
				pl, err := kubeClient.PodsForSelector(context.TODO(), ctx.NamespaceOrDefault(ctx.Namespace()), labelSelector)
				if err != nil {
					return fmt.Errorf("not able to locate pod with selector %s: %v", labelSelector, err)
				}

				if len(pl.Items) < 1 {

	client, err := ctx.CLIClientWithRevision(metricsOpts.Revision)
	if err != nil {
		return fmt.Errorf("failed to create k8s client: %v", err)
	}

	pl, err := client.PodsForSelector(context.TODO(), ctx.IstioNamespace(), "app.kubernetes.io/name=prometheus")
	if err != nil {
		return fmt.Errorf("not able to locate Prometheus pod: %v", err)
	}

	if len(pl.Items) < 1 {

				} else {
					istiodLabelSelector = fmt.Sprintf("%s=%s", label.IoIstioRev.Name, opts.Revision)
				}
				pl, err := client.PodsForSelector(context.TODO(), ctx.NamespaceOrDefault(ctx.IstioNamespace()), istiodLabelSelector)
				if err != nil {
					return fmt.Errorf("not able to locate pod with selector %s: %v", istiodLabelSelector, err)
				}

}

func getPodNameBySelector(ctx cli.Context, kubeClient kube.CLIClient, labelSelector string) ([]string, string, error) {
	var (
		podNames []string
		ns       string
	)
	pl, err := kubeClient.PodsForSelector(context.TODO(), ctx.NamespaceOrDefault(ctx.Namespace()), labelSelector)
	if err != nil {
		return nil, "", fmt.Errorf("not able to locate pod with selector %s: %v", labelSelector, err)
	}
	if len(pl.Items) < 1 {