return nil
	}
	objLabels, err := GetTemplateLabels(un)
	if err != nil {
		return err
	}
	url := fmt.Sprintf("See %s\n", url.DeploymentRequirements)
	if !labels.HasCanonicalServiceName(objLabels) || !labels.HasCanonicalServiceRevision(objLabels) {
		fmt.Fprintf(writer, "deployment %q may not provide Istio metrics and telemetry labels: %q. "+url,

		}
	}

	// https://istio.io/docs/setup/kubernetes/additional-setup/requirements/
	// says "We recommend adding an explicit app label and version label to deployments."
	if !labels.HasCanonicalServiceName(pod.Labels) {
		fmt.Fprintf(writer, "Suggestion: add required service name label for Istio telemetry. "+
			"See %s.\n", url.DeploymentRequirements)
	}
	if !labels.HasCanonicalServiceRevision(pod.Labels) {