lines = append(lines, fmt.Sprintf("%s=%s", k, shellescape.Quote(v)))
	}
	sort.Strings(lines)
	return strings.Join(lines, "\n") + "\n"
}

// extractClusterIDFromInjectionConfig can extract clusterID from injection configmap
func extractClusterIDFromInjectionConfig(kubeClient kube.CLIClient, istioNamespace string) (string, error) {
	injectionConfigMap := "istio-sidecar-injector"
	// Case with multiple control planes