func createMeshConfig(kubeClient kube.CLIClient, wg *clientv1alpha3.WorkloadGroup, istioNamespace, clusterID, dir,
	revision string,
) (*meshconfig.ProxyConfig, error) {
	istioCM := "istio"
	// Case with multiple control planes
	if isRevisioned(revision) {
		istioCM = fmt.Sprintf("%s-%s", istioCM, revision)
	}
	istio, err := kubeClient.Kube().CoreV1().ConfigMaps(istioNamespace).Get(context.Background(), istioCM, metav1.GetOptions{})