if err := os.MkdirAll(outputDir, filePerms); err != nil {
		return err
	}
	var (
		err         error
		proxyConfig *meshconfig.ProxyConfig
	)
	revision := kubeClient.Revision()
	if proxyConfig, err = createMeshConfig(kubeClient, wg, istioNamespace, clusterID, outputDir, revision); err != nil {
		return err
	}
	if err := createClusterEnv(wg, proxyConfig, istioNamespace, revision, internalIP, externalIP, outputDir); err != nil {