return ControlPlane, nil
	case "etcd":
		return Etcd, nil
	case "cluster":
		return Cluster, nil
	}
	return -1, fmt.Errorf("unrecognized service name %s", name)
}

func tunnelHTTPConnect(proxyConn net.Conn, proxyAddress, addr string) (net.Conn, error) {
	fmt.Fprintf(proxyConn, "CONNECT %s HTTP/1.1\r\nHost: %s\r\n\r\n", addr, "127.0.0.1")
	br := bufio.NewReader(proxyConn)