peers = append(peers, peer)
	}
	initialCluster := strings.Join(peers, ",")

	extraArgs := ""
	if protocol == "https" {
		extraArgs = getOrCreateTLSPeerCertArgs(t)
	}

	cfgs := []*EtcdMigrateCfg{}
	for i := 0; i < memberCount; i++ {
		memberName := fmt.Sprintf("%s-%d", name, i)
		peerURL := fmt.Sprintf("%s://127.0.0.1:%d", protocol, uint64(2380+i*10000))