fi
  kube::log::info "etcd --advertise-client-urls ${KUBE_INTEGRATION_ETCD_URL} --data-dir ${ETCD_DIR} --listen-client-urls http://${ETCD_HOST}:${ETCD_PORT} --log-level=${ETCD_LOGLEVEL} 2> \"${ETCD_LOGFILE}\" >/dev/null"
  etcd --advertise-client-urls "${KUBE_INTEGRATION_ETCD_URL}" --data-dir "${ETCD_DIR}" --listen-client-urls "${KUBE_INTEGRATION_ETCD_URL}" --log-level="${ETCD_LOGLEVEL}" 2> "${ETCD_LOGFILE}" >/dev/null &
  ETCD_PID=$!

}

// IntegrationEtcdServers returns etcd server URLs.
func IntegrationEtcdServers() []string {
	if etcdURL, ok := os.LookupEnv("KUBE_INTEGRATION_ETCD_URL"); ok {
		return []string{etcdURL}
	}
	return []string{"http://127.0.0.1:2379"}