diff --git a/metadata/service/pool/single.yml b/metadata/service/pool/single.yml
index ac4254e..68ec845 100644
--- a/metadata/service/pool/single.yml
+++ b/metadata/service/pool/single.yml
@@ -30,4 +30,9 @@
       token:
         kubelet: ${_param:kubernetes_kubelet_token}
         kube_proxy: ${_param:kubernetes_kube-proxy_token}
-      ca: kubernetes
\ No newline at end of file
+      ca: kubernetes
+      network:
+        etcd:
+          members:
+            - host: ${_param:master_address}
+              port: 4001
\ No newline at end of file