Merge pull request #360 from detiber/fixEtcdDefaultInterface

Fix etcd default interface

roles/etcd/defaults/main.yaml

@@ -1,5 +1,5 @@
 ---
-etcd_interface: eth0
+etcd_interface: "{{ ansible_default_ipv4.interface }}"
 etcd_client_port: 2379
 etcd_peer_port: 2380
 etcd_peers_group: etcd