Merge pull request #2577 from woopstar/etcd-fix-4

Makeover of etcd- and etcd-cluster setup.

roles/etcd/defaults/main.yml

@@ -1,6 +1,7 @@
 ---
 # Set to false to only do certificate management
 etcd_cluster_setup: true
+etcd_events_cluster_setup: false
 
 etcd_backup_prefix: "/var/backups"
 etcd_data_dir: "/var/lib/etcd"