Merge pull request #120 from deric/etcd_cluster_list

Make etcd initial_cluster unique list

Author: ananace

Diff for: manifests/server/etcd/setup.pp

@@ -182,9 +182,9 @@
     $_peer_client_cert_auth = $peer_client_cert_auth
   }
 
-  $_initial_cluster = [
-    "${etcd_name}=${initial_advertise_peer_urls[0]}"
-  ] + $initial_cluster
+  $_initial_cluster = ([
+      "${etcd_name}=${initial_advertise_peer_urls[0]}"
+  ] + $initial_cluster).unique
 
   file {
     default: