fix

Openstack/pv176-init.json

@@ -54,7 +54,7 @@
                     "type": "Lib::server_floating_ip",
                     "properties":{
                         "server_name":{
-                            "get_attr": ["vms","%index%"]
+                            "get_attr": ["vms","vm","0"]
                             }
                     }
                 }