Merge pull request #273 from antoviaque/rabbitmq-apt-update

rabbitmq-atp-update: Fixes "Failed to find required executable rabbitmq-plugins"

playbooks/roles/rabbitmq/tasks/main.yml

@@ -13,7 +13,7 @@
   apt_repository: repo="{{rabbitmq_repository}}" state=present
 
 - name: rabbitmq | install rabbitmq
-  apt: pkg={{rabbitmq_pkg}} state=present
+  apt: pkg={{rabbitmq_pkg}} state=present update_cache=yes
 
 - name: rabbitmq | stop rabbit cluster
   service: name=rabbitmq-server state=stopped