Add support to bypass hostname writting

Author: ahelal

defaults/main.yml

@@ -66,11 +66,13 @@ rabbitmq_cluster_api_user                     : "api-automation"
 rabbitmq_cluster_api_password                 : "api-password"
 
 # How to get the IPs of cluster
-rabbitmq_clustering_resolve_names             : "ansible" # ['ansible', dns]
+rabbitmq_clustering_resolve_names             : "dns" # ['no', dns]
 
 ## Probably dont need to change that stuff
 ### Construct a regex to match group before .
 rabbitmq_cluster_post_fix_domain_regex_replace: "([^.]*).*"
 # Print extra message related to inventory
 rabbitmq_cluster_debug                        : false
+#
+rabbit_cluster_nodes_version                  : []
 

tasks/main.yml

@@ -19,6 +19,7 @@
 - block:
     - include: cluster/checks.yml
     - include: cluster/hostnames.yml
+      when: rabbitmq_clustering_resolve_names != "no"
     - include: cluster/erlang_cookie.yml
     - include: cluster/cluster.yml
   when: rabbitmq_clustering