The RabbitMQ ansible modules can't use https yet.

Disable SSL on the management api, and mitigate the security risk by
only listening on localhost.

roles/rabbitmq_cluster/templates/rabbitmq.config

@@ -31,10 +31,13 @@
  {rabbitmq_management,
   [
    {listener, [{port, 15672},
-               {ssl, true},
+               {ip, "127.0.0.1"}
-               {ssl_opts, [{cacertfile, "/etc/rabbitmq/ca.crt"},
+               # Ansible can't use HTTPS yet
-                           {certfile,   "/etc/rabbitmq/nodecert/node.crt"},
+               #{ssl, true},
-                           {keyfile,    "/etc/rabbitmq/nodecert/node.key"}]}]}
+               #{ssl_opts, [{cacertfile, "/etc/rabbitmq/ca.crt"},
+               #            {certfile,   "/etc/rabbitmq/nodecert/node.crt"},
+               #            {keyfile,    "/etc/rabbitmq/nodecert/node.key"}]}
+              ]}
   ]},
 
  {rabbitmq_management_agent,