Add defaults for rabbitmq managment and erlang bind addresses

These default to 0.0.0.0 and can be overriden in a real deployment
where the correct management network address is known.

Change-Id: If989ccee6449578316e2e8dbe502b6b17c7af9c5

defaults/main.yml

@@ -121,6 +121,9 @@ rabbitmq_memory_high_watermark: 0.2
 # RabbitMQ collect statistics interval
 rabbitmq_collect_statistics_interval: 5000
 
+# RabbitMQ Management service bind address
+rabbitmq_management_bind_address: 0.0.0.0
+
 # RabbitMQ Management rates mode
 rabbitmq_management_rates_mode: basic
 

templates/rabbitmq-env.j2

@@ -3,3 +3,7 @@
 # Set ERLANG VM parameters
 RABBITMQ_IO_THREAD_POOL_SIZE={{ rabbitmq_async_threads }}
 RABBITMQ_SERVER_ERL_ARGS="+P {{ rabbitmq_process_limit }}"
+
+{% if (rabbitmq_management_bind_address != '0.0.0.0') %}
+export ERL_EPMD_ADDRESS={{ rabbitmq_management_bind_address }}
+{% endif %}

templates/rabbitmq.config.j2

@@ -38,8 +38,12 @@
     ]
   },
   { rabbitmq_management, [
-      { rates_mode, {{ rabbitmq_management_rates_mode }} }
+      { rates_mode, {{ rabbitmq_management_rates_mode }} },
+      { listener, [{ip, "{{ rabbitmq_management_bind_address }}" }]}
     ]
   },
+  {kernel, [
+     {inet_dist_use_interface, { {{ rabbitmq_management_bind_address|replace('.',',') }} } }
+  ]},
   {mnesia, [{dump_log_write_threshold, {{ mnesia_dump_log_write_threshold }} }]}
 ].