Allow specification of the node we wish to connect to.

library/messaging/rabbitmq_parameter

@@ -47,6 +47,11 @@ options:
       - vhost to apply access privileges.
     required: false
     default: /
+  node:
+    description:
+      - erlang node name of the rabbit we wish to configure
+    required: false
+    default: rabbit
   state:
     description:
       - Specify if user is to be added or removed
@@ -61,20 +66,22 @@ rabbitmq_parameter: component=federation name=local-username value='"guest"' sta
 """
 
 class RabbitMqParameter(object):
-    def __init__(self, module, component, name, value, vhost):
+    def __init__(self, module, component, name, value, vhost, node):
         self.module = module
         self.component = component
         self.name = name
         self.value = value
         self.vhost = vhost
+	self.node = node
 
         self._value = None
 
         self._rabbitmqctl = module.get_bin_path('rabbitmqctl', True)
+	self._env = module.get_bin_path('env', True)
 
     def _exec(self, args, run_in_check_mode=False):
         if not self.module.check_mode or (self.module.check_mode and run_in_check_mode):
-            cmd = [self._rabbitmqctl, '-q']
+            cmd = [self._env, 'RABBITMQ_NODENAME=%s' % self.node, self._rabbitmqctl, '-q']
             rc, out, err = self.module.run_command(cmd + args, check_rc=True)
             return out.splitlines()
         return list()
@@ -105,7 +112,8 @@ def main():
         name=dict(required=True),
         value=dict(default=None),
         vhost=dict(default='/'),
-        state=dict(default='present', choices=['present', 'absent'])
+        state=dict(default='present', choices=['present', 'absent']),
+        node=dict(default='rabbit')
     )
     module = AnsibleModule(
         argument_spec=arg_spec,
@@ -117,8 +125,9 @@ def main():
     value = module.params['value']
     vhost = module.params['vhost']
     state = module.params['state']
+    node = module.params['node']
 
-    rabbitmq_parameter = RabbitMqParameter(module, component, name, value, vhost)
+    rabbitmq_parameter = RabbitMqParameter(module, component, name, value, vhost, node)
 
     changed = False
     if rabbitmq_parameter.get():