Send message ack in rpc.call and make queues durable.

nova/rpc.py

@@ -110,6 +110,7 @@ class TopicConsumer(Consumer):
         self.queue = topic
         self.routing_key = topic
         self.exchange = FLAGS.control_exchange
+        self.durable = False
         super(TopicConsumer, self).__init__(connection=connection)
 
 
@@ -195,7 +196,10 @@ def call(topic, msg):
     conn = Connection.instance()
     d = defer.Deferred()
     consumer = DirectConsumer(connection=conn, msg_id=msg_id)
-    consumer.register_callback(lambda data, message: d.callback(data))
+    def deferred_receive(data, message):
+        message.ack()
+        d.callback(data)
+    consumer.register_callback(deferred_receive)
     injected = consumer.attach_to_tornado()
 
     # clean up after the injected listened and return x
@@ -233,7 +237,8 @@ def send_message(topic, message, wait=True):
                                       exchange=msg_id,
                                       auto_delete=True,
                                       exchange_type="direct",
-                                      routing_key=msg_id)
+                                      routing_key=msg_id,
+                                      durable=False)
         consumer.register_callback(generic_response)
 
     publisher = messaging.Publisher(connection=Connection.instance(),