def start(self):
super(Service, self).start()
self.conn = rpc.create_connection(new=True)
LOG.debug(_("Creating Consumer connection for Service %s") %
self.topic)
dispatcher = rpc_dispatcher.RpcDispatcher([self.manager],
self.serializer)
# Share this same connection for these Consumers
self.conn.create_consumer(self.topic, dispatcher, fanout=False)
node_topic = '%s.%s' % (self.topic, self.host)
self.conn.create_consumer(node_topic, dispatcher, fanout=False)
self.conn.create_consumer(self.topic, dispatcher, fanout=True)
# Hook to allow the manager to do other initializations after
# the rpc connection is created.
if callable(getattr(self.manager, 'initialize_service_hook', None)):
self.manager.initialize_service_hook(self)
# Consume from all consumers in a thread
self.conn.consume_in_thread()
def test_mnb_connection():
# Because the oslo notifier code does not have a return status
# and exceptions are caught inside oslo (I know...), the best we
# can do here is use the oslo rpc code to try a test connection
# to the MnB servers before the notification(s) are sent.
connected = False
try:
cx = rpc.create_connection()
cx.close()
LOG.info("Verified RPC connection is ready")
connected = True
except rpc_common.RPCException as e:
LOG.error("RPC connect exception: %s", e)
except Exception as e:
LOG.error("Non-RPC connect exception: %s", e)
return connected
def test_mnb_connection():
# Because the oslo notifier code does not have a return status
# and exceptions are caught inside oslo (I know...), the best we
# can do here is use the oslo rpc code to try a test connection
# to the MnB servers before the notification(s) are sent.
connected = False
try:
cx = rpc.create_connection()
cx.close()
LOG.info("Verified RPC connection is ready")
connected = True
except rpc_common.RPCException as e:
LOG.error("RPC connect exception: %s", e)
except Exception as e:
LOG.error("Non-RPC connect exception: %s", e)
return connected
