Initialize MQ transport only once

There are two separate features that use MQ transport:
1. Ceilometer notifications
2. api-engine communication

Merged MQ initialization code for them.
The question "Should they use the same MQ or not?" is out of
scope of this CR.

Change-Id: I6a38708bce4c031f9e759a29afbce14325960808
Closes-Bug: #1413005
This commit is contained in:
Andrew Lazarev 2015-02-05 14:43:30 -08:00
parent c293092a88
commit 264b5bb4c5
4 changed files with 20 additions and 29 deletions

View File

@ -83,7 +83,8 @@ def setup_common(possible_topdir, service_name):
# Validate other configurations (that may produce logs) here # Validate other configurations (that may produce logs) here
cinder.validate_config() cinder.validate_config()
messaging.setup() if service_name != 'all-in-one' or cfg.CONF.enable_notifications:
messaging.setup()
if service_name != 'all-in-one': if service_name != 'all-in-one':
LOG.warn( LOG.warn(

View File

@ -52,7 +52,7 @@ class NotificationTest(base.SaharaTestCase):
@mock.patch('oslo_messaging.notify.notifier.Notifier.info') @mock.patch('oslo_messaging.notify.notifier.Notifier.info')
def test_update_cluster(self, mock_notify): def test_update_cluster(self, mock_notify):
self.override_config("enable_notifications", True) self.override_config("enable_notifications", True)
messaging.setup("fake://", optional=True) messaging.setup()
self._make_sample() self._make_sample()
self.assertEqual([self.expected], self.assertEqual([self.expected],

View File

@ -33,7 +33,7 @@ class TestMessagingSetup(base.SaharaTestCase):
self.override_config('enable_notifications', True) self.override_config('enable_notifications', True)
def _install(self): def _install(self):
messaging.setup('fake://', optional=True) messaging.setup()
self.assertNotEqual(None, messaging.TRANSPORT) self.assertNotEqual(None, messaging.TRANSPORT)
self.assertNotEqual(None, messaging.NOTIFIER) self.assertNotEqual(None, messaging.NOTIFIER)
@ -58,7 +58,7 @@ class TestMessagingSetup(base.SaharaTestCase):
self._install() self._install()
expected = [ expected = [
mock.call(main.CONF, 'fake://', aliases=_ALIASES) mock.call(main.CONF, aliases=_ALIASES)
] ]
self.assertEqual(expected, mock_transport.call_args_list) self.assertEqual(expected, mock_transport.call_args_list)
@ -68,11 +68,6 @@ class TestMessagingSetup(base.SaharaTestCase):
def test_notifier(self, mock_init): def test_notifier(self, mock_init):
self._install() self._install()
serializer = messaging.SERIALIZER self.assertEqual(1, mock_init.call_count)
expected = [
mock.call(messaging.TRANSPORT, serializer=serializer)
]
self.assertEqual(expected, mock_init.call_args_list)
self._remove_install() self._remove_install()

View File

@ -25,7 +25,6 @@ from sahara.i18n import _LI
TRANSPORT = None TRANSPORT = None
NOTIFIER = None NOTIFIER = None
SERIALIZER = None
CONF = cfg.CONF CONF = cfg.CONF
LOG = logging.getLogger(__name__) LOG = logging.getLogger(__name__)
@ -64,9 +63,11 @@ class JsonPayloadSerializer(messaging.NoOpSerializer):
class RPCClient(object): class RPCClient(object):
def __init__(self, target): def __init__(self, target):
global TRANSPORT
self.__client = messaging.RPCClient( self.__client = messaging.RPCClient(
target=target, target=target,
transport=messaging.get_transport(cfg.CONF), transport=TRANSPORT,
) )
def cast(self, name, **kwargs): def cast(self, name, **kwargs):
@ -80,9 +81,11 @@ class RPCClient(object):
class RPCServer(object): class RPCServer(object):
def __init__(self, target): def __init__(self, target):
global TRANSPORT
self.__server = messaging.get_rpc_server( self.__server = messaging.get_rpc_server(
target=target, target=target,
transport=messaging.get_transport(cfg.CONF), transport=TRANSPORT,
endpoints=[self], endpoints=[self],
executor='eventlet') executor='eventlet')
@ -91,29 +94,21 @@ class RPCServer(object):
self.__server.wait() self.__server.wait()
def setup(url=None, optional=False): def setup():
"""Initialise the oslo_messaging layer.""" """Initialise the oslo_messaging layer."""
global TRANSPORT, NOTIFIER, SERIALIZER global TRANSPORT, NOTIFIER
messaging.set_transport_defaults('sahara')
TRANSPORT = messaging.get_transport(cfg.CONF, aliases=_ALIASES)
if not cfg.CONF.enable_notifications: if not cfg.CONF.enable_notifications:
LOG.info(_LI("Notifications disabled")) LOG.info(_LI("Notifications disabled"))
return return
LOG.info(_LI("Notifications enabled")) LOG.info(_LI("Notifications enabled"))
messaging.set_transport_defaults('sahara') serializer = ContextSerializer(JsonPayloadSerializer())
NOTIFIER = messaging.Notifier(TRANSPORT, serializer=serializer)
SERIALIZER = ContextSerializer(JsonPayloadSerializer())
try:
TRANSPORT = messaging.get_transport(cfg.CONF, url,
aliases=_ALIASES)
except messaging.InvalidTransportURL as e:
TRANSPORT = None
if not optional or e.url:
raise
if TRANSPORT:
NOTIFIER = messaging.Notifier(TRANSPORT, serializer=SERIALIZER)
def get_notifier(publisher_id): def get_notifier(publisher_id):