def start(self):
vcs_string = version.version_string_with_vcs()
LOG.info(_('Starting %(topic)s node (version %(vcs_string)s)'),
{'topic': self.topic, 'vcs_string': vcs_string})
self.conn = rpc.create_connection(new=True)
LOG.debug(_("Creating Consumer connection for Service %s") %
self.topic)
# Share this same connection for these Consumers
self.conn.create_consumer(self.topic, self, fanout=False)
node_topic = '%s.%s' % (self.topic, self.host)
self.conn.create_consumer(node_topic, self, fanout=False)
self.conn.create_consumer(self.topic, self, fanout=True)
# Consume from all consumers in a thread
self.conn.consume_in_thread()
if self.report_interval:
pulse = utils.LoopingCall(self.report_state)
pulse.start(interval=self.report_interval, now=False)
self.timers.append(pulse)
if self.periodic_interval:
periodic = utils.LoopingCall(self.periodic_tasks)
periodic.start(interval=self.periodic_interval, now=False)
self.timers.append(periodic)
def start(self):
vcs_string = version.version_string_with_vcs()
LOG.info(_('Starting %(topic)s node (version %(vcs_string)s)'),
{'topic': self.topic, 'vcs_string': vcs_string})
self.conn = rpc.create_connection(new=True)
LOG.debug(_("Creating Consumer connection for Service %s") %
self.topic)
# Share this same connection for these Consumers
self.conn.create_consumer(self.topic, self, fanout=False)
node_topic = '%s.%s' % (self.topic, self.host)
self.conn.create_consumer(node_topic, self, fanout=False)
self.conn.create_consumer(self.topic, self, fanout=True)
# Consume from all consumers in a thread
self.conn.consume_in_thread()
if self.report_interval:
pulse = utils.LoopingCall(self.report_state)
pulse.start(interval=self.report_interval, now=False)
self.timers.append(pulse)
if self.periodic_interval:
periodic = utils.LoopingCall(self.periodic_tasks)
periodic.start(interval=self.periodic_interval, now=False)
self.timers.append(periodic)
def delete_queue(context, topic):
if CONF.rpc_backend == "reddwarf.openstack.common.rpc.impl_kombu":
connection = openstack_rpc.create_connection()
channel = connection.channel
durable = connection.conf.rabbit_durable_queues
queue = kombu.entity.Queue(name=topic, channel=channel,
auto_delete=False, exclusive=False,
durable=durable)
queue.delete()
def delete_queue(context, topic):
if CONF.rpc_backend == "reddwarf.openstack.common.rpc.impl_kombu":
connection = openstack_rpc.create_connection()
channel = connection.channel
durable = connection.conf.rabbit_durable_queues
queue = kombu.entity.Queue(name=topic,
channel=channel,
auto_delete=False,
exclusive=False,
durable=durable)
queue.delete()
def _cast_with_consumer(self, method_name, **kwargs):
try:
conn = rpc.create_connection(new=True)
conn.create_consumer(self._get_routing_key(), None, fanout=False)
except Exception as e:
LOG.error(e)
raise exception.GuestError(original_message=str(e))
finally:
if conn:
conn.close()
# leave the cast call out of the hackity consumer create
self._cast(method_name, **kwargs)
def _cast_with_consumer(self, method_name, **kwargs):
try:
conn = rpc.create_connection(new=True)
conn.create_consumer(self._get_routing_key(), None, fanout=False)
except Exception as e:
LOG.error(e)
raise exception.GuestError(original_message=str(e))
finally:
if conn:
conn.close()
# leave the cast call out of the hackity consumer create
self._cast(method_name, **kwargs)
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])
# 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 declare_queue(self, topic):
"""Call this to declare a queue from Python."""
#from reddwarf.rpc.impl_kombu import Connection
from reddwarf.openstack.common.rpc import create_connection
with create_connection() as conn:
consumer = conn.declare_topic_consumer(topic=topic)
