def notify(method, engine_id=None, **kwargs):
'''Send notification to dispatcher
:param method: remote method to call
:param engine_id: dispatcher to notify; None implies broadcast
'''
client = rpc_messaging.get_rpc_client(version=consts.RPC_API_VERSION)
if engine_id:
# Notify specific dispatcher identified by engine_id
call_context = client.prepare(
version=consts.RPC_API_VERSION,
topic=consts.ENGINE_DISPATCHER_TOPIC,
server=engine_id)
else:
# Broadcast to all disptachers
call_context = client.prepare(
version=consts.RPC_API_VERSION,
topic=consts.ENGINE_DISPATCHER_TOPIC)
try:
# We don't use ctext parameter in action progress
# actually. But since RPCClient.call needs this param,
# we use oslo current context here.
call_context.call(oslo_context.get_current(), method, **kwargs)
return True
except oslo_messaging.MessagingTimeout:
return False
def notify(method, scheduler_id=None, **kwargs):
'''Send notification to scheduler
:param method: remote method to call
:param scheduler_id: specify scheduler to notify; None implies broadcast
'''
if scheduler_id:
# Notify specific scheduler identified by scheduler_id
client = messaging.get_rpc_client(
topic=consts.SCHEDULER_TOPIC,
server=scheduler_id,
version=consts.RPC_API_VERSION)
else:
# Broadcast to all schedulers
client = messaging.get_rpc_client(
topic=consts.SCHEDULER_TOPIC,
version=consts.RPC_API_VERSION)
try:
client.call(oslo_context.get_current(), method, **kwargs)
return True
except oslo_messaging.MessagingTimeout:
return False
def __init__(self):
self._client = messaging.get_rpc_client(
topic=consts.ENGINE_TOPIC,
server=cfg.CONF.host,
version=self.BASE_RPC_API_VERSION)
def __init__(self):
cfg.CONF.import_opt('host', 'bilean.common.config')
self._client = messaging.get_rpc_client(
topic=consts.ENGINE_TOPIC,
server=cfg.CONF.host,
version=self.BASE_RPC_API_VERSION)
