def main():
try:
config.parse_args(get_properly_ordered_parameters())
print_server_info()
logging.setup(CONF, 'Mistral')
# Please refer to the oslo.messaging documentation for transport
# configuration. The default transport for oslo.messaging is
# rabbitMQ. The available transport drivers are listed in the
# setup.cfg file in oslo.messaging under the entry_points section for
# oslo.messaging.drivers. The transport driver is specified using the
# rpc_backend option in the default section of the oslo configuration
# file. The expected value for the rpc_backend is one of the key
# values available for the oslo.messaging.drivers (i.e. rabbit, fake).
# There are additional options such as ssl and credential that can be
# specified depending on the driver. Please refer to the driver
# implementation for those additional options. It's important to note
# that the "fake" transport should only be used if "all" the Mistral
# servers are launched on the same process. Otherwise, messages do not
# get delivered if the Mistral servers are launched on different
# processes because the "fake" transport is using an in process queue.
transport = rpc.get_transport()
if cfg.CONF.server == ['all']:
# Launch all servers.
launch_any(transport, LAUNCH_OPTIONS.keys())
else:
# Validate launch option.
if set(cfg.CONF.server) - set(LAUNCH_OPTIONS.keys()):
raise Exception('Valid options are all or any combination of '
'api, engine, and executor.')
# Launch distinct set of server(s).
launch_any(transport, set(cfg.CONF.server))
except RuntimeError as excp:
sys.stderr.write("ERROR: %s\n" % excp)
sys.exit(1)
def main():
try:
config.parse_args(get_properly_ordered_parameters())
print_server_info()
logging.setup(CONF, 'Mistral')
# Please refer to the oslo.messaging documentation for transport
# configuration. The default transport for oslo.messaging is
# rabbitMQ. The available transport drivers are listed in the
# setup.cfg file in oslo.messaging under the entry_points section for
# oslo.messaging.drivers. The transport driver is specified using the
# rpc_backend option in the default section of the oslo configuration
# file. The expected value for the rpc_backend is one of the key
# values available for the oslo.messaging.drivers (i.e. rabbit, fake).
# There are additional options such as ssl and credential that can be
# specified depending on the driver. Please refer to the driver
# implementation for those additional options. It's important to note
# that the "fake" transport should only be used if "all" the Mistral
# servers are launched on the same process. Otherwise, messages do not
# get delivered if the Mistral servers are launched on different
# processes because the "fake" transport is using an in process queue.
transport = rpc.get_transport()
if cfg.CONF.server == ['all']:
# Launch all servers.
launch_any(transport, LAUNCH_OPTIONS.keys())
else:
# Validate launch option.
if set(cfg.CONF.server) - set(LAUNCH_OPTIONS.keys()):
raise Exception('Valid options are all or any combination of '
'api, engine, and executor.')
# Launch distinct set of server(s).
launch_any(transport, set(cfg.CONF.server))
except RuntimeError as excp:
sys.stderr.write("ERROR: %s\n" % excp)
sys.exit(1)
def setUp(self):
super(EngineTestCase, self).setUp()
# Get transport here to let oslo.messaging setup default config
# before changing the rpc_backend to the fake driver; otherwise,
# oslo.messaging will throw exception.
messaging.get_transport(cfg.CONF)
# Set the transport to 'fake' for Engine tests.
cfg.CONF.set_default('rpc_backend', 'fake')
# Drop all RPC objects (transport, clients).
rpc.cleanup()
transport = rpc.get_transport()
self.engine_client = rpc.EngineClient(transport)
self.executor_client = rpc.ExecutorClient(transport)
self.engine = def_eng.DefaultEngine(self.engine_client)
self.executor = def_exec.DefaultExecutor(self.engine_client)
LOG.info("Starting engine and executor threads...")
self.threads = [
eventlet.spawn(launch_engine_server, transport, self.engine),
eventlet.spawn(launch_executor_server, transport, self.executor),
]
self.addOnException(self.print_executions)
# Start scheduler.
scheduler_thread_group = scheduler.setup()
self.addCleanup(self.kill_threads)
self.addCleanup(scheduler_thread_group.stop)
def setUp(self):
super(EngineTestCase, self).setUp()
# Get transport here to let oslo.messaging setup default config
# before changing the rpc_backend to the fake driver; otherwise,
# oslo.messaging will throw exception.
messaging.get_transport(cfg.CONF)
# Set the transport to 'fake' for Engine tests.
cfg.CONF.set_default('rpc_backend', 'fake')
# Drop all RPC objects (transport, clients).
rpc.cleanup()
transport = rpc.get_transport()
self.engine_client = rpc.EngineClient(transport)
self.executor_client = rpc.ExecutorClient(transport)
self.engine = def_eng.DefaultEngine(self.engine_client)
self.executor = def_exec.DefaultExecutor(self.engine_client)
LOG.info("Starting engine and executor threads...")
self.threads = [
eventlet.spawn(launch_engine_server, transport, self.engine),
eventlet.spawn(launch_executor_server, transport, self.executor),
]
self.addOnException(self.print_workflow_executions)
# Start scheduler.
scheduler_thread_group = scheduler.setup()
self.addCleanup(self.kill_threads)
self.addCleanup(scheduler_thread_group.stop)