def start(self):
log.debug("Container starting...")
# Check if this UNIX process already runs a Container.
self.pidfile = "cc-pid-%d" % os.getpid()
if os.path.exists(self.pidfile):
raise Exception("Container.on_start(): Container is a singleton per UNIX process. Existing pid file found: %s" % self.pidfile)
# write out a PID file containing our agent messaging name
with open(self.pidfile, 'w') as f:
from pyon.core.bootstrap import sys_name
pid_contents = {'messaging': dict(CFG.server.amqp),
'container-agent': self.name,
'container-xp': sys_name }
f.write(msgpack.dumps(pid_contents))
atexit.register(self._cleanup_pid)
# set up abnormal termination handler for this container
def handl(signum, frame):
try:
self._cleanup_pid() # cleanup the pidfile first
self.quit() # now try to quit - will not error on second cleanup pidfile call
finally:
signal.signal(signal.SIGTERM, self._normal_signal)
os.kill(os.getpid(), signal.SIGTERM)
self._normal_signal = signal.signal(signal.SIGTERM, handl)
# Start ExchangeManager. In particular establish broker connection
self.ex_manager.start()
# TODO: Move this in ExchangeManager - but there is an error
self.node, self.ioloop = messaging.make_node() # TODO: shortcut hack
# Instantiate Directory singleton and self-register
# TODO: At this point, there is no special config override
self.directory = Directory()
self.directory.register("/Containers", self.id, cc_agent=self.name)
self.proc_manager.start()
self.app_manager.start()
# Start the CC-Agent API
rsvc = ProcessRPCServer(node=self.node, name=self.name, service=self, process=self)
# Start an ION process with the right kind of endpoint factory
self.proc_manager.proc_sup.spawn((CFG.cc.proctype or 'green', None), listener=rsvc)
rsvc.get_ready_event().wait(timeout=10) # @TODO: no hardcode
log.info("Container started, OK.")
def test_create_endpoint(self, mockce):
prps = ProcessRPCServer(process=sentinel.process)
prps.create_endpoint(to_name=sentinel.to_name)
mockce.assert_called_once_with(prps, process=sentinel.process, to_name=sentinel.to_name)
def test_create_endpoint(self, mockce):
prps = ProcessRPCServer(process=sentinel.process)
prps.create_endpoint(to_name=sentinel.to_name)
mockce.assert_called_once_with(prps, process=sentinel.process, to_name=sentinel.to_name)
def start(self):
log.debug("Container starting...")
if self._is_started:
raise ContainerError("Container already started")
# Check if this UNIX process already runs a Container.
self.pidfile = "cc-pid-%d" % os.getpid()
if os.path.exists(self.pidfile):
raise ContainerError(
"Container.on_start(): Container is a singleton per UNIX process. Existing pid file found: %s"
% self.pidfile)
# write out a PID file containing our agent messaging name
with open(self.pidfile, 'w') as f:
pid_contents = {
'messaging': dict(CFG.server.amqp),
'container-agent': self.name,
'container-xp': bootstrap.get_sys_name()
}
f.write(msgpack.dumps(pid_contents))
atexit.register(self._cleanup_pid)
self._capabilities.append("PID_FILE")
# set up abnormal termination handler for this container
def handl(signum, frame):
try:
self._cleanup_pid() # cleanup the pidfile first
self.quit(
) # now try to quit - will not error on second cleanup pidfile call
finally:
signal.signal(signal.SIGTERM, self._normal_signal)
os.kill(os.getpid(), signal.SIGTERM)
self._normal_signal = signal.signal(signal.SIGTERM, handl)
self._capabilities.append("EXCHANGE_CONNECTION")
self.datastore_manager.start()
self._capabilities.append("DATASTORE_MANAGER")
# Instantiate Directory and self-register
self.directory = Directory()
self.directory.register("/Containers", self.id, cc_agent=self.name)
self.directory.register("/Containers/%s" % self.id, "Processes")
self._capabilities.append("DIRECTORY")
# Event repository
self.event_repository = EventRepository()
self.event_pub = EventPublisher()
self._capabilities.append("EVENT_REPOSITORY")
# Local resource registry
self.resource_registry = ResourceRegistry()
self._capabilities.append("RESOURCE_REGISTRY")
# Persistent objects
self.datastore_manager.get_datastore("objects",
DataStore.DS_PROFILE.OBJECTS)
# State repository
self.state_repository = StateRepository()
self._capabilities.append("STATE_REPOSITORY")
# Start ExchangeManager, which starts the node (broker connection)
self.node, self.ioloop = self.ex_manager.start()
self._capabilities.append("EXCHANGE_MANAGER")
self.proc_manager.start()
self._capabilities.append("PROC_MANAGER")
self.app_manager.start()
self._capabilities.append("APP_MANAGER")
self.governance_controller.start()
self._capabilities.append("GOVERNANCE_CONTROLLER")
if CFG.container.get('sflow', {}).get('enabled', False):
self.sflow_manager.start()
self._capabilities.append("SFLOW_MANAGER")
# Start the CC-Agent API
rsvc = ProcessRPCServer(node=self.node,
from_name=self.name,
service=self,
process=self)
# Start an ION process with the right kind of endpoint factory
proc = self.proc_manager.proc_sup.spawn(
(CFG.cc.proctype or 'green', None), listener=rsvc)
self.proc_manager.proc_sup.ensure_ready(proc)
self._capabilities.append("CONTAINER_AGENT")
self.event_pub.publish_event(event_type="ContainerLifecycleEvent",
origin=self.id,
origin_type="CapabilityContainer",
sub_type="START",
state=ContainerStateEnum.START)
self._is_started = True
self._status = "RUNNING"
log.info("Container started, OK.")
