def test_start_stop_process(self):
try:
import _multiprocessing # noqa
except ImportError:
raise SkipTest('multiprocessing not available')
from billiard.process import Process
s = beat.EmbeddedService(self.app)
self.assertIsInstance(s, Process)
self.assertIsInstance(s.service, beat.Service)
s.service = MockService()
class _Popen(object):
terminated = False
def terminate(self):
self.terminated = True
with patch('celery.platforms.close_open_fds'):
s.run()
self.assertTrue(s.service.started)
s._popen = _Popen()
s.stop()
self.assertTrue(s.service.stopped)
self.assertTrue(s._popen.terminated)
def test_start_stop_threaded(self):
s = beat.EmbeddedService(self.app, thread=True)
from threading import Thread
assert isinstance(s, Thread)
assert isinstance(s.service, beat.Service)
s.service = MockService()
s.run()
assert s.service.started
s.stop()
assert s.service.stopped
def test_start_stop_threaded(self):
s = beat.EmbeddedService(thread=True)
from threading import Thread
self.assertIsInstance(s, Thread)
self.assertIsInstance(s.service, beat.Service)
s.service = MockService()
s.run()
self.assertTrue(s.service.started)
s.stop()
self.assertTrue(s.service.stopped)
def test_start_stop_process(self):
s = beat.EmbeddedService()
from multiprocessing import Process
self.assertIsInstance(s, Process)
self.assertIsInstance(s.service, beat.Service)
s.service = MockService()
class _Popen(object):
terminated = False
def terminate(self):
self.terminated = True
s.run()
self.assertTrue(s.service.started)
s._popen = _Popen()
s.stop()
self.assertTrue(s.service.stopped)
self.assertTrue(s._popen.terminated)
def xxx_start_stop_process(self):
from billiard.process import Process
s = beat.EmbeddedService(self.app)
assert isinstance(s, Process)
assert isinstance(s.service, beat.Service)
s.service = MockService()
class _Popen(object):
terminated = False
def terminate(self):
self.terminated = True
with patch('celery.platforms.close_open_fds'):
s.run()
assert s.service.started
s._popen = _Popen()
s.stop()
assert s.service.stopped
assert s._popen.terminated
def test_start_stop_process(self):
try:
from multiprocessing import Process
except ImportError:
raise SkipTest("multiprocessing not available")
s = beat.EmbeddedService()
self.assertIsInstance(s, Process)
self.assertIsInstance(s.service, beat.Service)
s.service = MockService()
class _Popen(object):
terminated = False
def terminate(self):
self.terminated = True
s.run()
self.assertTrue(s.service.started)
s._popen = _Popen()
s.stop()
self.assertTrue(s.service.stopped)
self.assertTrue(s._popen.terminated)
def __init__(self,
concurrency=None,
logfile=None,
loglevel=None,
send_events=None,
hostname=None,
ready_callback=noop,
embed_clockservice=False,
pool_cls=None,
consumer_cls=None,
mediator_cls=None,
eta_scheduler_cls=None,
schedule_filename=None,
task_time_limit=None,
task_soft_time_limit=None,
max_tasks_per_child=None,
pool_putlocks=None,
db=None,
prefetch_multiplier=None,
eta_scheduler_precision=None,
disable_rate_limits=None,
autoscale=None,
autoscaler_cls=None,
scheduler_cls=None,
app=None):
self.app = app_or_default(app)
conf = self.app.conf
# Options
self.loglevel = loglevel or self.loglevel
self.concurrency = concurrency or conf.CELERYD_CONCURRENCY
self.logfile = logfile or conf.CELERYD_LOG_FILE
self.logger = self.app.log.get_default_logger()
if send_events is None:
send_events = conf.CELERY_SEND_EVENTS
self.send_events = send_events
self.pool_cls = _concurrency.get_implementation(pool_cls
or conf.CELERYD_POOL)
self.consumer_cls = consumer_cls or conf.CELERYD_CONSUMER
self.mediator_cls = mediator_cls or conf.CELERYD_MEDIATOR
self.eta_scheduler_cls = eta_scheduler_cls or \
conf.CELERYD_ETA_SCHEDULER
self.autoscaler_cls = autoscaler_cls or \
conf.CELERYD_AUTOSCALER
self.schedule_filename = schedule_filename or \
conf.CELERYBEAT_SCHEDULE_FILENAME
self.scheduler_cls = scheduler_cls or conf.CELERYBEAT_SCHEDULER
self.hostname = hostname or socket.gethostname()
self.embed_clockservice = embed_clockservice
self.ready_callback = ready_callback
self.task_time_limit = task_time_limit or \
conf.CELERYD_TASK_TIME_LIMIT
self.task_soft_time_limit = task_soft_time_limit or \
conf.CELERYD_TASK_SOFT_TIME_LIMIT
self.max_tasks_per_child = max_tasks_per_child or \
conf.CELERYD_MAX_TASKS_PER_CHILD
self.pool_putlocks = pool_putlocks or \
conf.CELERYD_POOL_PUTLOCKS
self.eta_scheduler_precision = eta_scheduler_precision or \
conf.CELERYD_ETA_SCHEDULER_PRECISION
self.prefetch_multiplier = prefetch_multiplier or \
conf.CELERYD_PREFETCH_MULTIPLIER
self.timer_debug = SilenceRepeated(self.logger.debug,
max_iterations=10)
self.db = db or conf.CELERYD_STATE_DB
self.disable_rate_limits = disable_rate_limits or \
conf.CELERY_DISABLE_RATE_LIMITS
self._finalize = Finalize(self, self.stop, exitpriority=1)
self._finalize_db = None
if self.db:
persistence = state.Persistent(self.db)
self._finalize_db = Finalize(persistence,
persistence.save,
exitpriority=5)
# Queues
if self.disable_rate_limits:
self.ready_queue = FastQueue()
self.ready_queue.put = self.process_task
else:
self.ready_queue = TaskBucket(task_registry=registry.tasks)
self.logger.debug("Instantiating thread components...")
# Threads + Pool + Consumer
self.autoscaler = None
max_concurrency = None
min_concurrency = concurrency
if autoscale:
max_concurrency, min_concurrency = autoscale
self.pool = instantiate(self.pool_cls,
min_concurrency,
logger=self.logger,
initializer=process_initializer,
initargs=(self.app, self.hostname),
maxtasksperchild=self.max_tasks_per_child,
timeout=self.task_time_limit,
soft_timeout=self.task_soft_time_limit,
putlocks=self.pool_putlocks)
self.priority_timer = instantiate(self.pool.Timer)
if not self.eta_scheduler_cls:
# Default Timer is set by the pool, as e.g. eventlet
# needs a custom implementation.
self.eta_scheduler_cls = self.pool.Timer
if autoscale:
self.autoscaler = instantiate(self.autoscaler_cls,
self.pool,
max_concurrency=max_concurrency,
min_concurrency=min_concurrency,
logger=self.logger)
self.mediator = None
if not self.disable_rate_limits:
self.mediator = instantiate(self.mediator_cls,
self.ready_queue,
app=self.app,
callback=self.process_task,
logger=self.logger)
self.scheduler = instantiate(self.eta_scheduler_cls,
precision=eta_scheduler_precision,
on_error=self.on_timer_error,
on_tick=self.on_timer_tick)
self.beat = None
if self.embed_clockservice:
self.beat = beat.EmbeddedService(
app=self.app,
logger=self.logger,
schedule_filename=self.schedule_filename,
scheduler_cls=self.scheduler_cls)
prefetch_count = self.concurrency * self.prefetch_multiplier
self.consumer = instantiate(self.consumer_cls,
self.ready_queue,
self.scheduler,
logger=self.logger,
hostname=self.hostname,
send_events=self.send_events,
init_callback=self.ready_callback,
initial_prefetch_count=prefetch_count,
pool=self.pool,
priority_timer=self.priority_timer,
app=self.app)
# The order is important here;
# the first in the list is the first to start,
# and they must be stopped in reverse order.
self.components = filter(None,
(self.pool, self.mediator, self.scheduler,
self.beat, self.autoscaler, self.consumer))
def __init__(self,
concurrency=None,
logfile=None,
loglevel=None,
send_events=conf.SEND_EVENTS,
hostname=None,
ready_callback=noop,
embed_clockservice=False,
pool_cls=conf.CELERYD_POOL,
listener_cls=conf.CELERYD_LISTENER,
mediator_cls=conf.CELERYD_MEDIATOR,
eta_scheduler_cls=conf.CELERYD_ETA_SCHEDULER,
schedule_filename=conf.CELERYBEAT_SCHEDULE_FILENAME,
task_time_limit=conf.CELERYD_TASK_TIME_LIMIT,
task_soft_time_limit=conf.CELERYD_TASK_SOFT_TIME_LIMIT,
max_tasks_per_child=conf.CELERYD_MAX_TASKS_PER_CHILD,
pool_putlocks=conf.CELERYD_POOL_PUTLOCKS,
disable_rate_limits=conf.DISABLE_RATE_LIMITS,
db=conf.CELERYD_STATE_DB,
scheduler_cls=conf.CELERYBEAT_SCHEDULER):
# Options
self.loglevel = loglevel or self.loglevel
self.concurrency = concurrency or self.concurrency
self.logfile = logfile or self.logfile
self.logger = log.get_default_logger()
self.hostname = hostname or socket.gethostname()
self.embed_clockservice = embed_clockservice
self.ready_callback = ready_callback
self.send_events = send_events
self.task_time_limit = task_time_limit
self.task_soft_time_limit = task_soft_time_limit
self.max_tasks_per_child = max_tasks_per_child
self.pool_putlocks = pool_putlocks
self.timer_debug = log.SilenceRepeated(self.logger.debug,
max_iterations=10)
self.db = db
self._finalize = Finalize(self, self.stop, exitpriority=1)
if self.db:
persistence = state.Persistent(self.db)
Finalize(persistence, persistence.save, exitpriority=5)
# Queues
if disable_rate_limits:
self.ready_queue = FastQueue()
self.ready_queue.put = self.process_task
else:
self.ready_queue = TaskBucket(task_registry=registry.tasks)
self.logger.debug("Instantiating thread components...")
# Threads + Pool + Consumer
self.pool = instantiate(pool_cls,
self.concurrency,
logger=self.logger,
initializer=process_initializer,
initargs=(self.hostname, ),
maxtasksperchild=self.max_tasks_per_child,
timeout=self.task_time_limit,
soft_timeout=self.task_soft_time_limit,
putlocks=self.pool_putlocks)
self.mediator = None
if not disable_rate_limits:
self.mediator = instantiate(mediator_cls,
self.ready_queue,
callback=self.process_task,
logger=self.logger)
self.scheduler = instantiate(
eta_scheduler_cls,
precision=conf.CELERYD_ETA_SCHEDULER_PRECISION,
on_error=self.on_timer_error,
on_tick=self.on_timer_tick)
self.beat = None
if self.embed_clockservice:
self.beat = beat.EmbeddedService(
logger=self.logger,
schedule_filename=schedule_filename,
scheduler_cls=scheduler_cls)
prefetch_count = self.concurrency * conf.CELERYD_PREFETCH_MULTIPLIER
self.listener = instantiate(listener_cls,
self.ready_queue,
self.scheduler,
logger=self.logger,
hostname=self.hostname,
send_events=self.send_events,
init_callback=self.ready_callback,
initial_prefetch_count=prefetch_count,
pool=self.pool)
# The order is important here;
# the first in the list is the first to start,
# and they must be stopped in reverse order.
self.components = filter(None,
(self.pool, self.mediator, self.scheduler,
self.beat, self.listener))
