def __init__(
self,
process_identifier,
process_number,
poll_interval=SYNC_POLL_INTERVAL,
exit_after_min=None,
exit_after_max=None,
):
self.keep_running = True
self.host = platform.node()
self.process_number = process_number
self.process_identifier = process_identifier
self.monitor_cls_for = {
mod.PROVIDER: getattr(mod, mod.SYNC_MONITOR_CLS)
for mod in module_registry.values()
if hasattr(mod, "SYNC_MONITOR_CLS")
}
for p_name, _ in iteritems(providers):
if p_name not in self.monitor_cls_for:
self.monitor_cls_for[p_name] = self.monitor_cls_for["generic"]
self.log = get_logger()
self.log.bind(process_number=process_number)
self.log.info("starting mail sync process",
supported_providers=list(module_registry))
self.syncing_accounts = set()
self.email_sync_monitors = {}
self.contact_sync_monitors = {}
self.event_sync_monitors = {}
# Randomize the poll_interval so we maintain at least a little fairness
# when using a timeout while blocking on the redis queues.
min_poll_interval = 5
self.poll_interval = int((random.random() *
(poll_interval - min_poll_interval)) +
min_poll_interval)
self.semaphore = BoundedSemaphore(1)
self.zone = config.get("ZONE")
# Note that we don't partition by zone for the private queues.
# There's not really a reason to since there's one queue per machine
# anyways. Also, if you really want to send an Account to a mailsync
# machine in another zone you can do so.
self.private_queue = EventQueue(
SYNC_EVENT_QUEUE_NAME.format(self.process_identifier))
self.queue_group = EventQueueGroup([
shared_sync_event_queue_for_zone(self.zone),
self.private_queue,
])
self.stealing_enabled = config.get("SYNC_STEAL_ACCOUNTS", True)
self._pending_avgs_provider = None
self.last_unloaded_account = time.time()
if exit_after_min and exit_after_max:
exit_after = random.randint(exit_after_min * 60,
exit_after_max * 60)
self.log.info("exit after", seconds=exit_after)
gevent.spawn_later(exit_after, self.stop)
def test_event_queue_group():
queue1 = EventQueue("name1")
queue2 = EventQueue("name2")
sent_event_1 = {"event": "test1"}
queue1.send_event(sent_event_1)
sent_event_2 = {"event": "test2"}
queue2.send_event(sent_event_2)
queue_group = EventQueueGroup([queue1, queue2])
received_event_1 = queue_group.receive_event()
assert received_event_1.pop("queue_name") == queue1.queue_name
assert received_event_1 == sent_event_1
received_event_2 = queue_group.receive_event()
assert received_event_2.pop("queue_name") == queue2.queue_name
assert received_event_2 == sent_event_2
