async def create_triggers(self):
"""
Drain the to_create queue and create all triggers that have been
requested in the DB that we don't yet have.
"""
while self.to_create:
trigger_id, trigger_instance = self.to_create.popleft()
if trigger_id not in self.triggers:
self.triggers[trigger_id] = {
"task": create_task(self.run_trigger(trigger_id, trigger_instance)),
"name": f"{trigger_instance!r} (ID {trigger_id})",
"events": 0,
}
else:
self.log.warning("Trigger %s had insertion attempted twice", trigger_id)
async def arun(self):
"""
Main (asynchronous) logic loop.
The loop in here runs trigger addition/deletion/cleanup. Actual
triggers run in their own separate coroutines.
"""
watchdog = create_task(self.block_watchdog())
last_status = time.time()
while not self.stop:
# Run core logic
await self.create_triggers()
await self.delete_triggers()
await self.cleanup_finished_triggers()
# Sleep for a bit
await asyncio.sleep(1)
# Every minute, log status
if time.time() - last_status >= 60:
self.log.info("%i triggers currently running", len(self.triggers))
last_status = time.time()
# Wait for watchdog to complete
await watchdog
