- for alarm in self.common_db.get_alarms():
- p = multiprocessing.Process(target=self._evaluate_metric,
- args=(alarm,))
- processes.append(p)
- p.start()
-
- for process in processes:
- process.join(timeout=10)
- alarms_tuples = []
- while not self.queue.empty():
- alarms_tuples.append(self.queue.get())
- return alarms_tuples
+ database.db.connect()
+ try:
+ with database.db.atomic():
+ for alarm in AlarmRepository.list():
+ # Tags need to be passed inside a dict to avoid database locking issues related to process forking
+ tags = {}
+ for tag in alarm.tags:
+ tags[tag.name] = tag.value
+ p = multiprocessing.Process(target=self._evaluate_metric,
+ args=(alarm, tags))
+ processes.append(p)
+ p.start()
+
+ for process in processes:
+ process.join(timeout=10)
+ alarms_tuples = []
+ log.info("Appending alarms to queue")
+ while not self.queue.empty():
+ alarms_tuples.append(self.queue.get())
+ return alarms_tuples
+ finally:
+ database.db.close()