- with database.db.atomic():
- alarm = ScalingAlarmRepository.get(
- ScalingAlarm.alarm_uuid == alarm_uuid
- )
- vnf_member_index = alarm.vnf_member_index
- action = alarm.action
- scaling_policy = alarm.scaling_criteria.scaling_policy
- if not scaling_policy.enabled:
- return
- if action == "scale_in":
- operation = scaling_policy.scale_in_operation
- elif action == "scale_out":
- operation = scaling_policy.scale_out_operation
- else:
- raise Exception("Unknown alarm action {}".format(alarm.action))
- alarms = ScalingAlarmRepository.list(
- ScalingAlarm.scaling_criteria == alarm.scaling_criteria,
- ScalingAlarm.action == alarm.action,
- ScalingAlarm.vnf_member_index == vnf_member_index,
- ScalingAlarm.vdu_name == alarm.vdu_name,
- )
- statuses = []
- for alarm in alarms:
- statuses.append(alarm.last_status)
- if (operation == "AND" and set(statuses) == {"alarm"}) or (
- operation == "OR" and "alarm" in statuses
- ):
- delta = datetime.datetime.now() - scaling_policy.last_scale
- if delta.total_seconds() > scaling_policy.cooldown_time:
- log.info(
- "Sending %s action message for ns: %s",
- alarm.action,
- scaling_policy.scaling_group.nsr_id,
- )
- await self.lcm_client.scale(
- scaling_policy.scaling_group.nsr_id,
- scaling_policy.scaling_group.name,
- vnf_member_index,
- action,
- )
- scaling_policy.last_scale = datetime.datetime.now()
- scaling_policy.save()
+ if self.conf.get("autoscale", "enabled") == "True":
+ with database.db.atomic():
+ alarm = ScalingAlarmRepository.get(
+ ScalingAlarm.alarm_uuid == alarm_uuid
+ )
+ vnf_member_index = alarm.vnf_member_index
+ action = alarm.action
+ scaling_policy = alarm.scaling_criteria.scaling_policy
+ if not scaling_policy.enabled:
+ return
+ if action == "scale_in":
+ operation = scaling_policy.scale_in_operation
+ elif action == "scale_out":
+ operation = scaling_policy.scale_out_operation
+ else:
+ raise Exception("Unknown alarm action {}".format(alarm.action))
+ alarms = ScalingAlarmRepository.list(
+ ScalingAlarm.scaling_criteria == alarm.scaling_criteria,
+ ScalingAlarm.action == alarm.action,
+ ScalingAlarm.vnf_member_index == vnf_member_index,
+ ScalingAlarm.vdu_name == alarm.vdu_name,
+ )
+ statuses = []
+ for alarm in alarms:
+ statuses.append(alarm.last_status)
+ if (operation == "AND" and set(statuses) == {"alarm"}) or (
+ operation == "OR" and "alarm" in statuses
+ ):
+ delta = datetime.datetime.now() - scaling_policy.last_scale
+ if delta.total_seconds() > scaling_policy.cooldown_time:
+ log.info(
+ "Sending %s action message for ns: %s",
+ alarm.action,
+ scaling_policy.scaling_group.nsr_id,
+ )
+ await self.lcm_client.scale(
+ scaling_policy.scaling_group.nsr_id,
+ scaling_policy.scaling_group.name,
+ vnf_member_index,
+ action,
+ )
+ scaling_policy.last_scale = datetime.datetime.now()
+ scaling_policy.save()