- log.debug("vdu %s already has an alarm configured", vdur['name'])
- continue
- except ScalingAlarm.DoesNotExist:
- pass
- alarm_uuid = self.mon_client.create_alarm(
- metric_name=vdu_monitoring_param['nfvi-metric'],
- ns_id=nsr_id,
- vdu_name=vdur['name'],
- vnf_member_index=vnfr['member-vnf-index-ref'],
- threshold=scaling_criteria['scale-in-threshold'],
- operation=scaling_criteria['scale-in-relational-operation'],
- statistic=vnf_monitoring_param['aggregation-type']
- )
- ScalingAlarm.create(
- alarm_id=alarm_uuid,
- action='scale_in',
- vnf_member_index=int(vnfr['member-vnf-index-ref']),
- vdu_name=vdur['name'],
- scaling_criteria=scaling_criteria_record
- )
- alarm_uuid = self.mon_client.create_alarm(
- metric_name=vdu_monitoring_param['nfvi-metric'],
- ns_id=nsr_id,
- vdu_name=vdur['name'],
- vnf_member_index=vnfr['member-vnf-index-ref'],
- threshold=scaling_criteria['scale-out-threshold'],
- operation=scaling_criteria['scale-out-relational-operation'],
- statistic=vnf_monitoring_param['aggregation-type']
- )
- ScalingAlarm.create(
- alarm_id=alarm_uuid,
- action='scale_out',
- vnf_member_index=int(vnfr['member-vnf-index-ref']),
- vdu_name=vdur['name'],
- scaling_criteria=scaling_criteria_record
- )
+ log.info("Found existing scaling criteria record in DB...")
+ except ScalingCriteria.DoesNotExist:
+ log.info("Creating scaling criteria record in DB...")
+ scaling_criteria_record = ScalingCriteria.create(
+ nsr_id=nsr_id,
+ name=scaling_criteria['name'],
+ scaling_policy=scaling_policy_record
+ )
+ log.info(
+ "Created scaling criteria record in DB : name=%s, scaling_policy.name=%s",
+ scaling_criteria_record.name,
+ scaling_criteria_record.scaling_policy.name)
+
+ for vdu_ref in scaling_group['vdu']:
+ vnf_monitoring_param = next(
+ filter(
+ lambda param: param['id'] == scaling_criteria[
+ 'vnf-monitoring-param-ref'],
+ vnf_monitoring_params)
+ )
+ if not vdu_ref['vdu-id-ref'] == vnf_monitoring_param['vdu-ref']:
+ continue
+ vdu = next(
+ filter(lambda vdu: vdu['id'] == vdu_ref['vdu-id-ref'], vnfd['vdu'])
+ )
+ vdu_monitoring_params = vdu['monitoring-param']
+ vdu_monitoring_param = next(
+ filter(
+ lambda param: param['id'] == vnf_monitoring_param[
+ 'vdu-monitoring-param-ref'],
+ vdu_monitoring_params))
+ vdurs = list(
+ filter(lambda vdur: vdur['vdu-id-ref'] == vnf_monitoring_param['vdu-ref'],
+ vnfr['vdur']))
+ for vdur in vdurs:
+ try:
+ (ScalingAlarm.select()
+ .join(ScalingCriteria)
+ .join(ScalingPolicy)
+ .join(ScalingGroup)
+ .where(
+ ScalingAlarm.vdu_name == vdur['name'],
+ ScalingCriteria.name == scaling_criteria['name'],
+ ScalingPolicy.name == scaling_policy['name'],
+ ScalingGroup.nsr_id == nsr_id
+ ).get())
+ log.debug("vdu %s already has an alarm configured", vdur['name'])
+ continue
+ except ScalingAlarm.DoesNotExist:
+ pass
+ alarm_uuid = await self.mon_client.create_alarm(
+ metric_name=vdu_monitoring_param['nfvi-metric'],
+ ns_id=nsr_id,
+ vdu_name=vdur['name'],
+ vnf_member_index=vnfr['member-vnf-index-ref'],
+ threshold=scaling_criteria['scale-in-threshold'],
+ operation=scaling_criteria['scale-in-relational-operation'],
+ statistic=vnf_monitoring_param['aggregation-type']
+ )
+ ScalingAlarm.create(
+ alarm_id=alarm_uuid,
+ action='scale_in',
+ vnf_member_index=int(vnfr['member-vnf-index-ref']),
+ vdu_name=vdur['name'],
+ scaling_criteria=scaling_criteria_record
+ )
+ alarm_uuid = await self.mon_client.create_alarm(
+ metric_name=vdu_monitoring_param['nfvi-metric'],
+ ns_id=nsr_id,
+ vdu_name=vdur['name'],
+ vnf_member_index=vnfr['member-vnf-index-ref'],
+ threshold=scaling_criteria['scale-out-threshold'],
+ operation=scaling_criteria['scale-out-relational-operation'],
+ statistic=vnf_monitoring_param['aggregation-type']
+ )
+ ScalingAlarm.create(
+ alarm_id=alarm_uuid,
+ action='scale_out',
+ vnf_member_index=int(vnfr['member-vnf-index-ref']),
+ vdu_name=vdur['name'],
+ scaling_criteria=scaling_criteria_record
+ )
+
+ except Exception as e:
+ log.exception("Error configuring scaling groups:")
+ if len(alarms_created) > 0:
+ log.info("Cleaning alarm resources in MON")
+ for alarm in alarms_created:
+ await self.mon_client.delete_alarm(*alarm)
+ raise e