from enum import Enum
from typing import Tuple, List
-from osm_common.dbbase import DbException
-
from osm_mon.core import database
from osm_mon.core.common_db import CommonDbClient
from osm_mon.core.config import Config
self.queue = multiprocessing.Queue()
def _get_metric_value(self,
- nsr_id: str,
- vnf_member_index: str,
- vdur_name: str,
- metric_name: str):
- return BACKENDS[self.conf.get('evaluator', 'backend')](self.conf).get_metric_value(metric_name,
- nsr_id,
- vdur_name,
- vnf_member_index)
+ metric_name: str,
+ tags: dict):
+ return BACKENDS[self.conf.get('evaluator', 'backend')](self.conf).get_metric_value(metric_name, tags)
def _evaluate_metric(self,
- nsr_id: str,
- vnf_member_index: str,
- vdur_name: str,
- metric_name: str,
- alarm: Alarm):
+ alarm: Alarm, tags: dict):
log.debug("_evaluate_metric")
- metric_value = self._get_metric_value(nsr_id, vnf_member_index, vdur_name, metric_name)
+ metric_value = self._get_metric_value(alarm.metric, tags)
if metric_value is None:
log.warning("No metric result for alarm %s", alarm.id)
self.queue.put((alarm, AlarmStatus.INSUFFICIENT))
try:
with database.db.atomic():
for alarm in AlarmRepository.list():
- try:
- vnfr = self.common_db.get_vnfr(alarm.nsr_id, alarm.vnf_member_index)
- except DbException:
- log.exception("Error getting vnfr: ")
- continue
- vnfd = self.common_db.get_vnfd(vnfr['vnfd-id'])
- try:
- vdur = next(filter(lambda vdur: vdur['name'] == alarm.vdur_name, vnfr['vdur']))
- except StopIteration:
- log.warning("No vdur found with name %s for alarm %s", alarm.vdur_name, alarm.id)
- continue
- vdu = next(filter(lambda vdu: vdu['id'] == vdur['vdu-id-ref'], vnfd['vdu']))
- vnf_monitoring_param = next(
- filter(lambda param: param['id'] == alarm.monitoring_param, vnfd['monitoring-param']))
- nsr_id = vnfr['nsr-id-ref']
- vnf_member_index = vnfr['member-vnf-index-ref']
- vdur_name = vdur['name']
- if 'vdu-monitoring-param' in vnf_monitoring_param:
- vdu_monitoring_param = next(filter(
- lambda param: param['id'] == vnf_monitoring_param['vdu-monitoring-param'][
- 'vdu-monitoring-param-ref'], vdu['monitoring-param']))
- nfvi_metric = vdu_monitoring_param['nfvi-metric']
-
- p = multiprocessing.Process(target=self._evaluate_metric,
- args=(nsr_id,
- vnf_member_index,
- vdur_name,
- nfvi_metric,
- alarm))
- processes.append(p)
- p.start()
- if 'vdu-metric' in vnf_monitoring_param:
- vnf_metric_name = vnf_monitoring_param['vdu-metric']['vdu-metric-name-ref']
- p = multiprocessing.Process(target=self._evaluate_metric,
- args=(nsr_id,
- vnf_member_index,
- vdur_name,
- vnf_metric_name,
- alarm))
- processes.append(p)
- p.start()
- if 'vnf-metric' in vnf_monitoring_param:
- vnf_metric_name = vnf_monitoring_param['vnf-metric']['vnf-metric-name-ref']
- p = multiprocessing.Process(target=self._evaluate_metric,
- args=(nsr_id,
- vnf_member_index,
- '',
- vnf_metric_name,
- alarm))
- processes.append(p)
- p.start()
+ # 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