##
import json
import logging
-import yaml
+from typing import Dict, List
+import yaml
from kafka import KafkaConsumer
-from osm_policy_module.core.config import Config
-from osm_policy_module.common.lcm_client import LcmClient
-
from osm_policy_module.common.alarm_config import AlarmConfig
+from osm_policy_module.common.lcm_client import LcmClient
from osm_policy_module.common.mon_client import MonClient
+from osm_policy_module.core.config import Config
from osm_policy_module.core.database import ScalingRecord, ScalingAlarm
log = logging.getLogger(__name__)
log.info("Creating alarm record in DB")
alarm_uuid = mon_client.create_alarm(
metric_name=config.metric_name,
- resource_uuid=config.resource_uuid,
- vim_uuid=config.vim_uuid,
+ ns_id=scaling_record.nsr_id,
+ vdu_name=config.vdu_name,
+ vnf_member_index=config.vnf_member_index,
threshold=config.threshold,
operation=config.operation,
statistic=config.statistic
if message.key == 'notify_alarm':
content = json.loads(message.value)
alarm_id = content['notify_details']['alarm_uuid']
- alarm = ScalingAlarm.select().where(ScalingAlarm.alarm_id == alarm_id).get()
- if alarm:
+ metric_name = content['notify_details']['metric_name']
+ operation = content['notify_details']['operation']
+ threshold = content['notify_details']['threshold_value']
+ vdu_name = content['notify_details']['vdu_name']
+ vnf_member_index = content['notify_details']['vnf_member_index']
+ ns_id = content['notify_details']['ns_id']
+ log.info(
+ "Received alarm notification for alarm %s, \
+ metric %s, \
+ operation %s, \
+ threshold %s, \
+ vdu_name %s, \
+ vnf_member_index %s, \
+ ns_id %s ",
+ alarm_id, metric_name, operation, threshold, vdu_name, vnf_member_index, ns_id)
+ try:
+ alarm = ScalingAlarm.select().where(ScalingAlarm.alarm_id == alarm_id).get()
lcm_client = LcmClient()
log.info("Sending scaling action message for ns: %s", alarm_id)
lcm_client.scale(alarm.scaling_record.nsr_id, alarm.scaling_record.name, alarm.action)
+ except ScalingAlarm.DoesNotExist:
+ log.info("There is no action configured for alarm %.", alarm_id)
except Exception:
log.exception("Error consuming message: ")
- def _get_alarm_configs(self, message_content):
+ def _get_alarm_configs(self, message_content: Dict) -> List[AlarmConfig]:
scaling_criterias = message_content['scaling_group_descriptor']['scaling_policy']['scaling_criteria']
alarm_configs = []
for criteria in scaling_criterias:
scale_out_operation = criteria['scale_out_relational_operation']
scale_in_operation = criteria['scale_in_relational_operation']
statistic = criteria['monitoring_param']['aggregation_type']
- vim_uuid = ''
- resource_uuid = ''
+ vdu_name = ''
+ vnf_member_index = ''
if 'vdu_monitoring_param' in criteria['monitoring_param']:
- vim_uuid = criteria['monitoring_param']['vdu_monitoring_param']['vim_uuid']
- resource_uuid = criteria['monitoring_param']['vdu_monitoring_param']['resource_id']
+ vdu_name = criteria['monitoring_param']['vdu_monitoring_param']['vdu_name']
+ vnf_member_index = criteria['monitoring_param']['vdu_monitoring_param']['vnf_member_index']
metric_name = criteria['monitoring_param']['vdu_monitoring_param']['name']
if 'vnf_metric' in criteria['monitoring_param']:
# TODO vnf_metric
# TODO vdu_metric
continue
scale_out_alarm_config = AlarmConfig(metric_name,
- resource_uuid,
- vim_uuid,
+ vdu_name,
+ vnf_member_index,
scale_out_threshold,
scale_out_operation,
statistic,
'scale_out')
scale_in_alarm_config = AlarmConfig(metric_name,
- resource_uuid,
- vim_uuid,
+ vdu_name,
+ vnf_member_index,
scale_in_threshold,
scale_in_operation,
statistic,