| 1 |
|
# -*- coding: utf-8 -*- |
| 2 |
|
|
| 3 |
|
# Copyright 2018 Whitestack, LLC |
| 4 |
|
# ************************************************************* |
| 5 |
|
|
| 6 |
|
# This file is part of OSM Monitoring module |
| 7 |
|
# All Rights Reserved to Whitestack, LLC |
| 8 |
|
|
| 9 |
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may |
| 10 |
|
# not use this file except in compliance with the License. You may obtain |
| 11 |
|
# a copy of the License at |
| 12 |
|
|
| 13 |
|
# http://www.apache.org/licenses/LICENSE-2.0 |
| 14 |
|
|
| 15 |
|
# Unless required by applicable law or agreed to in writing, software |
| 16 |
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 17 |
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 18 |
|
# License for the specific language governing permissions and limitations |
| 19 |
|
# under the License. |
| 20 |
|
|
| 21 |
|
# For those usages not covered by the Apache License, Version 2.0 please |
| 22 |
|
# contact: bdiaz@whitestack.com or glavado@whitestack.com |
| 23 |
|
## |
| 24 |
1 |
import asyncio |
| 25 |
1 |
import json |
| 26 |
1 |
import logging |
| 27 |
|
|
| 28 |
1 |
import requests |
| 29 |
|
|
| 30 |
1 |
from osm_policy_module.common.common_db_client import CommonDbClient |
| 31 |
1 |
from osm_policy_module.common.lcm_client import LcmClient |
| 32 |
1 |
from osm_policy_module.common.mon_client import MonClient |
| 33 |
1 |
from osm_policy_module.core import database |
| 34 |
1 |
from osm_policy_module.core.config import Config |
| 35 |
1 |
from osm_policy_module.core.database import VnfAlarm, VnfAlarmRepository, AlarmActionRepository |
| 36 |
1 |
from osm_policy_module.core.exceptions import VdurNotFound |
| 37 |
|
|
| 38 |
1 |
log = logging.getLogger(__name__) |
| 39 |
|
|
| 40 |
|
|
| 41 |
1 |
class AlarmingService: |
| 42 |
|
|
| 43 |
1 |
def __init__(self, config: Config, loop=None): |
| 44 |
1 |
self.conf = config |
| 45 |
1 |
if not loop: |
| 46 |
1 |
loop = asyncio.get_event_loop() |
| 47 |
1 |
self.loop = loop |
| 48 |
1 |
self.db_client = CommonDbClient(config) |
| 49 |
1 |
self.mon_client = MonClient(config, loop=self.loop) |
| 50 |
1 |
self.lcm_client = LcmClient(config, loop=self.loop) |
| 51 |
|
|
| 52 |
1 |
async def configure_vnf_alarms(self, nsr_id: str): |
| 53 |
1 |
log.info("Configuring vnf alarms for network service %s", nsr_id) |
| 54 |
1 |
alarms_created = [] |
| 55 |
1 |
database.db.connect() |
| 56 |
1 |
try: |
| 57 |
1 |
with database.db.atomic(): |
| 58 |
1 |
vnfrs = self.db_client.get_vnfrs(nsr_id) |
| 59 |
1 |
for vnfr in vnfrs: |
| 60 |
1 |
log.debug("Processing vnfr: %s", vnfr) |
| 61 |
1 |
vnfd = self.db_client.get_vnfd(vnfr['vnfd-id']) |
| 62 |
1 |
for vdur in vnfr['vdur']: |
| 63 |
1 |
vdu = next( |
| 64 |
|
filter( |
| 65 |
|
lambda vdu: vdu['id'] == vdur['vdu-id-ref'], |
| 66 |
|
vnfd['vdu'] |
| 67 |
|
) |
| 68 |
|
) |
| 69 |
1 |
if 'alarm' in vdu: |
| 70 |
1 |
alarm_descriptors = vdu['alarm'] |
| 71 |
1 |
for alarm_descriptor in alarm_descriptors: |
| 72 |
1 |
try: |
| 73 |
1 |
VnfAlarmRepository.get( |
| 74 |
|
VnfAlarm.alarm_id == alarm_descriptor['alarm-id'], |
| 75 |
|
VnfAlarm.vnf_member_index == vnfr['member-vnf-index-ref'], |
| 76 |
|
VnfAlarm.vdu_name == vdur['name'], |
| 77 |
|
VnfAlarm.nsr_id == nsr_id |
| 78 |
|
) |
| 79 |
0 |
log.debug("vdu %s already has an alarm configured with same id %s", vdur['name'], |
| 80 |
|
alarm_descriptor['alarm-id']) |
| 81 |
0 |
continue |
| 82 |
1 |
except VnfAlarm.DoesNotExist: |
| 83 |
1 |
pass |
| 84 |
1 |
vnf_monitoring_param = next( |
| 85 |
|
filter( |
| 86 |
|
lambda param: param['id'] == alarm_descriptor['vnf-monitoring-param-ref'], |
| 87 |
|
vnfd['monitoring-param']) |
| 88 |
|
) |
| 89 |
1 |
metric_name = self._get_metric_name(vnf_monitoring_param, vdur, vnfd) |
| 90 |
1 |
alarm_uuid = await self.mon_client.create_alarm( |
| 91 |
|
metric_name=metric_name, |
| 92 |
|
ns_id=nsr_id, |
| 93 |
|
vdu_name=vdur['name'], |
| 94 |
|
vnf_member_index=vnfr['member-vnf-index-ref'], |
| 95 |
|
threshold=alarm_descriptor['value'], |
| 96 |
|
operation=alarm_descriptor['operation'], |
| 97 |
|
statistic=vnf_monitoring_param['aggregation-type'] |
| 98 |
|
) |
| 99 |
1 |
alarm = VnfAlarmRepository.create( |
| 100 |
|
alarm_id=alarm_descriptor['alarm-id'], |
| 101 |
|
alarm_uuid=alarm_uuid, |
| 102 |
|
nsr_id=nsr_id, |
| 103 |
|
vnf_member_index=vnfr['member-vnf-index-ref'], |
| 104 |
|
vdu_name=vdur['name'] |
| 105 |
|
) |
| 106 |
1 |
for action_type in ['ok', 'insufficient-data', 'alarm']: |
| 107 |
1 |
if 'actions' in alarm_descriptor and action_type in alarm_descriptor['actions']: |
| 108 |
1 |
for url in alarm_descriptor['actions'][action_type]: |
| 109 |
1 |
AlarmActionRepository.create( |
| 110 |
|
type=action_type, |
| 111 |
|
url=url['url'], |
| 112 |
|
alarm=alarm |
| 113 |
|
) |
| 114 |
1 |
alarms_created.append(alarm) |
| 115 |
|
|
| 116 |
0 |
except Exception as e: |
| 117 |
0 |
log.exception("Error configuring VNF alarms:") |
| 118 |
0 |
if len(alarms_created) > 0: |
| 119 |
0 |
log.debug("Cleaning alarm resources in MON") |
| 120 |
0 |
for alarm in alarms_created: |
| 121 |
0 |
try: |
| 122 |
0 |
await self.mon_client.delete_alarm(alarm.nsr_id, |
| 123 |
|
alarm.vnf_member_index, |
| 124 |
|
alarm.vdu_name, |
| 125 |
|
alarm.alarm_uuid) |
| 126 |
0 |
except ValueError: |
| 127 |
0 |
log.exception("Error deleting alarm in MON %s", alarm.alarm_uuid) |
| 128 |
0 |
raise e |
| 129 |
|
finally: |
| 130 |
1 |
database.db.close() |
| 131 |
|
|
| 132 |
1 |
async def delete_orphaned_alarms(self, nsr_id): |
| 133 |
0 |
log.info("Deleting orphaned vnf alarms for network service %s", nsr_id) |
| 134 |
0 |
database.db.connect() |
| 135 |
0 |
try: |
| 136 |
0 |
with database.db.atomic(): |
| 137 |
0 |
for alarm in VnfAlarmRepository.list(VnfAlarm.nsr_id == nsr_id): |
| 138 |
0 |
try: |
| 139 |
0 |
self.db_client.get_vdur(nsr_id, alarm.vnf_member_index, alarm.vdu_name) |
| 140 |
0 |
except VdurNotFound: |
| 141 |
0 |
log.debug("Deleting orphaned alarm %s", alarm.alarm_uuid) |
| 142 |
0 |
try: |
| 143 |
0 |
await self.mon_client.delete_alarm( |
| 144 |
|
alarm.nsr_id, |
| 145 |
|
alarm.vnf_member_index, |
| 146 |
|
alarm.vdu_name, |
| 147 |
|
alarm.alarm_uuid) |
| 148 |
0 |
except ValueError: |
| 149 |
0 |
log.exception("Error deleting alarm in MON %s", alarm.alarm_uuid) |
| 150 |
0 |
alarm.delete_instance() |
| 151 |
0 |
except Exception as e: |
| 152 |
0 |
log.exception("Error deleting orphaned alarms:") |
| 153 |
0 |
raise e |
| 154 |
|
finally: |
| 155 |
0 |
database.db.close() |
| 156 |
|
|
| 157 |
1 |
async def delete_vnf_alarms(self, nsr_id): |
| 158 |
0 |
log.info("Deleting vnf alarms for network service %s", nsr_id) |
| 159 |
0 |
database.db.connect() |
| 160 |
0 |
try: |
| 161 |
0 |
with database.db.atomic(): |
| 162 |
0 |
for alarm in VnfAlarmRepository.list(VnfAlarm.nsr_id == nsr_id): |
| 163 |
0 |
log.debug("Deleting vnf alarm %s", alarm.alarm_uuid) |
| 164 |
0 |
try: |
| 165 |
0 |
await self.mon_client.delete_alarm( |
| 166 |
|
alarm.nsr_id, |
| 167 |
|
alarm.vnf_member_index, |
| 168 |
|
alarm.vdu_name, |
| 169 |
|
alarm.alarm_uuid) |
| 170 |
0 |
except ValueError: |
| 171 |
0 |
log.exception("Error deleting alarm in MON %s", alarm.alarm_uuid) |
| 172 |
0 |
alarm.delete_instance() |
| 173 |
|
|
| 174 |
0 |
except Exception as e: |
| 175 |
0 |
log.exception("Error deleting vnf alarms:") |
| 176 |
0 |
raise e |
| 177 |
|
finally: |
| 178 |
0 |
database.db.close() |
| 179 |
|
|
| 180 |
1 |
async def handle_alarm(self, alarm_uuid: str, status: str, payload: dict): |
| 181 |
1 |
database.db.connect() |
| 182 |
1 |
try: |
| 183 |
1 |
with database.db.atomic(): |
| 184 |
1 |
alarm = VnfAlarmRepository.get(VnfAlarm.alarm_uuid == alarm_uuid) |
| 185 |
1 |
log.debug("Handling vnf alarm %s with status %s", alarm.alarm_id, status) |
| 186 |
1 |
for action in alarm.actions: |
| 187 |
1 |
if action.type == status: |
| 188 |
1 |
log.info("Executing request to url %s for vnf alarm %s with status %s", action.url, |
| 189 |
|
alarm.alarm_id, status) |
| 190 |
1 |
requests.post(url=action.url, json=json.dumps(payload)) |
| 191 |
0 |
except VnfAlarm.DoesNotExist: |
| 192 |
0 |
log.debug("There is no alarming action configured for alarm %s.", alarm_uuid) |
| 193 |
|
finally: |
| 194 |
1 |
database.db.close() |
| 195 |
|
|
| 196 |
1 |
def _get_metric_name(self, vnf_monitoring_param: dict, vdur: dict, vnfd: dict): |
| 197 |
1 |
vdu = next( |
| 198 |
|
filter(lambda vdu: vdu['id'] == vdur['vdu-id-ref'], vnfd['vdu']) |
| 199 |
|
) |
| 200 |
1 |
if 'vdu-monitoring-param' in vnf_monitoring_param: |
| 201 |
1 |
vdu_monitoring_param = next(filter( |
| 202 |
|
lambda param: param['id'] == vnf_monitoring_param['vdu-monitoring-param'][ |
| 203 |
|
'vdu-monitoring-param-ref'], vdu['monitoring-param'])) |
| 204 |
1 |
nfvi_metric = vdu_monitoring_param['nfvi-metric'] |
| 205 |
1 |
return nfvi_metric |
| 206 |
0 |
if 'vdu-metric' in vnf_monitoring_param: |
| 207 |
0 |
vnf_metric_name = vnf_monitoring_param['vdu-metric']['vdu-metric-name-ref'] |
| 208 |
0 |
return vnf_metric_name |
| 209 |
0 |
if 'vnf-metric' in vnf_monitoring_param: |
| 210 |
0 |
vnf_metric_name = vnf_monitoring_param['vnf-metric']['vnf-metric-name-ref'] |
| 211 |
0 |
return vnf_metric_name |
| 212 |
0 |
raise ValueError('No metric name found for vnf_monitoring_param %s' % vnf_monitoring_param['id']) |
![[Jenkins]](/jenkins/static/c06f6c43/images/jenkins-header-logo-v2.svg){kind=logo}
