e45787e52b46f52f8b02f2f5a82d3daa43814a91
1 # -*- coding: utf-8 -*-
3 # Copyright 2018 Whitestack, LLC
4 # *************************************************************
6 # This file is part of OSM Monitoring module
7 # All Rights Reserved to Whitestack, LLC
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
13 # http://www.apache.org/licenses/LICENSE-2.0
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
21 # For those usages not covered by the Apache License, Version 2.0 please
22 # contact: bdiaz@whitestack.com or glavado@whitestack.com
30 from osm_policy_module
.common
.common_db_client
import CommonDbClient
31 from osm_policy_module
.common
.lcm_client
import LcmClient
32 from osm_policy_module
.common
.mon_client
import MonClient
33 from osm_policy_module
.core
import database
34 from osm_policy_module
.core
.config
import Config
35 from osm_policy_module
.core
.database
import VnfAlarm
, VnfAlarmRepository
, AlarmActionRepository
36 from osm_policy_module
.core
.exceptions
import VdurNotFound
38 log
= logging
.getLogger(__name__
)
41 class AlarmingService
:
43 def __init__(self
, config
: Config
, loop
=None):
46 loop
= asyncio
.get_event_loop()
48 self
.db_client
= CommonDbClient(config
)
49 self
.mon_client
= MonClient(config
, loop
=self
.loop
)
50 self
.lcm_client
= LcmClient(config
, loop
=self
.loop
)
52 async def configure_vnf_alarms(self
, nsr_id
: str):
53 log
.info("Configuring vnf alarms for network service %s", nsr_id
)
57 with database
.db
.atomic():
58 vnfrs
= self
.db_client
.get_vnfrs(nsr_id
)
60 log
.debug("Processing vnfr: %s", vnfr
)
61 vnfd
= self
.db_client
.get_vnfd(vnfr
['vnfd-id'])
62 for vdur
in vnfr
['vdur']:
65 lambda vdu
: vdu
['id'] == vdur
['vdu-id-ref'],
70 alarm_descriptors
= vdu
['alarm']
71 for alarm_descriptor
in alarm_descriptors
:
73 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
79 log
.debug("vdu %s already has an alarm configured with same id %s", vdur
['name'],
80 alarm_descriptor
['alarm-id'])
82 except VnfAlarm
.DoesNotExist
:
84 vnf_monitoring_param
= next(
86 lambda param
: param
['id'] == alarm_descriptor
['vnf-monitoring-param-ref'],
87 vnfd
['monitoring-param'])
89 metric_name
= self
._get
_metric
_name
(vnf_monitoring_param
, vdur
, vnfd
)
90 alarm_uuid
= await self
.mon_client
.create_alarm(
91 metric_name
=metric_name
,
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']
99 alarm
= VnfAlarmRepository
.create(
100 alarm_id
=alarm_descriptor
['alarm-id'],
101 alarm_uuid
=alarm_uuid
,
103 vnf_member_index
=vnfr
['member-vnf-index-ref'],
104 vdu_name
=vdur
['name']
106 for action_type
in ['ok', 'insufficient-data', 'alarm']:
107 if 'actions' in alarm_descriptor
and action_type
in alarm_descriptor
['actions']:
108 for url
in alarm_descriptor
['actions'][action_type
]:
109 AlarmActionRepository
.create(
114 alarms_created
.append(alarm
)
116 except Exception as e
:
117 log
.exception("Error configuring VNF alarms:")
118 if len(alarms_created
) > 0:
119 log
.debug("Cleaning alarm resources in MON")
120 for alarm
in alarms_created
:
122 await self
.mon_client
.delete_alarm(alarm
.nsr_id
,
123 alarm
.vnf_member_index
,
127 log
.exception("Error deleting alarm in MON %s", alarm
.alarm_uuid
)
132 async def delete_orphaned_alarms(self
, nsr_id
):
133 log
.info("Deleting orphaned vnf alarms for network service %s", nsr_id
)
134 database
.db
.connect()
136 with database
.db
.atomic():
137 for alarm
in VnfAlarmRepository
.list(VnfAlarm
.nsr_id
== nsr_id
):
139 self
.db_client
.get_vdur(nsr_id
, alarm
.vnf_member_index
, alarm
.vdu_name
)
141 log
.debug("Deleting orphaned alarm %s", alarm
.alarm_uuid
)
143 await self
.mon_client
.delete_alarm(
145 alarm
.vnf_member_index
,
149 log
.exception("Error deleting alarm in MON %s", alarm
.alarm_uuid
)
150 alarm
.delete_instance()
151 except Exception as e
:
152 log
.exception("Error deleting orphaned alarms:")
157 async def delete_vnf_alarms(self
, nsr_id
):
158 log
.info("Deleting vnf alarms for network service %s", nsr_id
)
159 database
.db
.connect()
161 with database
.db
.atomic():
162 for alarm
in VnfAlarmRepository
.list(VnfAlarm
.nsr_id
== nsr_id
):
163 log
.debug("Deleting vnf alarm %s", alarm
.alarm_uuid
)
165 await self
.mon_client
.delete_alarm(
167 alarm
.vnf_member_index
,
171 log
.exception("Error deleting alarm in MON %s", alarm
.alarm_uuid
)
172 alarm
.delete_instance()
174 except Exception as e
:
175 log
.exception("Error deleting vnf alarms:")
180 async def handle_alarm(self
, alarm_uuid
: str, status
: str, payload
: dict):
181 database
.db
.connect()
183 with database
.db
.atomic():
184 alarm
= VnfAlarmRepository
.get(VnfAlarm
.alarm_uuid
== alarm_uuid
)
185 log
.debug("Handling vnf alarm %s with status %s", alarm
.alarm_id
, status
)
186 for action
in alarm
.actions
:
187 if action
.type == status
:
188 log
.info("Executing request to url %s for vnf alarm %s with status %s", action
.url
,
189 alarm
.alarm_id
, status
)
190 requests
.post(url
=action
.url
, json
=json
.dumps(payload
))
191 except VnfAlarm
.DoesNotExist
:
192 log
.debug("There is no alarming action configured for alarm %s.", alarm_uuid
)
196 def _get_metric_name(self
, vnf_monitoring_param
: dict, vdur
: dict, vnfd
: dict):
198 filter(lambda vdu
: vdu
['id'] == vdur
['vdu-id-ref'], vnfd
['vdu'])
200 if 'vdu-monitoring-param' in vnf_monitoring_param
:
201 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 nfvi_metric
= vdu_monitoring_param
['nfvi-metric']
206 if 'vdu-metric' in vnf_monitoring_param
:
207 vnf_metric_name
= vnf_monitoring_param
['vdu-metric']['vdu-metric-name-ref']
208 return vnf_metric_name
209 if 'vnf-metric' in vnf_monitoring_param
:
210 vnf_metric_name
= vnf_monitoring_param
['vnf-metric']['vnf-metric-name-ref']
211 return vnf_metric_name
212 raise ValueError('No metric name found for vnf_monitoring_param %s' % vnf_monitoring_param
['id'])