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 alarm_uuid
= await self
.mon_client
.create_alarm(
90 metric_name
=alarm_descriptor
['vnf-monitoring-param-ref'],
92 vdu_name
=vdur
['name'],
93 vnf_member_index
=vnfr
['member-vnf-index-ref'],
94 threshold
=alarm_descriptor
['value'],
95 operation
=alarm_descriptor
['operation'],
96 statistic
=vnf_monitoring_param
['aggregation-type']
98 alarm
= VnfAlarmRepository
.create(
99 alarm_id
=alarm_descriptor
['alarm-id'],
100 alarm_uuid
=alarm_uuid
,
102 vnf_member_index
=vnfr
['member-vnf-index-ref'],
103 vdu_name
=vdur
['name']
105 for action_type
in ['ok', 'insufficient-data', 'alarm']:
106 if 'actions' in alarm_descriptor
and action_type
in alarm_descriptor
['actions']:
107 for url
in alarm_descriptor
['actions'][action_type
]:
108 AlarmActionRepository
.create(
113 alarms_created
.append(alarm
)
115 except Exception as e
:
116 log
.exception("Error configuring VNF alarms:")
117 if len(alarms_created
) > 0:
118 log
.debug("Cleaning alarm resources in MON")
119 for alarm
in alarms_created
:
121 await self
.mon_client
.delete_alarm(alarm
.nsr_id
,
122 alarm
.vnf_member_index
,
126 log
.exception("Error deleting alarm in MON %s", alarm
.alarm_uuid
)
131 async def delete_orphaned_alarms(self
, nsr_id
):
132 log
.info("Deleting orphaned vnf alarms for network service %s", nsr_id
)
133 database
.db
.connect()
135 with database
.db
.atomic():
136 for alarm
in VnfAlarmRepository
.list(VnfAlarm
.nsr_id
== nsr_id
):
138 self
.db_client
.get_vdur(nsr_id
, alarm
.vnf_member_index
, alarm
.vdu_name
)
140 log
.debug("Deleting orphaned alarm %s", alarm
.alarm_uuid
)
142 await self
.mon_client
.delete_alarm(
144 alarm
.vnf_member_index
,
148 log
.exception("Error deleting alarm in MON %s", alarm
.alarm_uuid
)
149 alarm
.delete_instance()
150 except Exception as e
:
151 log
.exception("Error deleting orphaned alarms:")
156 async def delete_vnf_alarms(self
, nsr_id
):
157 log
.info("Deleting vnf alarms for network service %s", nsr_id
)
158 database
.db
.connect()
160 with database
.db
.atomic():
161 for alarm
in VnfAlarmRepository
.list(VnfAlarm
.nsr_id
== nsr_id
):
162 log
.debug("Deleting vnf alarm %s", alarm
.alarm_uuid
)
164 await self
.mon_client
.delete_alarm(
166 alarm
.vnf_member_index
,
170 log
.exception("Error deleting alarm in MON %s", alarm
.alarm_uuid
)
171 alarm
.delete_instance()
173 except Exception as e
:
174 log
.exception("Error deleting vnf alarms:")
179 async def handle_alarm(self
, alarm_uuid
: str, status
: str, payload
: dict):
180 database
.db
.connect()
182 with database
.db
.atomic():
183 alarm
= VnfAlarmRepository
.get(VnfAlarm
.alarm_uuid
== alarm_uuid
)
184 log
.debug("Handling vnf alarm %s with status %s", alarm
.alarm_id
, status
)
185 for action
in alarm
.actions
:
186 if action
.type == status
:
187 log
.info("Executing request to url %s for vnf alarm %s with status %s", action
.url
,
188 alarm
.alarm_id
, status
)
189 requests
.post(url
=action
.url
, json
=json
.dumps(payload
))
190 except VnfAlarm
.DoesNotExist
:
191 log
.debug("There is no alarming action configured for alarm %s.", alarm_uuid
)