1 # -*- coding: utf-8 -*-
2 # pylint: disable=no-member
4 # Copyright 2018 Whitestack, LLC
5 # *************************************************************
7 # This file is part of OSM Monitoring module
8 # All Rights Reserved to Whitestack, LLC
10 # Licensed under the Apache License, Version 2.0 (the "License"); you may
11 # not use this file except in compliance with the License. You may obtain
12 # a copy of the License at
14 # http://www.apache.org/licenses/LICENSE-2.0
16 # Unless required by applicable law or agreed to in writing, software
17 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
18 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
19 # License for the specific language governing permissions and limitations
22 # For those usages not covered by the Apache License, Version 2.0 please
23 # contact: bdiaz@whitestack.com or glavado@whitestack.com
30 from requests
.exceptions
import ConnectionError
32 from osm_policy_module
.common
.common_db_client
import CommonDbClient
33 from osm_policy_module
.common
.lcm_client
import LcmClient
34 from osm_policy_module
.common
.mon_client
import MonClient
35 from osm_policy_module
.core
import database
36 from osm_policy_module
.core
.config
import Config
37 from osm_policy_module
.core
.database
import VnfAlarm
, VnfAlarmRepository
, AlarmActionRepository
38 from osm_policy_module
.core
.exceptions
import VdurNotFound
40 log
= logging
.getLogger(__name__
)
43 class AlarmingService
:
45 def __init__(self
, config
: Config
, loop
=None):
48 loop
= asyncio
.get_event_loop()
50 self
.db_client
= CommonDbClient(config
)
51 self
.mon_client
= MonClient(config
, loop
=self
.loop
)
52 self
.lcm_client
= LcmClient(config
, loop
=self
.loop
)
54 async def configure_vnf_alarms(self
, nsr_id
: str):
55 log
.info("Configuring vnf alarms for network service %s", nsr_id
)
59 with database
.db
.atomic():
60 vnfrs
= self
.db_client
.get_vnfrs(nsr_id
)
62 log
.debug("Processing vnfr: %s", vnfr
)
63 vnfd
= self
.db_client
.get_vnfd(vnfr
['vnfd-id'])
64 for vdur
in vnfr
['vdur']:
67 lambda vdu
: vdu
['id'] == vdur
['vdu-id-ref'],
72 alarm_descriptors
= vdu
['alarm']
73 for alarm_descriptor
in alarm_descriptors
:
75 VnfAlarmRepository
.get(
76 VnfAlarm
.alarm_id
== alarm_descriptor
['alarm-id'],
77 VnfAlarm
.vnf_member_index
== vnfr
['member-vnf-index-ref'],
78 VnfAlarm
.vdu_name
== vdur
['name'],
79 VnfAlarm
.nsr_id
== nsr_id
81 log
.debug("vdu %s already has an alarm configured with same id %s", vdur
['name'],
82 alarm_descriptor
['alarm-id'])
84 except VnfAlarm
.DoesNotExist
:
86 vnf_monitoring_param
= next(
88 lambda param
: param
['id'] == alarm_descriptor
['vnf-monitoring-param-ref'],
89 vdu
.get('monitoring-parameter', [])
93 metric_name
= self
._get
_metric
_name
(vnf_monitoring_param
)
94 alarm_uuid
= await self
.mon_client
.create_alarm(
95 metric_name
=metric_name
,
97 vdu_name
=vdur
['name'],
98 vnf_member_index
=vnfr
['member-vnf-index-ref'],
99 threshold
=alarm_descriptor
['value'],
100 operation
=alarm_descriptor
['operation']
102 alarm
= VnfAlarmRepository
.create(
103 alarm_id
=alarm_descriptor
['alarm-id'],
104 alarm_uuid
=alarm_uuid
,
106 vnf_member_index
=vnfr
['member-vnf-index-ref'],
107 vdu_name
=vdur
['name']
109 for action_type
in ['ok', 'insufficient-data', 'alarm']:
110 if 'actions' in alarm_descriptor
and action_type
in alarm_descriptor
['actions']:
111 for url
in alarm_descriptor
['actions'][action_type
]:
112 AlarmActionRepository
.create(
117 alarms_created
.append(alarm
)
119 except Exception as e
:
120 log
.exception("Error configuring VNF alarms:")
121 if len(alarms_created
) > 0:
122 log
.debug("Cleaning alarm resources in MON")
123 for alarm
in alarms_created
:
125 await self
.mon_client
.delete_alarm(alarm
.nsr_id
,
126 alarm
.vnf_member_index
,
130 log
.exception("Error deleting alarm in MON %s", alarm
.alarm_uuid
)
135 async def delete_orphaned_alarms(self
, nsr_id
):
136 # TODO: Review as it seems this code is never called
137 log
.info("Deleting orphaned vnf alarms for network service %s", nsr_id
)
138 database
.db
.connect()
140 with database
.db
.atomic():
141 for alarm
in VnfAlarmRepository
.list(VnfAlarm
.nsr_id
== nsr_id
):
143 self
.db_client
.get_vdur(nsr_id
, alarm
.vnf_member_index
, alarm
.vdu_name
)
145 log
.debug("Deleting orphaned alarm %s", alarm
.alarm_uuid
)
147 await self
.mon_client
.delete_alarm(
149 alarm
.vnf_member_index
,
153 log
.exception("Error deleting alarm in MON %s", alarm
.alarm_uuid
)
154 alarm
.delete_instance()
155 except Exception as e
:
156 log
.exception("Error deleting orphaned alarms:")
161 async def delete_vnf_alarms(self
, nsr_id
):
162 log
.info("Deleting vnf alarms for network service %s", nsr_id
)
163 database
.db
.connect()
165 with database
.db
.atomic():
166 for alarm
in VnfAlarmRepository
.list(VnfAlarm
.nsr_id
== nsr_id
):
167 log
.debug("Deleting vnf alarm %s", alarm
.alarm_uuid
)
169 await self
.mon_client
.delete_alarm(
171 alarm
.vnf_member_index
,
175 log
.exception("Error deleting alarm in MON %s", alarm
.alarm_uuid
)
176 alarm
.delete_instance()
178 except Exception as e
:
179 log
.exception("Error deleting vnf alarms:")
184 async def handle_alarm(self
, alarm_uuid
: str, status
: str, payload
: dict):
185 database
.db
.connect()
187 with database
.db
.atomic():
188 alarm
= VnfAlarmRepository
.get(VnfAlarm
.alarm_uuid
== alarm_uuid
)
189 log
.debug("Handling vnf alarm %s with status %s", alarm
.alarm_id
, status
)
190 for action
in alarm
.actions
:
191 if action
.type == status
:
192 log
.info("Executing request to url %s for vnf alarm %s with status %s", action
.url
,
193 alarm
.alarm_id
, status
)
195 requests
.post(url
=action
.url
, json
=json
.dumps(payload
))
196 except ConnectionError
:
197 log
.exception("Error connecting to url %s", action
.url
)
199 except VnfAlarm
.DoesNotExist
:
200 log
.debug("There is no alarming action configured for alarm %s.", alarm_uuid
)
204 def _get_metric_name(self
, vnf_monitoring_param
: dict):
205 if 'performance-metric' in vnf_monitoring_param
:
206 return vnf_monitoring_param
['performance-metric']
207 raise ValueError('No metric name found for vnf_monitoring_param %s' % vnf_monitoring_param
['id'])