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
28 from json
import JSONDecodeError
31 from aiokafka
import AIOKafkaProducer
, AIOKafkaConsumer
33 from osm_policy_module
.core
.config
import Config
35 log
= logging
.getLogger(__name__
)
39 def __init__(self
, config
: Config
, loop
=None):
40 self
.kafka_server
= "{}:{}".format(
41 config
.get("message", "host"), config
.get("message", "port")
44 loop
= asyncio
.get_event_loop()
47 async def create_alarm(
52 vnf_member_index
: str,
55 statistic
: str = "AVERAGE",
57 cor_id
= random
.randint(1, 10e7
)
58 msg
= self
._build
_create
_alarm
_payload
(
68 log
.debug("Sending create_alarm_request %s", msg
)
69 producer
= AIOKafkaProducer(
71 bootstrap_servers
=self
.kafka_server
,
72 key_serializer
=str.encode
,
73 value_serializer
=str.encode
,
75 await producer
.start()
77 await producer
.send_and_wait(
78 "alarm_request", key
="create_alarm_request", value
=json
.dumps(msg
)
82 log
.debug("Waiting for create_alarm_response...")
83 consumer
= AIOKafkaConsumer(
84 "alarm_response_" + str(cor_id
),
86 bootstrap_servers
=self
.kafka_server
,
87 key_deserializer
=bytes
.decode
,
88 value_deserializer
=bytes
.decode
,
89 auto_offset_reset
="earliest",
91 await consumer
.start()
94 async for message
in consumer
:
96 content
= json
.loads(message
.value
)
97 except JSONDecodeError
:
98 content
= yaml
.safe_load(message
.value
)
99 log
.debug("Received create_alarm_response %s", content
)
100 if content
["alarm_create_response"]["correlation_id"] == cor_id
:
101 if not content
["alarm_create_response"]["status"]:
102 raise ValueError("Error creating alarm in MON")
103 alarm_uuid
= content
["alarm_create_response"]["alarm_uuid"]
106 await consumer
.stop()
108 raise ValueError("No alarm deletion response from MON. Is MON up?")
111 async def delete_alarm(
112 self
, ns_id
: str, vnf_member_index
: str, vdu_name
: str, alarm_uuid
: str
114 cor_id
= random
.randint(1, 10e7
)
115 msg
= self
._build
_delete
_alarm
_payload
(
116 cor_id
, ns_id
, vdu_name
, vnf_member_index
, alarm_uuid
118 log
.debug("Sending delete_alarm_request %s", msg
)
119 producer
= AIOKafkaProducer(
121 bootstrap_servers
=self
.kafka_server
,
122 key_serializer
=str.encode
,
123 value_serializer
=str.encode
,
125 await producer
.start()
127 await producer
.send_and_wait(
128 "alarm_request", key
="delete_alarm_request", value
=json
.dumps(msg
)
131 await producer
.stop()
132 log
.debug("Waiting for delete_alarm_response...")
133 consumer
= AIOKafkaConsumer(
134 "alarm_response_" + str(cor_id
),
136 bootstrap_servers
=self
.kafka_server
,
137 key_deserializer
=bytes
.decode
,
138 value_deserializer
=bytes
.decode
,
139 auto_offset_reset
="earliest",
141 await consumer
.start()
144 async for message
in consumer
:
146 content
= json
.loads(message
.value
)
147 except JSONDecodeError
:
148 content
= yaml
.safe_load(message
.value
)
149 if content
["alarm_delete_response"]["correlation_id"] == cor_id
:
150 log
.debug("Received delete_alarm_response %s", content
)
151 if not content
["alarm_delete_response"]["status"]:
153 "Error deleting alarm in MON. Response status is False."
155 alarm_uuid
= content
["alarm_delete_response"]["alarm_uuid"]
158 await consumer
.stop()
160 raise ValueError("No alarm deletion response from MON. Is MON up?")
163 def _build_create_alarm_payload(
169 vnf_member_index
: str,
175 alarm_create_request
= {
176 "correlation_id": cor_id
,
177 "alarm_name": "osm_alarm_{}_{}_{}_{}".format(
178 ns_id
, vnf_member_index
, vdu_name
, metric_name
180 "metric_name": metric_name
,
181 "operation": operation
,
182 "severity": "critical",
183 "threshold_value": threshold
,
184 "statistic": statistic
,
187 "vdu_name": vdu_name
,
188 "vnf_member_index": vnf_member_index
,
192 "alarm_create_request": alarm_create_request
,
196 def _build_delete_alarm_payload(
201 vnf_member_index
: str,
204 alarm_delete_request
= {
205 "correlation_id": cor_id
,
206 "alarm_uuid": alarm_uuid
,
209 "vdu_name": vdu_name
,
210 "vnf_member_index": vnf_member_index
,
214 "alarm_delete_request": alarm_delete_request
,