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
26 from pathlib
import Path
31 from osm_policy_module
.alarming
.service
import AlarmingService
32 from osm_policy_module
.autoscaling
.service
import AutoscalingService
33 from osm_policy_module
.healing
.service
import HealingService
34 from osm_policy_module
.common
.common_db_client
import CommonDbClient
35 from osm_policy_module
.common
.message_bus_client
import MessageBusClient
36 from osm_policy_module
.core
.config
import Config
38 log
= logging
.getLogger(__name__
)
40 ALLOWED_KAFKA_KEYS
= ["instantiated", "scaled", "terminated", "notify_alarm", "policy_updated", "vnf_terminated"]
43 class PolicyModuleAgent
:
44 def __init__(self
, config
: Config
, loop
=None):
47 loop
= asyncio
.get_event_loop()
49 self
.msg_bus
= MessageBusClient(config
)
50 self
.db_client
= CommonDbClient(config
)
51 self
.autoscaling_service
= AutoscalingService(config
, loop
)
52 self
.alarming_service
= AlarmingService(config
, loop
)
53 self
.healing_service
= HealingService(config
, loop
)
56 self
.loop
.run_until_complete(self
.start())
58 async def start(self
):
59 Path("/tmp/osm_pol_agent_health_flag").touch()
60 topics
= ["ns", "alarm_response"]
61 await self
.msg_bus
.aioread(topics
, self
._process
_msg
)
62 log
.critical("Exiting...")
63 if os
.path
.exists("/tmp/osm_pol_agent_health_flag"):
64 os
.remove("/tmp/osm_pol_agent_health_flag")
66 async def _process_msg(self
, topic
, key
, msg
):
67 Path("/tmp/osm_pol_agent_health_flag").touch()
68 log
.debug("_process_msg topic=%s key=%s msg=%s", topic
, key
, msg
)
70 if key
in ALLOWED_KAFKA_KEYS
:
72 if key
== "instantiated":
73 await self
._handle
_instantiated
(msg
)
76 await self
._handle
_scaled
(msg
)
78 if key
== "terminated":
79 await self
._handle
_terminated
(msg
)
81 if key
== "notify_alarm":
82 await self
._handle
_alarm
_notification
(msg
)
84 if key
== "policy_updated":
85 await self
._handle
_policy
_update
(msg
)
87 if key
== "vnf_terminated":
88 await self
._handle
_vnf
_terminated
(msg
)
90 log
.debug("Key %s is not in ALLOWED_KAFKA_KEYS", key
)
91 except peewee
.PeeweeException
:
92 log
.exception("Database error consuming message: ")
95 log
.exception("Error consuming message: ")
97 async def _handle_alarm_notification(self
, content
):
98 log
.debug("_handle_alarm_notification: %s", content
)
99 alarm_uuid
= content
["notify_details"]["alarm_uuid"]
100 status
= content
["notify_details"]["status"]
101 await self
.autoscaling_service
.handle_alarm(alarm_uuid
, status
)
102 await self
.alarming_service
.handle_alarm(alarm_uuid
, status
, content
)
103 await self
.healing_service
.handle_alarm(alarm_uuid
, status
)
105 async def _handle_instantiated(self
, content
):
106 log
.debug("_handle_instantiated: %s", content
)
107 nslcmop_id
= content
["nslcmop_id"]
108 nslcmop
= self
.db_client
.get_nslcmop(nslcmop_id
)
110 nslcmop
["operationState"] == "COMPLETED"
111 or nslcmop
["operationState"] == "PARTIALLY_COMPLETED"
113 nsr_id
= nslcmop
["nsInstanceId"]
114 log
.info("Configuring nsr_id: %s", nsr_id
)
115 await self
.autoscaling_service
.configure_scaling_groups(nsr_id
)
116 await self
.alarming_service
.configure_vnf_alarms(nsr_id
)
117 await self
.healing_service
.configure_healing_alarms(nsr_id
)
120 "Network_service is not in COMPLETED or PARTIALLY_COMPLETED state. "
121 "Current state is %s. Skipping...",
122 nslcmop
["operationState"],
125 async def _handle_scaled(self
, content
):
126 log
.debug("_handle_scaled: %s", content
)
127 nslcmop_id
= content
["nslcmop_id"]
128 nslcmop
= self
.db_client
.get_nslcmop(nslcmop_id
)
130 nslcmop
["operationState"] == "COMPLETED"
131 or nslcmop
["operationState"] == "PARTIALLY_COMPLETED"
133 nsr_id
= nslcmop
["nsInstanceId"]
134 log
.info("Configuring scaled service with nsr_id: %s", nsr_id
)
135 await self
.autoscaling_service
.configure_scaling_groups(nsr_id
)
136 await self
.autoscaling_service
.delete_orphaned_alarms(nsr_id
)
137 await self
.alarming_service
.configure_vnf_alarms(nsr_id
)
138 await self
.healing_service
.configure_healing_alarms(nsr_id
)
139 await self
.healing_service
.delete_orphaned_healing_alarms(nsr_id
)
142 "Network service is not in COMPLETED or PARTIALLY_COMPLETED state. "
143 "Current state is %s. Skipping...",
144 nslcmop
["operationState"],
147 async def _handle_terminated(self
, content
):
148 log
.debug("_handle_deleted: %s", content
)
149 nsr_id
= content
["nsr_id"]
151 content
["operationState"] == "COMPLETED"
152 or content
["operationState"] == "PARTIALLY_COMPLETED"
155 "Deleting scaling groups and alarms for network autoscaling_service with nsr_id: %s",
158 await self
.autoscaling_service
.delete_scaling_groups(nsr_id
)
159 await self
.alarming_service
.delete_vnf_alarms(nsr_id
)
160 await self
.healing_service
.delete_healing_alarms(nsr_id
)
163 "Network service is not in COMPLETED or PARTIALLY_COMPLETED state. "
164 "Current state is %s. Skipping...",
165 content
["operationState"],
168 async def _handle_policy_update(self
, content
):
169 log
.info("_handle_policy_update: %s", content
)
170 nsr_id
= content
['nsr_id']
171 vnf_member_index
= content
['vnf_member_index']
173 content
["operationState"] == "COMPLETED"
174 or content
["operationState"] == "PARTIALLY_COMPLETED"
177 "Updating policies of VNF with nsr_id: %s and vnf-member-index: %s"
178 % (nsr_id
, vnf_member_index
))
179 await self
.autoscaling_service
.delete_scaling_groups(nsr_id
, vnf_member_index
)
180 await self
.alarming_service
.delete_vnf_alarms(nsr_id
, vnf_member_index
)
181 await self
.autoscaling_service
.configure_scaling_groups(nsr_id
, vnf_member_index
)
182 await self
.alarming_service
.configure_vnf_alarms(nsr_id
, vnf_member_index
)
185 "Network service is not in COMPLETED or PARTIALLY_COMPLETED state. "
186 "Current state is %s. Skipping...",
187 content
['operationState'])
189 async def _handle_vnf_terminated(self
, content
):
190 nsr_id
= content
['nsr_id']
191 vnf_member_index
= content
['vnf_member_index']
193 content
["operationState"] == "COMPLETED"
194 or content
["operationState"] == "PARTIALLY_COMPLETED"
197 "Deleting policies of VNF with nsr_id: %s and vnf-member-index: %s"
198 % (nsr_id
, vnf_member_index
))
199 await self
.autoscaling_service
.delete_scaling_groups(nsr_id
, vnf_member_index
)
200 await self
.alarming_service
.delete_vnf_alarms(nsr_id
, vnf_member_index
)
203 "Network service is not in COMPLETED or PARTIALLY_COMPLETED state. "
204 "Current state is %s. Skipping...",
205 content
['operationState'])