| 1 |
|
# -*- coding: utf-8 -*- |
| 2 |
|
|
| 3 |
|
# Copyright 2018 Whitestack, LLC |
| 4 |
|
# ************************************************************* |
| 5 |
|
|
| 6 |
|
# This file is part of OSM Monitoring module |
| 7 |
|
# All Rights Reserved to Whitestack, LLC |
| 8 |
|
|
| 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 |
| 12 |
|
|
| 13 |
|
# http://www.apache.org/licenses/LICENSE-2.0 |
| 14 |
|
|
| 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 |
| 19 |
|
# under the License. |
| 20 |
|
|
| 21 |
|
# For those usages not covered by the Apache License, Version 2.0 please |
| 22 |
|
# contact: bdiaz@whitestack.com or glavado@whitestack.com |
| 23 |
|
## |
| 24 |
1 |
import asyncio |
| 25 |
1 |
import logging |
| 26 |
1 |
from pathlib import Path |
| 27 |
1 |
import os |
| 28 |
|
|
| 29 |
1 |
import peewee |
| 30 |
|
|
| 31 |
1 |
from osm_policy_module.alarming.service import AlarmingService |
| 32 |
1 |
from osm_policy_module.autoscaling.service import AutoscalingService |
| 33 |
1 |
from osm_policy_module.healing.service import HealingService |
| 34 |
1 |
from osm_policy_module.common.common_db_client import CommonDbClient |
| 35 |
1 |
from osm_policy_module.common.message_bus_client import MessageBusClient |
| 36 |
1 |
from osm_policy_module.core.config import Config |
| 37 |
|
|
| 38 |
1 |
log = logging.getLogger(__name__) |
| 39 |
|
|
| 40 |
1 |
ALLOWED_KAFKA_KEYS = [ |
| 41 |
|
"instantiated", |
| 42 |
|
"scaled", |
| 43 |
|
"terminated", |
| 44 |
|
"notify_alarm", |
| 45 |
|
"policy_updated", |
| 46 |
|
"vnf_terminated", |
| 47 |
|
] |
| 48 |
|
|
| 49 |
|
|
| 50 |
1 |
class PolicyModuleAgent: |
| 51 |
1 |
def __init__(self, config: Config, loop=None): |
| 52 |
1 |
self.conf = config |
| 53 |
1 |
if not loop: |
| 54 |
0 |
loop = asyncio.get_event_loop() |
| 55 |
1 |
self.loop = loop |
| 56 |
1 |
self.msg_bus = MessageBusClient(config) |
| 57 |
1 |
self.db_client = CommonDbClient(config) |
| 58 |
1 |
self.autoscaling_service = AutoscalingService(config, loop) |
| 59 |
1 |
self.alarming_service = AlarmingService(config, loop) |
| 60 |
1 |
self.healing_service = HealingService(config, loop) |
| 61 |
|
|
| 62 |
1 |
def run(self): |
| 63 |
0 |
self.loop.run_until_complete(self.start()) |
| 64 |
|
|
| 65 |
1 |
async def start(self): |
| 66 |
0 |
Path("/tmp/osm_pol_agent_health_flag").touch() |
| 67 |
0 |
topics = ["ns", "alarm_response"] |
| 68 |
0 |
await self.msg_bus.aioread(topics, self._process_msg) |
| 69 |
0 |
log.critical("Exiting...") |
| 70 |
0 |
if os.path.exists("/tmp/osm_pol_agent_health_flag"): |
| 71 |
0 |
os.remove("/tmp/osm_pol_agent_health_flag") |
| 72 |
|
|
| 73 |
1 |
async def _process_msg(self, topic, key, msg): |
| 74 |
0 |
Path("/tmp/osm_pol_agent_health_flag").touch() |
| 75 |
0 |
log.debug("_process_msg topic=%s key=%s msg=%s", topic, key, msg) |
| 76 |
0 |
try: |
| 77 |
0 |
if key in ALLOWED_KAFKA_KEYS: |
| 78 |
0 |
if key == "instantiated": |
| 79 |
0 |
await self._handle_instantiated(msg) |
| 80 |
|
|
| 81 |
0 |
if key == "scaled": |
| 82 |
0 |
await self._handle_scaled(msg) |
| 83 |
|
|
| 84 |
0 |
if key == "terminated": |
| 85 |
0 |
await self._handle_terminated(msg) |
| 86 |
|
|
| 87 |
0 |
if key == "notify_alarm": |
| 88 |
0 |
await self._handle_alarm_notification(msg) |
| 89 |
|
|
| 90 |
0 |
if key == "policy_updated": |
| 91 |
0 |
await self._handle_policy_update(msg) |
| 92 |
|
|
| 93 |
0 |
if key == "vnf_terminated": |
| 94 |
0 |
await self._handle_vnf_terminated(msg) |
| 95 |
|
else: |
| 96 |
0 |
log.debug("Key %s is not in ALLOWED_KAFKA_KEYS", key) |
| 97 |
0 |
except peewee.PeeweeException: |
| 98 |
0 |
log.exception("Database error consuming message: ") |
| 99 |
0 |
raise |
| 100 |
0 |
except Exception: |
| 101 |
0 |
log.exception("Error consuming message: ") |
| 102 |
|
|
| 103 |
1 |
async def _handle_alarm_notification(self, content): |
| 104 |
1 |
log.debug("_handle_alarm_notification: %s", content) |
| 105 |
1 |
alarm_uuid = content["notify_details"]["alarm_uuid"] |
| 106 |
1 |
status = content["notify_details"]["status"] |
| 107 |
1 |
await self.autoscaling_service.handle_alarm(alarm_uuid, status) |
| 108 |
1 |
await self.alarming_service.handle_alarm(alarm_uuid, status, content) |
| 109 |
1 |
await self.healing_service.handle_alarm(alarm_uuid, status) |
| 110 |
|
|
| 111 |
1 |
async def _handle_instantiated(self, content): |
| 112 |
1 |
log.debug("_handle_instantiated: %s", content) |
| 113 |
1 |
nslcmop_id = content["nslcmop_id"] |
| 114 |
1 |
nslcmop = self.db_client.get_nslcmop(nslcmop_id) |
| 115 |
1 |
if ( |
| 116 |
|
nslcmop["operationState"] == "COMPLETED" |
| 117 |
|
or nslcmop["operationState"] == "PARTIALLY_COMPLETED" |
| 118 |
|
): |
| 119 |
1 |
nsr_id = nslcmop["nsInstanceId"] |
| 120 |
1 |
log.info("Configuring nsr_id: %s", nsr_id) |
| 121 |
1 |
await self.autoscaling_service.configure_scaling_groups(nsr_id) |
| 122 |
1 |
await self.alarming_service.configure_vnf_alarms(nsr_id) |
| 123 |
1 |
await self.healing_service.configure_healing_alarms(nsr_id) |
| 124 |
|
else: |
| 125 |
1 |
log.info( |
| 126 |
|
"Network_service is not in COMPLETED or PARTIALLY_COMPLETED state. " |
| 127 |
|
"Current state is %s. Skipping...", |
| 128 |
|
nslcmop["operationState"], |
| 129 |
|
) |
| 130 |
|
|
| 131 |
1 |
async def _handle_scaled(self, content): |
| 132 |
0 |
log.debug("_handle_scaled: %s", content) |
| 133 |
0 |
nslcmop_id = content["nslcmop_id"] |
| 134 |
0 |
nslcmop = self.db_client.get_nslcmop(nslcmop_id) |
| 135 |
0 |
if ( |
| 136 |
|
nslcmop["operationState"] == "COMPLETED" |
| 137 |
|
or nslcmop["operationState"] == "PARTIALLY_COMPLETED" |
| 138 |
|
): |
| 139 |
0 |
nsr_id = nslcmop["nsInstanceId"] |
| 140 |
0 |
log.info("Configuring scaled service with nsr_id: %s", nsr_id) |
| 141 |
0 |
await self.autoscaling_service.configure_scaling_groups(nsr_id) |
| 142 |
0 |
await self.autoscaling_service.delete_orphaned_alarms(nsr_id) |
| 143 |
0 |
await self.alarming_service.configure_vnf_alarms(nsr_id) |
| 144 |
0 |
await self.healing_service.configure_healing_alarms(nsr_id) |
| 145 |
0 |
await self.healing_service.delete_orphaned_healing_alarms(nsr_id) |
| 146 |
|
else: |
| 147 |
0 |
log.debug( |
| 148 |
|
"Network service is not in COMPLETED or PARTIALLY_COMPLETED state. " |
| 149 |
|
"Current state is %s. Skipping...", |
| 150 |
|
nslcmop["operationState"], |
| 151 |
|
) |
| 152 |
|
|
| 153 |
1 |
async def _handle_terminated(self, content): |
| 154 |
0 |
log.debug("_handle_deleted: %s", content) |
| 155 |
0 |
nsr_id = content["nsr_id"] |
| 156 |
0 |
if ( |
| 157 |
|
content["operationState"] == "COMPLETED" |
| 158 |
|
or content["operationState"] == "PARTIALLY_COMPLETED" |
| 159 |
|
): |
| 160 |
0 |
log.info( |
| 161 |
|
"Deleting scaling groups and alarms for network autoscaling_service with nsr_id: %s", |
| 162 |
|
nsr_id, |
| 163 |
|
) |
| 164 |
0 |
await self.autoscaling_service.delete_scaling_groups(nsr_id) |
| 165 |
0 |
await self.alarming_service.delete_vnf_alarms(nsr_id) |
| 166 |
0 |
await self.healing_service.delete_healing_alarms(nsr_id) |
| 167 |
|
else: |
| 168 |
0 |
log.info( |
| 169 |
|
"Network service is not in COMPLETED or PARTIALLY_COMPLETED state. " |
| 170 |
|
"Current state is %s. Skipping...", |
| 171 |
|
content["operationState"], |
| 172 |
|
) |
| 173 |
|
|
| 174 |
1 |
async def _handle_policy_update(self, content): |
| 175 |
1 |
log.info("_handle_policy_update: %s", content) |
| 176 |
1 |
nsr_id = content["nsr_id"] |
| 177 |
1 |
vnf_member_index = content["vnf_member_index"] |
| 178 |
1 |
if ( |
| 179 |
|
content["operationState"] == "COMPLETED" |
| 180 |
|
or content["operationState"] == "PARTIALLY_COMPLETED" |
| 181 |
|
): |
| 182 |
1 |
log.info( |
| 183 |
|
"Updating policies of VNF with nsr_id: %s and vnf-member-index: %s" |
| 184 |
|
% (nsr_id, vnf_member_index) |
| 185 |
|
) |
| 186 |
1 |
await self.autoscaling_service.delete_scaling_groups( |
| 187 |
|
nsr_id, vnf_member_index |
| 188 |
|
) |
| 189 |
1 |
await self.alarming_service.delete_vnf_alarms(nsr_id, vnf_member_index) |
| 190 |
1 |
await self.autoscaling_service.configure_scaling_groups( |
| 191 |
|
nsr_id, vnf_member_index |
| 192 |
|
) |
| 193 |
1 |
await self.alarming_service.configure_vnf_alarms(nsr_id, vnf_member_index) |
| 194 |
|
else: |
| 195 |
1 |
log.info( |
| 196 |
|
"Network service is not in COMPLETED or PARTIALLY_COMPLETED state. " |
| 197 |
|
"Current state is %s. Skipping...", |
| 198 |
|
content["operationState"], |
| 199 |
|
) |
| 200 |
|
|
| 201 |
1 |
async def _handle_vnf_terminated(self, content): |
| 202 |
1 |
nsr_id = content["nsr_id"] |
| 203 |
1 |
vnf_member_index = content["vnf_member_index"] |
| 204 |
1 |
if ( |
| 205 |
|
content["operationState"] == "COMPLETED" |
| 206 |
|
or content["operationState"] == "PARTIALLY_COMPLETED" |
| 207 |
|
): |
| 208 |
1 |
log.info( |
| 209 |
|
"Deleting policies of VNF with nsr_id: %s and vnf-member-index: %s" |
| 210 |
|
% (nsr_id, vnf_member_index) |
| 211 |
|
) |
| 212 |
1 |
await self.autoscaling_service.delete_scaling_groups( |
| 213 |
|
nsr_id, vnf_member_index |
| 214 |
|
) |
| 215 |
1 |
await self.alarming_service.delete_vnf_alarms(nsr_id, vnf_member_index) |
| 216 |
|
else: |
| 217 |
1 |
log.info( |
| 218 |
|
"Network service is not in COMPLETED or PARTIALLY_COMPLETED state. " |
| 219 |
|
"Current state is %s. Skipping...", |
| 220 |
|
content["operationState"], |
| 221 |
|
) |
![[Jenkins]](/jenkins/static/c06f6c43/images/jenkins-header-logo-v2.svg){kind=logo}
