o2ims/service/auditor/alarm_handler.py

   1 # Copyright (C) 2022 Wind River Systems, Inc.
   2 #
   3 #  Licensed under the Apache License, Version 2.0 (the "License");
   4 #  you may not use this file except in compliance with the License.
   5 #  You may obtain a copy of the License at
   6 #
   7 #      http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 #  Unless required by applicable law or agreed to in writing, software
  10 #  distributed under the License is distributed on an "AS IS" BASIS,
  11 #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 #  See the License for the specific language governing permissions and
  13 #  limitations under the License.
  14
  15 # pylint: disable=unused-argument
  16 from __future__ import annotations
  17 import json
  18
  19 # from o2common.config import config
  20 # from o2common.service.messagebus import MessageBus
  21 from o2common.service.unit_of_work import AbstractUnitOfWork
  22 from o2ims.domain import events, commands, alarm_obj, ocloud
  23 from o2ims.domain.alarm_obj import AlarmEventRecord, FaultGenericModel,\
  24     AlarmNotificationEventEnum
  25
  26 from o2common.helper import o2logging
  27 logger = o2logging.get_logger(__name__)
  28
  29
  30 def update_alarm(
  31     cmd: commands.UpdateAlarm,
  32     uow: AbstractUnitOfWork
  33 ):
  34     fmobj = cmd.data
  35     logger.info("add alarm event record:" + fmobj.name
  36                 + " update_at: " + str(fmobj.updatetime)
  37                 + " id: " + str(fmobj.id)
  38                 + " hash: " + str(fmobj.hash))
  39     with uow:
  40         resourcepool = uow.resource_pools.get(cmd.parentid)
  41
  42         alarm_event_record = uow.alarm_event_records.get(fmobj.id)
  43         if not alarm_event_record:
  44             localmodel = create_by(fmobj)
  45             content = json.loads(fmobj.content)
  46             entity_type_id = content['entity_type_id']
  47             entity_instance_id = content['entity_instance_id']
  48             logger.info('alarm entity instance id: ' + entity_instance_id)
  49             if 'host' == entity_type_id:
  50                 # TODO: handle different resource type
  51                 hostname = entity_instance_id.split('.')[0].split('=')[1]
  52                 logger.debug('hostname: ' + hostname)
  53
  54                 restype = uow.resource_types.get_by_name('pserver')
  55                 localmodel.resourceTypeId = restype.resourceTypeId
  56                 args = [ocloud.Resource.resourceTypeId ==
  57                         restype.resourceTypeId]
  58                 hosts = uow.resources.list(resourcepool.resourcePoolId, *args)
  59                 for host in hosts:
  60                     logger.debug('host extensions: ' + host.extensions)
  61                     extensions = json.loads(host.extensions)
  62                     if extensions['hostname'] == hostname:
  63                         localmodel.resourceId = host.resourceId
  64                         break
  65                 else:
  66                     # Example would be when alarm has host=controller
  67                     # TODO: Handle host=controller better
  68                     logger.warning(
  69                         'Couldnt match alarm event '
  70                         f'to hostname for: {content}')
  71                     return
  72                 uow.alarm_event_records.add(localmodel)
  73                 logger.info("Add the alarm event record: " + fmobj.id
  74                             + ", name: " + fmobj.name)
  75             else:
  76                 restype = uow.resource_types.get_by_name('undefined_aggregate')
  77                 localmodel.resourceTypeId = restype.resourceTypeId
  78
  79                 args = [ocloud.Resource.resourceTypeId ==
  80                         restype.resourceTypeId]
  81                 undefined_res = uow.resources.list(
  82                     resourcepool.resourcePoolId, *args)
  83                 localmodel.resourceId = undefined_res[0].resourceId
  84                 uow.alarm_event_records.add(localmodel)
  85                 logger.info("Add the alarm event record: " + fmobj.id
  86                             + ", name: " + fmobj.name)
  87
  88         else:
  89             localmodel = alarm_event_record
  90             if is_outdated(localmodel, fmobj):
  91                 logger.info("update alarm event record:" + fmobj.name
  92                             + " update_at: " + str(fmobj.updatetime)
  93                             + " id: " + str(fmobj.id)
  94                             + " hash: " + str(fmobj.hash))
  95                 update_by(localmodel, fmobj)
  96                 uow.alarm_event_records.update(localmodel)
  97
  98             logger.info("Update the alarm event record: " + fmobj.id
  99                         + ", name: " + fmobj.name)
 100         uow.commit()
 101
 102
 103 def is_outdated(alarm_event_record: AlarmEventRecord,
 104                 fmobj: FaultGenericModel):
 105     return True if alarm_event_record.hash != fmobj.hash else False
 106
 107
 108 def create_by(fmobj: FaultGenericModel) -> AlarmEventRecord:
 109     content = json.loads(fmobj.content)
 110     # globalcloudId = fmobj.id  # to be updated
 111     alarm_definition_id = fmobj.alarm_def_id
 112     alarm_event_record = AlarmEventRecord(
 113         fmobj.id, "", "",
 114         alarm_definition_id, "",
 115         fmobj.timestamp)
 116
 117     def severity_switch(val):
 118         if val == 'critical':
 119             return alarm_obj.PerceivedSeverityEnum.CRITICAL
 120         elif val == 'major':
 121             return alarm_obj.PerceivedSeverityEnum.MAJOR
 122         elif val == 'minor':
 123             return alarm_obj.PerceivedSeverityEnum.MINOR
 124         else:
 125             return alarm_obj.PerceivedSeverityEnum.WARNING
 126     alarm_event_record.perceivedSeverity = severity_switch(content['severity'])
 127     alarm_event_record.probableCauseId = fmobj.probable_cause_id
 128
 129     extensions = json.dumps(fmobj.filtered)
 130     alarm_event_record.extensions = extensions
 131     alarm_event_record.hash = fmobj.hash
 132     alarm_event_record.events.append(events.AlarmEventChanged(
 133         id=fmobj.id,
 134         notificationEventType=AlarmNotificationEventEnum.NEW,
 135         updatetime=fmobj.updatetime
 136     ))
 137
 138     return alarm_event_record
 139
 140
 141 def update_by(target: AlarmEventRecord, fmobj: FaultGenericModel
 142               ) -> None:
 143     # content = json.loads(fmobj.content)
 144     if fmobj.status == 'clear':
 145         target.perceivedSeverity = alarm_obj.PerceivedSeverityEnum.CLEARED
 146
 147     target.hash = fmobj.hash
 148     target.events.append(events.AlarmEventChanged(
 149         id=fmobj.id,
 150         notificationEventType=AlarmNotificationEventEnum.CLEAR,
 151         updatetime=fmobj.updatetime
 152     ))
 153
 154
 155 def check_restype_id(uow: AbstractUnitOfWork, fmobj: FaultGenericModel) -> str:
 156     content = json.loads(fmobj.content)
 157     entity_type_id = content['entity_type_id']
 158     # Entity_Instance_ID: <hostname>.lvmthinpool=<VG name>/<Pool name>
 159     # Entity_Instance_ID: ["image=<image-uuid>, instance=<instance-uuid>",
 160     # Entity_Instance_ID: [host=<hostname>.command=provision,
 161     # Entity_Instance_ID: [host=<hostname>.event=discovered,
 162     # Entity_Instance_ID: [host=<hostname>.state=disabled,
 163     # Entity_Instance_ID: [subcloud=<subcloud>.resource=<compute | network
 164     # | platform | volumev2>]
 165     # Entity_Instance_ID: cinder_io_monitor
 166     # Entity_Instance_ID: cluster=<dist-fs-uuid>
 167     # Entity_Instance_ID: cluster=<dist-fs-uuid>.peergroup=<group-x>
 168     # Entity_Instance_ID: fs_name=<image-conversion>
 169     # Entity_Instance_ID: host=<host_name>
 170     # Entity_Instance_ID: host=<host_name>.network=<network>
 171     # Entity_Instance_ID: host=<host_name>.services=compute
 172     # Entity_Instance_ID: host=<hostname>
 173     # Entity_Instance_ID: host=<hostname>,agent=<agent-uuid>,
 174     # bgp-peer=<bgp-peer>
 175     # Entity_Instance_ID: host=<hostname>.agent=<agent-uuid>
 176     # Entity_Instance_ID: host=<hostname>.interface=<if-name>
 177     # Entity_Instance_ID: host=<hostname>.interface=<if-uuid>
 178     # Entity_Instance_ID: host=<hostname>.ml2driver=<driver>
 179     # Entity_Instance_ID: host=<hostname>.network=<mgmt | oam | cluster-host>
 180     # Entity_Instance_ID: host=<hostname>.openflow-controller=<uri>
 181     # Entity_Instance_ID: host=<hostname>.openflow-network=<name>
 182     # Entity_Instance_ID: host=<hostname>.port=<port-name>
 183     # Entity_Instance_ID: host=<hostname>.port=<port-uuid>
 184     # Entity_Instance_ID: host=<hostname>.process=<processname>
 185     # Entity_Instance_ID: host=<hostname>.processor=<processor>
 186     # Entity_Instance_ID: host=<hostname>.sdn-controller=<uuid>
 187     # Entity_Instance_ID: host=<hostname>.sensor=<sensorname>
 188     # Entity_Instance_ID: host=<hostname>.service=<service>
 189     # Entity_Instance_ID: host=<hostname>.service=networking.providernet=
 190     # <pnet-uuid>
 191     # Entity_Instance_ID: host=controller
 192     # Entity_Instance_ID: itenant=<tenant-uuid>.instance=<instance-uuid>
 193     # Entity_Instance_ID: k8s_application=<appname>
 194     # Entity_Instance_ID: kubernetes=PV-migration-failed
 195     # Entity_Instance_ID: orchestration=fw-update
 196     # Entity_Instance_ID: orchestration=kube-rootca-update
 197     # Entity_Instance_ID: orchestration=kube-upgrade
 198     # Entity_Instance_ID: orchestration=sw-patch
 199     # Entity_Instance_ID: orchestration=sw-upgrade
 200     # Entity_Instance_ID: resource=<crd-resource>,name=<resource-name>
 201     # Entity_Instance_ID: server-group<server-group-uuid>
 202     # Entity_Instance_ID: service=networking.providernet=<pnet-uuid>
 203     # Entity_Instance_ID: service_domain=<domain>.service_group=<group>
 204     # Entity_Instance_ID: service_domain=<domain>.service_group=<group>.
 205     # host=<host_name>
 206     # Entity_Instance_ID: service_domain=<domain_name>.service_group=
 207     # <group_name>
 208     # Entity_Instance_ID: service_domain=<domain_name>.service_group=
 209     # <group_name>.host=<hostname>
 210     # Entity_Instance_ID: storage_backend=<storage-backend-name>
 211     # Entity_Instance_ID: subcloud=<subcloud>
 212     # Entity_Instance_ID: subsystem=vim
 213     # Entity_Instance_ID: tenant=<tenant-uuid>.instance=<instance-uuid>
 214     if 'host' == entity_type_id:
 215         with uow:
 216             restype = uow.resource_types.get_by_name('pserver')
 217             return restype.resourceTypeId
 218     else:
 219         return ""
 220
 221
 222 def check_res_id(uow: AbstractUnitOfWork, fmobj: FaultGenericModel) -> str:
 223     content = json.loads(fmobj.content)
 224     entity_type_id = content['entity_type_id']
 225     entity_instance_id = content['entity_instance_id']
 226     if 'host' == entity_type_id:
 227         logger.debug('host: ' + entity_instance_id)
 228         hostname = entity_instance_id.split('.')[0].split('=')[1]
 229         with uow:
 230             respools = uow.resource_pools.list()
 231             respoolids = [respool.resourcePoolId for respool in respools
 232                           if respool.oCloudId == respool.resourcePoolId]
 233
 234             restype = uow.resource_types.get_by_name('pserver')
 235             args = [ocloud.Resource.resourceTypeId ==
 236                     restype.resourceTypeId]
 237             hosts = uow.resources.list(respoolids[0], *args)
 238             for host in hosts:
 239                 logger.debug('host extensions: ' + host.extensions)
 240                 extensions = json.loads(host.extensions)
 241                 if extensions['hostname'] == hostname:
 242                     return host.resourceId
 243     else:
 244         return ""