76 lines
2.5 KiB
Python
76 lines
2.5 KiB
Python
# Copyright 2018 Samsung Electronics
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_log import log
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from vitrage.datasources.alarm_driver_base import AlarmDriverBase
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from vitrage.datasources.monasca import MONASCA_DATASOURCE
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from vitrage.datasources.monasca.properties import (
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MonascaAlarmStatuses as MAlarmStatuses)
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from vitrage.datasources.monasca.properties import MonascaProperties as MProps
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from vitrage.datasources.transformer_base import extract_field_value
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from vitrage import os_clients
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LOG = log.getLogger(__name__)
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class MonascaDriver(AlarmDriverBase):
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def __init__(self):
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super(MonascaDriver, self).__init__()
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self.__client = None
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@property
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def client(self):
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if not self.__client:
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self.__client = os_clients.monasca_client()
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return self.__client
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def _vitrage_type(self):
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return MONASCA_DATASOURCE
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def _alarm_key(self, alarm):
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return alarm[MProps.ID]
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def _get_alarms(self):
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try:
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return self.client.alarms.list()
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except Exception:
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LOG.exception("Failed to fetch Monasca alarms.")
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return []
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def _enrich_alarms(self, alarms):
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for alarm in alarms:
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alarm[MProps.RESOURCE_TYPE] = extract_field_value(
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alarm, 'metrics', 0, 'dimensions', 'resource_type')
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alarm[MProps.RESOURCE_ID] = extract_field_value(
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alarm, 'metrics', 0, 'dimensions', 'resource_id')
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def _is_erroneous(self, alarm):
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return alarm and alarm[MProps.STATUS] == MAlarmStatuses.ALARM
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def _status_changed(self, new_alarm, old_alarm):
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return new_alarm and old_alarm and \
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new_alarm[MProps.STATUS] != old_alarm[MProps.STATUS]
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def _is_valid(self, alarm):
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return alarm and \
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alarm[MProps.RESOURCE_TYPE] is not None and \
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alarm[MProps.RESOURCE_ID] is not None
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@staticmethod
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def should_delete_outdated_entities():
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return True
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