62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
# Copyright 2015 FUJITSU LIMITED
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# (C) Copyright 2016 Hewlett Packard Enterprise Development Company LP
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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# in compliance with the License. You may obtain 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 distributed under the License
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# is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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# or implied. See the License for the specific language governing permissions and limitations under
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# the License.
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import logging
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import psycopg2
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from monasca_notification.common.repositories.base.base_repo import BaseRepo
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from monasca_notification.common.repositories import exceptions as exc
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log = logging.getLogger(__name__)
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class PostgresqlRepo(BaseRepo):
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def __init__(self, config):
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super(PostgresqlRepo, self).__init__(config)
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self._pgsql_params = config['postgresql']
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self._pgsql = None
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def _connect_to_pgsql(self):
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self._pgsql = None
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try:
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self._pgsql = psycopg2.connect(**self._pgsql_params)
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self._pgsql.autocommit = True
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except psycopg2.Error as e:
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log.exception('Pgsql connect failed %s', e)
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raise
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def fetch_notification(self, alarm):
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try:
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if self._pgsql is None:
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self._connect_to_pgsql()
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cur = self._pgsql.cursor()
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cur.execute(self._find_alarm_action_sql, (alarm['alarmDefinitionId'], alarm['newState']))
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for row in cur:
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yield (row[1].lower(), row[0], row[2], row[3])
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except psycopg2.Error as e:
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log.exception("Couldn't fetch alarms actions %s", e)
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raise exc.DatabaseException(e)
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def get_alarm_current_state(self, alarm_id):
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try:
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if self._pgsql is None:
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self._connect_to_pgsql()
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cur = self._pgsql.cursor()
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cur.execute(self._find_alarm_state_sql, alarm_id)
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row = cur.fetchone()
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state = row[0] if row is not None else None
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return state
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except psycopg2.Error as e:
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log.exception("Couldn't fetch current alarm state %s", e)
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raise exc.DatabaseException(e)
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