70 lines
2.4 KiB
Python
70 lines
2.4 KiB
Python
# (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");
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# you may not use this file except in compliance with the License.
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# 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
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import json
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from cassandra.query import BatchStatement
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from oslo_log import log
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from repositories.cassandra.abstract_repository import AbstractCassandraRepository
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from repositories.utils import parse_alarm_state_hist_message
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LOG = log.getLogger(__name__)
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class AlarmStateHistCassandraRepository(AbstractCassandraRepository):
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def __init__(self):
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super(AlarmStateHistCassandraRepository, self).__init__()
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self._insert_alarm_state_hist_stmt = self.cassandra_session.prepare(
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'insert into alarm_state_history (tenant_id, alarm_id, '
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'metrics, new_state, '
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'old_state, reason, reason_data, '
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'sub_alarms, time_stamp) values (?,?,?,?,?,?,?,?,?)')
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def process_message(self, message):
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(alarm_id, metrics, new_state, old_state, state_change_reason,
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sub_alarms_json_snake_case, tenant_id,
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time_stamp) = parse_alarm_state_hist_message(
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message)
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alarm_state_hist = (
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tenant_id.encode('utf8'),
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alarm_id.encode('utf8'),
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json.dumps(metrics, ensure_ascii=False).encode(
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'utf8'),
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new_state.encode('utf8'),
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old_state.encode('utf8'),
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state_change_reason.encode('utf8'),
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"{}".encode('utf8'),
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sub_alarms_json_snake_case.encode('utf8'),
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time_stamp
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)
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LOG.debug(alarm_state_hist)
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return alarm_state_hist
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def write_batch(self, alarm_state_hists):
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for alarm_state_hist in alarm_state_hists:
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self._batch_stmt.add(self._insert_alarm_state_hist_stmt,
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alarm_state_hist)
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self.cassandra_session.execute(self._batch_stmt)
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self._batch_stmt = BatchStatement() |