60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
#
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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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"""SQLAlchemy storage backend."""
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from __future__ import absolute_import
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import os
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from oslo.config import cfg
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from oslo.db.sqlalchemy import session as db_session
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from ceilometer.storage import impl_sqlalchemy as base
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from ceilometer import utils
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AVAILABLE_CAPABILITIES = {
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'events': {'query': {'simple': True}},
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}
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AVAILABLE_STORAGE_CAPABILITIES = {
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'storage': {'production_ready': True},
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}
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class Connection(base.Connection):
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"""Put the event data into a SQLAlchemy database.
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"""
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CAPABILITIES = utils.update_nested(base.Connection.CAPABILITIES,
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AVAILABLE_CAPABILITIES)
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STORAGE_CAPABILITIES = utils.update_nested(
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base.Connection.STORAGE_CAPABILITIES,
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AVAILABLE_STORAGE_CAPABILITIES,
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)
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def __init__(self, url):
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self._engine_facade = db_session.EngineFacade(
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url,
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**dict(cfg.CONF.database.items())
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)
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def upgrade(self):
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# NOTE(gordc): to minimise memory, only import migration when needed
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from oslo.db.sqlalchemy import migration
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path = os.path.join(os.path.abspath(os.path.dirname(__file__)),
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'..', '..', 'storage', 'sqlalchemy',
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'migrate_repo')
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migration.db_sync(self._engine_facade.get_engine(), path)
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