86 lines
3.2 KiB
Python
86 lines
3.2 KiB
Python
# Copyright 2012 Managed I.T.
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#
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# Author: Kiall Mac Innes <kiall@managedit.ie>
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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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import os
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from migrate.exceptions import (DatabaseAlreadyControlledError,
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DatabaseNotControlledError)
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from migrate.versioning import api as versioning_api
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from designate.openstack.common import log as logging
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from designate.openstack.common import cfg
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from designate.manage import base
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LOG = logging.getLogger(__name__)
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REPOSITORY = os.path.abspath(os.path.join(os.path.dirname(__file__), '..',
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'storage', 'impl_sqlalchemy',
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'migrate_repo'))
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cfg.CONF.import_opt('database_connection', 'designate.storage.impl_sqlalchemy',
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group='storage:sqlalchemy')
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class InitCommand(base.Command):
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"Init database"
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def execute(self, parsed_args):
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url = cfg.CONF['storage:sqlalchemy'].database_connection
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if not os.path.exists(REPOSITORY):
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raise Exception('Migration Respository Not Found')
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try:
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LOG.info('Attempting to initialize database')
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versioning_api.version_control(url=url, repository=REPOSITORY)
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LOG.info('Database initialized sucessfully')
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except DatabaseAlreadyControlledError:
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raise Exception('Database already initialized')
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class SyncCommand(base.Command):
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"Sync database"
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def get_parser(self, prog_name):
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parser = super(SyncCommand, self).get_parser(prog_name)
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parser.add_argument('--to-version', help="Migrate to version",
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default=None, type=int)
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return parser
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def execute(self, parsed_args):
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url = cfg.CONF['storage:sqlalchemy'].database_connection
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if not os.path.exists(REPOSITORY):
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raise Exception('Migration Respository Not Found')
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try:
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target_version = int(parsed_args.to_version) \
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if parsed_args.to_version else None
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current_version = versioning_api.db_version(url=url,
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repository=REPOSITORY)
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except DatabaseNotControlledError:
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raise Exception('Database not yet initialized')
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LOG.info("Attempting to synchronize database from version '%s' to '%s'"
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% (current_version, target_version))
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if target_version and target_version < current_version:
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versioning_api.downgrade(url=url, repository=REPOSITORY,
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version=parsed_args.to_version)
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else:
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versioning_api.upgrade(url=url, repository=REPOSITORY,
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version=parsed_args.to_version)
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LOG.info('Database synchronized sucessfully')
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