86 lines
3.2 KiB
Python
86 lines
3.2 KiB
Python
# Copyright 2012 Managed I.T.
|
|
#
|
|
# Author: Kiall Mac Innes <kiall@managedit.ie>
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
import os
|
|
from migrate.exceptions import (DatabaseAlreadyControlledError,
|
|
DatabaseNotControlledError)
|
|
from migrate.versioning import api as versioning_api
|
|
from moniker.openstack.common import log as logging
|
|
from moniker.openstack.common import cfg
|
|
from moniker.manage import base
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
REPOSITORY = os.path.abspath(os.path.join(os.path.dirname(__file__), '..',
|
|
'storage', 'impl_sqlalchemy',
|
|
'migrate_repo'))
|
|
cfg.CONF.import_opt('database_connection', 'moniker.storage.impl_sqlalchemy',
|
|
group='storage:sqlalchemy')
|
|
|
|
|
|
class InitCommand(base.Command):
|
|
"Init database"
|
|
|
|
def execute(self, parsed_args):
|
|
url = cfg.CONF['storage:sqlalchemy'].database_connection
|
|
|
|
if not os.path.exists(REPOSITORY):
|
|
raise Exception('Migration Respository Not Found')
|
|
|
|
try:
|
|
LOG.info('Attempting to initialize database')
|
|
versioning_api.version_control(url=url, repository=REPOSITORY)
|
|
LOG.info('Database initialized sucessfully')
|
|
except DatabaseAlreadyControlledError:
|
|
raise Exception('Database already initialized')
|
|
|
|
|
|
class SyncCommand(base.Command):
|
|
"Sync database"
|
|
|
|
def get_parser(self, prog_name):
|
|
parser = super(SyncCommand, self).get_parser(prog_name)
|
|
|
|
parser.add_argument('--to-version', help="Migrate to version",
|
|
default=None, type=int)
|
|
|
|
return parser
|
|
|
|
def execute(self, parsed_args):
|
|
url = cfg.CONF['storage:sqlalchemy'].database_connection
|
|
|
|
if not os.path.exists(REPOSITORY):
|
|
raise Exception('Migration Respository Not Found')
|
|
|
|
try:
|
|
target_version = int(parsed_args.to_version) \
|
|
if parsed_args.to_version else None
|
|
|
|
current_version = versioning_api.db_version(url=url,
|
|
repository=REPOSITORY)
|
|
except DatabaseNotControlledError:
|
|
raise Exception('Database not yet initialized')
|
|
|
|
LOG.info("Attempting to synchronize database from version '%s' to '%s'"
|
|
% (current_version, target_version))
|
|
|
|
if target_version and target_version < current_version:
|
|
versioning_api.downgrade(url=url, repository=REPOSITORY,
|
|
version=parsed_args.to_version)
|
|
else:
|
|
versioning_api.upgrade(url=url, repository=REPOSITORY,
|
|
version=parsed_args.to_version)
|
|
|
|
LOG.info('Database synchronized sucessfully')
|