deb-designate/designate/manage/pool_manager_cache.py
mimi8890 abb30cf58f Error message for database config
Catch when designate storage and pool manager cache has the same
database, and outputs an appropriate error message

Change-Id: Ice2da79377358422c300c24039723cca7038594f
2015-07-07 16:29:39 +00:00

74 lines
2.4 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.versioning import api as versioning_api
from oslo_config import cfg
from oslo_log import log as logging
from oslo_db import exception
from designate.manage import base
from designate.sqlalchemy import utils
LOG = logging.getLogger(__name__)
REPOSITORY = os.path.abspath(os.path.join(os.path.dirname(__file__), '..',
'pool_manager',
'cache', 'impl_sqlalchemy',
'migrate_repo'))
cfg.CONF.import_opt('connection',
'designate.pool_manager.cache.impl_sqlalchemy',
group='pool_manager_cache:sqlalchemy')
cfg.CONF.import_opt('connection',
'designate.storage.impl_sqlalchemy',
group='storage:sqlalchemy')
CONF = cfg.CONF
def get_manager():
storage_db = CONF['storage:sqlalchemy'].connection
pool_manager_cache_db = CONF['pool_manager_cache:sqlalchemy'].connection
if storage_db == pool_manager_cache_db:
raise exception.DbMigrationError(
message=(
"Pool Manager Cache requires its own database."
" Please check your config file."
))
else:
return utils.get_migration_manager(REPOSITORY, pool_manager_cache_db)
class DatabaseCommands(base.Commands):
def version(self):
current = get_manager().version()
latest = versioning_api.version(repository=REPOSITORY).value
print("Current: %s Latest: %s" % (current, latest))
def sync(self):
get_manager().upgrade(None)
@base.args('revision', nargs='?')
def upgrade(self, revision):
get_manager().upgrade(revision)
@base.args('revision', nargs='?')
def downgrade(self, revision):
get_manager().downgrade(revision)