vmware-nsx/neutron/db/migration/cli.py
Oleg Bondarev cdd683a0c8 Add support for service plugins to the migration framework
Implements blueprint migrations-for-service-plugins
Fixes bug 1209151

Change-Id: If7fc7a4488352e9b65b6973d8ea631e0d9ed8b68
2013-08-09 14:08:27 +04:00

144 lines
4.4 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# Copyright 2012 New Dream Network, LLC (DreamHost)
#
# 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.
#
# @author: Mark McClain, DreamHost
import os
from alembic import command as alembic_command
from alembic import config as alembic_config
from alembic import util as alembic_util
from oslo.config import cfg
from neutron.common import legacy
_core_opts = [
cfg.StrOpt('core_plugin',
default='',
help=_('Neutron plugin provider module')),
cfg.ListOpt('service_plugins',
default=[],
help=_("The service plugins Neutron will use")),
]
_quota_opts = [
cfg.StrOpt('quota_driver',
default='',
help=_('Neutron quota driver class')),
]
_db_opts = [
cfg.StrOpt('connection',
deprecated_name='sql_connection',
default='',
help=_('URL to database')),
]
CONF = cfg.ConfigOpts()
CONF.register_opts(_core_opts)
CONF.register_opts(_db_opts, 'database')
CONF.register_opts(_quota_opts, 'QUOTAS')
def do_alembic_command(config, cmd, *args, **kwargs):
try:
getattr(alembic_command, cmd)(config, *args, **kwargs)
except alembic_util.CommandError as e:
alembic_util.err(str(e))
def do_check_migration(config, cmd):
do_alembic_command(config, 'branches')
def do_upgrade_downgrade(config, cmd):
if not CONF.command.revision and not CONF.command.delta:
raise SystemExit(_('You must provide a revision or relative delta'))
revision = CONF.command.revision
if CONF.command.delta:
sign = '+' if CONF.command.name == 'upgrade' else '-'
revision = sign + str(CONF.command.delta)
else:
revision = CONF.command.revision
do_alembic_command(config, cmd, revision, sql=CONF.command.sql)
def do_stamp(config, cmd):
do_alembic_command(config, cmd,
CONF.command.revision,
sql=CONF.command.sql)
def do_revision(config, cmd):
do_alembic_command(config, cmd,
message=CONF.command.message,
autogenerate=CONF.command.autogenerate,
sql=CONF.command.sql)
def add_command_parsers(subparsers):
for name in ['current', 'history', 'branches']:
parser = subparsers.add_parser(name)
parser.set_defaults(func=do_alembic_command)
parser = subparsers.add_parser('check_migration')
parser.set_defaults(func=do_check_migration)
for name in ['upgrade', 'downgrade']:
parser = subparsers.add_parser(name)
parser.add_argument('--delta', type=int)
parser.add_argument('--sql', action='store_true')
parser.add_argument('revision', nargs='?')
parser.set_defaults(func=do_upgrade_downgrade)
parser = subparsers.add_parser('stamp')
parser.add_argument('--sql', action='store_true')
parser.add_argument('revision')
parser.set_defaults(func=do_stamp)
parser = subparsers.add_parser('revision')
parser.add_argument('-m', '--message')
parser.add_argument('--autogenerate', action='store_true')
parser.add_argument('--sql', action='store_true')
parser.set_defaults(func=do_revision)
command_opt = cfg.SubCommandOpt('command',
title='Command',
help=_('Available commands'),
handler=add_command_parsers)
CONF.register_cli_opt(command_opt)
def main():
config = alembic_config.Config(
os.path.join(os.path.dirname(__file__), 'alembic.ini')
)
config.set_main_option('script_location',
'neutron.db.migration:alembic_migrations')
# attach the Neutron conf to the Alembic conf
config.neutron_config = CONF
CONF()
#TODO(gongysh) enable logging
legacy.modernize_quantum_config(CONF)
CONF.command.func(config, CONF.command.name)