deb-sahara/sahara/db/migration/cli.py
Andrey Pavlov 5c5491f9de Using oslo_* instead of oslo.*
Changes:
* using oslo_config instead of oslo.config
* using oslo_concurrency instead of oslo.concurrency
* using oslo_db instead of oslo.db
* using oslo_i18n instead of oslo.i18n
* using oslo_messaging instead of oslo.messaging
* using oslo_middleware instead of oslo.middleware
* using oslo_serialization instead of oslo.serialization
* using oslo_utils instead of oslo.utils

Change-Id: Ib0f18603ca5b0885256a39a96a3620d05260a272
Closes-bug: #1414587
2015-02-04 13:19:28 +03:00

111 lines
3.5 KiB
Python

# Copyright (c) 2013 Mirantis Inc.
#
# 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 alembic import command as alembic_cmd
from alembic import config as alembic_cfg
from alembic import util as alembic_u
from oslo_config import cfg
from sahara.i18n import _
CONF = cfg.CONF
def do_alembic_command(config, cmd, *args, **kwargs):
try:
getattr(alembic_cmd, cmd)(config, *args, **kwargs)
except alembic_u.CommandError as e:
alembic_u.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)
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_cfg.Config(
os.path.join(os.path.dirname(__file__), 'alembic.ini')
)
config.set_main_option('script_location',
'sahara.db.migration:alembic_migrations')
# attach the Sahara conf to the Alembic conf
config.sahara_config = CONF
CONF(project='sahara')
CONF.command.func(config, CONF.command.name)