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121 lines
3.5 KiB
121 lines
3.5 KiB
# |
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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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"""Starter script for qinling-db-manage.""" |
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import os |
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import sys |
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from alembic import command as alembic_cmd |
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from alembic import config as alembic_cfg |
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from alembic import util as alembic_u |
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from oslo_config import cfg |
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from oslo_utils import importutils |
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import six |
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# We need to import qinling.api.app to |
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# make sure we register all needed options. |
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importutils.try_import('qinling.api.app') |
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CONF = cfg.CONF |
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def do_alembic_command(config, cmd, *args, **kwargs): |
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try: |
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getattr(alembic_cmd, cmd)(config, *args, **kwargs) |
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except alembic_u.CommandError as e: |
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alembic_u.err(six.text_type(e)) |
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def do_check_migration(config, _cmd): |
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do_alembic_command(config, 'branches') |
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def do_upgrade(config, cmd): |
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if not CONF.command.revision and not CONF.command.delta: |
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raise SystemExit('You must provide a revision or relative delta') |
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revision = CONF.command.revision |
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if CONF.command.delta: |
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sign = '+' if CONF.command.name == 'upgrade' else '-' |
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revision = sign + str(CONF.command.delta) |
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do_alembic_command(config, cmd, revision, sql=CONF.command.sql) |
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def do_stamp(config, cmd): |
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do_alembic_command( |
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config, cmd, |
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CONF.command.revision, |
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sql=CONF.command.sql |
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) |
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def do_revision(config, cmd): |
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do_alembic_command( |
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config, cmd, |
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message=CONF.command.message, |
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autogenerate=CONF.command.autogenerate, |
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sql=CONF.command.sql |
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) |
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def add_command_parsers(subparsers): |
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for name in ['current', 'history', 'branches']: |
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parser = subparsers.add_parser(name) |
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parser.set_defaults(func=do_alembic_command) |
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parser = subparsers.add_parser('upgrade') |
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parser.add_argument('--delta', type=int) |
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parser.add_argument('--sql', action='store_true') |
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parser.add_argument('revision', nargs='?') |
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parser.set_defaults(func=do_upgrade) |
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parser = subparsers.add_parser('stamp') |
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parser.add_argument('--sql', action='store_true') |
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parser.add_argument('revision', nargs='?') |
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parser.set_defaults(func=do_stamp) |
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parser = subparsers.add_parser('revision') |
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parser.add_argument('-m', '--message') |
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parser.add_argument('--autogenerate', action='store_true') |
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parser.add_argument('--sql', action='store_true') |
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parser.set_defaults(func=do_revision) |
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command_opt = cfg.SubCommandOpt('command', |
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title='Command', |
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help='Available commands', |
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handler=add_command_parsers) |
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CONF.register_cli_opt(command_opt) |
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def main(): |
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config = alembic_cfg.Config( |
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os.path.join(os.path.dirname(__file__), 'alembic.ini') |
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) |
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config.set_main_option( |
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'script_location', |
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'qinling.db.sqlalchemy.migration:alembic_migrations' |
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) |
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# attach the Qinling conf to the Alembic conf |
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config.qinling_config = CONF |
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CONF(project='qinling') |
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CONF.command.func(config, CONF.command.name) |
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if __name__ == '__main__': |
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sys.exit(main())
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