122 lines
3.5 KiB
Python
122 lines
3.5 KiB
Python
#
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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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