124 lines
3.7 KiB
Python
124 lines
3.7 KiB
Python
# Copyright (c) 2013 Mirantis Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""CLI tool to manage the Fenix DB. Inspired by Neutron's same tool."""
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import gettext
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import os
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from alembic import command as alembic_command
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from alembic import config as alembic_config
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from alembic import util as alembic_util
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from oslo_config import cfg
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from oslo_db import options as db_options
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gettext.install('fenix')
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from fenix.i18n import _
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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_command, cmd)(config, *args, **kwargs)
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except alembic_util.CommandError as e:
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alembic_util.err(str(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_downgrade(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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else:
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revision = CONF.command.revision
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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(config, cmd,
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CONF.command.revision,
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sql=CONF.command.sql)
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def do_revision(config, cmd):
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do_alembic_command(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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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('check_migration')
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parser.set_defaults(func=do_check_migration)
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for name in ['upgrade', 'downgrade']:
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parser = subparsers.add_parser(name)
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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_downgrade)
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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')
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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_opts = [
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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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]
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CONF.register_cli_opts(command_opts)
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def main():
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config = alembic_config.Config(
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os.path.join(os.path.dirname(__file__), 'alembic.ini')
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)
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config.fenix_config = CONF
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CONF()
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db_options.set_defaults(CONF)
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if not CONF.database.connection:
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raise SystemExit(
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_("Provide a configuration file with DB connection information"))
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CONF.command.func(config, CONF.command.name)
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