47c0d2ebd5
Implements blueprint migrations-for-service-plugins Fixes bug 1209151 Change-Id: If7fc7a4488352e9b65b6973d8ea631e0d9ed8b68
144 lines
4.4 KiB
Python
144 lines
4.4 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright 2012 New Dream Network, LLC (DreamHost)
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#
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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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#
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# @author: Mark McClain, DreamHost
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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 neutron.common import legacy
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_core_opts = [
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cfg.StrOpt('core_plugin',
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default='',
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help=_('Neutron plugin provider module')),
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cfg.ListOpt('service_plugins',
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default=[],
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help=_("The service plugins Neutron will use")),
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]
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_quota_opts = [
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cfg.StrOpt('quota_driver',
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default='',
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help=_('Neutron quota driver class')),
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]
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_db_opts = [
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cfg.StrOpt('connection',
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deprecated_name='sql_connection',
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default='',
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help=_('URL to database')),
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]
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CONF = cfg.ConfigOpts()
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CONF.register_opts(_core_opts)
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CONF.register_opts(_db_opts, 'database')
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CONF.register_opts(_quota_opts, 'QUOTAS')
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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_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_config.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('script_location',
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'neutron.db.migration:alembic_migrations')
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# attach the Neutron conf to the Alembic conf
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config.neutron_config = CONF
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CONF()
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#TODO(gongysh) enable logging
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legacy.modernize_quantum_config(CONF)
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CONF.command.func(config, CONF.command.name)
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