129 lines
3.9 KiB
Python
129 lines
3.9 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
#
|
|
# Copyright 2012 New Dream Network, LLC (DreamHost)
|
|
#
|
|
# 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.
|
|
#
|
|
# @author: Mark McClain, DreamHost
|
|
|
|
import os
|
|
import sys
|
|
|
|
from alembic import command as alembic_command
|
|
from alembic import config as alembic_config
|
|
from alembic import util as alembic_util
|
|
|
|
from quantum import manager
|
|
from quantum.openstack.common import cfg
|
|
|
|
_core_opts = [
|
|
cfg.StrOpt('core_plugin',
|
|
default='',
|
|
help='Quantum plugin provider module'),
|
|
]
|
|
|
|
_quota_opts = [
|
|
cfg.StrOpt('quota_driver',
|
|
default='',
|
|
help='Quantum quota driver class'),
|
|
]
|
|
|
|
_db_opts = [
|
|
cfg.StrOpt('sql_connection',
|
|
default='',
|
|
help='URL to database'),
|
|
]
|
|
|
|
_cmd_opts = [
|
|
cfg.StrOpt('message',
|
|
short='m',
|
|
default='',
|
|
help="Message string to use with 'revision'"),
|
|
cfg.BoolOpt('autogenerate',
|
|
default=False,
|
|
help=("Populate revision script with candidate "
|
|
"migration operations, based on comparison "
|
|
"of database to model.")),
|
|
cfg.BoolOpt('sql',
|
|
default=False,
|
|
help=("Don't emit SQL to database - dump to "
|
|
"standard output/file instead")),
|
|
cfg.IntOpt('delta',
|
|
default=0,
|
|
help='Number of relative migrations to upgrade/downgrade'),
|
|
|
|
]
|
|
|
|
CONF = cfg.CommonConfigOpts()
|
|
CONF.register_opts(_core_opts)
|
|
CONF.register_opts(_db_opts, 'DATABASE')
|
|
CONF.register_opts(_quota_opts, 'QUOTAS')
|
|
CONF.register_cli_opts(_cmd_opts)
|
|
|
|
|
|
def main():
|
|
config = alembic_config.Config(
|
|
os.path.join(os.path.dirname(__file__), 'alembic.ini')
|
|
)
|
|
config.set_main_option('script_location',
|
|
'quantum.db.migration:alembic_migrations')
|
|
# attach the Quantum conf to the Alembic conf
|
|
config.quantum_config = CONF
|
|
|
|
cmd, args, kwargs = process_argv(sys.argv)
|
|
|
|
try:
|
|
getattr(alembic_command, cmd)(config, *args, **kwargs)
|
|
except alembic_util.CommandError, e:
|
|
alembic_util.err(str(e))
|
|
|
|
|
|
def process_argv(argv):
|
|
positional = CONF(argv)
|
|
|
|
if len(positional) > 1:
|
|
cmd = positional[1]
|
|
revision = positional[2:] and positional[2:][0]
|
|
|
|
args = ()
|
|
kwargs = {}
|
|
|
|
if cmd == 'stamp':
|
|
args = (revision,)
|
|
kwargs = {'sql': CONF.sql}
|
|
elif cmd in ('current', 'history'):
|
|
pass # these commands do not require additional args
|
|
elif cmd in ('upgrade', 'downgrade'):
|
|
if CONF.delta:
|
|
revision = '%s%d' % ({'upgrade': '+', 'downgrade': '-'}[cmd],
|
|
CONF.delta)
|
|
elif not revision:
|
|
raise SystemExit(
|
|
_('You must provide a revision or relative delta')
|
|
)
|
|
args = (revision,)
|
|
kwargs = {'sql': CONF.sql}
|
|
elif cmd == 'revision':
|
|
kwargs = {
|
|
'message': CONF.message,
|
|
'autogenerate': CONF.autogenerate,
|
|
'sql': CONF.sql}
|
|
elif cmd == 'check_migration':
|
|
cmd = 'branches'
|
|
else:
|
|
raise SystemExit(_('Unrecognized Command: %s') % cmd)
|
|
|
|
return cmd, args, kwargs
|
|
else:
|
|
raise SystemExit(_('You must provide a sub-command'))
|