#!/usr/bin/python
# Copyright (c) 2010 OpenStack, LLC.
#
# 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.

from os.path import basename
from sys import argv, exit

from swift.common.db import get_db_connection


if __name__ == '__main__':
    app = basename(argv[0])
    if len(argv) != 3:
        exit('''
Syntax : %s <auth.db> <new_prefix>
Example: %s /etc/swift/auth.db AUTH'''.strip() % (app, app))
    db = argv[1]
    new_prefix = argv[2].rstrip('_')
    print 'Updating %s' % db
    conn = get_db_connection(db)
    rows = conn.execute('SELECT url, cfaccount FROM account').fetchall()
    for row in rows:
        old_prefix = ''
        uuid = row[1]
        if '_' in row[1]:
            old_prefix, uuid = row[1].split('_', 1)
        new_cfaccount = '%s_%s' % (new_prefix, uuid)
        new_url = row[0].replace(row[1], new_cfaccount)
        print '%s ->\n%s' % (row[0], new_url)
        print '%s ->\n%s' % (row[1], new_cfaccount)
        print
        conn.execute('''UPDATE account SET url = ?, cfaccount = ?
                        WHERE url = ? AND cfaccount = ?''',
                     (new_url, new_cfaccount, row[0], row[1]))
    conn.commit()
    print 'Updated %s rows.' % len(rows)