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1import common
2from autotest_lib.database import db_utils, migrate
3
4TKO_MIGRATION_NAME = '031_rename_tko_tables'
5migrations_module = __import__('autotest_lib.tko.migrations', globals(),
6                               locals(), [TKO_MIGRATION_NAME])
7tko_migration = getattr(migrations_module, TKO_MIGRATION_NAME)
8
9TABLE_NAMES = tko_migration.RENAMES_UP.values()
10
11
12def migrate_up(manager):
13    tko_manager = migrate.get_migration_manager(db_name='TKO', debug=False,
14                                                force=False)
15    if tko_manager.get_db_version() < 31:
16        raise Exception('You must update the TKO database to at least version '
17                        '31 before applying AUTOTEST_WEB migration 46')
18
19    if manager.simulate:
20        tko_manager.initialize_and_fill_test_db()
21
22    if not manager.force:
23        response = raw_input(
24                'This migration will merge the autotest_web and tko databases. '
25                'Following the migration, the tko database will be dropped. '
26                'Any user-added tables in tko will NOT be migrated. This '
27                'migration is NOT reversible. Are you sure you want to '
28                'continue? (yes/no) ')
29        if response != 'yes':
30            raise Exception('User has chosen to abort migration')
31
32    db_utils.move_tables(manager, tko_manager, TABLE_NAMES)
33    db_utils.drop_database(tko_manager)
34    manager.execute_script(tko_migration.RECREATE_VIEWS_UP)
35
36
37def migrate_down(manager):
38    raise Exception('Migration 46 is not reversible!')
39