cic-internal-integration/apps/cic-cache/scripts/migrate.py

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2021-02-18 06:04:30 +01:00
#!/usr/bin/python
import os
import argparse
import logging
import alembic
from alembic.config import Config as AlembicConfig
import confini
from cic_cache.db import dsn_from_config
logging.basicConfig(level=logging.WARNING)
logg = logging.getLogger()
# BUG: the dbdir doesn't work after script install
rootdir = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
dbdir = os.path.join(rootdir, 'cic_cache', 'db')
migrationsdir = os.path.join(dbdir, 'migrations')
config_dir = os.path.join('/usr/local/etc/cic-cache')
argparser = argparse.ArgumentParser()
argparser.add_argument('-c', type=str, default=config_dir, help='config file')
argparser.add_argument('--env-prefix', default=os.environ.get('CONFINI_ENV_PREFIX'), dest='env_prefix', type=str, help='environment prefix for variables to overwrite configuration')
argparser.add_argument('--migrations-dir', dest='migrations_dir', default=migrationsdir, type=str, help='path to alembic migrations directory')
argparser.add_argument('-v', action='store_true', help='be verbose')
argparser.add_argument('-vv', action='store_true', help='be more verbose')
args = argparser.parse_args()
if args.vv:
logging.getLogger().setLevel(logging.DEBUG)
elif args.v:
logging.getLogger().setLevel(logging.INFO)
config = confini.Config(args.c, args.env_prefix)
config.process()
config.censor('PASSWORD', 'DATABASE')
config.censor('PASSWORD', 'SSL')
logg.debug('config:\n{}'.format(config))
migrations_dir = os.path.join(args.migrations_dir, config.get('DATABASE_ENGINE'))
if not os.path.isdir(migrations_dir):
logg.debug('migrations dir for engine {} not found, reverting to default'.format(config.get('DATABASE_ENGINE')))
migrations_dir = os.path.join(args.migrations_dir, 'default')
# connect to database
dsn = dsn_from_config(config)
logg.info('using migrations dir {}'.format(migrations_dir))
logg.info('using db {}'.format(dsn))
ac = AlembicConfig(os.path.join(migrations_dir, 'alembic.ini'))
ac.set_main_option('sqlalchemy.url', dsn)
ac.set_main_option('script_location', migrations_dir)
alembic.command.upgrade(ac, 'head')