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Diffstat (limited to 'scripts/migration/0.9/migrate.py')
-rwxr-xr-x | scripts/migration/0.9/migrate.py | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/scripts/migration/0.9/migrate.py b/scripts/migration/0.9/migrate.py new file mode 100755 index 00000000..5c49f5b4 --- /dev/null +++ b/scripts/migration/0.9/migrate.py @@ -0,0 +1,117 @@ +#!/usr/bin/env python +# migrate.py + +""" +Migrate CouchDB schema to version 1 (soledad-server >= 0.9.0). + +****************************************************************************** + ATTENTION! + + - This script does not backup your data for you. Make sure you have a backup + copy of your databases before running this script! + + - Make sure you turn off any service that might be writing to the couch + database before running this script. + +****************************************************************************** + +Run this script with the --help option to see command line options. + +See the README.md file for more information. +""" + +import datetime +import logging +import netrc +import os + +from argparse import ArgumentParser + +from leap.soledad.server import get_config + +from migrate_couch_schema import migrate + + +TARGET_VERSION = '0.9' +DEFAULT_COUCH_URL = 'http://127.0.0.1:5984' +CONF = get_config() +NETRC_PATH = CONF['admin_netrc'] + + +# +# command line args and execution +# + +def _configure_logger(log_file, level=logging.INFO): + if not log_file: + fname, _ = os.path.basename(__file__).split('.') + timestr = datetime.datetime.now().strftime('%Y-%m-%d_%H:%M:%S') + filename = 'soledad_%s_%s_%s.log' \ + % (TARGET_VERSION, fname, timestr) + dirname = os.path.join( + os.path.dirname(os.path.realpath(__file__)), 'log') + log_file = os.path.join(dirname, filename) + logging.basicConfig( + filename=log_file, + filemode='a', + format='%(asctime)s,%(msecs)d %(levelname)s %(message)s', + datefmt='%H:%M:%S', + level=level) + + +def _default_couch_url(): + if not os.path.exists(NETRC_PATH): + return DEFAULT_COUCH_URL + parsed_netrc = netrc.netrc(NETRC_PATH) + host, (login, _, password) = parsed_netrc.hosts.items()[0] + url = ('http://%(login)s:%(password)s@%(host)s:5984' % { + 'login': login, + 'password': password, + 'host': host}) + return url + + +def _parse_args(): + parser = ArgumentParser() + parser.add_argument( + '--couch_url', + help='the url for the couch database', + default=_default_couch_url()) + parser.add_argument( + '--do-migrate', + help='actually perform the migration (otherwise ' + 'just print what would be done)', + action='store_true') + parser.add_argument( + '--log-file', + help='the log file to use') + parser.add_argument( + '--pdb', action='store_true', + help='escape to pdb shell in case of exception') + parser.add_argument( + '--verbose', action='store_true', + help='output detailed information about the migration ' + '(i.e. include debug messages)') + return parser.parse_args() + + +def _enable_pdb(): + import sys + from IPython.core import ultratb + sys.excepthook = ultratb.FormattedTB( + mode='Verbose', color_scheme='Linux', call_pdb=1) + + +if __name__ == '__main__': + args = _parse_args() + if args.pdb: + _enable_pdb() + _configure_logger( + args.log_file, + level=logging.DEBUG if args.verbose else logging.INFO) + logger = logging.getLogger(__name__) + try: + migrate(args, TARGET_VERSION) + except: + logger.exception('Fatal error on migrate script!') + raise |