def __init__(self, directory, configuration_files, configuration_values, *args, **kwargs):
super(DatabaseUpgrader, self).__init__(directory, configuration_files, configuration_values, *args, **kwargs)
db_conf = DbConfiguration(configuration_files, configuration_values)
regular_url = db_conf.build_url()
coord_url = db_conf.build_coord_url()
self.upgrader = DbUpgrader(regular_url, coord_url)
