if mydb.connect(global_config['db_host'], global_config['db_user'], global_config['db_passwd'], global_config['db_name']) == -1:
logger.critical("Cannot connect to database %s at %s@%s", global_config['db_name'], global_config['db_user'], global_config['db_host'])
exit(-1)
if mydb.connect(global_config['db_host'], global_config['db_user'], global_config['db_passwd'], global_config['db_name']) == -1:
logger.critical("Cannot connect to database %s at %s@%s", global_config['db_name'], global_config['db_user'], global_config['db_host'])
exit(-1)