def run(self, log_level, master_url, slave_ids=None, all_slaves=False, **request_params):
log_level = log_level or Configuration['log_level']
log.configure_logging(log_level=log_level, simplified_console_logs=True)
master_url = master_url or '{}:{}'.format(Configuration['hostname'], Configuration['port'])
client = ClusterMasterAPIClient(master_url)
if all_slaves:
client.graceful_shutdown_all_slaves()
elif slave_ids and len(slave_ids) > 0:
client.graceful_shutdown_slaves_by_id(slave_ids)
else:
self._logger.error('No slaves specified to shutdown.')
exit(1)
