Hi guys, I would like to talk about reloading config during reloading service. Now we have ability to reload config of service with SIGHUP signal. Right now SIGHUP causes just calling conf.reload_config_files(). As result configuration is updated, but services don't know about it, there is no way to notify them. I've created review https://review.openstack.org/#/c/213062/ to allow to execute service's code on reloading config event. Possible usage can be https://review.openstack.org/#/c/223668/. Any ideas or suggestions