I think keystone gets this for free since we're using oslo.service (https://github.com/openstack/keystone/blob/master/requirements.txt#L32) for eventlet.
for the case of running keystone under httpd, i think most support SIGHUP: https://httpd.apache.org/docs/2.2/en/stopping.html
I think keystone gets this for free since we're using oslo.service (https:/ /github. com/openstack/ keystone/ blob/master/ requirements. txt#L32) for eventlet.
for the case of running keystone under httpd, i think most support SIGHUP: https:/ /httpd. apache. org/docs/ 2.2/en/ stopping. html