This is a real bug.
@Erno: setting WSGI_MODE=mod_wsgi in local.conf makes glance NOT use uwsgi and instead use the eventlet-based server, it doesn't really use mod_wsgi. So this problem is occurring when Glance is run in the recommended way.
[0] https://github.com/openstack-dev/devstack/blob/13e260ea2c3220a217626b12bff538916fdd2caf/lib/glance#L345-L349
This is a real bug.
@Erno: setting WSGI_MODE=mod_wsgi in local.conf makes glance NOT use uwsgi and instead use the eventlet-based server, it doesn't really use mod_wsgi. So this problem is occurring when Glance is run in the recommended way.
[0] https:/ /github. com/openstack- dev/devstack/ blob/13e260ea2c 3220a217626b12b ff538916fdd2caf /lib/glance# L345-L349