If you want to be able to retrieve image samples, you need to instruct the Image Service to send notifications to the bus by editing the glance-api.conf file changing notifier_strategy to rabbit or qpid and restarting the glance-api and glance-registry services. We now restart the Image service with its new settings. # service glance-registry restart # service glance-api restart Restart the glance-api and glance-registry services. # service openstack-glance-api restart # service openstack-glance-registry restart