oVirt Yum Mirrors Liveness Monitoring
oVirt site has multiple mirror sites hosting the official oVirt releases, hosted on oVirt Releases.
A list of the current mirrors can be found here
In order to verify each of these mirrors are updated, the oVirt Infra team brought up a service called 'Mirror Checker', which runs on a container inside OpenShift.
More info on the tool can be found on it dedicated documentation page on mirror_checker docs page