Superevent nagios check gives periodic CRITICAL status

The superevent nagios check sometimes gives CRITICAL status due to the absence of superevents in the last hour. However, it mostly restores to an OK status the very next check. This is because by construction our hourly MDC events can have up to thousands of seconds of difference between the gpstime of the event vs the creation of the superevent. Here are some time differences at different times of the observing run.

The response from ICINGA is due to the fact that the code tests against the t_0 of the superevent. Instead, it should test against the created time of the superevent.