Hi.
I have 1 master Icinga2 plus 3 satellites. All machines run Icingaweb2; the 3
satellites only show results from their local networks, the master shows
everything.
If the Icinga2 monitoring process stops on one of the satellites, the
Icingaweb2 on that machine shows an alert under "System - Monitoring Health"
saying "Backend icinga is not running", however nothing is shown on the master
Icingaweb2 display - all information from that satellite is simply stuck at
the last known values, with no indication that communications are no longer
occurring.
If you look (on the master) in detail at any of the service checks, you can
see when they last ran, and that the next scheduled run is some time in the
past, but unless you look for it, nothing stands out to say "Icinga2 on
satellite X is not contactable".
Have I missed some standard part of the master-satellite setup, or if not,
what's the recommended way to have the master machine report when a satellite
stops reporting check results?
The host itself is not down; it's just that the icinga2 process is not
running, but of course that means any service check to see whether a process
is running is not running either, so it can't report a process not running...
Thanks,
Antony.
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