Passive service checks via NSCA and requir ed check command defini tion
Ralph.Grothe at itdz-berlin.de
Ralph.Grothe at itdz-berlin.de
Mon Aug 8 15:38:20 CEST 2005
> >> Turn off the cron job. Nagios will be blissfully unaware
and
> >> return OK for the service even if the service is down.
> >
> > Disabling the cronjob on the remote host?
> > I can't imagine how the feed should work then.
>
> It doesn't work if you turn off the cron job. The point is
> to simulate
> what happens if the cron job fails, or that remote host locks
> up, or...
>
> In that situation you won't be getting any passive checks.
> So the active
> check kicks in and says everything is OK. That isn't what you
want.
Wait as far as I understood, the active check couldn't kick in
because I disabled it in the service's definition
(you may have missed in my thread starting posting)
Or is this a too optimistic expectation from nagios?
define service {
use generic-service
service_description samos-hpva-state
host_name samos
passive_checks_enabled 1
active_checks_enabled 0
check_command passive-check-pad
contact_groups samosadmin
}
>
> > So far I could read the status line as what got written to
the
> > FIFO above. What difference do you mean?
>
> I mean that check_dummy returns "Status is OK" and your
> plugin probably
> returns something different. So you can tell whether the
> passive check
> is working or if the active check kicked in but only if you
> read carefully.
> Which you're unlikely to do if the service is green.
I understood.
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