passive service freshness with nagios restart

[Thomas Guyot-Sionnest]

> -----Original Message-----
> From: nagios-devel-bounces at lists.sourceforge.net [mailto:nagios-devel-
> bounces at lists.sourceforge.net] On Behalf Of Michelle Craft
> Sent: June 19, 2007 11:50
> To: nagios-devel at lists.sourceforge.net
> Subject: [Nagios-devel] passive service freshness with nagios restart
> 
> 
> I use passive checks for several purposes, but I'd like to start using
> them as a daily heartbeat.  The problem is that my nagios server restarts
> at least once a day and the freshness timeout is always reset to the
> restart time instead of the last time a passive check was sent.  It looks
> like the behaviour I would like was present in older versions, but
> changed:
> 
> base/checks.c:
> 
>    /* CHANGED 02/25/06 SG - passive checks also become stale, so remove
> dependence on active check logic */
>    if(temp_service->has_been_checked==FALSE || program_start>temp_service-
> >last_check)
> 
>    expiration_time=(time_t)(program_start+freshness_threshold);
> 
> 
> The freshness example given in the docs (freshness.html) is a daily
> heartbeat.  It appears that the above change makes a heartbeat impossible
> if the freshness_threshold is ever longer than a reboot cycle.
> 
> I think the only way to fix this is to back-out the change (unlikely) or
> add yet another config file option - something like freshness_restart -
> and include it in the checks.c expiration_time logic.

Can't this be saved in the retention files (I thing it's already is) and
then restored?

IMHO that's the way I it should work; a restart shouldn't affect passive
monitoring. We have things running monthly and expect that Nagios will catch
them if they don't run for a month.

Thomas

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