passive service freshness with nagios restart

[Duncan Ferguson]

I have recently patched out nagios code to increase the freshness  
timeout after a restart - I will be adding it to the Altinity blog  
within the next few days.

I'll post again when I have had time to do it.

   Duncs

On 19 Jun 2007, at 16:49, Michelle Craft wrote:

>
> 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.
>
> Unless I'm missing something.  Has anyone else run into this  
> problem or
> found a different work around?
>
>
>
> --
> Michelle
>
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-- 
Duncan Ferguson

Opsview - Making Nagios Easier

http://www.altinity.com
Tel: +44 (0)870 787 9243
Fax: +44 (0)845 280 1725
Skype: duncan_j_ferguson
MSN: duncan.ferguson at altinity.com



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