Host warning state?

[Andreas Ericsson]

nagios at cooldarkplace.org wrote:
>>What"s your goal in doing this?  One thing you can do is add a service_d
>>and use the check_cluster plugin so that service_d will be warning if
> 
> any >of the other services aren"t ok.
> 
> 
>>Nagios is designed to be able to try to figure out if its a service or
> 
> host >problem and notify the proper person.  It can be very powerful when
> used >that way, and what you suggest goes against that.  I"m having a
> hard time >figuring out what your intent could be that would make you
> want the hosts >to have a warning state.
> 
> What would be really cool would be a variable either in the main
> nagios.cfg or a per host variable like: host_warn_on_service_failure=0 or
> 1.  There may in fact be a way to do something like this already, but I
> haven't been able to find it in the documentation or 2 months of mailing
> list archives.
> 
> 
> I suspect his goal here(and I have a similar one), is that quite often the
> same person or persons who maintains the host itself is also responsible
> for the services, especially in smaller shops.  In this situation, it
> makes a good amount of sense.  If I have 10 services on every machine, and
> I'm responsible for both the host and service states of all of them, why
> not have service failure trigger some sort of host notification rather
> than defining notifications and escalations for each service on the
> machine?
> 
> Imagine 4 admins managing 40 or so hosts.  Each of the 4 admins has 10
> hosts and associated services as their "primary" responsibilty.  Another
> 10 hosts and associated services as their "secondary"
> responsibilty(covering in the event that the primary doesn't respond fast
> enough) and also needs to know if any of the other 20 hosts have been
> misbehaving for quite some time now(meaning neither the primary or
> secondary has acknowledged/addressed the problem).
> 
> I am in such a situation right now.  All my host escalations have been
> configured based on a chain similar to that above, and now I'm faced with
> configuring 10 times as many service escalations, all of which have rules
> identical to the service escalations.  Forgetting the amount of work it
> represents for a moment, its going to make the config files a lot more
> unmanageable and simultaneously eat up 10 times more memory.
> 

Upgrade to Nagios 2.0 and use wildcard specifications in escalations, 
like so;
dependent_host_name              joes_host1,joes_host2
dependent_service_description    *

It should save you a lot of typing.

> I'm considering writing some sort of shell script to walk through my
> services file, scooping up all the services, and then using the host
> escalations I've already defined as a template to write out a gigantic
> escalations.cfg, but there would be so much redundant information in there
> even if I use massive templating, it seems like there has to be an easier
> way.
> 
> Any ideas greatly appreciated!
> 
>   Thanks,
>    -Tony
> 
> 
> 
> 
> 
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-- 
Andreas Ericsson                   andreas.ericsson at op5.se
OP5 AB                             www.op5.se
Lead Developer


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