Nagios Behaviors

[Kai Reese]

Hey.

Maybe I'm missing the scope of things, but where are repetetive
iterations of PING a problem when you work with templates? I'm working
in a much smaller scope here than Mark and I've wondered about
repetetive service-entries as well, but I've come to the conclusion
that by using templates I can avoid most of the problems that these
multiple entries create, even more so when -as I understand is your
problem- the only thing that changes are the contacts.

I would however see problems with an overhaul of the way things are
addressed at this moment for matters of portability and upgradability.
I would imagine the hassle of defining 25*10 services is less than
migrating all your hosts and service-definitions to a new
setup/layout.

Also, at this very moment, I'm wondering if services maybe support the
'contact' entries, since they also do work with the (undocumented)
hostgroup_name entries.
Wouldn't that solve most of your problems? Did I misunderstand your
problem at some point or is what I just wondered exactly the solution
you were asking to be implemented?

Kai

On 2/7/06, Todd Barbera <todd_barbera at wgbh.org> wrote:
>
>
> Hi Mark,
>
>
>
> I too had submitted an e-mail asking if passing the host properties along to
> the services would have some detrimental impact, but I didn't receive a
> reply. I agree that it would certainly make the services.cfg file much
> simpler to maintain if you didn't have to set up multiple services in order
> to create different views for various user groups. For instance, all my
> hosts are setup for PING. If I want notifications sent out to specific users
> for specific hosts, I have to have multiple iterations of PING in my
> services.cfg file. If I try to add all contacts to PING, then the see every
> host in the interface. This is not desirable since I only want them to see
> the hosts and services for which they have a stake in. I think this is a
> greater design question that may be best answered by Ethan, but if anyone
> else has thoughts on the matter I'd be happy to hear the response.
>
>
>
> Best regards,
>
>
>
> Todd
>
>
>
>
>
> -----Original Message-----
> From: nagios-users-admin at lists.sourceforge.net
> [mailto:nagios-users-admin at lists.sourceforge.net] On Behalf
> Of Garringer, Mark
> Sent: Monday, February 06, 2006 9:07 PM
> To: 'Nagios-users at lists.sourceforge.net'
> Subject: [Nagios-users] Nagios Behaviors
>
>
>
> This may be rather long, please bare with me.
>
> I am currently running Nagios 2.0rc2 with 451 hosts and 1733 services. I've
> recently upgraded from Netsaint (0.78b I think). During this upgrade I took
> the time to reexamine my configurations to take advantage of the grouping
> logic and regular expression features in Nagios. This help make the setup
> much easier, faster, and more consistent than it ever was under Netsaint.
> Kudos!
>
> All of the following assumes that I'm doing things to the best of my
> understanding, and if they are incorrect or misguided in some way, I'd be
> more than happy to discuss the 'correct' way of implementing these features.
>
> I'm starting to run into a few operational issues that I'd like to raise.
> One of the most annoying is that RECOVERY should actually have a state for
> EACH type of RECOVERY that can exist. That way, I'm not getting RECOVERY
> notices for WARNINGS that I didn't get in the first place (because I don't
> care about WARNINGS in most cases.). I should only ever get RECOVERY for
> states which I've already indicated I want to receive their corresponding
> original alert from.
>
> The other is that HOST level notification/check_periods should be inherited
> by any service being check on that HOST unless explicitly overridden.
>
> For example, I have a host with 10 services on it (checking disk space in
> various file systems, checking for certain named processes to be running)
> and it has a HOST level notification_period (maintenance window) from
> Saturday at 1800 till Sunday 1000. Every week. I don't want to, or need to
> know about service changes during these times. I'm the user, and I'm
> requesting a black out of notifications during this time. If there are
> (still) problems after 1000 on Sunday, I do need to know about them or take
> action. The best answers I can seem to find seem to be workarounds that will
> cause me more overall upkeep and/or are counter to the whole idea of using
> grouping logic to begin with.
>
> Creating a separate, non-dynamic cron offshoot to take care of this for me
> while functional requires me to basically go and define another list of
> items (and upkeep them) to deal with and is completely external to Nagios.
>
> Defining each service individually so that they all can have 1 host assigned
> to them so they can have different maintenance windows as needed is totally
> against the grouping logic and allows again for much easier divergence from
> a set standard. Having 25 linux machines all in a linux host group because I
> want to check 10 common services rocks. However, not all 25 servers will
> have the same (or even overlapping) maintenance windows, so creating 25*10
> separate service entries instead of just 10 sucks eggs. Maintaining the
> maintenance window at the host level makes perfect sense to me.
>
> Creating more  host groups doesn't seem like any better of a solution and
> will just make things more difficult to find under the Hostgroup sections of
> the web display.
>
> By not understanding something am I trying to use this in a way which it was
> never intended? This seem like a pretty logical feature to me, of course.
> Can anyone offer me advice?
>
> Thanks!


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