Distributed config admin tool?

[Marc Powell]

> -----Original Message-----
> From: nagios-users-bounces at lists.sourceforge.net [mailto:nagios-users-
> bounces at lists.sourceforge.net] On Behalf Of Rob Brown
> Sent: Tuesday, September 04, 2007 6:52 PM
> To: nagios-users at lists.sourceforge.net
> Subject: Re: [Nagios-users] Distributed config admin tool?
> 
> Thanks, but most of these answers seem to be based around distributing
> the configs. All good answers, but not really what I was looking for.

You're going to have to distribute configs one way or another unless you
nfs mount your ~nagios/etc dir or something similar.

> I am more interested in how to GENerate the configs (ie: adding hosts,
> services etc) for a distributed setup, without having to add things
> twice (once on master as passive, then again on distributed as active,
> yadda yadda)

There's no need to generate different configs between the two with
templating. All you need is a single host and service template on the
active and a different host and service template on the passive. These
templates will have the same name on both machines, but different
contents depending on their roles. For example, a generic-service
template on the active might look like --

define service {
  name generic-service
  check_period 24x7
  register 0
}

On the passive, that would turn into --

define service {
  name generic-service
  check_period none
  register 0
}

Now, in your distributed configs, you just need to specify inheritance
of the generic-service template and it'll do the right thing based on
the machine it's running on --

define service {
    use                            generic-service
    host_name                      whatever
    service_description            someservice
    contact_groups                 somecontacts
    check_command                  somecommand
    ...
    }

I have all my templates in one directory that is static per machine and
my host/service/hostgroup configs in another that's dynamic and rsynced
from a central machine. The contents of this directory are the same
across all my nagios instances.

--
Marc

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