NagMIN / Nagios Templates

[Fred Reimers]

Dan,

I know that there are a number of different ways of doing things in Nagios.  I don't see a need to support all of them.  Part of the problem with administering Nagios is that there's no consistency to the configuration between engineers.  I'm trying to get NagMIN automated to the  point that a Tier1 level support person can make basic changes.  To that end, I'm purposefully simplifying things through enhancement and elimination.

I don't see any need to support templates that are also hosts, contacts or services.  In my opinion, it's confusing at best and adds no value to NagMIN.  This may have eased some configuration burdens in the past when editing the files directly.  I think the Service Group or Port Scan features of NagMIN make more sense.

My eventual goal with NagMIN is to minimize having to manually configure services at all.  It just doesn't scale well.  Like I mentioned earlier, I have one service defined and am

using 15 of 44 templates.  In one instance, I'm monitoring 344 services using PortScan and Service Groups for 72 hosts.

If you need to do embedded service templates like this for special cases, you can still create Nagios configuration files and add them to nagios.cfg.  You can edit them from NagMIN.


Fred


-----Original Message-----
From: Dan Rich [mailto:drich at employees.org]
Sent: Friday, March 28, 2003 1:32 PM
To: Fred Reimers
Subject: Re: Contact Templates



Fred Reimers said:
> Dan,
>
> I didn't know you could create contact templates!!  I'll add the table in
> tonight.  This will help with some other stuff I'm trying to automate.

I think you're going to have problems down the road though if you keep
differentiating between templates and the defined data.  There's nothing to
stop me from defining lots of templates and building them together as I go.  
For example, the following is a valid config:

define service{
        name                    test-24x7
        use                     generic-service
        notification_period     24x7

        register                0
}
define service{
        name                    test-wcr
        use                     test-24x7
        notification_options    w,c,r
        register                0
}
define service{
        name                            ssh-test-service

        use                             test-wcr
        service_description             SSH
        is_volatile                     0
        check_period                    24x7
        max_check_attempts              3
        normal_check_interval           5
        retry_check_interval            1
        contact_groups                  smallservers-admin-admins
        notification_interval           120
        notification_period             24x7
        notification_options            w,c,r
        check_command                   check_ssh
        register                        0
}
define service
        use                             ssh-test-service
        host_name                       myhost
        contact_groups                  test
}

.....


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