Re: [Pnp4nagios-users] Templates and check_nrpe

[Tim D. <ti...@co...>]

That cleared things up immensely.  I have it working now.

Thanks a bunch.

-----Original Message-----
From: pnp...@li...
[mailto:pnp...@li...] On Behalf Of Miguel
Angelo Rozsas
Sent: Friday, August 03, 2007 11:33 AM
Cc: pnp...@li...
Subject: Re: [Pnp4nagios-users] Templates and check_nrpe

To take advantage of PNP templates you need to change your check_command 
definition to something like this:

For local checks (in services.cfg):
	check_command       check_local_load!15,10,5!30,25,20
For remote checks (in services.cfg):
	check_command       check_load #I don't like NRPE receiving
arguments from remote host.

and the definition of check_local_load and check_load:
For local checks (in checkcommands.cfg)
	define command{
        	command_name    check_local_load
        	command_line    $USER1$/check_load -w $ARG1$ -c $ARG2$
        }
For remote checks (in checkcommands.cfg):
	define command{
        	command_name    check_load
        	command_line    $USER1$/check_nrpe -H $HOSTADDRESS$ -c
check_load
        }

finally in remote machine (/etc/nagios/nrpe.cfg). Note the arguments are
static here. I don't think nrpe receiving arbitrary arguments is a good
idea.

command[check_load]=/usr/lib/nagios/plugins/check_load -w 15,10,5 -c
30,25,20

The point here is to have a check_command in services.cfg named 
"check_load" which binds to check_load.php in PNP templates.dist directory.
To bind check_local_load to check_load.php in PNP templates directory, 
crate a link from check_local_load.php to check_load.php:
# ls -l check_local_load.php
lrwxrwxrwx 1 root root 32 2007-07-18 10:44 check_local_load.php -> 
../templates.dist/check_load.php
#
Them, does not matter if you calling check_local_load or check_load via 
nrpe. The output is the same and both are handled by 
../templates.dist/check_load.php.

Bottom line: Don't use check_nrpe in services.cfg. Map 
check_remote_whatever to check_nrpe in check_commands.cfg. Doing so, 
your check commands will match a template name in PNP templates.dist or 
templates dir.

The same ideia applies to check_disk_whatever, like I explained in my 
previous post.

I hope this can make the thinks more clear.


Tim Donnelly wrote:
> Thanks both for your quick responses.  I have actually made some progress
:)
>
> However I am a bit confused on two things.
>
> One is the syntax of this line:
>
> check_command check_nrpe!LOAD5!80%!90%
>
> What does the LOAD5!80%!90% mean?  I assume the percentages are warning
> levels and the graph will show when the load reached those marks?
>
>   
Look the definition of LOAD5 in the remote machine ! (grep -i load 
--color /etc/nagios/nrpe.cfg)
In my check_load command the arguments are different. It expects a 
triplet for waring and critical values.
/usr/lib/nagios/plugins/check_load -w 80% -c 90%
Warning threshold must be float or float triplet!

Usage:check_load -w WLOAD1,WLOAD5,WLOAD15 -c CLOAD1,CLOAD5,CLOAD15

> I am currently gathering perfdata for load, users, disk status and http
> status via nrpe.  I would like to have non-default templates applied to
> these as well, if the etc/pnp/check_commands file for load is called
> check_nrpe.cfg, how do I define a custom cfg for the disk status?
>   
I think the best is to define nrpe in check_commands.cfg, not in 
services.cfg.
> I am not sure that the above is clear so if I can do anything to clarify
> please let me know.
>   
Please, if there are any questions already, don't hesitate to ask.


best regards,


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