Sending $HOSTADDRESS$ or other to NRPE

[Mark Pearson]

Ok, so let me try to understand what you are attempting to do here.

Do you just want to ping a printer, from your Nagios Monitoring Box?  Or do
you want to ping the printer from another host that the Nagios monitoring
box is monitoring?

The reason I ask is it looks like all you are inevitably doing is a
check_ping, so why not do that from the Nagios host?  The NRPE would be used
if you wanted to run a command on a remote computer.  And in this case, ping
a device from a remote computer.  So why not just ping it from the Nagios
host vs. the remote computer.

HTH
-Mark

-----Original Message-----
From: Henrik Morsing [mailto:henrik at morsing.cc] 
Sent: Thursday, December 29, 2005 5:26 AM
To: nagios-users at lists.sourceforge.net
Subject: [Nagios-users] Sending $HOSTADDRESS$ or other to NRPE


'morning and merry christmas to all.

I spent a good many hours yesterday on trying to simplify using NRPE by
grouping some tests and sending a hostname to NRPE at the other end. I've
tried all possible (almost) configuration and order of variables etc. but
this just doesn't seem to be possible.

So, in services.cfg I have:

# Service definition
define service{
         use                             generic-service         ; Name of
service template to use
         hostgroup_name                  kg-printer
         service_description             KG-Printer
         [...]
         check_command                   check_nrpe!check_printer
         }

In checkcommands.cfg I have:

define command {
         command_name    check_printer
         command_line    /usr/lib/nagios/plugin/check_nrpe -H kg -c
check_printer -a $HOSTADDRESS$ $ARG1$ $ARG2$
         }

And in nrpe_local.cfg I have:

command[check_printer]=/usr/lib/nagios/plugins/check_ping -H $ARG1$ -w
100.0,20% -c 500.0,60%

My question is why it is not possible to send the host address to nrpe at
the other end? I've tried doing this for check-printer-alive in ping.cfg
as well with no luck.

I even replaced check_printer which is called by NRPE with a script that
showed me which variables got passed on the command line and all I got was
$HOSTADDRESS$ which was "sh" with a control character at the end!

Has someone actually tried this before? Or am I doing this the wrong way
completely? Googling has given me virtually nothing.

Thanks for any pointers!

Regards,
Henrik Morsing


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