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: / usr / src / nrpe-2.15 / contrib /
Filename : README.nrpe_check_control
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NOTES:
------

The service definition below assumes you have a command called "check_tcp" already setup
in your config files.

The command definition below assumes that the $USER1$ macro is used to define the location
of your Nagios plugins (i.e. "/usr/local/nagios/libexec") and that the nrpe_check_control
service is located in that directory.



SAMPLE CONFIG FILE SNIPPETS:
----------------------------

define service {
	host_name	<host name goes here>
	description	NRPE
	...
	event_handler	nrpe_check_control
	check_command	check_tcp!-p 5666
        }

define command {
	command_name	nrpe_check_control
	command_line	$USER1$/nrpe_check_control $SERVICESTATE$ $SERVICESTATETYPE$ $SERVICEATTEMPT$ "$HOSTNAME$"
	}




ORIGINAL EMAIL SNIPPET: 
-----------------------

Date sent:      	Fri, 30 Mar 2001 18:51:48 -0500
From:           	adam.bowen@<>
Subject:        	Event Handler
To:             	[nagios@nagios.org]

I am attaching the source code for an event handler I wrote to 
control checks using nrpe.  I add the following check to all remote hosts
using nrpe:

<see example above>

I added this line to the commands.cfg file:

<see example above>

When the NRPE service check listed above has 3 failed connection
attempts, it will run the nrpe_check_control which will search the
services file for all services for $HOSTNAME$ that use the check_nrpe.

It will then request that all these services be disabled.  When the
NRPE check returns to the OK state, it will request that all services
using check_nrpe be re-enabled. This will prevent unnecessary e-mail
when there is a problem with the NRPE daemon.  This does require 
that external commands be enabled.

(See attached file: nrpe_check_control.c)

I thought some other [Nagios] users might find this useful.

Adam G. Bowen