how to customize which macros get sent with service event handlers?

[Marc Powell]

> -----Original Message-----
> From: nagios-users-admin at lists.sourceforge.net [mailto:nagios-users-
> admin at lists.sourceforge.net] On Behalf Of prosolutions at gmx.net
> Sent: Tuesday, March 07, 2006 12:22 PM
> To: nagios-users at lists.sourceforge.net
> Subject: [Nagios-users] how to customize which macros get sent with
> service event handlers?
> 
> 
> According to
http://nagios.sourceforge.net/docs/2_0/eventhandlers.html:
> 
> "In most cases, event handler commands will be shell or perl scripts.
At
> a minimum, the scripts should take the following macros as arguments:
> 
> Service event handler macros: $SERVICESTATE$, $SERVICESTATETYPE$,
> $SERVICEATTEMPT$"
> 
> 
> I have created a simple external command triggerend by a service event
> handler that just echoes $@ to a temp file and can verify that it does
> provide these three macros to the external command.  But I want/need
to
> provide other macros (such as $HOSTNAME$) to my external command.  I'm
am
> not sure how this is done - am not finding anything in the docs which
> mentions how to do this.  Is there some config option where which
macros
> are sent by an event handler can be defined?

Add it to your command definition for your event handler. Using the
example service event handler on the documentation page referenced above
it becomes --

define command{
	command_name	restart-httpd
	command_line
/usr/local/nagios/libexec/eventhandlers/restart-httpd  $SERVICESTATE$
$SERVICESTATETYPE$ $SERVICEATTEMPT$ $HOSTNAME$
	}

Your event handler script needs to grab that extra command line argument
to do something useful with it of course. How that's done varies widely
based on the scripting language used. For /bin/sh, the hostname would be
stored in the $4 variable.

--
Marc


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