NSCA and long output

[Aaron Mills]

What I'm really trying to get is multi-line output. Nagios/NRPE supports
this (v3.x) e.g.:

TEXT OUTPUT | OPTIONAL PERFDATA
LONG TEXT LINE 1
LONG TEXT LINE 2

This works for NRPE, but not with NSCA, since NSCA can only take a
single line as an argument.

What I'm trying to achieve is sending process monitoring data back
passively like so:

PROCS OK:
Proc1: 3 processes running
Proc2: 1 process running
Proc3: 1 process running

Any ideas? 

	-Aaron

Aaron Mills
Systems Administrator
Return Path, Inc.
http://www.returnpath.net
aaron.mills at returnpath.net
 
From: Mike Hamrick <mikeh at bluegecko.net>
Subject: Re: [Nagios-users] NSCA and long output
To: Nagios Users Mailinglist <nagios-users at lists.sourceforge.net>
Message-ID: <C797C1C7-FBA8-446F-8937-31707599EC0C at bluegecko.net>
Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes

Hi Aaron,

You wrote:
> I've been trying to figure out if this is possible for a while. I'm 
> using NRPE and $LONGHOSTOUTPUT$ for a number of tests, which is great,

> except for passive monitoring. We have several data centers that run 
> their own Nagios boxes and then ship the data back to the master 
> Nagios server via NSCA. The problem is that I can't get NSCA to 
> utilize the $LONGHOSTOUTPUT$ - this is kind of critical for things 
> like log file checks, etc. With NSCA this data doesn't get passed.

Looking at the NSCA sources, common.h has:

#define MAX_PLUGINOUTPUT_LENGTH       512

I'm guessing that's the issue right there.  The first thing I'd try is
to bump that up to 4096, and recompile send_nsca and nsca.  I haven't
looked very carefully at the source or tried this myself, but it seems
like a good place to start.

Mike

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