Return Code of 4

[Weiner, Michael]

-----Original Message-----
From: Andreas Ericsson [mailto:ae at op5.se] 

On 04/15/2010 10:32 PM, Weiner, Michael wrote:
> 
> $USER1$/check_pool my-backup-server 100 20 Scratch ALL
> 
> The check_pool script simply users vmquery via sudo in order to
elevate
> the nagios users' rights to be that of root and run the appropriate
> command:
> 
> sudo -u nagios /usr/local/openv/volmgr/bin/vmquery -h my-backup-server
> -b -pn Scratch
> 
> Running this at the command line (even as user nagios) succeeds and
> gives me
> 
> Scratch OK : available tapes 121|Scratch=121;100;20
> 
> However once I add this as a service check to nagios I receive the
> following:
> 
> Warning: Return code of 4 for check of service 'Scratch_Pool_Check' on
> host 'my-backup-server' was out of bounds.
> 

Try this from your Nagios server:

true; echo $?
false; echo $?

Those are return codes. A numerical value the running program sets for
the master program to reap. The textual output has absolutely nothing
to do with that return code.

If you run the check exactly like Nagios does it and then, immediately
after having run the check, run the command

echo $?

you will get the return code of the check command. Note that you can
only inspect $? once, as it takes a new value for each command you run.

Thanks Andreas -

I did a little testing and it seems that if I fail to put in all the
arguments the script requires at the command line and then do an 'echo
$?' I receive a return code of 4. So, there must be something wrong with
my checkcommand that I have in nagios. I will dig and see what I can
come up with.

Thanks again
Michael

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