check_nrpe 2.0 and simple shell scripting

[Marc Powell]

> -----Original Message-----
> From: nagios-users-admin at lists.sourceforge.net [mailto:nagios-users-
> admin at lists.sourceforge.net] On Behalf Of Frank Thyes
> Sent: Friday, February 17, 2006 1:30 PM
> To: nagios-users at lists.sourceforge.net
> Subject: [Nagios-users] check_nrpe 2.0 and simple shell scripting
> 
> 
> Dear list,
> im expieriencing a strange behaviour with check_nrpe in conjunction
> with a simple shell script. The script does nothing exceptionally.
> The script should check the files which hang around in the
> postfic mailq. Sure for this purpose exists a special plugin called
> check_mailq, but this plugin just calls the program mailq. Supposed
> we have 20k mails in there the command needs a lot of time to
> comlete. Its faster to count the files in active and deferred to get
> the whole queue. Unfortunately each time i use something like the
> example among, the script just return exit code 3, unkonw...
> 
> ACTIVE=`find /var/spool/postfix/active/ -type f | wc -l`
> ..
> if [ $AMOUNT -ge 0 ]; then
> ..
> 
> Writing the output from find to a tmp file doesnt work too
> 
> /usr/bin/find /var/spool/postfix/active/ -type f > /tmp/active
> ACTIVE=`cat /tmp/active| wc -l`
> 
> The general functionality has been verified with statical values.
> 
> Any ideas?

Typically mail queues are only readable by root. Have you modified
permissions on the queue directory, the script or are you using sudo to
run it successfully as a non-root user? The mailq command typically has
the required permissions and that's why it's used by check_mailq.

Are you exiting with the proper output and exit code that nagios
requires? See the Developer Guidelines at http://nagiosplug.sf.net if
you haven't already. 

As to why your script always exits with code 3, we can't tell you since
we didn't write the script and you didn't post enough of it to tell
anything really useful. If that's not what it should be exiting with,
then change the script to return the proper exit code.

--
Marc


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