check_nrpe misbehaving?
Andreas Ericsson
ae at op5.se
Fri Apr 22 12:00:11 CEST 2005
schnitzel meister wrote:
> Hello again,
> Thanks for your previous help, maybe you can help me again?
>
> I'm having some trouble with check_mailq returning the wrong return
> code - but only when running over check_nrpe.
>
It's a permission issue in 99.9% of the cases.
> To find out why, I ran the plugin on both the mail server and the
> nagios server from the command line.
>
> On the mail server, I have:
> while true; do
> /usr/lib/nagios/plugins/check_mailq -w 50 -c 100
> echo "Return: $?";
> sleep 5;
> done
>
Are you running this as the user nrpe runs as? Does it give different
output when run as root vs the nrpe user?
> and on the nagios box I have:
> while true; do
> /usr/lib/nagios/plugins/check_nrpe -n -H ip.goes.here -c check_mailq1;
> echo "Return: $?";
> sleep 5;
> done
>
> The mail server ALWAYS returns an "OK: mailq empty message", return code 3.
> check_nrpe on the nagios box also always returns an "OK: mailq empty
> message", but 20% of the time has a return code of 0.
>
> Any ideas?
>
Several.
1/ Permissions (see above).
2/ check_mailq seems broken, since it reports UNKNOWN but yet produces
output which would lead one to think the mailqueue is empty (which it
can't know if it returns UNKNOWN).
3/ You're running an MTA which check_mailq doesn't know how to check
(links in to 2, since it's per definition broken for failing to report
this).
--
Andreas Ericsson andreas.ericsson at op5.se
OP5 AB www.op5.se
Lead Developer
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