Return code of 9 is out of bounds when plugin is runin nagios, but return code is 0 when run from shell

[Samuel Kidman]

The script is called from the nagios server itself, NRPE isn't involved.
It's really frustrating as I can't seem to find any source for the error
and I can't think of anymore troubleshooting steps or ways to repeat the
error outside of Nagios. Is there some way I can get more detail on why
this code is getting returned by using debugging options in nagios.cfg?

 

From: Kimberly McKinnis [mailto:kim at conviva.com] 
Sent: Wednesday, 14 September 2011 1:39 AM
To: Nagios Users List
Subject: Re: [Nagios-users] Return code of 9 is out of bounds when
plugin is runin nagios, but return code is 0 when run from shell

 

I got something similar when my script didn't have permission to run as
the nagios user. It looks like you've ruled that out by running it by
hand as nagios. 

 

Are you piping this through nrpe and calling it from the nagios server?
Can you call nrpe to the client machine from the nagios server on the
command line?  I.e. check_nrpe -H <client machine> -n -c
/usr/lib/nagios/plugins/<script> -w <threshold> -c <threshold>

 

C O N V I V A 

Kimberly McKinnis | Systems Engineer, Service Delivery | kim at conviva.com
| Mobile: 724.612.2716 |  

2 WATERS PARK DRIVE  |  SUITE 150  |  SAN MATEO  |  CA  |  94403  | 
www.conviva.com |

 

From: Samuel Kidman <Samuel.Kidman at panres.com>
Reply-To: Nagios Users List <nagios-users at lists.sourceforge.net>
Date: Tue, 13 Sep 2011 13:53:24 +0800
To: Nagios Users List <nagios-users at lists.sourceforge.net>
Subject: Re: [Nagios-users] Return code of 9 is out of bounds when
plugin is runin nagios, but return code is 0 when run from shell

 

Hi

 

Does anyone know what's causing this error? I am utterly stumped.

 

From: Samuel Kidman [mailto:Samuel.Kidman at panres.com] 
Sent: Thursday, 8 September 2011 3:52 PM
To: nagios-users at lists.sourceforge.net
Subject: [Nagios-users] Return code of 9 is out of bounds when plugin is
runin nagios, but return code is 0 when run from shell

 

Hello


I am having an issue with a plugin I just wrote where the Nagios says
the return code is 9. If I do the following:

 

lnm at PR-LNM-CR-NAG01:/usr/local/nagios/libexec$ sudo -u nagios
./check_snmp_mw_local_rx_power.pl --hostname 192.168.27.140
--rocommunity EMSOLUTIONS --snmp-version 1

CHECK_RX_POWER OK - Local RX Power OK (-47.5dBm),
|'local_RX_Power'=-47.5;-67;-100;;

lnm at PR-LNM-CR-NAG01:/usr/local/nagios/libexec$ echo $?

0

 

It suggests the return code is 0.


I have disabled the embedded perl interpreter.

 

Can anyone tell what is going wrong?

 

Plugin source code below:

 

#!/usr/bin/perl

 

=pod

 

=head1 NAME

 

Name of plugin and a sentence explaining function

 

-head2 SYNOPSIS

 

Detailed explanation of what the check does, any caveats, etc.

 

=cut

 

sub check_snmp_mw_rx_power {

    use strict;

 

    use FindBin;

    use RRDs;

    use lib "$FindBin::Bin/lib";

    use lib "/usr/local/nagios/perl/lib";

 

    use Nagios::Plugin::SNMP;

    use Nenm::Utils;

 

    my $USAGE = <<EOF;

EOF

 

    my $LABEL = 'CHECK_RX_POWER';

 

    my $plugin = Nagios::Plugin::SNMP->new(

        'shortname' => $LABEL,

        'usage'     => $USAGE

    );

 

    $plugin->add_arg(

            spec => 'warning|w=s',

            help => "-w, --warning=INTEGER:INTEGER\n" .

            "Minimum and maximum number of allowable result, outside of
which a warning will be generated.\n",

            default => -67

            );

    

    $plugin->add_arg(

            spec => 'critical|c=s',

            help => "-c, --critical=INTEGER:INTEGER\n" .

            "Minimum and maximum number of allowable result, outside of
which a critical will be generated.\n",

            default => -100

            );

    

    $plugin->add_arg(

            spec => 'host|H=s',

            help => "-H, --host=STRING\n" .

            "IP address of Host to check\n"

            );

 

#example add_arg

#    $plugin->add_arg(

#        'spec' => 'interface|i=s',

#        'help' => "--interface, -i: Name of the interface to use; use
the\n" .

#                "                description as returned by
ifDescr.\n",

#       'required' => 0,

#       'default' = 'eth0/0'

#    );

 

#add arguments here

 

    $plugin->getopts;

 

    my $critical = $plugin->opts->critical;

    my $warning = $plugin->opts->warning;

    my $message;

    my $perfdata;

    my $LocalRXPower_OID = '.1.3.6.1.4.1.10132.9.1.4.12.0';

    my $LocalRXPower;

    my $local_return;

 

    my $result = $plugin->get($LocalRXPower_OID);

 

    $LocalRXPower = $result->{$LocalRXPower_OID} / 10;

 

    if ($LocalRXPower < $critical)

    {

        $message    = "CRITICAL: Local RX Power to low to maintain link.
(${LocalRXPower}dBm), ";

        $local_return = 2;

    }

    elsif   ($LocalRXPower < $warning)

    {

        $message = "WARNING: Local RX Power to low to maintain 32-QAM
Modulation. (${LocalRXPower}dBm), ";

        $local_return = 1;

    }

    else

    {

        $message = "Local RX Power OK (${LocalRXPower}dBm), ";

        $local_return = 0;

    }

    $perfdata = "'local_RX_Power'=$LocalRXPower;$warning;$critical;;";

 

    $plugin->nagios_exit($local_return, $message . "|" . $perfdata);

 

}

 

exit check_snmp_mw_rx_power();

 

 

 

Sam Kidman

IT Support Officer

--------------------------

T:        08 9225 0944

 

 

 

 

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