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________________________________________
From: Nibin VM [nibin...@piserve.com]
Sent: Sunday, January 23, 2011 10:46 AM
To: nagios-users@lists.sourceforge.net
Subject: [Nagios-users] Trying to develop a new perl plugin
Hello guys,
I am trying to write some nagios perl plugin to monitor some services I'm
responsible for. Initially I tried to write custom plugin to monitor mail
queue using the following script.
===========
#!/usr/bin/perl -w
use strict;
use Net::SNMP;
use Getopt::Long;
use lib "/usr/lib64/nagios/libexec";
my %ERRORS=('OK'=>0,'WARNING'=>1,'CRITICAL'=>2,'UNKNOWN'=>3);
my $host = undef;
my $result = undef;
my @array = undef;
$host=$ARGV[0];
$result=`/usr/lib64/nagios/plugins/check_snmp -H $host -C "community" -o
extOutput.1`;
@array = split(/\ /, $result);
chomp($array[3]);
if ( $array[3] le "19999" )
{
print "OK: current emails queue is $array[3]\n";
exit $ERRORS{"OK"};
}
elsif ( $array[3] ge "20000" && $array[3] le "29999" )
{
print "Warning: current emails queue is $array[3]\n";
exit $ERRORS{"WARNING"};
}
elsif ( $array[3] ge "30000" )
{
print "Critical: current emails queue is $array[3]\n";
exit $ERRORS{"CRITICAL"};
}
else
{
print "Unknown";
exit $ERRORS{"UNKNOWN"};
}
================
As you can see, I use snmp to pull mail queue from the remote server. When I
try the command from command line it work fine.
]# ./test.pl<http://test.pl> "server name"
OK: current emails queue is 264
But from the nagios from end it shows as critical and it shows "Critical:
current emails queue is Unknown" error :(
Please somebody help me to sort this out. Obviously its the first perl script
that I ever wrote and I really interested to write more plugins in perl(I am
in love with perl now :) ).
Thanks in advance!
--
Regards,
Nibin.
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