Postfixqueue.pm

package CloudForecast::Data::Postfixqueue;

use CloudForecast::Data -base;
use CloudForecast::Log;

rrds map { [ $_, 'GAUGE' ] } qw /incoming active deferred hold/;
graphs 'queue' => 'Postfix Queue';
title { 'Postfix Queue' };

fetcher {
    my $c = shift;

    my $ret = $c->component('SNMP')->extend('postfixqueue');

    return [undef,undef,undef,undef] if !$ret || !$ret->[0];

    $ret->[0]=~s/\s+$//g;
    my %ret = map { split /:/,$_,2 } split /\s/,$ret->[0],4;

    return [
        map { exists $ret{$_} ? $ret{$_} : undef } qw/incoming active deferred hold/
    ];
};

1;

__DATA__
@@ queue
DEF:my1=<%RRD%>:incoming:AVERAGE
DEF:my2=<%RRD%>:active:AVERAGE
DEF:my3=<%RRD%>:deferred:AVERAGE
DEF:my4=<%RRD%>:hold:AVERAGE
AREA:my1#0000C0: Incoming 
GPRINT:my1:LAST:Current\:%6.2lf
GPRINT:my1:AVERAGE:Ave\:%6.2lf
GPRINT:my1:MAX:Max\:%6.2lf\c
STACK:my2#009900: Active 
GPRINT:my2:LAST:Current\:%6.2lf 
GPRINT:my2:AVERAGE:Ave\:%6.2lf 
GPRINT:my2:MAX:Max\:%6.2lf\c
STACK:my3#990000: Deferred 
GPRINT:my3:LAST:Current\:%6.2lf 
GPRINT:my3:AVERAGE:Ave\:%6.2lf 
GPRINT:my3:MAX:Max\:%6.2lf\c
STACK:my4#660000: Hold 
GPRINT:my4:LAST:Current\:%6.2lf 
GPRINT:my4:AVERAGE:Ave\:%6.2lf 
GPRINT:my4:MAX:Max\:%6.2lf\c

queue.sh

#!/bin/sh

PATH="/usr/sbin:$PATH"
QUEUES="incoming active deferred hold"

for i in $QUEUES; do
        COUNT=`/usr/sbin/qshape $i|grep TOTAL | awk '{print $2}'`
        printf "$i:$COUNT "
done
echo ''

snmpd.conf

extend postfixqueue /path/to/queue.sh