#!/bin/sh
# 
# Plugin to monitor courier-mta mail spools
#
# Author: Rune Nordbøe Skillingstad <runesk@linpro.no>
#
# Usage: copy or link into /etc/munin/node.d/
#
# Parameters:
#
#       config   (required)
#       autoconf (optional - used by munin-config)
#
# Config variables:
#
#       spooldir     - Where to find mails in queue
#
# Magic markers (optional - used by munin-config and some installation
# scripts):
#
#%# family=auto
#%# capabilities=autoconf
 
# Can be set via environment, but default is /var/lib/courier/msgq/
SPOOLDIR=${spooldir:-/var/lib/courier/msgq/}

case $1 in
    autoconf|detect)
	if [ -d $SPOOLDIR/ -a -r $SPOOLDIR/ ] ; then
	    echo yes
	    exit 0
        else
	    echo "no (spooldir not found)"
	    exit 1
        fi;;
    config)
	cat <<'EOF'
graph_title Courier MTA mailqueue
graph_vlabel Mails in queue
graph_args --base 1000 -l 0
mails.label mails
mails.draw AREA
EOF
	exit 0;;
esac

cd $SPOOLDIR >/dev/null 2>/dev/null || {
     echo "# Cannot cd to $SPOOLDIR"
     exit 1
}

cat <<EOF
mails.value $(find . -type f | wc -l | sed 's/ *//')
EOF
