#!/bin/bash
#
# Wildcard-plugin to monitor free disk.
#
#    ln -s /usr/share/munin/plugins/freedisk_ /etc/munin/plugins/freedisk_hda1
#
# ...will monitor /dev/hda1.
#
# $Log$
# Revision 0.1	2010/11/01	guenter@grodotzki.ph
# init

# parse wildcard config
DISK=`basename $0 | sed 's/^freedisk_//g'`

# output config
if [ "$1" = "config" ]; then
	echo "graph_title Free Disk on /dev/$DISK"
        echo "graph_args --base 1024"
        echo "graph_vlabel Free Disk in Bytes"
        echo "graph_category disk"
        echo "freedisk.label free Bytes"
	echo "freedisk.draw LINE3"
	echo "freedisk.cdef freedisk,1024,*"
	echo "totaldisk.label total Bytes"
        echo "totaldisk.draw AREA"
        echo "totaldisk.cdef totaldisk,1024,*"
	exit 0
fi

# get data
OUTPUT=`df -P | grep "$DISK"`

echo "freedisk.value `echo $OUTPUT | cut -d ' ' -f 4`"
echo "totaldisk.value `echo $OUTPUT | cut -d ' ' -f 2`"