#!/usr/pkg/bin/bash
#
# Script to monitor disk usage.
#
# Parameters understood:
#
# 	config   (required)
# 	autoconf (optional - used by munin-config)
#
# Environment
#       warning  Percentage at which to give warning, default 92
#       critical Percentage at which to give critical, default 98
#
# This package has added support for NetBSD, via a number of new plugin
# scripts where specific steps needs to be taken to collect information.
#
# Magic markers (optional - used by munin-config and installation
# scripts):
#
#%# family=auto
#%# capabilities=autoconf

TYPES=noprocfs,devfs,fdescfs,ptyfs,kernfs,nfs

if [ "$1" = "autoconf" ]; then
	echo yes
	exit 0
fi

if [ "$1" = "config" ]; then

	echo 'graph_title Disk usage in percent'
	echo 'graph_args --upper-limit 100 -l 0'
	echo 'graph_vlabel %'
	echo 'graph_category disk'
	echo 'graph_scale no'
	echo 'graph_info This graph shows disk usage on the machine.'
	mfs=0
	/bin/df -P -t $TYPES | tail +2 | grep -v "//" | while read i; do
		case $i in
		mfs:*) name=mfs$mfs; mfs=`expr $mfs + 1`;;
		*) name=`echo "$i" | awk '{ gsub("[^a-zA-Z0-9_]", "_", $1); print $1 }'` ;;
		esac
		echo -n "$name.label "
		echo "$i" | awk '{ print $6 }'
		echo "$name.warning ${warning:-92}"
		echo "$name.critical ${critical:-98}"
	done
	exit 0
fi

mfs=0
/bin/df -P -t $TYPES | tail +2 | grep -v "//" | while read i; do
	case $i in
	mfs:*) name=mfs$mfs; mfs=`expr $mfs + 1`;;
	*) name=`echo "$i" | awk '{ gsub("[^a-zA-Z0-9_]", "_", $1); print $1 }'` ;;
	esac
	echo -n "$name.value "
	echo "$i" | awk '{ print $5 }' | cut -f1 -d%
done
