Munin contributed plugins

#!/bin/bash

#

# Plugin to monitor the % of allocated area of a LVM snapshot

#

# Parameters:

#

# 	config

# 	autoconf

#

# Configuration variables

#    no config variables

#

#%# family=auto

#%# capabilities=autoconf

#

# 2011/05/20 - pmoranga - initial version

#

# 2012/01/27 - Sébastien Gross

#            - Fix lvdisplay path

. $MUNIN_LIBDIR/plugins/plugin.sh

lvdisplay=$(which lvdisplay)

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

    if test -n "${lvdisplay}"; then

        echo yes

        exit 0

    fi

    echo "no lvdisplay found"

    exit 1

fi

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

	echo 'graph_title Allocated space for snapshot'

	echo 'graph_vlabel %'

	echo 'graph_category disk'

	echo 'graph_args -l 0 -u 100 -r'

fi

${lvdisplay} -C | awk '$3 ~ /^s/{print}' | while read line; do

    name="$(echo $line | awk '{print $1}')"

    id="$(clean_fieldname "$name")"

    origin="$(echo $line | awk '{print $5}')"

    origin="$(clean_fieldname "$origin")"

    percent="$(echo $line | awk '{print $6}')"

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

        echo "$id.label $name snapshot of $origin"

    else

        echo "$id.value $percent"

    fi

done