Graph % of used space of LVM Snapshot

munin_-_lvm_snap_used

#!/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

if [ "$1" = "autoconf" ]; then
        /usr/sbin/lvdisplay 2>/dev/null >/dev/null
        if [ $? -eq 0 ]
        then
          echo yes
          exit 0
        else
                echo "no lvdisplay found"
        fi
        exit 1
fi



if [ "$1" = "config" ]; then
	echo 'graph_title Allocated space for snapshot (%)' 
	echo 'graph_vlabel %'
	echo 'graph_category disk'
	echo 'graph_args --upper-limit 100 -l 0'
        /usr/sbin/lvdisplay -C | awk '$3 ~ /^s/{print $1".label "$1" snapshot of "$5; print $1".warning 92";print $1".critical 98"} '
	exit 0
fi


/usr/sbin/lvdisplay -C | awk '$3 ~ /^s/{print $1".value",int($6)} '