Cloudkick custom plugin for checking the number of inodes in use

inodes.sh

#!/bin/bash
echo "status ok ok"
arr=$(df -i | grep xvda | tr "\t" "\n")
OLD_IFS="$IFS";
IFS=" ";
vars=( $arr );
IFS="$OLD_IFS"
echo "metric Inodes int" ${vars[1]}
echo "metric IUsed int" ${vars[2]}
echo "metric IFree int" ${vars[3]}