#!/bin/bash

​

STATEF=/var/cache/nagios/check_ipmi_chassis

STATED=$(dirname $STATEF)

NGPH=$(dirname $0)

​

test -d $STATED || mkdir $STATED

​

test -f $STATEF || {

    echo 'Problem: No file with known good ipmi chassis state is present. Please run: ipmitool chassis status >'$STATEF >&2

    exit 3

}

​

ipmitool chassis status >$STATEF.new || {

    echo 'Problem: ipmitool command failed' >&2

    exit 3

}

​

MSG="$(

    diff -wBiy $STATEF $STATEF.new | while read s; do

    case $s in

        (*\|*)

                 COMP=$(echo $s | cut -d: -f1)

         STATE=$(echo $s | cut -d: -f3)

         echo -n $COMP is now $STATE' '

         ;;

    esac

    done

)"

​

case $MSG in

    '')  echo Chassis unchanged

         exit 0;;

    *)   echo "$MSG"

         exit 2;;

esac

​