#!/bin/bash 
#
# Program: E-mail fault manager errors <fmadmnotifier.sh>
#
# Author: Matty < matty91 at gmail dot com >
#
# Current Version: 1.0
#
# Revision History:
#
#  Version 1.0
#    Initial Release
#
# Last Updated: 08-18-2006
#
# Purpose:
#   Fmadm.sh queries the fault manager to see if errors have been 
#   generated. If an error is detected, the script will email the
#   admininstrator defined in the ADMIN vairable with the error 
#   details.
#
# License:
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# Installation:
#   Copy the shell script to a suitable location
#
# Usage:
#   To check for events once per hour, add a cron job similar to the following:
#
#   $ crontab -l | grep fmadmnotifier.sh
#   0 * * * * /etc/scripts/fmadmnotifier.sh
#

PATH=/usr/bin:/sbin:/usr/sbin:/usr/sfw/bin

# Who to E-mail with new updates
ADMIN="root"

# Location of binaries
AWK=$(which awk)
FMADM=$(which fmadm)
HOSTNAME=$(which hostname)
MAIL=$(which mailx)
MKTEMP=$(which mktemp)

# Check to make sure the mail binary exists
if [ ! -f ${MAIL} ]
then
        echo "Cannot find ${MAIL}"
        exit 1
fi

# Check to make sure the fmadm utility exists
if [ ! -f ${FMADM} ]
then
        echo "Cannot find ${FMADM}"
        exit 1
fi

# Verify that mktemp exists
if [ ! -f ${MKTEMP} ]
then
        echo "Cannot find ${MKTEMP}"
        exit 1
fi

# Run fmadm fauly to check for hardware errors
FMADMOUTPUT=$(${FMADM} faulty | ${AWK} '$0 !~ /STATE/ && $0 !~ /^----/ { print $0 }')

if [ -n "${FMADMOUTPUT}" ]
then
    WORK=`${MKTEMP} /tmp/fmadm.results.XXXXXX`

    echo "The fault manager detected a problem with the system hardware." >> ${WORK}
    echo "The fmadm and fmdump utilities can be run to retrieve additional" >> ${WORK}
    echo "details on the faults and recommended next course of action. " >> ${WORK}

    echo "" >> ${WORK}
    echo "fmadm faulty output:" >> ${WORK}
    echo "" >> ${WORK}

    # TODO: Find a way to do all of the above in memory
    ${FMADM} faulty >> ${WORK}

    HOST=$($HOSTNAME)
    cat ${WORK} | ${MAIL} -s "Hardware fault on ${HOST}" ${ADMIN}
    rm -f ${WORK}
fi