#!/usr/bin/env bash

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#

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# $Id: installIso.sh 9132 2010-06-04 20:17:43Z manuel $ $HeadURL: svn://svn.lab.vmops.com/repos/vmdev/java/scripts/storage/installIso.sh $

# installIso.sh -- install an iso

usage() {

printf "Usage: %s: -t <iso-fs> -f <iso file> -c <md5 cksum> [-u]\n" $(basename $0) >&2

}

#set -x

verify_cksum() {

echo "$1 $2" | md5sum -c --status

if [ $? -gt 0 ]

then

printf "Checksum failed, not proceeding with install\n"

exit 3

fi

}

install_file() {

local isofs=$1

local isofile=$2

local cleanup=$3

local tmpltname=$4

mv $isofile /$isofs/$tmpltname

if [ $? -gt 0 ]

then

printf "Move operation failed, iso $isofile not installed\n"

exit 4

fi

#create symbolic link for iso file

file=$tmpltname

isofs=$isofs/$file

mp=${isofs%/iso/*}

mp=/$mp/iso

path=${isofs:${#mp}}

pushd $mp

ln -s $path $file

popd

}

tflag=

fflag=

cleanup=false

cflag=

tmpltname=

while getopts 'ut:f:n:c:' OPTION

do

case $OPTION in

t) tflag=1

isofs="$OPTARG"

;;

f) fflag=1

isofile="$OPTARG"

;;

c) cflag=1

cksum="$OPTARG"

;;

u) cleanup="true"

;;

n) tmpltname="$OPTARG"

;;

?) usage

exit 2

;;

esac

done

if [ "$tflag$fflag" != "11" ]

then

usage

exit 2

fi

if [ -n "$cksum" ]

then

verify_cksum $cksum $isofile

fi

if [ ${isofs:0:1} == / ]

then

isofs=${isofs:1}

fi

if [ ! -d /$isofs ]

then

mkdir -p /$isofs

if [ $? -gt 0 ]

then

printf "Failed to create iso fs $isofs\n" >&2

exit 1

fi

fi

install_file $isofs $isofile $cleanup $tmpltname

isofilename=${isofile##*/}

today=$(date '+%m_%d_%Y')

echo "filename=$tmpltname" > /$isofs/template.properties

echo "snapshot.name=$today" >> /$isofs/template.properties

exit 0