#!/bin/bash

#set -x

#    Name: build_centos_dvd.sh
# Purpose: Customize a Centos DVD
#  Author: David Morris

shopt -s -o nounset

START_TIME=$(date +%s)

        SOURCE_ISO=$1
    SOURCE_ISO_DIR=/export/iso
SOURCE_MOUNT_POINT=/mnt/temp_mount
          DVD_TYPE="CentOS"
          CUSTOMER="MOESTAVERN"
              DATE=`/bin/date +'%Y-%m-%d %H:%M:%S'`
     KICKSTART_DIR=/export/kickstart
KICKSTART_FILENAME=$2
    KICKSTART_FILE=${KICKSTART_DIR}/$2

if [ ! -f ${SOURCE_ISO_DIR}/${SOURCE_ISO} ]; then
   echo "Cannot find ISO file: ${SOURCE_ISO_DIR}/${SOURCE_ISO}"
   exit 255
fi

if [ ! -f ${KICKSTART_FILE} ]; then
   echo "Cannot find KickStart file: ${KICKSTART_FILE}"
   exit 255
fi

EXPLODED_ISO_DIR=/media/LaCie/isobuild
        RPMS_DIR=/export/extra_rpms
  TARGET_ISO_DIR=/export/custom_iso
    ISO_FILENAME=centos5-custom.iso
 TARGET_ISO_FILE=${TARGET_ISO_DIR}/${ISO_FILENAME}
           TITLE="CUSTOM"

#echo "# ------------------------------------------------ #"
#echo "#            Extracting Source ISO                 #"
#echo "# ------------------------------------------------ #"
#sudo mount -o loop ${SOURCE_ISO_DIR}/${SOURCE_ISO}  ${SOURCE_MOUNT_POINT}
#rsync -arv ${SOURCE_MOUNT_POINT} ${EXPLODED_ISO_DIR}

echo "# ------------------------------------------------ #"
echo "#            Inserting Custom Kickstart            #"
echo "# ------------------------------------------------ #"
chmod 664 ${EXPLODED_ISO_DIR}/isolinux/isolinux.bin
chmod 764 ${EXPLODED_ISO_DIR}/isolinux/isolinux.cfg
ls -l ${EXPLODED_ISO_DIR}/isolinux

echo "Insert ${KICKSTART_FILE} file into iso image:"
cat ${KICKSTART_FILE}
cp ${KICKSTART_FILE}  ${EXPLODED_ISO_DIR}/ks.cfg

echo "DO PERL"

perl -i -p  -e 's{^default$}{default ks}; s{^(F5 rescue.msg)$}{$1\nF6 build.msg};' ${EXPLODED_ISO_DIR}/isolinux/isolinux.cfg

cat >> ${EXPLODED_ISO_DIR}/isolinux/isolinux.cfg <<EOF
label ks
kernel vmlinuz
append ks=cdrom:/ks.cfg initrd=initrd.img
EOF

echo "TEST BUILD" > ${EXPLODED_ISO_DIR}/isolinux/build.msg

echo "# ------------------------------------------------ #"
echo "#            Inserting Custom Splash               #"
echo "# ------------------------------------------------ #"
SPLASH_DIR=/export/custom_splash
if [ !  -z ${CUSTOMER} ]; then
    echo "Embedding build info in gif"
    #convert -font Courier -pointsize 22 -fill red -annotate +200+200 \
    #         "Linux: ${DVD_TYPE}\nBuild Date: ${DATE}\n" \
    #          ${SPLASH_DIR}/${CUSTOMER}_original.gif ${SPLASH_DIR}/${CUSTOMER}_splash.gif

    echo "Converting gif to pmn"
    giftopnm ${SPLASH_DIR}/${CUSTOMER}_splash.gif > ${SPLASH_DIR}/${CUSTOMER}_splash.ppm
    echo "Converting pnm to lss"
    ppmtolss16 < ${SPLASH_DIR}/${CUSTOMER}_splash.ppm > ${SPLASH_DIR}/${CUSTOMER}_splash.lss
    cp ${SPLASH_DIR}/${CUSTOMER}_splash.lss ${EXPLODED_ISO_DIR}/isolinux/splash.lss
fi

echo "# ------------------------------------------------ #"
echo "#            Inserting Custom RPM's                # "
echo "# ------------------------------------------------ #"
cp ${RPMS_DIR}/*.rpm  ${EXPLODED_ISO_DIR}/${DVD_TYPE}
cd ${EXPLODED_ISO_DIR}
createrepo -g repodata/comps.xml ${EXPLODED_ISO_DIR}

echo "# ------------------------------------------------ #"
echo "#                 Mastering ISO                    #"
echo "# ------------------------------------------------ #"
mkisofs -o ${TARGET_ISO_FILE} -b isolinux/isolinux.bin \
        -c isolinux/boot.cat \
        -no-emul-boot -boot-load-size 4         \
        -boot-info-table -R -m TRANS.TBL .

END_TIME=$(date +%s)

DURATION=((END_TIME-START_TIME))

print "Job Completed in ${DURATION} seconds"