Subversion Repositories livecd

#!/bin/bash

#

###############################################################

#

# Main script to build LiveCD

# 

# will execute

# - ./customize-livecd.sh

# - ./mini-livecd.sh  (if -mini set)

# - ./linux-live.sl/runme.sh

# - ./restore-system.sh

#

# will take the configuration from

# - ./livecd.conf

#

# Urs Beyerle

#

###############################################################

###############################################################

### Functions

###############################################################

function usage() {

   ## Usage

   # ----------------------------------------------------------

   cat <<EOF

  Options:

    -h,--help   print this screen

  Optional Options:

    -psi        customize for PSI LiveCD

    -mini       build a MINI-CD (not well tested)

    -dvd        build a LiveDVD

  Additionally Options for MINI-CD:

    -nomove:    do NOT move to /mini to save diskspace 

    -rootlogin: directly login as root

  Configuration file:

    See livecd.conf for more configuration options !!

EOF

exit

}

###############################################################

### Definitions and settings

###############################################################

### read options from command-line

OPTIONS=$@

OS_RELEASE=""

while [ $# -gt 0 ]; do

    case "$1" in

       -h)

            usage; exit;;

       --help)

            usage; exit;;

       -help)

            usage; exit;;

       -psi)

            PSI="-psi"; shift; continue;;

       -mini)

            MINI="-mini"; shift; continue;;

       -nomove)

            NOMOVE="-nomove"; shift; continue;;

       -rootlogin)

            ROOTLOGIN="-rootlogin"; shift; continue;;

       -dvd)

            DVD="-dvd"; shift; continue;;

       *)

            usage;;

    esac

done

### check if I run inside my directory

if [ ! -x $( basename $0 ) ]; then

    echo "ERROR: Please run $( basename $0 ) within its directory"

    exit 1

fi

### source livecd.conf

. livecd.conf

### test input

if [ ! $OS_RELEASE ]; then

    echo "ERROR: Please define OS_RELEASE in livecd.conf"

    exit 1

fi

### show warning, if not in chroot

mounts=$( mount 2>/dev/null | grep -v proc )

if [ "$mounts" != "" ]; then

    echo; echo "It seems that you do not build in chroot."

    echo -n "Do you really want to continue (y/N)? "

    read -n 1 key

    [ "$key" != "y" ] && exit

fi

### do not run without psi option on a PSI installation

if [ -e /etc/sysconfig/psi ] && [ ! $PSI ]; then

    echo "I guess this is a PSI installation, please use option '-psi'"; echo

    exit

fi

### add extra boot options

BOOT_OPTIONS="$BOOT_OPTIONS $EXTRA_BOOT_OPTIONS"

### add option "psi" for PSI

[ $PSI ] && BOOT_OPTIONS="psi $BOOT_OPTIONS"

### define ARCH

ARCH=$( /bin/arch )

[ "$ARCH" != "x86_64" ] && ARCH=i686

### write script version to /etc/livecd-release

SCRIPT_VERSION=$( cat version 2>/dev/null )

echo $SCRIPT_VERSION > /etc/livecd-release

### Check if we have the kernel, which is defined in livecd.conf

wrong_kernel=""

rpm -q kernel | grep -q $KERNEL

[ "$?" != "0" ] && wrong_kernel="yes"

ls /lib/modules/$KERNEL >/dev/null

[ "$?" != "0" ] && wrong_kernel="yes"

if [ "$wrong_kernel" ]; then

    echo "ERROR: You don't have kernel $KERNEL installed."

    echo "       Please check your settings in livecd.conf"

    exit 1

fi

### Check for SMP kernel and set SMP variable

#   if you change SMP="s", you have also to change isolinux.cfg!

#   SMP can only be one character in lenght!

SMP=""

[ -e /boot/vmlinuz-${KERNEL}smp ] && export SMP="s"

###############################################################

### Build LiveCD

###############################################################

### display summary

### -----------------------------------------------------------

echo; echo "--------------------------------------------"

[ $DVD ]                  && echo "Build of LiveDVD started"

[ $MINI ]                 && echo "Build of MINI LiveCD started"

[ ! $DVD ] && [ ! $MINI ] && echo "Build of LiveCD started"

echo "Script version:      $SCRIPT_VERSION"

echo "Kernel version:      $KERNEL"

[ $SMP ] && echo "SMP Kernel version:  ${KERNEL}smp"

echo "--------------------------------------------"

[ $PSI ]  && echo "**** Build for PSI ****"

[ "$OS_RELEASE" = "4" ]  && echo "**** Build for SL4 ****"

[ "$OS_RELEASE" = "5" ]  && echo "**** Build for SL5 ****"

echo "--------------------------------------------"

### download livecd web page (for documentation)

### -----------------------------------------------------------

echo "Try to download latest livecd documentation"

rm -rf /tmp/doc

mkdir -p /tmp/doc/livecd

wget --timeout=3 --quiet -nH --mirror -X download -P /tmp/doc/livecd http://www.livecd.ethz.ch/

wget --timeout=3 --quiet -nH --mirror -P /tmp/doc/livecd http://www.livecd.ethz.ch/layout.css

[ -e /tmp/doc/livecd/layout.css ] && echo "done." || echo "download failed - not critical ;-)"

### Run customize-livecd.sh

### -----------------------------------------------------------

echo

echo "--------------------------------------------"

echo "Run ./customize-livecd.sh $PSI $DVD"

echo "--------------------------------------------"

./customize-livecd.sh $PSI $DVD $MINI

### Run mini-livecd.sh

### -----------------------------------------------------------

if [ $MINI ]; then

    echo "--------------------------------------------"

    echo "Run ./mini-livecd.sh $PSI $ROOTLOGIN $NOMOVE"

    echo "--------------------------------------------"

    ./mini-livecd.sh $PSI $ROOTLOGIN $NOMOVE

fi

### Create /usr/share/doc/livecd

### -----------------------------------------------------------

if [ -d /tmp/doc/livecd ]; then

    echo

    echo "--------------------------------------------"

    echo "Create /usr/share/doc/livecd"

    echo "--------------------------------------------"

    mkdir -p /usr/share/doc/HTML

    cp -a customize/HTML/index.html /usr/share/doc/HTML/index.html    

    rm -rf /usr/share/doc/livecd

    cp -a /tmp/doc/livecd /usr/share/doc/

    echo "done."

    echo

fi

### Prepare files in linux-live.sl directory 

### -----------------------------------------------------------

echo

echo "--------------------------------------------"

echo "cd linux-live.sl"

echo "--------------------------------------------"

cd linux-live.sl

### set CHANGESFOLDER name

if [ "$CHANGESFOLDER" = "" ]; then CHANGESFOLDER=changes; fi

sed -i "s|^CHANGES=.*|CHANGES=\$MEMORY/$CHANGESFOLDER|" initrd/linuxrc

### create isolinux.cfg from isolinux.cfg.tpl

echo "Create cd-root/isolinux.cfg"

cp cd-root/isolinux.cfg.tpl cd-root/isolinux.cfg

sed -i "s|append linux|append initrd=boot/initrd.gz init=linuxrc $BOOT_OPTIONS|" cd-root/isolinux.cfg

sed -i "s|append smp|append initrd=boot/initrd${SMP}.gz init=linuxrc $BOOT_OPTIONS|" cd-root/isolinux.cfg

sed -i "s|append failsafe|append initrd=boot/initrd.gz init=linuxrc $BOOT_OPTIONS $FAILSAFE_BOOT_OPTIONS|" cd-root/isolinux.cfg

### create splash.cfg from splash.cfg.tpl

echo "Create in splash.cfg"

cp cd-root/boot/splash.cfg.tpl cd-root/boot/splash.cfg

[ -e /etc/redhat-release ] && RELEASE=$( cat /etc/redhat-release )

ARCH64=""

[ "$ARCH" = "x86_64" ] && ARCH64="64bit"

if [ $PSI ]; then

    sed -i "s|Welcome to.*|Welcome to PSI $LIVECD_OS LiveCD ${ARCH64}|" cd-root/boot/splash.cfg

else

    sed -i "s|Welcome to.*|Welcome to $RELEASE ${ARCH64}|" cd-root/boot/splash.cfg

fi

[ $DVD ]  && sed -i "s|LiveCD|LiveDVD|"    cd-root/boot/splash.cfg

[ $MINI ] && sed -i "s|LiveCD|LiveMiniCD|" cd-root/boot/splash.cfg

### Run runme.sh

### -----------------------------------------------------------

echo

echo "--------------------------------------------"

echo "Run ./runme.sh"

echo "--------------------------------------------"

./runme.sh

rm -f cd-root/boot/splash.cfg

rm -f cd-root/isolinux.cfg

### Run restore-system.sh

### -----------------------------------------------------------

echo

echo "--------------------------------------------"

echo "Now fix things to make this system bootable"

echo "--------------------------------------------"

cd ..

./restore-system.sh $PSI

### End of LiveCD build

### -----------------------------------------------------------

echo "--------------------------------------------"

echo "End of Build LiveCD" 

echo "See /tmp for the ISO image"

echo "--------------------------------------------"