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#!/bin/bash
# This program is free software distributed under the GPL version 2.
# See http://openslx.org/COPYING
#
# If you have any feedback please consult http://openslx.org/feedback and
# send your feedback to feedback@openslx.org
#
# General information about OpenSLX can be found at http://openslx.org
#
# Script for generating an uClib based InitRamFS for using a demo CD/DVD
# (via kexec mechanism) instead of PXE/linux boot functionality
BUILDDIR=/tmp/slxcdboot
SLX_SHARE_PATH=/opt/openslx/share
NWMODULES="forcedeth e1000 e100 tg3 3c59x via-rhine r8169 pcnet32 b44 8139too"
KERNVER=$(uname -r)
rm -rf ${BUILDDIR}
mkdir -p ${BUILDDIR}/{dev,proc,tmp,root,bin,sys,lib,etc}
mkdir -p ${BUILDDIR}/var/{lib,run}
ln -s /bin ${BUILDDIR}/sbin
cp ${SLX_SHARE_PATH}/cdboot/init ${BUILDDIR}/init
chmod 755 ${BUILDDIR}/init
cp ${SLX_SHARE_PATH}/busybox/busybox.uclib.i586 ${BUILDDIR}/bin/busybox
for bbins in [ ar arping ash bunzip2 cat chmod chown chroot cp cpio cut \
date dd df dmesg du echo env expr fdisk free grep gunzip hwclock \
insmod id ip ipcalc kill killall ln ls lsmod mdev mkdir \
mknod mkswap modprobe mount mv nice ping printf ps rdate \
rm rmmod sed sleep sort swapoff swapon switch_root tar test tftp \
time touch tr udhcpc umount uptime usleep vconfig vi wget zcat zcip; do
ln -fs /bin/busybox ${BUILDDIR}/bin/$bbins
done
cp ${SLX_SHARE_PATH}/cdboot/kexec.uclib.i586 ${BUILDDIR}/bin/kexec
cp -a ${SLX_SHARE_PATH}/cdboot/uclib/* ${BUILDDIR}/lib
mkdir -p ${BUILDDIR}/lib/modules/${KERNVER}/kernel/drivers/net
cp /lib/modules/${KERNVER}/modules.dep ${BUILDDIR}/lib/modules/${KERNVER}
for module in af_packet unix ${NWMODULES} mii ; do
mod=$(cd /; find "lib/modules/${KERNVER}" -name ${module}.ko 2>/dev/null)
mpath=${BUILDDIR}/${mod%/*}
mkdir -p ${mpath}
cp /$mod /${mpath}
done
# finally create the compressed initial ramfs cpio archive
mkdir -p ${BUILDDIR}/iso/isolinux
cp ${SLX_SHARE_PATH}/cdboot/isolinux.bin ${BUILDDIR}/iso/isolinux
cp ${SLX_SHARE_PATH}/tftpboot/menu.c32 ${BUILDDIR}/iso/isolinux
cp /boot/vmlinuz-${KERNVER} ${BUILDDIR}/iso/isolinux/vmlinuz
pushd . > /dev/null 2>&1
cd ${BUILDDIR}
find . ! -name "*~" ! -path "./iso/*" | cpio -H newc --create | gzip -9 \
> ${BUILDDIR}/iso/isolinux/cdirfs
popd > /dev/null 2>&1
# starting to setup the menu driven boot chooser
echo -e "DEFAULT menu.c32\nPROMPT 0\nMENU WIDTH 78\nMENU MARGIN 9\n\
MENU ROWS 9\nMENU TABMSGROW 15\nMENU CMDLINEROW 15\nMENU ENDROW -1\n\
MENU TIMEOUTROW 15\nMENU HELPMSGROW 15\nMENU HELPMSGENDROW -1\n\
MENU HSHIFT 0\nMENU VSHIFT 5\n\nMENU TITLE OpenSLX PreBoot ISO\
" > ${BUILDDIR}/iso/isolinux/isolinux.cfg
for i in NBD NFS DNBD2 ; do
echo -e "LABEL OpenSLX\n\tMENU LABEL OpenSLX Client with $i as RootFS" \
>> ${BUILDDIR}/iso/isolinux/isolinux.cfg
echo -e "\tTEXT HELP\n\tYou should have DHCP running ...\n\tFor more \
information on this project consult the homepage on\n\t\t\
http://www.openslx.org\n\tENDTEXT" \
>> ${BUILDDIR}/iso/isolinux/isolinux.cfg
type=$(echo $i|tr [:upper:] [:lower:])
echo -e "\tKERNEL vmlinuz\n\tAPPEND initrd=cdirfs $type quiet" \
>> ${BUILDDIR}/iso/isolinux/isolinux.cfg
done
# write some info, if CD/DVD is still in drive
echo -e "You seem to have the OpenSLX network demo CD/DVD still in your \
optical\ndrive! This is not required. You may safely remove the medium \
just\nafter the first kernel/initramfs is loaded ...\n\nIf you have any \
feedback please consult http://openslx.org/feedback\nand send your comments \
to feedback@openslx.org!" > ${BUILDDIR}/iso/README
echo -e "This package is free software distributed under the GPL version 2.\
\nSee http://openslx.org/COPYING" > ${BUILDDIR}/iso/LICENSE
# produce the iso image
mkisofs -b isolinux/isolinux.bin -no-emul-boot -boot-load-size 4 -r -J -l \
-boot-info-table -o OpenSLX.iso -joliet-long -publisher "OpenSLX \
Project - http://www.openslx.org" -p "OpenSLX Project - \
openslx-devel@openslx.org" -relaxed-filenames -V "OpenSLX BootCD" \
-volset "OpenSLX Project - PreBoot CD for non PXE/TFTP start of a \
Linux Stateless Client" -c isolinux/boot.cat ${BUILDDIR}/iso
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