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|
#!/bin/bash
# -----------------------------------------------------------------------------
# Copyright (c) 2011 - OpenSLX GmbH
#
# 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 suggestions, praise, or complaints to feedback@openslx.org
#
# General information about OpenSLX can be found at http://openslx.org/
# -----------------------------------------------------------------------------
# PreBoot USB stick installer
# -----------------------------------------------------------------------------
ROOT_DIR=$(dirname $(readlink -f $0))
SELF=$(readlink -f $0)
TMP_DIR="/tmp/pbstick-$$"
DEBUG=0
FORCE=0
VERSION=""
VDATE=""
SHORT_OPTS=":vfdh"
LONG_OPTS="version,force,debug,help"
print_usage() {
echo "Usage: $(basename $SELF) [OPTIONS] DEVICE"
echo -e " -d --debug \t give more debug output"
echo -e " -f --force \t don't ask questions"
echo -e " -h --help \t print help"
echo -e " -v --version \t print version information"
echo "DEVICE is the device used by the usb stick (e.g. \"sdX\" for /dev/sdX)."
}
TEMP=`getopt -o $SHORT_OPTS --long $LONG_OPTS \
-n "$0" -- "$@"`
if [ $? != 0 ] ; then
echo -e "[Error] Unknown option(s).\n"
print_usage
exit 1
fi
eval set -- "$TEMP"
while true ; do
case "$1" in
-v|--version)
echo "OpenSLX PreBoot USB stick installer ($VERSION - $VDATE)."
exit 0
;;
-h|--help)
print_usage
exit 0
;;
-f|--force) echo "[Info] Disable user-interaction."; FORCE=1; shift ;;
-d|--debug) echo "[Info] Enabled debugmode."; DEBUG=1; shift ;;
--) shift ; break ;;
*) echo "[Error] Internal error!" ; exit 1 ;;
esac
done
if [ $(whoami) != "root" ]; then
echo -e "[Error] You should be root."
exit 1;
fi
OUT_DEV=$1
shift
if [ ! -z $1 ]; then
echo -e "[Error] Too many parameters. \n"
print_usage
exit 1
fi
if [ -z $OUT_DEV ]; then
echo -e "[Error] No output device specified.\n"
print_usage
exit 1
fi
if [ ! -e "/dev/$OUT_DEV" ]; then
echo -e "[Error] There is no /dev/${OUT_DEV}."
exit 1
fi
if [ -z $(which uuencode) ]; then
echo -e "[Error] uuencode is missing (if you are on a debian/ubuntu system: apt-get install sharutils)"
exit 1
fi
# unpack script payload
mkdir -p $TMP_DIR
set_quiet () {
if [ "x$DEBUG" != "x1" ]; then
touch $TMP_DIR/stdout.log
touch $TMP_DIR/stderr.log
exec 6>&1 > $TMP_DIR/stdout.log
exec 2> $TMP_DIR/stderr.log
fi
}
unset_quiet () {
if [ "x$DEBUG" != "x1" ]; then
exec 1>&6 6>&-
exec 2>&-
fi
}
set_quiet
match=$(grep --text --line-number '^PAYLOAD:$' $SELF | cut -d ':' -f 1)
payload_start=$((match + 1))
cd $TMP_DIR
tail -n +$payload_start $SELF | uudecode | tar -xjf -
cd $ROOT_DIR
PATH="$TMP_DIR/bin/:$PATH"
if [ "x$FORCE" != "x1" ]; then
unset_quiet
echo "Device \"/dev/${OUT_DEV}\" will be repartitioned and formatted."
echo -n "Do you really want to proceed? Then type in 'yes': "
read cont
[ "x${cont}" != "xyes" ] && exit 1
set_quiet
fi
for i in 1 2 3 4 5 6 7 8 9; do
umount /dev/${OUT_DEV}$i &> /dev/null
done
# get the total size of the device
DISKSIZE=$(sfdisk -s /dev/${OUT_DEV} 2>/dev/null || echo 0)
DISKSIZE=$((${DISKSIZE}/1024))
# get the size of boot stuff and calculate the left over free space on device
KSIZE=$(ls -l ${TMP_DIR}/boot/kernel|awk '{print $5}')
ISIZE=$(ls -l ${TMP_DIR}/boot/initramfs|awk '{print $5}')
IMAGESIZE=$(((${KSIZE}+${ISIZE}+6000000)/1048576))
FREE=$((${DISKSIZE}-${IMAGESIZE}))
# create bootable vfat at the end of the device if big enough, otherwise use
# the entire device
if [ ${FREE} -ge 50 ] ; then
sfdisk /dev/${OUT_DEV} -uM << EOF
,${FREE},L,
,,6,*
EOF
else
NO_USRHOME=true
sfdisk /dev/${OUT_DEV} << EOF
,,6,*
EOF
fi
sync
# copy mbr to stick
dd bs=440 count=1 conv=notrunc if=$TMP_DIR/share/mbr.bin of=/dev/${OUT_DEV} $DEBUG_OUT
# create filesystems on newly createt partitions
if [ "x$NO_USRHOME" != "xtrue" ]; then
mkfs.vfat -F 16 -n openslx-stick /dev/${OUT_DEV}2
mkfs.ext2 -L openslx-usrhome /dev/${OUT_DEV}1
else
mkfs.vfat -F 16 -n openslx-stick /dev/${OUT_DEV}1
fi
mkdir -p /media/openslx-stick /media/openslx-stick-usrhome
if [ "x$NO_USRHOME" != "xtrue" ]; then
mount /dev/${OUT_DEV}2 /media/openslx-stick
mount /dev/${OUT_DEV}1 /media/openslx-stick-usrhome
else
mount /dev/${OUT_DEV}1 /media/openslx-stick
fi
mkdir -p /media/openslx-stick/boot
cp -v $TMP_DIR/boot/* /media/openslx-stick/boot/
umount /media/openslx-stick
umount /media/openslx-stick-usrhome $DEBUG_OUT
rm -rf /media/openslx-stick* $DEBUG_OUT
if [ "x$NO_USRHOME" != "xtrue" ]; then
${TMP_DIR}/bin/syslinux --install -d /boot -f /dev/${OUT_DEV}2
else
${TMP_DIR}/bin/syslinux --install -d /boot -f /dev/${OUT_DEV}1
fi
unset_quiet
echo "Successfully created OpenSLX PreBoot USB Stick .."
exit 0
|
