104 lines
2.2 KiB
Bash
Executable File
104 lines
2.2 KiB
Bash
Executable File
#!/bin/bash -e
|
|
# build_usb_boot.sh - Create a syslinux boot environment
|
|
#
|
|
# build_usb_boot.sh [-k kernel-version] destdev
|
|
#
|
|
# Assumes syslinux is installed
|
|
# Needs to run as root
|
|
|
|
KVER=`uname -r`
|
|
if [ "$1" = "-k" ]; then
|
|
KVER=$2
|
|
shift;shift
|
|
fi
|
|
|
|
DEST_DIR=${1:-/tmp/syslinux-boot}
|
|
PXEDIR=${PXEDIR:-/var/cache/devstack/pxe}
|
|
OPWD=`pwd`
|
|
PROGDIR=`dirname $0`
|
|
|
|
if [ -b $DEST_DIR ]; then
|
|
# We have a block device, install syslinux and mount it
|
|
DEST_DEV=$DEST_DIR
|
|
DEST_DIR=`mktemp -d mntXXXXXX`
|
|
|
|
# Install syslinux on the device
|
|
syslinux --install --directory syslinux $DEST_DEV
|
|
|
|
mount $DEST_DEV $DEST_DIR
|
|
else
|
|
# We have a directory (for sanity checking output)
|
|
DEST_DEV=""
|
|
if [ ! -d $DEST_DIR/syslinux ]; then
|
|
mkdir -p $DEST_DIR/syslinux
|
|
fi
|
|
fi
|
|
|
|
# Get some more stuff from syslinux
|
|
for i in memdisk menu.c32; do
|
|
cp -p /usr/lib/syslinux/$i $DEST_DIR/syslinux
|
|
done
|
|
|
|
CFG=$DEST_DIR/syslinux/syslinux.cfg
|
|
cat >$CFG <<EOF
|
|
default /syslinux/menu.c32
|
|
prompt 0
|
|
timeout 0
|
|
|
|
MENU TITLE Boot Menu
|
|
|
|
EOF
|
|
|
|
# Setup devstack boot
|
|
mkdir -p $DEST_DIR/ubuntu
|
|
if [ ! -d $PXEDIR ]; then
|
|
mkdir -p $PXEDIR
|
|
fi
|
|
if [ ! -r $PXEDIR/vmlinuz-${KVER} ]; then
|
|
sudo chmod 644 /boot/vmlinuz-${KVER}
|
|
if [ ! -r /boot/vmlinuz-${KVER} ]; then
|
|
echo "No kernel found"
|
|
else
|
|
cp -p /boot/vmlinuz-${KVER} $PXEDIR
|
|
fi
|
|
fi
|
|
cp -p $PXEDIR/vmlinuz-${KVER} $DEST_DIR/ubuntu
|
|
if [ ! -r $PXEDIR/stack-initrd.gz ]; then
|
|
cd $OPWD
|
|
sudo $PROGDIR/build_ramdisk.sh $PXEDIR/stack-initrd.gz
|
|
fi
|
|
cp -p $PXEDIR/stack-initrd.gz $DEST_DIR/ubuntu
|
|
cat >>$CFG <<EOF
|
|
|
|
LABEL devstack
|
|
MENU LABEL ^devstack
|
|
MENU DEFAULT
|
|
KERNEL /ubuntu/vmlinuz-$KVER
|
|
APPEND initrd=/ubuntu/stack-initrd.gz ramdisk_size=2109600 root=/dev/ram0
|
|
EOF
|
|
|
|
# Get Ubuntu
|
|
if [ -d $PXEDIR -a -r $PXEDIR/natty-base-initrd.gz ]; then
|
|
cp -p $PXEDIR/natty-base-initrd.gz $DEST_DIR/ubuntu
|
|
cat >>$CFG <<EOF
|
|
|
|
LABEL ubuntu
|
|
MENU LABEL ^Ubuntu Natty
|
|
KERNEL /ubuntu/vmlinuz-$KVER
|
|
APPEND initrd=/ubuntu/natty-base-initrd.gz ramdisk_size=419600 root=/dev/ram0
|
|
EOF
|
|
fi
|
|
|
|
# Local disk boot
|
|
cat >>$CFG <<EOF
|
|
|
|
LABEL local
|
|
MENU LABEL ^Local disk
|
|
LOCALBOOT 0
|
|
EOF
|
|
|
|
if [ -n "$DEST_DEV" ]; then
|
|
umount $DEST_DIR
|
|
rmdir $DEST_DIR
|
|
fi
|