Browse code
Add build_usb_boot.sh
Dean Troyer authored on 2011/10/12 10:32:07Showing 1 changed files
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+#!/bin/bash -e |
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+# build_usb_boot.sh - Create a syslinux boot environment |
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+# |
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+# build_usb_boot.sh [-k kernel-version] destdev |
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+# |
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+# Assumes syslinux is installed |
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+# Assumes devstack files are in `pwd`/pxe |
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+# Needs to run as root |
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+ |
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+KVER=`uname -r` |
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+if [ "$1" = "-k" ]; then |
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+ KVER=$2 |
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+ shift;shift |
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+fi |
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+ |
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+DEST_DIR=${1:-/tmp/syslinux-boot}
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+PXEDIR=${PXEDIR:-/var/cache/devstack/pxe}
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+OPWD=`pwd` |
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+PROGDIR=`dirname $0` |
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+ |
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+if [ -b $DEST_DIR ]; then |
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+ # We have a block device, install syslinux and mount it |
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+ DEST_DEV=$DEST_DIR |
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+ DEST_DIR=`mktemp -d mntXXXXXX` |
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+ |
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+ # Install syslinux on the device |
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+ syslinux --install --directory syslinux $DEST_DEV |
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+ |
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+ mount $DEST_DEV $DEST_DIR |
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+else |
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+ # We have a directory (for sanity checking output) |
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+ DEST_DEV="" |
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+ if [ ! -d $DEST_DIR/syslinux ]; then |
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+ mkdir -p $DEST_DIR/syslinux |
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+ fi |
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+fi |
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+ |
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+# Get some more stuff from syslinux |
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+for i in memdisk menu.c32; do |
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+ cp -p /usr/lib/syslinux/$i $DEST_DIR/syslinux |
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+done |
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+ |
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+CFG=$DEST_DIR/syslinux/syslinux.cfg |
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+cat >$CFG <<EOF |
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+default /syslinux/menu.c32 |
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+prompt 0 |
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+timeout 0 |
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+ |
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+MENU TITLE Boot Menu |
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+ |
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+EOF |
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+ |
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+# Setup devstack boot |
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+mkdir -p $DEST_DIR/ubuntu |
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+if [ ! -d $PXEDIR ]; then |
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+ mkdir -p $PXEDIR |
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+fi |
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+if [ ! -r $PXEDIR/vmlinuz-${KVER} ]; then
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+ sudo chmod 644 /boot/vmlinuz-${KVER}
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+ if [ ! -r /boot/vmlinuz-${KVER} ]; then
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+ echo "No kernel found" |
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+ else |
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+ cp -p /boot/vmlinuz-${KVER} $PXEDIR
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+ fi |
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+fi |
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+cp -p $PXEDIR/vmlinuz-${KVER} $DEST_DIR/ubuntu
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+if [ ! -r $PXEDIR/stack-initrd.gz ]; then |
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+ cd $OPWD |
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+ sudo $PROGDIR/build_ramdisk.sh $PXEDIR/stack-initrd.gz |
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+fi |
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+cp -p $PXEDIR/stack-initrd.gz $DEST_DIR/ubuntu |
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+cat >>$CFG <<EOF |
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+ |
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+LABEL devstack |
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+ MENU LABEL ^devstack |
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+ MENU DEFAULT |
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+ KERNEL /ubuntu/vmlinuz-$KVER |
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+ APPEND initrd=/ubuntu/stack-initrd.gz ramdisk_size=2109600 root=/dev/ram0 |
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+EOF |
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+ |
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+# Get Ubuntu |
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+if [ -d $PXEDIR -a -r $PXEDIR/natty-base-initrd.gz ]; then |
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+ cp -p $PXEDIR/natty-base-initrd.gz $DEST_DIR/ubuntu |
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+ cat >>$CFG <<EOF |
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+ |
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+LABEL ubuntu |
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+ MENU LABEL ^Ubuntu Natty |
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+ KERNEL /ubuntu/vmlinuz-$KVER |
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+ APPEND initrd=/ubuntu/natty-base-initrd.gz ramdisk_size=419600 root=/dev/ram0 |
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+EOF |
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+fi |
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+ |
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+# Local disk boot |
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+cat >>$CFG <<EOF |
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+ |
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+LABEL local |
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+ MENU LABEL ^Local disk |
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+ MENU DEFAULT |
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+ LOCALBOOT 0 |
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+EOF |
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+ |
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+if [ -n "$DEST_DEV" ]; then |
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+ umount $DEST_DIR |
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+ rmdir $DEST_DIR |
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+fi |