| Dean Troyer | 274ec10 | 2011-10-11 20:32:07 -0500 | [diff] [blame^] | 1 | #!/bin/bash -e |
| 2 | # build_usb_boot.sh - Create a syslinux boot environment |
| 3 | # |
| 4 | # build_usb_boot.sh [-k kernel-version] destdev |
| 5 | # |
| 6 | # Assumes syslinux is installed |
| 7 | # Assumes devstack files are in `pwd`/pxe |
| 8 | # Needs to run as root |
| 9 | |
| 10 | KVER=`uname -r` |
| 11 | if [ "$1" = "-k" ]; then |
| 12 | KVER=$2 |
| 13 | shift;shift |
| 14 | fi |
| 15 | |
| 16 | DEST_DIR=${1:-/tmp/syslinux-boot} |
| 17 | PXEDIR=${PXEDIR:-/var/cache/devstack/pxe} |
| 18 | OPWD=`pwd` |
| 19 | PROGDIR=`dirname $0` |
| 20 | |
| 21 | if [ -b $DEST_DIR ]; then |
| 22 | # We have a block device, install syslinux and mount it |
| 23 | DEST_DEV=$DEST_DIR |
| 24 | DEST_DIR=`mktemp -d mntXXXXXX` |
| 25 | |
| 26 | # Install syslinux on the device |
| 27 | syslinux --install --directory syslinux $DEST_DEV |
| 28 | |
| 29 | mount $DEST_DEV $DEST_DIR |
| 30 | else |
| 31 | # We have a directory (for sanity checking output) |
| 32 | DEST_DEV="" |
| 33 | if [ ! -d $DEST_DIR/syslinux ]; then |
| 34 | mkdir -p $DEST_DIR/syslinux |
| 35 | fi |
| 36 | fi |
| 37 | |
| 38 | # Get some more stuff from syslinux |
| 39 | for i in memdisk menu.c32; do |
| 40 | cp -p /usr/lib/syslinux/$i $DEST_DIR/syslinux |
| 41 | done |
| 42 | |
| 43 | CFG=$DEST_DIR/syslinux/syslinux.cfg |
| 44 | cat >$CFG <<EOF |
| 45 | default /syslinux/menu.c32 |
| 46 | prompt 0 |
| 47 | timeout 0 |
| 48 | |
| 49 | MENU TITLE Boot Menu |
| 50 | |
| 51 | EOF |
| 52 | |
| 53 | # Setup devstack boot |
| 54 | mkdir -p $DEST_DIR/ubuntu |
| 55 | if [ ! -d $PXEDIR ]; then |
| 56 | mkdir -p $PXEDIR |
| 57 | fi |
| 58 | if [ ! -r $PXEDIR/vmlinuz-${KVER} ]; then |
| 59 | sudo chmod 644 /boot/vmlinuz-${KVER} |
| 60 | if [ ! -r /boot/vmlinuz-${KVER} ]; then |
| 61 | echo "No kernel found" |
| 62 | else |
| 63 | cp -p /boot/vmlinuz-${KVER} $PXEDIR |
| 64 | fi |
| 65 | fi |
| 66 | cp -p $PXEDIR/vmlinuz-${KVER} $DEST_DIR/ubuntu |
| 67 | if [ ! -r $PXEDIR/stack-initrd.gz ]; then |
| 68 | cd $OPWD |
| 69 | sudo $PROGDIR/build_ramdisk.sh $PXEDIR/stack-initrd.gz |
| 70 | fi |
| 71 | cp -p $PXEDIR/stack-initrd.gz $DEST_DIR/ubuntu |
| 72 | cat >>$CFG <<EOF |
| 73 | |
| 74 | LABEL devstack |
| 75 | MENU LABEL ^devstack |
| 76 | MENU DEFAULT |
| 77 | KERNEL /ubuntu/vmlinuz-$KVER |
| 78 | APPEND initrd=/ubuntu/stack-initrd.gz ramdisk_size=2109600 root=/dev/ram0 |
| 79 | EOF |
| 80 | |
| 81 | # Get Ubuntu |
| 82 | if [ -d $PXEDIR -a -r $PXEDIR/natty-base-initrd.gz ]; then |
| 83 | cp -p $PXEDIR/natty-base-initrd.gz $DEST_DIR/ubuntu |
| 84 | cat >>$CFG <<EOF |
| 85 | |
| 86 | LABEL ubuntu |
| 87 | MENU LABEL ^Ubuntu Natty |
| 88 | KERNEL /ubuntu/vmlinuz-$KVER |
| 89 | APPEND initrd=/ubuntu/natty-base-initrd.gz ramdisk_size=419600 root=/dev/ram0 |
| 90 | EOF |
| 91 | fi |
| 92 | |
| 93 | # Local disk boot |
| 94 | cat >>$CFG <<EOF |
| 95 | |
| 96 | LABEL local |
| 97 | MENU LABEL ^Local disk |
| 98 | MENU DEFAULT |
| 99 | LOCALBOOT 0 |
| 100 | EOF |
| 101 | |
| 102 | if [ -n "$DEST_DEV" ]; then |
| 103 | umount $DEST_DIR |
| 104 | rmdir $DEST_DIR |
| 105 | fi |