devstack_custom/build_pxe_boot.sh
2011-09-28 14:14:33 -05:00

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#!/bin/bash
# build_pxe_boot.sh - Create a PXE boot environment
#
# build_pxe_boot.sh destdir
#
# Assumes syslinux is installed
# Only needs to run as root if the destdir permissions require it
UBUNTU_MIRROR=http://archive.ubuntu.com/ubuntu/dists/natty/main/installer-amd64/current/images/netboot/ubuntu-installer/amd64
MEMTEST_VER=4.10
MEMTEST_BIN=memtest86+-${MEMTEST_VER}.bin
MEMTEST_URL=http://www.memtest.org/download/${MEMTEST_VER}/
DEST_DIR=${1:-/tmp}/tftpboot
OPWD=`pwd`
mkdir -p $DEST_DIR/pxelinux.cfg
cd $DEST_DIR
for i in memdisk menu.c32 pxelinux.0; do
cp -p /usr/lib/syslinux/$i $DEST_DIR
done
DEFAULT=$DEST_DIR/pxelinux.cfg/default
cat >$DEFAULT <<EOF
default menu.c32
prompt 0
timeout 0
MENU TITLE PXE Boot Menu
EOF
# Get Ubuntu netboot
mkdir -p $DEST_DIR/ubuntu
cd $DEST_DIR/ubuntu
wget -N --quiet $UBUNTU_MIRROR/linux
wget -N --quiet $UBUNTU_MIRROR/initrd.gz
cat >>$DEFAULT <<EOF
LABEL ubuntu
MENU LABEL Ubuntu Natty
KERNEL ubuntu/linux
APPEND initrd=ubuntu/initrd.gz
EOF
# Get Memtest
cd $DEST_DIR
if [ ! -r $MEMTEST_BIN ]; then
wget -N --quiet ${MEMTEST_URL}/${MEMTEST_BIN}.gz
gunzip $MEMTEST_BIN
fi
cat >>$DEFAULT <<EOF
LABEL memtest
MENU LABEL Memtest86+
KERNEL $MEMTEST_BIN
EOF
# Get FreeDOS
mkdir -p $DEST_DIR/freedos
cd $DEST_DIR/freedos
wget -N --quiet http://www.fdos.org/bootdisks/autogen/FDSTD.288.gz
gunzip -f FDSTD.288.gz
cat >>$DEFAULT <<EOF
LABEL freedos
MENU LABEL ^FreeDOS bootdisk
KERNEL memdisk
APPEND initrd=freedos/FDSTD.288
EOF
# Local disk boot
cat >>$DEFAULT <<EOF
LABEL local
MENU LABEL Local disk
MENU DEFAULT
LOCALBOOT 0
EOF