Move utility scripts to tools/
diff --git a/tools/build_pxe_boot.sh b/tools/build_pxe_boot.sh
new file mode 100755
index 0000000..84aa43b
--- /dev/null
+++ b/tools/build_pxe_boot.sh
@@ -0,0 +1,116 @@
+#!/bin/bash -e
+# build_pxe_boot.sh - Create a PXE boot environment
+#
+# build_pxe_boot.sh [-k kernel-version] destdir
+#
+# Assumes syslinux is installed
+# Assumes devstack files are in `pwd`/pxe
+# 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}/
+
+KVER=`uname -r`
+if [ "$1" = "-k" ]; then
+ KVER=$2
+ shift;shift
+fi
+
+DEST_DIR=${1:-/tmp}/tftpboot
+PXEDIR=${PXEDIR:-/var/cache/devstack/pxe}
+OPWD=`pwd`
+PROGDIR=`dirname $0`
+
+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
+
+# 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 $DEST_DIR/ubuntu
+cat >>$DEFAULT <<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 ]; then
+ cp -p $PXEDIR/natty-base-initrd.gz $DEST_DIR/ubuntu
+fi
+cat >>$DEFAULT <<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
+
+# 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