diff --git a/tools/build_libvirt.sh b/tools/build_libvirt.sh
new file mode 100755
index 0000000..1bf99f9
--- /dev/null
+++ b/tools/build_libvirt.sh
@@ -0,0 +1,414 @@
+#!/usr/bin/env bash
+
+# exit on error to stop unexpected errors
+set -o errexit
+
+# Make sure that we have the proper version of ubuntu
+UBUNTU_VERSION=`cat /etc/lsb-release | grep CODENAME | sed 's/.*=//g'`
+if [ ! "oneiric" = "$UBUNTU_VERSION" ]; then
+    if [ ! "natty" = "$UBUNTU_VERSION" ]; then
+        echo "This script only works with oneiric and natty"
+        exit 1
+    fi
+fi
+
+# Echo commands
+set -o xtrace
+
+# Keep track of the current directory
+TOOLS_DIR=$(cd $(dirname "$0") && pwd)
+TOP_DIR=$TOOLS_DIR/..
+
+# Where to store files and instances
+WORK_DIR=${WORK_DIR:-$TOP_DIR/work}
+
+# Where to store images
+IMAGES_DIR=$WORK_DIR/images
+
+# Create images dir
+mkdir -p $IMAGES_DIR
+
+# Abort if localrc is not set
+if [ ! -e $TOP_DIR/localrc ]; then
+    echo "You must have a localrc with ALL necessary passwords defined before proceeding."
+    echo "See stack.sh for required passwords."
+    exit 1
+fi
+
+# Source params
+source ./stackrc
+
+# Configure the root password of the vm to be the same as ``ADMIN_PASSWORD``
+ROOT_PASSWORD=${ADMIN_PASSWORD:-password}
+
+
+# Base image (natty by default)
+DIST_NAME=${DIST_NAME:-natty}
+IMAGE_FNAME=$DIST_NAME.raw
+
+# Name of our instance, used by libvirt
+GUEST_NAME=${GUEST_NAME:-devstack}
+
+# Original version of built image
+BASE_IMAGE=$WORK_DIR/images/$DIST_NAME.raw
+
+# Copy of base image, which we pre-install with tasty treats
+VM_IMAGE=$IMAGES_DIR/$DIST_NAME.$GUEST_NAME.raw
+
+# Mop up after previous runs
+virsh destroy $GUEST_NAME || true
+
+# Where this vm is stored
+VM_DIR=$WORK_DIR/instances/$GUEST_NAME
+
+# Create vm dir
+mkdir -p $VM_DIR
+
+# Mount point into copied base image
+COPY_DIR=$VM_DIR/copy
+mkdir -p $COPY_DIR
+
+# Create the base image if it does not yet exist
+if [ ! -e $IMAGES_DIR/$IMAGE_FNAME ]; then
+    cd $TOOLS_DIR
+    ./make_image.sh -m -r 5000  $DIST_NAME raw
+    mv $DIST_NAME.raw $BASE_IMAGE
+    cd $TOP_DIR
+fi
+
+# Create a copy of the base image
+if [ ! -e $VM_IMAGE ]; then
+    cp -p $BASE_IMAGE $VM_IMAGE
+fi
+
+# Unmount the copied base image
+function unmount_images() {
+    # unmount the filesystem
+    while df | grep -q $COPY_DIR; do
+        umount $COPY_DIR || echo 'ok'
+        sleep 1
+    done
+}
+
+# Unmount from failed runs
+unmount_images
+
+# Ctrl-c catcher
+function kill_unmount() {
+    unmount_images
+    exit 1
+}
+
+# Install deps if needed
+dpkg -l kvm libvirt-bin kpartx || apt-get install -y --force-yes kvm libvirt-bin kpartx
+
+# Let Ctrl-c kill tail and exit
+trap kill_unmount SIGINT
+
+# Where Openstack code will live in image
+DEST=${DEST:-/opt/stack}
+
+# Mount the file system
+mount -o loop,offset=32256 $VM_IMAGE  $COPY_DIR
+
+# git clone only if directory doesn't exist already.  Since ``DEST`` might not
+# be owned by the installation user, we create the directory and change the
+# ownership to the proper user.
+function git_clone {
+    if [ ! -d $2 ]; then
+        sudo mkdir $2
+        sudo chown `whoami` $2
+        git clone $1 $2
+        cd $2
+        # This checkout syntax works for both branches and tags
+        git checkout $3
+    fi
+}
+
+# Make sure that base requirements are installed
+cp /etc/resolv.conf $COPY_DIR/etc/resolv.conf
+chroot $COPY_DIR apt-get update
+chroot $COPY_DIR apt-get install -y --force-yes `cat files/apts/* | cut -d\# -f1 | egrep -v "(rabbitmq|libvirt-bin|mysql-server)"`
+chroot $COPY_DIR apt-get install -y --download-only rabbitmq-server libvirt-bin mysql-server
+chroot $COPY_DIR pip install `cat files/pips/*`
+
+# Clean out code repos if directed to do so
+if [ "$CLEAN" = "1" ]; then
+    rm -rf $COPY_DIR/$DEST
+fi
+
+# Cache openstack code
+mkdir -p $COPY_DIR/$DEST
+git_clone $NOVA_REPO $COPY_DIR/$DEST/nova $NOVA_BRANCH
+git_clone $GLANCE_REPO $COPY_DIR/$DEST/glance $GLANCE_BRANCH
+git_clone $KEYSTONE_REPO $COPY_DIR/$DESTkeystone $KEYSTONE_BRANCH
+git_clone $NOVNC_REPO $COPY_DIR/$DEST/noVNC $NOVNC_BRANCH
+git_clone $HORIZON_REPO $COPY_DIR/$DEST/horizon $HORIZON_BRANCH $HORIZON_TAG
+git_clone $NOVACLIENT_REPO $COPY_DIR/$DEST/python-novaclient $NOVACLIENT_BRANCH
+git_clone $OPENSTACKX_REPO $COPY_DIR/$DEST/openstackx $OPENSTACKX_BRANCH
+git_clone $KEYSTONE_REPO $COPY_DIR/$DEST/keystone $KEYSTONE_BRANCH
+git_clone $NOVNC_REPO $COPY_DIR/$DEST/noVNC $NOVNC_BRANCH
+
+# Back to devstack
+cd $TOP_DIR
+
+# Unmount the filesystems
+unmount_images
+
+# Network configuration variables
+BRIDGE=${BRIDGE:-br0}
+GUEST_NETWORK=${GUEST_NETWORK:-1}
+
+GUEST_IP=${GUEST_IP:-192.168.$GUEST_NETWORK.50}
+GUEST_CIDR=${GUEST_CIDR:-$GUEST_IP/24}
+GUEST_NETMASK=${GUEST_NETMASK:-255.255.255.0}
+GUEST_GATEWAY=${GUEST_GATEWAY:-192.168.$GUEST_NETWORK.1}
+GUEST_MAC=${GUEST_MAC:-"02:16:3e:07:69:`printf '%02X' $GUEST_NETWORK`"}
+GUEST_RAM=${GUEST_RAM:-1524288}
+GUEST_CORES=${GUEST_CORES:-1}
+
+# libvirt.xml configuration
+NET_XML=$VM_DIR/net.xml
+cat > $NET_XML <<EOF
+<network>
+  <name>devstack-$GUEST_NETWORK</name>
+  <bridge name="stackbr%d" />
+  <forward/>
+  <ip address="$GUEST_GATEWAY" netmask="$GUEST_NETMASK" />
+</network>
+EOF
+
+virsh net-destroy devstack-$GUEST_NETWORK || true
+virsh net-create $VM_DIR/net.xml
+
+# libvirt.xml configuration
+LIBVIRT_XML=$VM_DIR/libvirt.xml
+cat > $LIBVIRT_XML <<EOF
+<domain type='kvm'>
+    <name>$GUEST_NAME</name>
+    <memory>$GUEST_RAM</memory>
+    <os>
+        <type>hvm</type>
+        <bootmenu enable='yes'/>
+    </os>
+    <features>
+        <acpi/>
+    </features>
+    <vcpu>$GUEST_CORES</vcpu>
+    <devices>
+        <disk type='file'>
+            <driver type='qcow2'/>
+            <source file='$VM_DIR/disk'/>
+            <target dev='vda' bus='virtio'/>
+        </disk>
+
+        <interface type='network'>
+           <source network='devstack-$GUEST_NETWORK'/>
+        </interface>
+        
+        <!-- The order is significant here.  File must be defined first -->
+        <serial type="file">
+            <source path='$VM_DIR/console.log'/>
+            <target port='1'/>
+        </serial>
+
+        <console type='pty' tty='/dev/pts/2'>
+            <source path='/dev/pts/2'/>
+            <target port='0'/>
+        </console>
+
+        <serial type='pty'>
+            <source path='/dev/pts/2'/>
+            <target port='0'/>
+        </serial>
+
+        <graphics type='vnc' port='-1' autoport='yes' keymap='en-us' listen='0.0.0.0'/>
+    </devices>
+</domain>
+EOF
+
+# Mount point for instance fs
+ROOTFS=$VM_DIR/root
+mkdir -p $ROOTFS
+
+# Make sure we have nbd-ness
+modprobe nbd max_part=63
+
+# Which NBD device to use?
+NBD=${NBD:-/dev/nbd5}
+
+# Clean up from previous runs
+umount $ROOTFS || echo 'ok'
+qemu-nbd -d $NBD || echo 'ok'
+
+# Clean up old runs
+cd $VM_DIR
+rm -f $VM_DIR/disk
+
+# Create our instance fs
+qemu-img create -f qcow2 -b $VM_IMAGE disk
+
+# Connect our nbd and wait till it is mountable
+qemu-nbd -c $NBD disk
+NBD_DEV=`basename $NBD`
+if ! timeout 60 sh -c "while ! [ -e /sys/block/$NBD_DEV/pid ]; do sleep 1; done"; then
+    echo "Couldn't connect $NBD"
+    exit 1
+fi
+
+# Mount the instance
+mount $NBD $ROOTFS -o offset=32256 -t ext4
+
+# Configure instance network
+INTERFACES=$ROOTFS/etc/network/interfaces
+cat > $INTERFACES <<EOF
+auto lo
+iface lo inet loopback
+
+auto eth0
+iface eth0 inet static
+        address $GUEST_IP
+        netmask $GUEST_NETMASK
+        gateway $GUEST_GATEWAY
+EOF
+
+# User configuration for the instance
+chroot $ROOTFS groupadd libvirtd || true
+chroot $ROOTFS useradd stack -s /bin/bash -d $DEST -G libvirtd
+cp -pr $TOOLS_DIR/.. $ROOTFS/$DEST/devstack
+echo "root:$ROOT_PASSWORD" | chroot $ROOTFS chpasswd
+echo "stack:pass" | chroot $ROOTFS chpasswd
+echo "stack ALL=(ALL) NOPASSWD: ALL" >> $ROOTFS/etc/sudoers
+
+# Gracefully cp only if source file/dir exists
+function cp_it {
+    if [ -e $1 ] || [ -d $1 ]; then
+        cp -pRL $1 $2
+    fi
+}
+
+# Copy over your ssh keys and env if desired
+COPYENV=${COPYENV:-1}
+if [ "$COPYENV" = "1" ]; then
+    cp_it ~/.ssh $ROOTFS/$DEST/.ssh
+    cp_it ~/.ssh/id_rsa.pub $ROOTFS/$DEST/.ssh/authorized_keys
+    cp_it ~/.gitconfig $ROOTFS/$DEST/.gitconfig
+    cp_it ~/.vimrc $ROOTFS/$DEST/.vimrc
+    cp_it ~/.bashrc $ROOTFS/$DEST/.bashrc
+fi
+
+# pre-cache uec images
+for image_url in ${IMAGE_URLS//,/ }; do
+    IMAGE_FNAME=`basename "$image_url"`
+    if [ ! -f $IMAGES_DIR/$IMAGE_FNAME ]; then
+        wget -c $image_url -O $IMAGES_DIR/$IMAGE_FNAME
+    fi
+    cp $IMAGES_DIR/$IMAGE_FNAME $ROOTFS/$DEST/devstack/files
+done
+
+# Configure the runner
+RUN_SH=$ROOTFS/$DEST/run.sh
+cat > $RUN_SH <<EOF
+#!/usr/bin/env bash
+
+# Kill any existing screens
+killall screen
+
+# Install and run stack.sh
+sudo apt-get update
+sudo apt-get -y --force-yes install git-core vim-nox sudo
+if [ ! -d "$DEST/devstack" ]; then
+    git clone git://github.com/cloudbuilders/devstack.git $DEST/devstack
+fi
+cd $DEST/devstack && $STACKSH_PARAMS FORCE=yes ./stack.sh > /$DEST/run.sh.log
+echo >> /$DEST/run.sh.log
+echo >> /$DEST/run.sh.log
+echo "All done! Time to start clicking." >> /$DEST/run.sh.log
+cat $DEST/run.sh.log
+EOF
+chmod 755 $RUN_SH
+
+# Make runner launch on boot
+RC_LOCAL=$ROOTFS/etc/init.d/local
+cat > $RC_LOCAL <<EOF
+#!/bin/sh -e
+# Reboot if this is our first run to enable console log on $DIST_NAME :(
+if [ ! -e /root/firstlaunch ]; then
+    touch /root/firstlaunch
+    reboot -f
+    exit 0
+fi
+su -c "$DEST/run.sh" stack
+EOF
+chmod +x $RC_LOCAL
+chroot $ROOTFS sudo update-rc.d local defaults 80
+
+# Make our ip address hostnames look nice at the command prompt
+echo "export PS1='${debian_chroot:+($debian_chroot)}\\u@\\H:\\w\\$ '" >> $ROOTFS/$DEST/.bashrc
+echo "export PS1='${debian_chroot:+($debian_chroot)}\\u@\\H:\\w\\$ '" >> $ROOTFS/etc/profile
+
+# Give stack ownership over $DEST so it may do the work needed
+chroot $ROOTFS chown -R stack $DEST
+
+# Change boot params so that we get a console log
+sudo sed -e "s/quiet splash/splash console=ttyS0 console=ttyS1,19200n8/g" -i $ROOTFS/boot/grub/menu.lst
+sudo sed -e "s/^hiddenmenu//g" -i $ROOTFS/boot/grub/menu.lst
+
+# Set the hostname
+echo $GUEST_NAME > $ROOTFS/etc/hostname
+
+# We need the hostname to resolve for rabbit to launch
+if ! grep -q $GUEST_NAME $ROOTFS/etc/hosts; then
+    echo "$GUEST_IP $GUEST_NAME" >> $ROOTFS/etc/hosts
+fi
+
+# Unmount
+umount $ROOTFS || echo 'ok'
+qemu-nbd -d $NBD
+
+# Create the instance
+cd $VM_DIR && virsh create libvirt.xml
+
+# Tail the console log till we are done
+WAIT_TILL_LAUNCH=${WAIT_TILL_LAUNCH:-1}
+if [ "$WAIT_TILL_LAUNCH" = "1" ]; then
+    # Done creating the container, let's tail the log
+    echo
+    echo "============================================================="
+    echo "                          -- YAY! --"
+    echo "============================================================="
+    echo
+    echo "We're done launching the vm, about to start tailing the"
+    echo "stack.sh log. It will take a second or two to start."
+    echo
+    echo "Just CTRL-C at any time to stop tailing."
+
+    while [ ! -e "$VM_DIR/console.log" ]; do
+      sleep 1
+    done
+
+    tail -F $VM_DIR/console.log &
+
+    TAIL_PID=$!
+
+    function kill_tail() {
+        kill $TAIL_PID
+        exit 1
+    }
+
+    # Let Ctrl-c kill tail and exit
+    trap kill_tail SIGINT
+
+    echo "Waiting stack.sh to finish..."
+    while ! cat $VM_DIR/console.log | grep -q 'All done' ; do
+        sleep 5
+    done
+
+    kill $TAIL_PID
+
+    if grep -q "stack.sh failed" $VM_DIR/console.log; then
+        exit 1
+    fi
+    echo ""
+    echo "Finished - Zip-a-dee Doo-dah!"
+fi