work towards simpiler uec
diff --git a/tools/build_uec.sh b/tools/build_uec.sh
new file mode 100755
index 0000000..aae4fb8
--- /dev/null
+++ b/tools/build_uec.sh
@@ -0,0 +1,198 @@
+#!/usr/bin/env bash
+
+# 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
+
+# exit on error to stop unexpected errors
+set -o errexit
+
+# Keep track of the current directory
+TOOLS_DIR=$(cd $(dirname "$0") && pwd)
+TOP_DIR=`cd $TOOLS_DIR/..; pwd`
+
+# Abort if localrc is not set
+if [ ! -e $TOP_DIR/localrc ]; then
+ echo "You must have a localrc with ALL necessary passwords defined before proceeding."
+ echo "See stack.sh for required passwords."
+ exit 1
+fi
+
+# Install deps if needed
+dpkg -l kvm libvirt-bin kpartx || apt-get install -y --force-yes kvm libvirt-bin kpartx
+
+# Where to store files and instances
+WORK_DIR=${WORK_DIR:-/opt/kvmstack}
+
+# Where to store images
+IMAGES_DIR=$WORK_DIR/images
+
+# Original version of built image
+DIST_NAME=${DIST_NAME:oneiric}
+UEC_NAME=$DIST_NAME-server-cloudimg-amd64
+UEC_URL=http://uec-images.ubuntu.com/$DIST_NAME/current/$UEC_NAME-disk1.img
+BASE_IMAGE=$IMAGES_DIR/$DIST_NAME.raw
+
+# download the base uec image if we haven't already
+if [ ! -e $BASE_IMAGE ]; then
+ mkdir -p $IMAGES_DIR
+ curl $UEC_URL -O $BASE_IMAGE
+fi
+
+cd $TOP_DIR
+
+# Source params
+source ./stackrc
+
+# Configure the root password of the vm to be the same as ``ADMIN_PASSWORD``
+ROOT_PASSWORD=${ADMIN_PASSWORD:-password}
+
+# Name of our instance, used by libvirt
+GUEST_NAME=${GUEST_NAME:-devstack}
+
+# 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 and remove old disk
+mkdir -p $VM_DIR
+rm -f $VM_DIR/disk.img
+
+# Create a copy of the base image
+qemu-img create -f qcow2 -b ${BASE_IMAGE} $VM_DIR/disk.img
+
+# Back to devstack
+cd $TOP_DIR
+
+GUEST_NETWORK=${GUEST_NETWORK:-1}
+GUEST_RECREATE_NET=${GUEST_RECREATE_NET:-yes}
+GUEST_IP=${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
+
+if [[ "$GUEST_RECREATE_NET" == "yes" ]]; then
+ virsh net-destroy devstack-$GUEST_NETWORK || true
+ virsh net-create $VM_DIR/net.xml
+fi
+
+# libvirt.xml configuration
+LIBVIRT_XML=$VM_DIR/libvirt.xml
+cat > $LIBVIRT_XML <<EOF
+<domain type='kvm'>
+ <name>$GUEST_NAME</name>
+ <memory>$GUEST_RAM</memory>
+ <os>
+ <type arch='i686' machine='pc'>hvm</type>
+ <boot dev='hd'/>
+ <kernel>$VM_DIR/kernel</kernel>
+ <cmdline>root=/dev/vda ro init=/usr/lib/cloud-init/uncloud-init ds=nocloud ubuntu-pass=ubuntu</cmdline>
+ </os>
+ <features>
+ <acpi/>
+ </features>
+ <clock offset='utc'/>
+ <vcpu>$GUEST_CORES</vcpu>
+ <devices>
+ <disk type='file'>
+ <driver type='qcow2'/>
+ <source file='$VM_DIR/disk.img'/>
+ <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
+
+# 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
+
+ set +o xtrace
+
+ echo "Waiting stack.sh to finish..."
+ while ! cat $VM_DIR/console.log | grep -q 'All done' ; do
+ sleep 1
+ done
+
+ set -o xtrace
+
+ kill $TAIL_PID
+
+ if ! grep -q "^stack.sh completed in" $VM_DIR/console.log; then
+ exit 1
+ fi
+ echo ""
+ echo "Finished - Zip-a-dee Doo-dah!"
+fi