to install with single node:

# configure will all test
> puppet apply nova/tests/all.pp

# download the image to test with:
> mkdir /vagrant/images/lucid_ami && cd /vagrant/images/lucid_ami

> wget -q -O - http://173.203.107.207/ubuntu-lucid.tar | tar xSv

# now run the test code:
> ./ext/tests.sh

# this will verify that you can insert an image in the glance db
# and use it to boot an image