There has been a lot of press about deltacloud but no mention that it is
using ruby and rails underneath so I thought I would share the good
news.
http://www.internetnews.com/software/article.php/3883731/Red+Hat+Taking+Deltacloud+Commercial.htm
"Open source vendor is bringing its year-old deltacloud project to
commercialization as it expands its virtualization offerings and
develops a
cloud management engine. "
Here are the sources
$ git clone git://git.fedorahosted.org/git/deltacloud/core.git/
$ git clone --branch next
git://git.fedorahosted.org/git/deltacloud/aggregator.git/
$ git clone --branch next
git://git.fedorahosted.org/git/deltacloud/docs.git/