puphpet/puphpet — pull request #559 by Spadbob (2014-03-12 14:31:37+00:00)
Title: Adding 'vagrant rsync' support for vagrant 1.5 to AWS, Digital Ocean and...

... Rackspace

See blog post: https://www.vagrantup.com/blog/feature-preview-vagrant-1-5-rsync.html

Confirmed it works with aws, but may need testing with digital ocean and rackspace (assume they at least support rsync)