Comment 5 for bug 1322771

On a fresh, minimal Trusty system I had to install the following:
  * git
  * apache2
  * python-pip
  * python-dev
  * libffi-dev
  * libssl-dev

Nothing odd or unexpected there if you have done any Python work. It might make sense to list the dependencies instead of telling people to go look at DEVSTACK.

 * apache2
 * pip
 * Python development headers
 * Foreign Function Interface (FFI) headers
 * SSL headers