Fedora

The heat project (https://github.com/heat-api/heat) comes with a tool like this (uses oz to install a jeos + cloud-init and also registers the image with glance.

" Please provide the distro, arch, and instance type.

 Usage:
  heat jeos-create <distro> <arch> <instancetype>
    instance type can be:
    gold builds a base image where userdata is used to initialize the instance
    cfntools builds a base image where AWS CloudFormation tools are present

"

Implementation here (we are separating out the AWS tools + jeos creation): https://github.com/heat-api/heat-jeos/blob/master/heat/utils.py

-Angus Salkeld