We're recreating the functionality of the "Vagrantfile" through Behave (python cucumber framework) scenarios calling down into the step definitions to provision

We're recreating the functionality of the "Vagrantfile" through Behave (python cucumber framework) scenarios calling down into the step definitions to provision things through libvirt. It unifies both the development environment setup and the system integration testing setup/execution into the same set of tools. It's also helpful in setting up esoteric environments through QEMU like QNX on ARM during much of the testing before extending it to getting real hardware in the loop. We also use the Ansible Python API to keep from having to re-implement a bunch of orchestration primitives from scratch.