OpenCafe (test framework) - https://github.com/CafeHub/opencafe
- Test runner: https://github.com/CafeHub/opencafe/blob/master/cafe/drivers/unittest/runner.py
- Configuration manager: https://github.com/CafeHub/opencafe/tree/master/cafe/common/reporting
- Virtual machine validator: https://github.com/openstack/cloudcafe/tree/master/cloudcafe/compute/common/clients/remote_instance