dragonflow-ansible-role for kolla-ansible

dragonflow-ansible-role will be implemented once its docker container is ready with kolla. Containers: 1. dragonflow local controller runs on each compute node 2. dragonflow metadata service runs on each compute node 3. dragonflow publisher service runs aside neutron server 4. dragonflow l3 agent runs on the networ...

Another take on the devenv for kolla-kubernetes

Halcyon is unmaintained and doesn't work. It is also not gated in any way, making it unsuitable for further use in kolla-kubernetes. Recommend taking a page from this review: https://review.openstack.org/#/c/456366/