TODO: Fill in more useful information here. For now I'm just dumping some notes here:
docker-machine create -d openstack
--openstack-domain-name=stratuslab \
--openstack-username=embray --openstack-password=******** \
--openstack-auth-url=https://keystone.lal.in2p3.fr:5000/v3 \
--openstack-flavor-name=os.4 --openstack-image-name=debian-9.4-20180319 \
--openstack-tenant-id=d593d7819b6f42d09a5f89339cdfcfc5 \
--openstack-region=lal --openstack-insecure \
--openstack-ssh-user=debian --engine-storage-driver=overlay2