when:docker_py_version is version('2.6.0', '>=') and docker_api_version is version('1.35', '>=')
- fail:msg="Too old docker / docker-py version to run docker_swarm tests!"
when:not(docker_py_version is version('2.6.0', '>=') and docker_api_version is version('1.35', '>=')) and (ansible_distribution != 'CentOS' or ansible_distribution_major_version|int > 6)