---
- name: Checking docker-py version
  command: python -c "import docker; print docker.__version__"
  register: result
  changed_when: false
  failed_when: result | failed or
               result.stdout | version_compare(docker_py_version_min, '<')

- name: Checking Ansible version
  local_action: command ansible --version
  register: result
  changed_when: false
  failed_when: result.stdout | regex_replace('ansible (\\d+\\.\\d+\\.\\d+)', '\\1') | version_compare(ansible_version_min, '<')