molecule/default/verify.yml

---
# docker molecule/default/verify.yml
#
# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
# SPDX-License-Identifier: Apache-2.0

- name: Verify
  hosts: all
  tasks:

    - name: Check installed Docker version string
      command:
        cmd: "docker version"
      register: docker_version
      tags:
        - skip_ansible_lint  # info gathering

    - debug:
        var: docker_version

    - name: Assert that installed Docker version matches version string
      assert:
        that:
          - "'Version:          19.03' in docker_version.stdout"