---
- hosts: 'localhost'
  roles:
    - role: 'docker_install'
      become: true
  tasks:
    - name: 'Check that the docker.pid exists'
      stat:
        path: /run/docker.pid
      register: stat_result
      failed_when: stat_result.stat.exists != true

    - name: 'Result of check docker.pid'
      debug:
        msg: 'Docker started'
      when: stat_result.stat.exists

    - name: 'Pull in the latest nginx container'
      become: true
      docker_image:
        name: 'nginx:latest'
      when: stat_result.stat.exists

    - name: 'Start the nginx container'
      become: true
      docker_container:
        name: 'nginx'
        image: 'nginx:latest'
        state: 'started'
      when: stat_result.stat.exists