community.general/test/integration/roles/test_docker/tasks/docker-tests.yml

- name: Start docker daemon
  service:
    name: docker
    state: started

- name: Download busybox image
  docker:
    image: busybox
    state: present
    pull: missing

- name: Run a small script in busybox
  docker:
    image: busybox
    state: reloaded
    pull: always
    command: "nc -l -p 2000 -e xargs -n1 echo hello"
    detach: True

- name: Get the docker container ip
  set_fact: container_ip="{{docker_containers[0].NetworkSettings.IPAddress}}"

- name: Try to access the server
  shell: "echo 'world' | nc {{ container_ip }} 2000"
  register: docker_output

- name: check that the script ran
  assert:
    that:
      - "'hello world' in docker_output.stdout_lines"

- name: Run a script that sets environment in busybox
  docker:
    image: busybox
    state: reloaded
    pull: always
    env:
      TEST: hello
    command: '/bin/sh -c "nc -l -p 2000 -e xargs -n1 echo $TEST"'
    detach: True

- name: Get the docker container ip
  set_fact: container_ip="{{docker_containers[0].NetworkSettings.IPAddress}}"

- name: Try to access the server
  shell: "echo 'world' | nc {{ container_ip }} 2000"
  register: docker_output

- name: check that the script ran
  assert:
    that:
      - "'hello world' in docker_output.stdout_lines"

- name: Remove containers
  shell: "docker rm -f $(docker ps -aq)"

- name: Remove all images from the local docker
  shell: "docker rmi -f $(docker images -q)"