.travis.yml

---
# Need sudo for some Docker commands.
sudo: required

env:
# Add a list of OS'es to be tested on.
  - distro: ubuntu2004
    init: /lib/systemd/systemd
    run_opts: "--privileged --volume=/sys/fs/cgroup:/sys/fs/cgroup:ro"
  - distro: debian10.4 # buster
    init: /lib/systemd/systemd
    run_opts: "--privileged --volume=/sys/fs/cgroup:/sys/fs/cgroup:ro"
#  - distro: OpenSUSE  
  
    
# Tell Travis to start Docker when it brings up an environment.
services:
  - docker

before_install:
  # Pull the image from Docker Hub for the OS under test.

script:
  # Start the container from the image and perform tests.

notifications:
  # Notify Ansible Galaxy when a role builds successfully.

before_install:
  # Pull container from Docker Hub.
  - 'docker pull ansible/ansible'

script:
  # Create a random file to store the container ID.
  - container_id=$(mktemp)

  # Run container detached, with our role mounted inside.
  - 'docker run --detach --volume="${PWD}":/etc/ansible/roles/role_under_test:ro ${run_opts} docker push svaksha/docker:latest "${init}" > "${container_id}"'

  # TODO - Test the Ansible role.
  
...