.travis.yml

---
sudo: required
language: bash
services:
  - docker

# Build matrix
env:
  - distribution: centos
    version: 7
  - distribution: debian
    version: 9
  - distribution: ubuntu
    version: 18.04

before_install:
  # Pull the image corresponding to the environment vars from Docker Hub:
  - docker pull "kblr/${distribution}${version}-ansible:latest"

script:
  # 0/ Run the container:
  - > 
    docker run
    --name "${TRAVIS_COMMIT}.${distribution}-${version}"
    --detach
    --privileged
    --mount type=bind,source=/sys/fs/cgroup,target=/sys/fs/cgroup,readonly
    --mount type=bind,source="$(pwd)",target=/etc/ansible/roles/under_test,readonly
    "kblr/${distribution}${version}-ansible:latest"

  # 1/ Check role syntax:
  - >
    docker exec "${TRAVIS_COMMIT}.${distribution}-${version}"
    ansible-playbook -v /etc/ansible/roles/under_test/tests/test.yml --syntax-check

  # 2/ Check first run:
  - >
    docker exec "${TRAVIS_COMMIT}.${distribution}-${version}"
    ansible-playbook -v /etc/ansible/roles/under_test/tests/test.yml

  # 3/ Check idempotence:
  - >
    docker exec "${TRAVIS_COMMIT}.${distribution}-${version}"
    ansible-playbook -v /etc/ansible/roles/under_test/tests/test.yml
    | grep -q 'changed=0.*failed=0'
    && (echo 'Idempotence test: pass' && exit 0)
    || (echo 'Idempotence test: fail' && exit 1)

after_script:
  # Remove container:
  - docker rm -f "${TRAVIS_COMMIT}.${distribution}-${version}"

notifications:
  webhooks: https://galaxy.ansible.com/api/v1/notifications/
...