.travis.yml

---
services: docker

env:
# ubuntu1604 fails due to apt error: No package matching 'build-essential' is available
#  - distro: ubuntu1604
#    init: /lib/systemd/systemd
#    run_opts: "--privileged --volume=/sys/fs/cgroup:/sys/fs/cgroup:ro"
  - distro: ubuntu1404
    init: /sbin/init
    run_opts: ""
# TODO: add debian

before_install:
  # Pull container.
  - 'docker pull geerlingguy/docker-${distro}-ansible:latest'

script:
  - container_id=$(mktemp)
  # Run container in detached state.
  - 'docker run --detach --volume="${PWD}":/etc/ansible/roles/role_under_test:rw ${run_opts} geerlingguy/docker-${distro}-ansible:latest "${init}" > "${container_id}"'

  # Ansible syntax check.
  - 'docker exec --tty "$(cat ${container_id})" env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml --syntax-check'

  # Fix pip - see https://bugs.launchpad.net/ubuntu/+source/python-pip/+bug/1658844
  - 'docker exec "$(cat ${container_id})" apt-get update'
  - 'docker exec "$(cat ${container_id})" apt-get install -y python-pip'
  - 'docker exec "$(cat ${container_id})" python -m pip install -U pip'
  - 'docker exec "$(cat ${container_id})" pip install -U pip setuptools'

  # Test role.
  - 'docker exec "$(cat ${container_id})" ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml'

  # Test role idempotence.
  - idempotence=$(mktemp)
  - docker exec "$(cat ${container_id})" ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml | tee -a ${idempotence}
  - >
    tail ${idempotence}
    | grep -q 'changed=0.*failed=0'
    && (echo 'Idempotence test: pass' && exit 0)
    || (echo 'Idempotence test: fail' && exit 1)