.travis.yml

---
# Sudo is required for some docker commands
sudo: required

services:
  - docker

# Run tests for each supported OS
#
# distro: Distro name corresponding to docker images
# init: The init system corresponding to the distro
# run_opts: Additional arguments to pass when creating the docker container
env:
  - distro: ubuntu1604
    init: /lib/systemd/systemd
    run_opts: "--privileged --volume=/sys/fs/cgroup:/sys/fs/cgroup:ro"

# Provision docker container
before_install:
  # Pull latest version of the docker image
  - 'docker pull cdriehuys/docker-${distro}-ansible:latest'

  # Create random file to store container ID
  - container_id=$(mktemp)

  # Run container with role mounted inside
  - >
    docker run --detach --volume="${PWD}":/etc/ansible/roles/role_under_test:ro
    ${run_opts} cdriehuys/docker-${distro}-ansible:latest
    "${init}" > "${container_id}"

# Start docker container and run tests
script:
  # Test role syntax
  - >
    docker exec --tty "$(cat ${container_id})" env TERM=xterm
    ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml --syntax-check

  # Run role first time
  - >
    docker exec --tty "$(cat ${container_id})" env TERM=xterm
    ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml

  # Create temp file for idempotency test results
  - idempotence=$(mktemp)

  # Run role a second time
  - >
    docker exec "$(cat ${container_id})"
    ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml
    | tee -a ${idempotence}

  # Make sure second run didn't change anything
  - >
    tail ${idempotence}
    | grep -q 'changed=0.*failed=0'
    && (echo 'Idempotence test: pass' && exit 0)
    || (echo 'Idempotence test: fail' && exit 1)

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