sudo: required
addons:
  apt:
    update: true

notifications:
  email: false

language: python

cache:
- pip
- directories:
  - /home/travis/virtualenv

install:
# |cat to disable progress bar.
- pip install -r dev_requirements.txt |cat

script:
- |
  if [ -f "${TRAVIS_BUILD_DIR}/.ci/${MODE}_tests.sh" ]; then
    ${TRAVIS_BUILD_DIR}/.ci/${MODE}_tests.sh;
  else
    ${TRAVIS_BUILD_DIR}/.ci/${MODE}_tests.py;
  fi


services:
  - docker


# To avoid matrix explosion, just test against oldest->newest and
# newest->oldest in various configuartions.

matrix:
  include:
    # Mitogen tests.
    # 2.7 -> 2.7
    - python: "2.7"
      env: MODE=mitogen DISTRO=debian
    # 2.7 -> 2.6
    - python: "2.7"
      env: MODE=mitogen DISTRO=centos6
    # 2.6 -> 2.7
    - python: "2.6"
      env: MODE=mitogen DISTRO=centos7
    # 3.6 -> 2.6
    - python: "3.6"
      env: MODE=mitogen DISTRO=centos6

    # Debops tests.
    # 2.4.6.0; 2.7 -> 2.7
    - python: "2.7"
      env: MODE=debops_common VER=2.4.6.0
    # 2.5.7; 3.6 -> 2.7
    - python: "3.6"
      env: MODE=debops_common VER=2.6.2

    # ansible_mitogen tests.

    # 2.6 -> {debian, centos6, centos7}
    - python: "2.6"
      env: MODE=ansible VER=2.4.6.0
    - python: "2.6"
      env: MODE=ansible VER=2.6.2

    # 3.6 -> {debian, centos6, centos7}
    - python: "3.6"
      env: MODE=ansible VER=2.4.6.0
    - python: "3.6"
      env: MODE=ansible VER=2.6.2

    # Sanity check against vanilla Ansible. One job suffices.
    - python: "2.7"
      env: MODE=ansible VER=2.6.2 DISTROS=debian STRATEGY=linear