image: docker:latest


# When using dind, it's wise to use the overlayfs driver for
# improved performance.
variables:
  DOCKER_DRIVER: overlay
  DOCKERFILE: Dockerfile

before_script:
  - docker login -u gitlab-ci-token -p $CI_BUILD_TOKEN $CI_REGISTRY

stages:
  - test
  - images
  - release

.test: &test_definition
  variables:
    PIP_CACHE_DIR: "$CI_PROJECT_DIR/pip-cache"
  cache:
    paths:
      - .venv/
      - pip-cache/
    key: "$CI_PROJECT_NAME"
  stage: test
  script:
    - pip install virtualenv
    - virtualenv -q .venv
    - source .venv/bin/activate
    - python setup.py test
  
test-3.5:
  <<: *test_definition
  image: "python:3.5"

test-3.4:
  <<: *test_definition
  image: "python:3.4"

test-2.7:
  <<: *test_definition
  image: "python:2.7"


.image: &image_definition
  variables:
    PYTHON_VERSION: "3.5"
  script:
    - docker build -f Dockerfile-3.5 . -t $CI_REGISTRY_IMAGE:$CI_BUILD_TAG-$PYTHON_VERSION
    - docker push $CI_REGISTRY_IMAGE:$CI_BUILD_TAG-$PYTHON_VERSION
  stage: images
  only:
    - tags
    - triggers

image-3.5:
  <<: *image_definition
  variables:
    PYTHON_VERSION: "3.5"

image-2.7:
  <<: *image_definition
  variables:
    PYTHON_VERSION: "2.7"

image-latest:
  stage: release
  script:
    - docker build -f Dockerfile . -t $CI_REGISTRY_IMAGE
    - docker tag $CI_REGISTRY_IMAGE $CI_REGISTRY_IMAGE:$CI_BUILD_REF_SLUG
    - docker push $IMAGE_NAME
    - docker push $IMAGE_NAME:$CI_BUILD_REF_SLUG
  only:
    - master
    - triggers