.gitlab-ci.yml

stages:
  # NOTE: Build and test are one stage to prevent the pipeline from pushing
  # inoperational images to the registry. Besides it should be more efficient
  # As the images doesn't need to be pushed and fetched again.
  - build_and_test
  - update_latest

# Generic variables, here as those in *docker_jobs_common will be overwritten.
variables:
  # These variables are used in the scripts.
  IMAGE_NAME: $CI_REGISTRY/$CI_PROJECT_PATH
  IMAGE_TAG_BASE: $CI_COMMIT_REF_NAME
  # These are required to allow communication with the DIND container.
  DOCKER_HOST: tcp://dockerhost:2375
  DOCKER_TLS_CERTDIR: ""

# Generic code for jobs executing docker commands.
.docker_jobs_common: &docker_jobs_common
  rules:
    - changes:
        paths:
          - source/**/*
          - .gitlab-ci.yml
    - if: '$CI_COMMIT_TAG'
  image: $RUNNER_DOCKER_IMAGE
  services:
    - name: $RUNNER_DIND_IMAGE
      alias: dockerhost
  before_script:
    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY

build_and_test_energy_service_generics:
  <<: *docker_jobs_common
  stage: build_and_test
  rules:
    - if: '$CI_COMMIT_TAG'
  script:
    - sh build-docker-images.sh $IMAGE_TAG_BASE
    # Once all versions of the image are known to be working, push those.
    - docker image tag energy-service-generics:${IMAGE_TAG_BASE} $IMAGE_NAME:${IMAGE_TAG_BASE}
    - docker image tag energy-service-generics:${IMAGE_TAG_BASE}-service $IMAGE_NAME:${IMAGE_TAG_BASE}-service
    - docker image tag energy-service-generics:${IMAGE_TAG_BASE}-pandas $IMAGE_NAME:${IMAGE_TAG_BASE}-pandas
    - docker image tag energy-service-generics:${IMAGE_TAG_BASE}-service-pandas $IMAGE_NAME:${IMAGE_TAG_BASE}-service-pandas
    - docker push $IMAGE_NAME:${IMAGE_TAG_BASE}
    - docker push $IMAGE_NAME:${IMAGE_TAG_BASE}-service
    - docker push $IMAGE_NAME:${IMAGE_TAG_BASE}-pandas
    - docker push $IMAGE_NAME:${IMAGE_TAG_BASE}-service-pandas


update_latest_energy_service_generics:
  <<: *docker_jobs_common
  stage: update_latest
  rules:
    - if: '$CI_COMMIT_TAG'
  script:
    # Tag all previously images as latest if they got a git tag.
    - docker pull $IMAGE_NAME:${IMAGE_TAG_BASE}
    - docker pull $IMAGE_NAME:${IMAGE_TAG_BASE}-service
    - docker pull $IMAGE_NAME:${IMAGE_TAG_BASE}-pandas
    - docker pull $IMAGE_NAME:${IMAGE_TAG_BASE}-service-pandas
    - docker image tag $IMAGE_NAME:${IMAGE_TAG_BASE} $IMAGE_NAME:latest
    - docker image tag $IMAGE_NAME:${IMAGE_TAG_BASE}-service $IMAGE_NAME:latest-service
    - docker image tag $IMAGE_NAME:${IMAGE_TAG_BASE}-pandas $IMAGE_NAME:latest-pandas
    - docker image tag $IMAGE_NAME:${IMAGE_TAG_BASE}-service-pandas $IMAGE_NAME:latest-service-pandas
    - docker push $IMAGE_NAME:latest
    - docker push $IMAGE_NAME:latest-service
    - docker push $IMAGE_NAME:latest-pandas
    - docker push $IMAGE_NAME:latest-service-pandas