---

variables:
  # Available platforms: linux/amd64, linux/amd64/v2, linux/amd64/v3, linux/arm64, linux/riscv64, linux/ppc64, linux/ppc64le, linux/s390x, linux/386, linux/mips64le, linux/mips64, linux/arm/v7, linux/arm/v6
  # DOCKER_IMAGE_BUILD_TARGET_PLATFORMS: "linux/amd64,linux/arm64,linux/arm/v7"
  DOCKER_IMAGE_BUILD_NAME: $CI_PROJECT_NAME
  DOCKER_IMAGE_BUILD_REGISTRY: $CI_REGISTRY_IMAGE
  DOCKER_IMAGE_BUILD_TAG: $CI_COMMIT_SHA
  
  # DOCKER_IMAGE_PUBLISH_NAME: $CI_PROJECT_NAME
  # DOCKER_IMAGE_PUBLISH_REGISTRY: docker.io/nofusscomputing
  # DOCKER_IMAGE_PUBLISH_URL: https://hub.docker.com/r/nofusscomputing/$DOCKER_IMAGE_PUBLISH_NAME
  # JOB_STOP_CONVENTIONAL_COMMITS: 'any_value'
  # JOB_STOP_GIT_PUSH_MIRROR: 'any_value'
  # GIT_SYNC_URL: "https://$GITHUB_USERNAME_ROBOT:$GITHUB_TOKEN_ROBOT@github.com/NoFussComputing/config.git" # Must be defined for job to run
  # JOB_STOP_GITLAB_RELEASE: 'any value'


.build_docker_container:
  stage: build
  image: nofusscomputing/docker-buildx-qemu:dev
  services:
    - name: docker:23-dind
      entrypoint: ["env", "-u", "DOCKER_HOST"]
      command: ["dockerd-entrypoint.sh"]
  variables:
    DOCKER_HOST: tcp://docker:2375/
    DOCKER_DRIVER: overlay2
    DOCKER_DOCKERFILE: dockerfile
    # See https://github.com/docker-library/docker/pull/166
    DOCKER_TLS_CERTDIR: ""
  before_script:
    - if [ "0$JOB_ROOT_DIR" == "0" ]; then ROOT_DIR=gitlab-ci; else ROOT_DIR=$JOB_ROOT_DIR ; fi
    - echo "[DEBUG] ROOT_DIR[$ROOT_DIR]"
    - docker info
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
    #- pip3 install -r gitlab-ci/gitlab_release/requirements.txt
    - pip3 install setuptools wheel
    - pip install -r $ROOT_DIR/conventional_commits/requirements.txt
    - pip3 install gitlab-ci/gitlab_release/python-module/cz_nfc/.
      # see: https://gitlab.com/gitlab-org/gitlab-runner/-/merge_requests/1861 
      # on why this `docker run` is required. without it multiarch support doesnt work.
    - docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
    - update-binfmts --display
    - update-binfmts --enable # Important: Ensures execution of other binary formats is enabled in the kernel
    - docker buildx create --driver=docker-container --driver-opt image=moby/buildkit:v0.11.6 --use
    - docker buildx inspect --bootstrap


  #       --label org.opencontainers.image.url="$CI_PROJECT_URL/-/releases/$(cz -n cz_nfc version --project)" \
  #       --label org.opencontainers.image.version="$(cz -n cz_nfc version --project)" \
  script: 
    - update-binfmts --display
    - |

      if [ "0$DOCKER_IMAGE_BUILD_TARGET_PLATFORMS" != "0" ]; then

        echo "[DEBUG] building multiarch/specified arch image";

        docker buildx build --platform=$DOCKER_IMAGE_BUILD_TARGET_PLATFORMS . \
          --label org.opencontainers.image.created="$(date '+%Y-%m-%d %H:%M:%S%:z')" \
          --label org.opencontainers.image.documentation="$CI_PROJECT_URL" \
          --label org.opencontainers.image.source="$CI_PROJECT_URL" \
          --label org.opencontainers.image.revision="$CI_COMMIT_SHA" \
        --push \
        --build-arg CI_JOB_TOKEN=$CI_JOB_TOKEN --build-arg CI_PROJECT_ID=$CI_PROJECT_ID --build-arg CI_API_V4_URL=$CI_API_V4_URL \
        --file $DOCKER_DOCKERFILE \
        --tag $DOCKER_IMAGE_BUILD_REGISTRY/$DOCKER_IMAGE_BUILD_NAME:$DOCKER_IMAGE_BUILD_TAG;

        docker buildx imagetools inspect $DOCKER_IMAGE_BUILD_REGISTRY/$DOCKER_IMAGE_BUILD_NAME:$DOCKER_IMAGE_BUILD_TAG;

        # during docker multi platform build there are >=3 additional unknown images added to gitlab container registry. cleanup
        
        DOCKER_MULTI_ARCH_IMAGES=$(docker buildx imagetools inspect "$DOCKER_IMAGE_BUILD_REGISTRY/$DOCKER_IMAGE_BUILD_NAME:$DOCKER_IMAGE_BUILD_TAG" --format "{{ range .Manifest.Manifests }}{{ if ne (print .Platform) \"&{unknown unknown  [] }\" }}$DOCKER_IMAGE_BUILD_REGISTRY/$DOCKER_IMAGE_BUILD_NAME:$DOCKER_IMAGE_BUILD_TAG@{{ println .Digest }}{{end}} {{end}}");

        docker buildx imagetools create $DOCKER_MULTI_ARCH_IMAGES --tag $DOCKER_IMAGE_BUILD_REGISTRY/$DOCKER_IMAGE_BUILD_NAME:$DOCKER_IMAGE_BUILD_TAG;

        docker buildx imagetools inspect $DOCKER_IMAGE_BUILD_REGISTRY/$DOCKER_IMAGE_BUILD_NAME:$DOCKER_IMAGE_BUILD_TAG;

      else

        echo "[DEBUG] building image";

        docker build . \
          --label org.opencontainers.image.created="$(date '+%Y-%m-%d %H:%M:%S%:z')" \
          --label org.opencontainers.image.documentation="$CI_PROJECT_URL" \
          --label org.opencontainers.image.source="$CI_PROJECT_URL" \
          --label org.opencontainers.image.url="$CI_PROJECT_URL/-/releases/$(cz -n cz_nfc version --project)" \
          --label org.opencontainers.image.version="$(cz -n cz_nfc version --project)" \
          --label org.opencontainers.image.revision="$CI_COMMIT_SHA" \
        --build-arg CI_JOB_TOKEN=$CI_JOB_TOKEN --build-arg CI_PROJECT_ID=$CI_PROJECT_ID --build-arg CI_API_V4_URL=$CI_API_V4_URL \
        --file $DOCKER_DOCKERFILE \
        --tag $DOCKER_IMAGE_BUILD_REGISTRY/$DOCKER_IMAGE_BUILD_NAME:$DOCKER_IMAGE_BUILD_TAG;
      
      docker push $DOCKER_IMAGE_BUILD_REGISTRY/$DOCKER_IMAGE_BUILD_NAME:$DOCKER_IMAGE_BUILD_TAG;

      fi
  rules:

    - if: # condition_master_branch_push
        $CI_COMMIT_BRANCH == "master" && 
        $CI_PIPELINE_SOURCE == "push"
      exists:
        - '{dockerfile, dockerfile.j2}'
      when: always

    - if: # condition_dev_branch_push
        $CI_COMMIT_BRANCH == "development" && 
        $CI_PIPELINE_SOURCE == "push"
      exists:
        - '{dockerfile, dockerfile.j2}'
      changes:
        paths:
          - '{dockerfile, dockerfile.j2, includes**/**}'
        compare_to: 'master'
      when: always

    - if: # condition_not_master_or_dev_push
        $CI_COMMIT_BRANCH != "master" && 
        $CI_COMMIT_BRANCH != "development" && 
        $CI_PIPELINE_SOURCE == "push"
      exists:
        - '{dockerfile, dockerfile.j2}'
      changes:
        paths:
          - '{dockerfile, dockerfile.j2, includes**/**}'
        compare_to: 'devlopment'
      when: always

    - when: never