version: 2.1

workflows:
  docker:
    jobs:
      - build
      - deploy:
          context:
            - docker
          requires:
            - build
          matrix:
            parameters:
              program: [frontend, proxy]
              image_arch: [i386, amd64, arm32v7, arm64v8, ppc64le, s390x]
          filters:
            branches:
              only: master

jobs:
  build:
    docker:
      - image: circleci/golang:1.15
    working_directory: /go/src/github.com/xddxdd/bird-lg-go
    steps:
      - checkout
      - run: go get -v -t -d ./...
      - run: go get -u github.com/kevinburke/go-bindata/...
      - run: cd frontend && go generate
      - run: go test -v ./...
  deploy:
    docker:
      - image: circleci/golang:1.15
    working_directory: /go/src/github.com/xddxdd/bird-lg-go
    parameters:
      image_arch:
        type: string
      program:
        type: string
    steps:
      - checkout
      - setup_remote_docker:
          version: 19.03.13
      - run:
          name: Build Docker image
          environment:
            IMAGE_ARCH: << parameters.image_arch >>
            PROGRAM: << parameters.program >>
            BUILD_ID: << pipeline.number >>
          command: |
            if [ "$PROGRAM" = "frontend" ]; then
              export IMAGE_NAME="bird-lg-go"
            else
              export IMAGE_NAME="bird-lgproxy-go"
            fi

            export IMAGE_ARCH_GO=$IMAGE_ARCH
            if [ "$IMAGE_ARCH" = "i386"    ]; then export IMAGE_ARCH_GO="386"  ; fi
            if [ "$IMAGE_ARCH" = "arm32v7" ]; then export IMAGE_ARCH_GO="arm"  ; fi
            if [ "$IMAGE_ARCH" = "arm64v8" ]; then export IMAGE_ARCH_GO="arm64"; fi

            docker build \
              --build-arg IMAGE_ARCH=$IMAGE_ARCH_GO \
              -t $DOCKER_USERNAME/$IMAGE_NAME:$IMAGE_ARCH \
              -f $PROGRAM/Dockerfile \
              $PROGRAM

            echo $DOCKER_PASSWORD | docker login -u $DOCKER_USERNAME --password-stdin

            # Tag image :{arch} and :{arch}-build{build number}
            docker push $DOCKER_USERNAME/$IMAGE_NAME:$IMAGE_ARCH
            docker tag $DOCKER_USERNAME/$IMAGE_NAME:$IMAGE_ARCH $DOCKER_USERNAME/$IMAGE_NAME:$IMAGE_ARCH-circleci-build$BUILD_ID
            docker push $DOCKER_USERNAME/$IMAGE_NAME:$IMAGE_ARCH-circleci-build$BUILD_ID
            if [ "$IMAGE_ARCH" = "amd64" ]; then
              # Tag as latest for amd64 images
              docker tag $DOCKER_USERNAME/$IMAGE_NAME:$IMAGE_ARCH $DOCKER_USERNAME/$IMAGE_NAME:latest
              docker push $DOCKER_USERNAME/$IMAGE_NAME:latest
              docker tag $DOCKER_USERNAME/$IMAGE_NAME:$IMAGE_ARCH $DOCKER_USERNAME/$IMAGE_NAME:circleci-build$BUILD_ID
              docker push $DOCKER_USERNAME/$IMAGE_NAME:latest
            fi