on_release_publish.yml

name: On release publish
on: 
  push:
  pull_request:
  release:
    types: [published]

jobs:

  gen_version:
    name: Generate software version
    runs-on: ubuntu-22.04

    steps:
    - name: Check out code
      uses: actions/checkout@v3

    # on release, we want to use release.tag_name for the version
    - name: Set tegola version (use release.tag_name)
      if: github.event_name == 'release'
      run: echo ${{ github.event.release.tag_name }} > ${{ github.workspace }}/version.txt

    # when it's not a release build use the commit hash for the version tag
    - name: Set tegola version (use commit hash)
      if: github.event_name != 'release'
      run: echo ${{ github.sha }} | cut -c1-7 > ${{ github.workspace }}/version.txt

    - name: Upload build artifact version
      uses: actions/upload-artifact@v2
      with:
        name: version
        path: ${{ github.workspace }}/version.txt

    # when it's not a release, but we want to perform an action on a new push/pr to default branch
    # we need the default branch ref, which in case of tegola changes with the version
    - name: Get tegola default branch ref
      run: |
        DEFAULT_BRANCH=$(git remote show origin | awk '/HEAD branch/ {print $NF}')
        echo "DEFAULT_BRANCH=$DEFAULT_BRANCH" >> $GITHUB_ENV
        echo "refs/heads/$DEFAULT_BRANCH" > ${{ github.workspace }}/default-branch-ref.txt

    - name: Upload build artifacts default branch ref
      uses: actions/upload-artifact@v2
      with:
        name: default-branch-ref
        path: ${{ github.workspace }}/default-branch-ref.txt

  build_ui:
    name: Build for embedded ui
    runs-on: ubuntu-22.04

    steps:
      - name: Check out code
        uses: actions/checkout@v3

      - name: Set up Go
        uses: actions/setup-go@v3
        with:
          go-version: 1.20.5

      - name: Build embedded UI
        run: |
          pushd ${GITHUB_WORKSPACE}/server
          go generate ./...
          popd

      - name: Upload build artifact version
        uses: actions/upload-artifact@v2
        with:
          name: ui
          path: ${{ github.workspace }}/ui/dist

  build_linux:
    name: Build for Linux and AWS Lambda
    needs: [gen_version,build_ui]
    runs-on: ubuntu-22.04

    steps:
    - name: Check out actions
      uses: actions/checkout@v3

    - name: Setup env
      uses: ./.github/actions/tegola-setup-env
      with:
        ui: true

    - name: Build for Linux
      env:
        # build architecture
        GOOS: linux
      run: |
          cd cmd/tegola
          go build -mod vendor -ldflags "-w -X ${BUILD_PKG}.Version=${VERSION} -X ${BUILD_PKG}.GitRevision=${GIT_REVISION} -X ${BUILD_PKG}.GitBranch=${GIT_BRANCH}"

    - name: Upload artifact
      uses: ./.github/actions/upload-artifact
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        artifact_name: "tegola"
        upload_postfix: "_linux_amd64"

  build_tegola_lambda:
    name: Build tegola_lambda on Amazon Linux
    needs: [gen_version]
    runs-on: ubuntu-22.04

    steps:
    - name: Check out actions
      uses: actions/checkout@v3

    - name: Setup env
      uses: ./.github/actions/tegola-setup-env
      with:
        ui: false
        go: false

    - name: Build tegola_lambda
      uses: ./.github/actions/amazon-linux-build-action
      with:
        args: '...'

    - name: Upload artifact
      uses: ./.github/actions/upload-artifact
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        artifact_name: "tegola_lambda"
        upload_postfix: ""

  build_macos:
    name: Build for MacOS
    needs: [gen_version,build_ui]
    runs-on: macos-latest

    steps:
    - name: Check out actions
      uses: actions/checkout@v3

    - name: Setup env
      uses: ./.github/actions/tegola-setup-env
      with:
        ui: true

    - name: Build for Darwin
      env:
        GOOS: darwin
      run: |
          cd cmd/tegola
          go build -mod vendor -ldflags "-w -X ${BUILD_PKG}.Version=${VERSION} -X ${BUILD_PKG}.GitRevision=${GIT_REVISION} -X ${BUILD_PKG}.GitBranch=${GIT_BRANCH}"

    - name: Upload artifact
      uses: ./.github/actions/upload-artifact
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        artifact_name: "tegola"
        upload_postfix: "_darwin_amd64"

  build_docker:
    name: Build Docker image and publish to Docker Hub
    needs: [gen_version,build_ui]
    runs-on: ubuntu-22.04
    env:
      DOCKERHUB_ORG: gospatial
      DOCKERHUB_REPO: tegola
      BUILD_ARGS: |
        BUILDPKG=${BUILD_PKG}
        VER=${VERSION}
        BRANCH=${GIT_BRANCH}
        REVISION=${GIT_REVISION}

    steps:
    - name: Check out code
      uses: actions/checkout@v3

    - name: Set up QEMU
      uses: docker/setup-qemu-action@v2

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v2

    - name: Login to Docker Hub
      uses: docker/login-action@v2
      with:
        username: ${{ secrets.DOCKERHUB_USER }}
        password: ${{ secrets.DOCKERHUB_PASSWORD }}

    - name: Setup env
      uses: ./.github/actions/tegola-setup-env
      with:
        ui: true

    # Buildx can only output single-platform result image to docker
    # so for testing purposes we are building only for linux/amd64
    # Later when we publish the image we build for linux/amd64 and linux/arm64
    # Note that linux/amd64 is cached, so when we build images for publishing
    # we are not rebuilding linux/amd64
    - name: Build docker image for testing
      uses: docker/build-push-action@v4
      with:
        context: .
        load: true
        platforms: linux/amd64
        build-args: ${{ env.BUILD_ARGS }}
        tags: ${{ env.DOCKERHUB_ORG }}/${{ env.DOCKERHUB_REPO }}:${{ env.VERSION }}

    - name: Test image build
      run: |
        docker run --rm ${DOCKERHUB_ORG}/${DOCKERHUB_REPO}:${VERSION} version

    - name: Publish Docker edge container
      if: github.ref == env.DEFAULT_BRANCH_REF
      uses: docker/build-push-action@v4
      with:
        push: true
        tags: ${{ env.DOCKERHUB_ORG }}/${{ env.DOCKERHUB_REPO }}:edge
        platforms: linux/amd64,linux/arm64
        build-args: ${{ env.BUILD_ARGS }}

    - name: Publish Docker container
      if: github.event_name == 'release'
      uses: docker/build-push-action@v4
      with:
        push: true
        tags: ${{ env.DOCKERHUB_ORG }}/${{ env.DOCKERHUB_REPO }}:${{ env.VERSION }},${{ env.DOCKERHUB_ORG }}/${{ env.DOCKERHUB_REPO }}:latest
        platforms: linux/amd64,linux/arm64
        build-args: ${{ env.BUILD_ARGS }}

  build_windows:
    name: Build for Windows
    needs: [gen_version,build_ui]
    runs-on: windows-latest

    steps:
    - name: Check out actions
      uses: actions/checkout@v3

    - name: Setup env
      uses: ./.github/actions/tegola-setup-env
      with:
        ui: true

    - name: Build for Windows
      run: |
          cd cmd\tegola
          go build -ldflags "-w -X $Env:BUILD_PKG.Version=$Env:VERSION -X $Env:BUILD_PKG.GitRevision=$Env:GIT_REVISION -X $Env:BUILD_PKG.GitBranch=$Env:GIT_BRANCH"

    - name: Upload artifact
      uses: ./.github/actions/upload-artifact
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        artifact_name: "tegola"
        upload_postfix: "_windows_amd64"