build-gems.yml

name: Build Gems
on:
  push:
    branches:
      - main
      - "releases/*"

permissions:
  contents: read
  actions: write

jobs:
  build-platform-gems:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        # TODO(cretz): Enable x64-mingw-ucrt if we can figure out Windows issue, see
        # https://github.com/temporalio/sdk-ruby/issues/172
        include:
          - rubyPlatform: aarch64-linux
          - rubyPlatform: aarch64-linux-musl
          # aws-lc-rs refuses to use GCC version included in image due to compiler bug
          - rubyPlatform: x86_64-linux
            gccVersion: "10"
          - rubyPlatform: x86_64-linux-musl
          - rubyPlatform: arm64-darwin
          - rubyPlatform: x86_64-darwin
    steps:
      - name: Checkout repository
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          submodules: recursive

      - name: Read protoc version
        shell: bash
        run: echo "PROTOC_VERSION=$(tr -d '\n' < .protoc-version)" >> "$GITHUB_ENV"

      - name: Setup Ruby and Rust
        uses: oxidize-rb/actions/setup-ruby-and-rust@e5f9a49a7812a078584072f6e3f657ad247c8771 # v1
        with:
          ruby-version: "4.0"
          bundler-cache: false # Needed so 'bundler install' doesn't run
          cargo-cache: true
          cargo-vendor: true
          working-directory: ./temporalio
          cache-version: v1-${{ matrix.rubyPlatform }}

      # rb-sys-dock runs the native gem build inside a Docker container and does
      # not inherit arbitrary host tools, so we derive a pinned image with the
      # exact protoc version baked in for release builds.
      - name: Build rb-sys-dock image
        id: build-rb-sys-dock-image
        working-directory: ./temporalio
        run: |
          gem install rb_sys --no-document
          rb_sys_version="$(ruby -e 'require "rb_sys/version"; puts RbSys::VERSION')"
          custom_image="temporalio-rbsys/${{ matrix.rubyPlatform }}:${rb_sys_version}-protoc-${PROTOC_VERSION}"
          docker build \
            --platform linux/amd64 \
            --build-arg BASE_IMAGE="rbsys/${{ matrix.rubyPlatform }}:${rb_sys_version}" \
            --build-arg GCC_VERSION="${{ matrix.gccVersion || '' }}" \
            --build-arg PROTOC_VERSION="${PROTOC_VERSION}" \
            -t "$custom_image" \
            -f ../.github/docker/rb-sys-protoc.Dockerfile \
            ..
          echo "image=$custom_image" >> "$GITHUB_OUTPUT"

      # Cannot use oxidize-rb/actions/cross-gem because it has older Rust and we
      # need --mount-toolchains to get latest Rust, see
      # https://github.com/oxidize-rb/actions/issues/61
      - name: Cross compile gem
        id: cross-gem
        working-directory: ./temporalio
        run: |
          RCD_IMAGE="${{ steps.build-rb-sys-dock-image.outputs.image }}" rb-sys-dock --platform "${{ matrix.rubyPlatform }}" --ruby-versions "3.3,3.4,4.0" --mount-toolchains --build
          echo "gem-path=$(find pkg -name '*-${{ matrix.rubyPlatform }}.gem')" >> "$GITHUB_OUTPUT"

      - name: Upload gem
        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7
        with:
          if-no-files-found: error
          name: ${{ matrix.rubyPlatform }}-gem
          path: ./temporalio/${{ steps.cross-gem.outputs.gem-path }}

  build-source-gem:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          submodules: recursive

      - name: Read protoc version
        shell: bash
        run: echo "PROTOC_VERSION=$(tr -d '\n' < .protoc-version)" >> "$GITHUB_ENV"

      - name: Setup Ruby and Rust
        uses: oxidize-rb/actions/setup-ruby-and-rust@e5f9a49a7812a078584072f6e3f657ad247c8771 # v1
        with:
          ruby-version: "4.0"
          bundler-cache: true
          cargo-cache: true
          cache-version: v1-source

      - name: Install protoc
        uses: arduino/setup-protoc@c65c819552d16ad3c9b72d9dfd5ba5237b9c906b # v3
        with:
          version: ${{ env.PROTOC_VERSION }}
          repo-token: ${{ secrets.GITHUB_TOKEN }}

      - name: Fix gem directory permissions
        run: chmod -R o-w "$RUNNER_TOOL_CACHE/Ruby" || true

      - name: Install bundle
        working-directory: ./temporalio
        run: bundle install

      - name: Build
        working-directory: ./temporalio
        run: bundle exec rake build

      - name: Upload gem
        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7
        with:
          name: source-gem
          path: temporalio/pkg/*.gem

  smoke-test-gems:
    needs:
      - build-platform-gems
    strategy:
      fail-fast: false
      matrix:
        # TODO(cretz): Enable Linux ARM. See ci.yaml comment for why we can't right now.
        #
        # TODO(cretz): Enable windows-latest if we can figure out Windows issue, see
        #   https://github.com/temporalio/sdk-ruby/issues/172
        #
        # TODO(cretz): macos-intel (macos-13) is not tested against because the GH runner for it
        #   does not have updated certificates and it is not easy to update them, see
        #   https://github.com/temporalio/sdk-ruby/issues/306
        os: [ubuntu-latest, macos-latest]
        rubyVersion: ["3.3", "3.4", "4.0"]
        # Container defaults to empty/none, but additional container for Alpine
        # added later
        container: [""]

        include:
          - os: ubuntu-latest
            rubyPlatform: x86_64-linux
          - os: macos-latest
            rubyPlatform: arm64-darwin
          - os: ubuntu-latest
            rubyVersion: "3.3"
            container: alpine/git:latest
            rubyPlatform: x86_64-linux-musl
    runs-on: ${{ matrix.os }}
    container: ${{ matrix.container }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          submodules: recursive

      - name: Download gem
        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8
        with:
          name: ${{ matrix.rubyPlatform }}-gem
          path: local-gem

      # This only works on official runners
      - name: Setup Ruby
        if: ${{ matrix.container == '' }}
        uses: oxidize-rb/actions/setup-ruby-and-rust@e5f9a49a7812a078584072f6e3f657ad247c8771 # v1
        with:
          ruby-version: "${{ matrix.rubyVersion }}"
          bundler-cache: true
          cargo-cache: false

      # Works for Alpine
      - name: Setup Ruby (Alpine)
        if: ${{ matrix.container == 'alpine/git:latest' }}
        run: apk add --no-cache ruby ruby-dev ruby-bundler build-base

      - name: Run smoke test
        run: ruby ./temporalio/smoke_test/smoke_test_gem.rb 'local-gem/*-${{ matrix.rubyPlatform }}.gem'