name: "docker: build dev containers"

on:
  push:
    branches: [ master ]
    paths:
      - 'weed/**'
      - 'seaweed-volume/**'
      - 'seaweed-worker/**'
      - 'docker/**'
      - 'go.mod'
      - 'go.sum'
      - '.github/workflows/container_dev.yml'

permissions:
  contents: read

jobs:

  # ── Pre-build the Rust binaries natively ────────────────────────────
  build-rust-binaries:
    runs-on: ubuntu-22.04
    strategy:
      matrix:
        include:
          - target: x86_64-unknown-linux-musl
            arch: amd64
          - target: aarch64-unknown-linux-musl
            arch: arm64
            cross: true
    steps:
      - name: Checkout
        uses: actions/checkout@v7

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          targets: ${{ matrix.target }}

      - name: Install musl tools (amd64)
        if: ${{ !matrix.cross }}
        run: sudo apt-get install -y musl-tools

      - name: Install cross-compilation tools (arm64)
        if: matrix.cross
        run: |
          sudo apt-get install -y gcc-aarch64-linux-gnu
          echo "CARGO_TARGET_AARCH64_UNKNOWN_LINUX_MUSL_LINKER=aarch64-linux-gnu-gcc" >> "$GITHUB_ENV"
          # Disable glibc fortify source — its __memcpy_chk etc. symbols don't exist in musl
          echo "CFLAGS_aarch64_unknown_linux_musl=-U_FORTIFY_SOURCE" >> "$GITHUB_ENV"

      - name: Cache cargo registry and target
        uses: actions/cache@v6
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            seaweed-volume/target
            seaweed-worker/target/${{ matrix.target }}/release
          key: rust-docker-dev-${{ matrix.target }}-${{ hashFiles('seaweed-volume/Cargo.lock', 'seaweed-worker/Cargo.lock') }}
          restore-keys: |
            rust-docker-dev-${{ matrix.target }}-

      # lance's build scripts compile their own protos and look for a protoc.
      # Point them at the one protoc-bin-vendored ships, which seaweed-worker's
      # own build already uses, so no job depends on a system package and every
      # build sees the same version.
      - name: Use the vendored protoc
        run: |
          cd seaweed-worker
          cargo fetch
          # The version from the lock, not whatever else a restored cache holds.
          version=$(awk '/^name = "protoc-bin-vendored-linux-x86_64"$/{found=1; next} found && /^version = /{gsub(/"/,"",$3); print $3; exit}' Cargo.lock)
          test -n "$version" || { echo "protoc-bin-vendored-linux-x86_64 is not in Cargo.lock" >&2; exit 1; }
          protoc=$(find ~/.cargo/registry/src -path "*protoc-bin-vendored-linux-x86_64-$version/bin/protoc" | head -1)
          test -x "$protoc" || { echo "no vendored protoc $version in the registry" >&2; exit 1; }
          echo "PROTOC=$protoc" >> "$GITHUB_ENV"

      - name: Build normal variant
        env:
          SEAWEEDFS_COMMIT: ${{ github.sha }}
        run: |
          cd seaweed-volume
          cargo build --release --target ${{ matrix.target }} --no-default-features
          cp target/${{ matrix.target }}/release/weed-volume ../weed-volume-normal-${{ matrix.arch }}

      - name: Build the Rust maintenance worker
        run: |
          cd seaweed-worker
          cargo build --release -p weed-lance-worker --target ${{ matrix.target }}
          cp target/${{ matrix.target }}/release/weed-worker ../weed-worker-${{ matrix.arch }}

      - name: Upload artifacts
        uses: actions/upload-artifact@v7
        with:
          name: rust-bins-${{ matrix.arch }}
          path: |
            weed-volume-normal-${{ matrix.arch }}
            weed-worker-${{ matrix.arch }}

  build-dev-containers:
    needs: [build-rust-binaries]
    runs-on: [ubuntu-latest]

    steps:
      - name: Checkout
        uses: actions/checkout@v7

      - name: Download pre-built Rust binaries
        uses: actions/download-artifact@v8
        with:
          pattern: rust-bins-*
          merge-multiple: true
          path: ./rust-bins

      - name: Place Rust binaries in Docker context
        run: |
          mkdir -p docker/weed-volume-prebuilt
          for arch in amd64 arm64; do
            src="./rust-bins/weed-volume-normal-${arch}"
            if [ -f "$src" ]; then
              cp "$src" "docker/weed-volume-prebuilt/weed-volume-${arch}"
              echo "Placed pre-built Rust binary for ${arch}"
            fi
          done
          mkdir -p docker/weed-worker-prebuilt
          for arch in amd64 arm64; do
            src="./rust-bins/weed-worker-${arch}"
            if [ -f "$src" ]; then
              cp "$src" "docker/weed-worker-prebuilt/weed-worker-${arch}"
              echo "Placed pre-built Rust worker for ${arch}"
            fi
          done
          ls -la docker/weed-volume-prebuilt/
          ls -la docker/weed-worker-prebuilt/

      - name: Docker meta
        id: docker_meta
        uses: docker/metadata-action@v6
        with:
          images: |
            chrislusf/seaweedfs
            ghcr.io/chrislusf/seaweedfs
          tags: |
            type=raw,value=dev
          labels: |
            org.opencontainers.image.title=seaweedfs
            org.opencontainers.image.description=SeaweedFS is a distributed storage system for blobs, objects, files, and data lake, to store and serve billions of files fast!
            org.opencontainers.image.vendor=Chris Lu

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v4.2.0

      - name: Create BuildKit config
        run: |
          cat > /tmp/buildkitd.toml <<EOF
          [registry."docker.io"]
            mirrors = ["https://mirror.gcr.io"]
          EOF

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4
        with:
          buildkitd-flags: "--debug"
          buildkitd-config: /tmp/buildkitd.toml

      - name: Login to Docker Hub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v4.6.0
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Login to GHCR
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v4.6.0
        with:
          registry: ghcr.io
          username: ${{ secrets.GHCR_USERNAME }}
          password: ${{ secrets.GHCR_TOKEN }}

      - name: Build
        uses: docker/build-push-action@v7
        with:
          context: ./docker
          push: ${{ github.event_name != 'pull_request' }}
          file: ./docker/Dockerfile.go_build
          platforms: linux/amd64, linux/arm64
          tags: ${{ steps.docker_meta.outputs.tags }}
          labels: ${{ steps.docker_meta.outputs.labels }}