dep_build_wasm_examples.yml

# yaml-language-server: $schema=https://json.schemastore.org/github-workflow.json
# See README.md in this directory for more information about workflow_call

name: Build Wasm Examples

on:
  workflow_call:
    inputs:
        docs_only:
          description: Skip building if docs only
          required: false
          type: string
          default: "false"

permissions:
  packages: write
  contents: read

jobs:
    build-wasm-examples:
      if: ${{ inputs.docs_only == 'false' }}
      runs-on: ubuntu-latest
      steps:
        - uses: actions/checkout@v4
          with:
            fetch-depth: 0
        - name: Remove default clang
          run: sudo rm /usr/bin/clang
        - name: Hyperlight setup workflow
          uses: hyperlight-dev/ci-setup-workflow@v1.3.0
          with:
            rust-toolchain: "1.82.0"
        - name: Set up Docker Buildx
          uses: docker/setup-buildx-action@v3
        - name: Login to Registry
          uses: docker/login-action@v3
          with:
            registry: ghcr.io
            username: ${{ github.actor }}
            password: ${{ secrets.GITHUB_TOKEN }}
        - name: Pull wasm-clang-builder
          continue-on-error: true
          run: |
                docker pull ghcr.io/${{ github.repository_owner }}/wasm-clang-builder:latest
        - name: Set up Docker image metadata
          id: meta
          uses: docker/metadata-action@v5
          with:
            images: ${{ github.repository_owner }}/wasm-clang-builder
        - name: Build and push wasm-clang-builder
        # depedabot does not have push access to update the wasm-clang-builder image
          if: github.actor != 'dependabot[bot]'
          uses: docker/build-push-action@v6
          with:
            context: src/wasmsamples
            file: src/wasmsamples/dockerfile
            load: true
            push: true
            build-args: |
              WASI_SDK_VERSION_FULL=20.0
              GCC_VERSION=12
            tags: ghcr.io/${{ github.repository_owner }}/wasm-clang-builder:latest
            cache-from: type=registry,ref=ghcr.io/${{ github.repository_owner }}/wasm-clang-builder:buildcache
            cache-to: type=registry,ref=ghcr.io/${{ github.repository_owner }}/wasm-clang-builder:buildcache,mode=max
        - name: Build Modules
          run: |
              for FILENAME in $(find . -name '*.c')
              do
                  echo Building ${FILENAME}
                  docker run --rm -i -v "${PWD}:/tmp/host" ghcr.io/${{ github.repository_owner }}/wasm-clang-builder:latest /opt/wasi-sdk/bin/clang -flto -ffunction-sections -mexec-model=reactor -O3 -z stack-size=4096 -Wl,--initial-memory=65536 -Wl,--export=__data_end -Wl,--export=__heap_base,--export=malloc,--export=free,--export=__wasm_call_ctors -Wl,--strip-all,--no-entry -Wl,--allow-undefined -Wl,--gc-sections  -o /tmp/host/${FILENAME%.*}-wasi-libc.wasm /tmp/host/${FILENAME}
                  cargo run -p hyperlight-wasm-aot compile ${FILENAME%.*}-wasi-libc.wasm ${FILENAME%.*}.aot
                  cp ${FILENAME%.*}.aot ${FILENAME%.*}.wasm
              done
          shell: bash
          working-directory:  src/wasmsamples
        - name: Upload Wasm Modules
          uses: actions/upload-artifact@v4
          with:
            name: guest-modules
            path: | 
              src/wasmsamples/*.wasm
              src/wasmsamples/*.aot