docker-publish.yml

name: Docker

on:
  push:
    branches: [ "main" ]
    paths:
      - Dockerfile
      - .github/workflows/docker-publish.yml
      - build_container.sh
      - Dockerfile.riscv64
      - riscv64/*
  pull_request:
    branches: [ "main" ]
    paths:
      - Dockerfile
      - .github/workflows/docker-publish.yml
      - build_container.sh
      - Dockerfile.riscv64
      - riscv64/*

jobs:
  build:

    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
      attestations: write
      id-token: write

    steps:
      - name: Check out the repo
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to Docker Hub
        if: ${{ github.event_name != 'pull_request' }}
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_ACCOUNT_ID }}
          password: ${{ secrets.DOCKER_ACCESS_TOKEN }}

      - name: Generate metadata for Docker
        # NOTE: The tag contains the full docker container name + tag as it is requested
        # by the build-and-push step.
        run: |
          REGISTRY=$(./docker.sh print-registry)
          echo "REGISTRY=${REGISTRY}" >> $GITHUB_ENV
          echo "Registry to be published is: ${REGISTRY}"

          IMAGE_NAME=$(./docker.sh print-image-name)
          echo "IMAGE_NAME=${IMAGE_NAME}" >> $GITHUB_ENV
          echo "Image name to be published is: ${IMAGE_NAME}"

          NEXT_VERSION=$(./docker.sh print-next-version)
          echo "VERSION=${NEXT_VERSION}" >> $GITHUB_ENV
          echo "Next version to be published is: ${NEXT_VERSION}"

      - name: Build and push Docker image
        id: build-and-push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: Dockerfile
          push: ${{ github.event_name != 'pull_request' }}
          # This is needed so that a manifest is created, and we can have the same
          # docker container on both x86_64 and arm64.
          platforms: linux/amd64,linux/arm64
          tags: ${{ env.VERSION }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Generate artifact attestation
        if: ${{ github.event_name != 'pull_request' }}
        uses: actions/attest-build-provenance@v1
        with:
          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          subject-digest: ${{ steps.build-and-push.outputs.digest }}
          push-to-registry: true

  build-riscv:

    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
      attestations: write
      id-token: write

    steps:
      - name: Check out the repo
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to Docker Hub
        if: ${{ github.event_name != 'pull_request' }}
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_ACCOUNT_ID }}
          password: ${{ secrets.DOCKER_ACCESS_TOKEN }}

      - name: Generate metadata for Docker
        run: |
          REGISTRY=$(./docker.sh print-registry)
          echo "REGISTRY=${REGISTRY}" >> $GITHUB_ENV
          echo "Registry to be published is: ${REGISTRY}"

          IMAGE_NAME=$(./docker.sh print-image-name)
          echo "IMAGE_NAME=${IMAGE_NAME}" >> $GITHUB_ENV
          echo "Image name to be published is: ${IMAGE_NAME}"

          NEXT_VERSION=$(./docker.sh print-next-version)
          echo "VERSION=${NEXT_VERSION}" >> $GITHUB_ENV
          echo "Next version to be published is: ${NEXT_VERSION}"

      - name: Build RISC-V rootfs
        id: build-riscv-rootfs
        uses: docker/build-push-action@v6
        with:
          context: .
          file: Dockerfile.riscv64_rootfs
          push: false
          load: true
          platforms: linux/amd64
          tags: rootfs
          cache-from: type=gha
          cache-to: type=gha,mode=max
      
      - name: Convert rootfs to raw image
        run: |
          mkdir /opt/rootfs
          cat ./riscv64/rootfs_finalize.sh
          docker run --privileged --volume ./riscv64/rootfs_finalize.sh:/rootfs_finalize.sh --volume /opt/rootfs:/rootfs ubuntu:22.04 /rootfs_finalize.sh