build-participation.yml

name: build-participation

on:
  push:
    branches:
      - 'main'
      - 'v[0-9]*'
    tags:
      - 'v*'
      - 'mainnet'
      - 'betanet'
      - 'testnet'
      - 'testnet-v1.0'
      - 'testnet-v1.1'
  pull_request:
  workflow_dispatch:

env:
  REGISTRY_IMAGE: ghcr.io/voinetwork/voi-node-participation

jobs:
  prepare:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.platforms.outputs.matrix }}
      registry_image: ${{ steps.registry_image.outputs.registry_image }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Create matrix
        id: platforms
        run: |
          echo "matrix=$(docker buildx bake -f ./bake.hcl participation-image-all --print | jq -cr '.target."participation-image-all".platforms')" >>${GITHUB_OUTPUT}

      - name: Show matrix
        run: |
          echo ${{ steps.platforms.outputs.matrix }}

      - name: Set Git Tag as Environment Variable
        id: git_tag
        run: echo "GIT_TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV

      - name: Set Registry Image Based on Tag
        if: startsWith(env.GIT_TAG, 'mainnet') || startsWith(env.GIT_TAG, 'betanet') || startsWith(env.GIT_TAG, 'testnet')
        run: |
          echo "REGISTRY_IMAGE=${{ env.REGISTRY_IMAGE }}-${{ env.GIT_TAG }}" >> $GITHUB_ENV

      - name: Set registry_image output
        id: registry_image
        run: echo "registry_image=${{ env.REGISTRY_IMAGE }}" >> $GITHUB_OUTPUT

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY_IMAGE }}
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}
            type=semver,pattern={{version}}
            type=ref,event=pr
            type=raw,value=latest,enable=${{ startsWith(env.GIT_TAG, 'mainnet') || startsWith(env.GIT_TAG, 'betanet') || startsWith(env.GIT_TAG, 'testnet') }}

      - name: Rename meta bake definition file
        run: |
          mv "${{ steps.meta.outputs.bake-file }}" "/tmp/bake-meta.json"

      - name: Upload meta bake definition
        uses: actions/upload-artifact@v4
        with:
          name: bake-meta
          path: /tmp/bake-meta.json
          if-no-files-found: error
          retention-days: 1

  build:
    runs-on: ubuntu-latest
    needs:
      - prepare
    strategy:
      fail-fast: false
      matrix:
        platform: ${{ fromJson(needs.prepare.outputs.matrix) }}
    steps:
      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_TOKEN }}

      - name: Prepare
        run: |
          platform=${{ matrix.platform }}
          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV

      - name: Checkout
        uses: actions/checkout@v4

      - name: Download meta bake definition
        uses: actions/download-artifact@v4
        with:
          name: bake-meta
          path: /tmp

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - name: Log in to the Container registry
        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build
        id: bake
        uses: docker/bake-action@v5
        with:
          files: |
            ./bake.hcl
            /tmp/bake-meta.json
          targets: participation-image
          set: |
            *.tags=
            *.platform=${{ matrix.platform }}
            *.output=type=image,"name=${{ needs.prepare.outputs.registry_image }}",push-by-digest=true,name-canonical=true,push=true

      - name: Export digest
        run: |
          mkdir -p /tmp/digests
          digest="${{ fromJSON(steps.bake.outputs.metadata).participation-image['containerimage.digest'] }}"
          touch "/tmp/digests/${digest#sha256:}"

      - name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digests-${{ env.PLATFORM_PAIR }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  merge:
    runs-on: ubuntu-latest
    needs:
      - build
      - prepare
    steps:
      - name: Prepare
        run: |
          platform=${{ matrix.platform }}
          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV

      - name: Download meta bake definition
        uses: actions/download-artifact@v4
        with:
          name: bake-meta
          path: /tmp

      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: /tmp/digests
          pattern: digests-*
          merge-multiple: true

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

      - name: Log in to the Container registry
        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Create manifest list and push
        working-directory: /tmp/digests
        run: |
          docker buildx imagetools create $(jq -cr '.target."docker-metadata-action".tags | map(select(startswith("${{ needs.prepare.outputs.registry_image }}")) | "-t " + .) | join(" ")' /tmp/bake-meta.json) \
            $(printf '${{ needs.prepare.outputs.registry_image }}@sha256:%s ' *)

      - name: Inspect image
        run: |
          docker buildx imagetools inspect ${{ needs.prepare.outputs.registry_image }}:$(jq -r '.target."docker-metadata-action".args.DOCKER_META_VERSION' /tmp/bake-meta.json)