image-build.yml

name: afxdp-dp-image-build

on:
  push:
    branches: [main]
    tags:
      - v*

  pull_request:
    paths: [.github/workflows/image-build.yaml]

jobs:
  build-and-push-images:
    permissions:
      contents: read
      packages: write
      id-token: write # needed for signing the images with GitHub OIDC Token

    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        image:
          - registry: quay.io
            build_language: go
            repository: afxdp-device-plugin
            image: afxdp-device-plugin
            dockerfile: ./images/amd64.dockerfile
            context: .
            tags: |
              type=ref,event=branch
              type=ref,event=tag
              type=ref,event=pr
              type=sha,format=long
              # set latest tag for default branch
              type=raw,value=latest,enable={{is_default_branch}}


    name: Build Image (${{ matrix.image.image }})
    steps:
      - uses: actions/checkout@v4

      - uses: sigstore/cosign-installer@v3.5.0

      - name: Login to quay.io/afxdp-plugins-for-kubernetes
        uses: redhat-actions/podman-login@v1
        if: ${{ github.event_name == 'push' && matrix.image.repository == 'afxdp-device-plugin'}}
        with:
          registry: ${{ matrix.image.registry }}
          username: ${{ secrets.QUAY_USERNAME }}
          password: ${{ secrets.QUAY_ROBOT_TOKEN }}

      - name: Build image
        id: build-image
        uses: redhat-actions/buildah-build@v2
        with:
          image: ${{ matrix.image.image }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          containerfiles: ${{ matrix.image.dockerfile }}
          build-args: ${{ matrix.image.build_args }}
          context: ${{ matrix.image.context }}

      - name: Push to registry
        id: push-image
        uses: redhat-actions/push-to-registry@v2
        if: ${{ github.event_name == 'push' }}
        with:
          tags: ${{ steps.meta.outputs.tags }}

      - name: Sign the images with GitHub OIDC Token
        if: ${{ github.event_name == 'push' }}
        run: |
          readarray -t tags <<<"${{ steps.meta.outputs.tags }}"
          for tag in ${tags[@]}; do
            cosign sign -y "${tag}@${{ steps.push-image.outputs.digest }}"
          done