release-image.yaml

name: release-image
on:
  push:
    tags:
      - "v*"

    paths-ignore:
      - README.md
      - charts/**
      - manifest/**

permissions:
  contents: read
  packages: write
  id-token: write

jobs:
  push-policy-reporter:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

      - name: Parse Version
        id: params
        run: |
          # Strip git ref prefix from version
          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
          # Strip "v" prefix from tag name
          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
          echo VERSION=$VERSION
          echo "VERSION=$VERSION" >> "$GITHUB_ENV"

      - name: Login to Github Packages
        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.CR_PAT }}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf # v3.2.0

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@c47758b77c9736f4b2ef4073d4d51994fabfe349 #v3.7.1
        id: buildx
        with:
          install: true
          version: latest

      - name: Build image and push to GitHub Container Registry
        uses: docker/build-push-action@48aba3b46d1b1fec4febb7c5d0c644b249a11355 # v6.10.0
        id: push
        with:
          push: true
          platforms: linux/arm64,linux/amd64
          provenance: mode=max
          cache-from: type=registry,ref=ghcr.io/${{github.repository_owner}}/policy-reporter:buildcache
          cache-to: type=registry,ref=ghcr.io/${{github.repository_owner}}/policy-reporter:buildcache,mode=max
          tags: |
            ghcr.io/${{github.repository_owner}}/policy-reporter:${{ env.VERSION }}

      - name: Install Cosign
        uses: sigstore/cosign-installer@dc72c7d5c4d10cd6bcb8cf6e3fd625a9e5e537da # v3.7.0

      - name: Sign image
        shell: bash
        env:
          COSIGN_REPOSITORY: ghcr.io/${{github.repository_owner}}/signatures
        run: |
          set -e
          cosign sign --yes \
            -a "repo=${{ github.repository }}" \
            -a "workflow=${{ github.workflow }}" \
            -a "ref=${{ github.sha }}" \
            ghcr.io/${{github.repository_owner}}/policy-reporter@${{ steps.push.outputs.digest }}

      - name: Set up Go
        uses: actions/setup-go@41dfa10bad2bb2ae585af6ee5bb4d7d973ad74ed # v5.2.0
        with:
          go-version-file: go.mod
          cache-dependency-path: go.sum

      - name: Generate SBOM
        uses: CycloneDX/gh-gomod-generate-sbom@efc74245d6802c8cefd925620515442756c70d8f # v2.0.0
        with:
          version: v1
          args: app -licenses -json -output policy-reporter-bom.cdx.json -main .

      - uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
        with:
          name: policy-reporter-bom-cdx
          path: policy-reporter-bom.cdx.json

      - name: Attach SBOM to image
        shell: bash
        env:
          COSIGN_REPOSITORY: ghcr.io/${{github.repository_owner}}/sbom
        run: |
          cosign attach sbom --sbom ./policy-reporter-bom.cdx.json --type cyclonedx ghcr.io/${{github.repository_owner}}/policy-reporter@${{ steps.push.outputs.digest }}

      - name: Install the crane command
        uses: kubewarden/github-actions/crane-installer@d94509d260ee11a92b4f65bc0acd297feec24d7f # v3.3.5

      - name: Find platform digest
        shell: bash
        run: |
          set -e
          DIGEST_AMD64=$(crane digest \
            --platform "linux/amd64" \
            ghcr.io/${{github.repository_owner}}/policy-reporter@${{ steps.push.outputs.digest }})
          echo "PLATFORM_DIGEST_AMD64=${DIGEST_AMD64}" >> "$GITHUB_ENV"
          DIGEST_ARM64=$(crane digest \
            --platform "linux/arm64" \
            ghcr.io/${{github.repository_owner}}/policy-reporter@${{ steps.push.outputs.digest }})
          echo "PLATFORM_DIGEST_ARM64=${DIGEST_ARM64}" >> "$GITHUB_ENV"

      - name: Find attestation digest
        run: |
          set -e
          DIGEST_AMD64=$(crane manifest ghcr.io/${{github.repository_owner}}/policy-reporter@${{ steps.push.outputs.digest }} \
            | jq '.manifests[] | select(.annotations["vnd.docker.reference.type"]=="attestation-manifest") | select(.annotations["vnd.docker.reference.digest"]=="${{ env.PLATFORM_DIGEST_AMD64 }}") | .digest'
          )
          echo "ATTESTATION_MANIFEST_DIGEST_AMD64=${DIGEST_AMD64}" >> "$GITHUB_ENV"
          DIGEST_ARM64=$(crane manifest ghcr.io/${{github.repository_owner}}/policy-reporter@${{ steps.push.outputs.digest }} \
            | jq '.manifests[] | select(.annotations["vnd.docker.reference.type"]=="attestation-manifest") | select(.annotations["vnd.docker.reference.digest"]=="${{ env.PLATFORM_DIGEST_ARM64 }}") | .digest'
          )
          echo "ATTESTATION_MANIFEST_DIGEST_ARM64=${DIGEST_ARM64}" >> "$GITHUB_ENV"

      - name: Sign attestation manifest
        run: |
          cosign sign --yes \
            -a "repo=${{ github.repository }}" \
            -a "workflow=${{ github.workflow }}" \
            -a "ref=${{ github.sha }}" \
            ghcr.io/${{github.repository_owner}}/policy-reporter@${{ env.ATTESTATION_MANIFEST_DIGEST_AMD64}}

          cosign sign --yes \
            -a "repo=${{ github.repository }}" \
            -a "workflow=${{ github.workflow }}" \
            -a "ref=${{ github.sha }}" \
            ghcr.io/${{github.repository_owner}}/policy-reporter@${{ env.ATTESTATION_MANIFEST_DIGEST_ARM64}}

      - name: Find provenance manifest digest
        run: |
          set -e
          DIGEST_AMD64=$(crane manifest ghcr.io/${{github.repository_owner}}/policy-reporter@${{ env.ATTESTATION_MANIFEST_DIGEST_AMD64}} | \
            jq '.layers[] | select(.annotations["in-toto.io/predicate-type"] == "https://slsa.dev/provenance/v0.2") | .digest')
          echo "PROVENANCE_DIGEST_AMD64=${DIGEST_AMD64}" >> "$GITHUB_ENV"
          DIGEST_ARM64=$(crane manifest ghcr.io/${{github.repository_owner}}/policy-reporter@${{ env.ATTESTATION_MANIFEST_DIGEST_ARM64}} | \
            jq '.layers[] | select(.annotations["in-toto.io/predicate-type"] == "https://slsa.dev/provenance/v0.2") | .digest')
          echo "PROVENANCE_DIGEST_ARM64=${DIGEST_ARM64}" >> "$GITHUB_ENV"

      - name: Sign provenance manifest
        run: |
          cosign sign --yes \
            -a "repo=${{ github.repository }}" \
            -a "workflow=${{ github.workflow }}" \
            -a "ref=${{ github.sha }}" \
          ghcr.io/${{github.repository_owner}}/policy-reporter@${{ env.PROVENANCE_DIGEST_AMD64}}

          cosign sign --yes \
            -a "repo=${{ github.repository }}" \
            -a "workflow=${{ github.workflow }}" \
            -a "ref=${{ github.sha }}" \
          ghcr.io/${{github.repository_owner}}/policy-reporter@${{ env.PROVENANCE_DIGEST_ARM64}}