docker-image-scan.yml

name: SCA Docker Test

on:
  pull_request:
    branches:
    - main
  push:
    branches:
    - main
    tags:
    - '*'
  workflow_dispatch: {}

jobs:
  test-scan-docker-image:
    permissions:
      contents: write # publish sbom to GH releases/tag assets
      issues: read
      checks: write
      pull-requests: write
    if: ${{ github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository }}
    name: Test Scan Docker Image
    runs-on: ubuntu-22.04
    env:
      IMAGE: kong/kong-gateway-dev:latest #particular reason for the choice of image: test multi arch image sbom
    steps:
    - uses: actions/checkout@v4

    - name: Install regctl
      uses: regclient/actions/regctl-installer@main

    - name: Login to DockerHub
      if: success()
      uses: docker/login-action@v3
      with:
        username: ${{ secrets.GHA_DOCKERHUB_PULL_USER }}
        password: ${{ secrets.GHA_KONG_ORG_DOCKERHUB_PUBLIC_TOKEN }}

    - name: Parse Architecture Specific Image Manifest Digests
      id: image_manifest_metadata
      run: |
        manifest_list_exists="$(
          if regctl manifest get "${IMAGE}" --format raw-body --require-list -v panic &> /dev/null; then
            echo true
          else
            echo false
          fi
        )"
        echo "manifest_list_exists=$manifest_list_exists"
        echo "manifest_list_exists=$manifest_list_exists" >> $GITHUB_OUTPUT

        amd64_sha="$(regctl image digest "${IMAGE}" --platform linux/amd64 || echo '')"
        arm64_sha="$(regctl image digest "${IMAGE}" --platform linux/arm64 || echo '')"
        echo "amd64_sha=$amd64_sha"
        echo "amd64_sha=$amd64_sha" >> $GITHUB_OUTPUT
        echo "arm64_sha=$arm64_sha"
        echo "arm64_sha=$arm64_sha" >> $GITHUB_OUTPUT

    - name: Scan AMD64 Image digest
      id: sbom_action_amd64
      if: steps.image_manifest_metadata.outputs.amd64_sha != ''
      uses: ./security-actions/scan-docker-image
      with:
        asset_prefix: kong-gateway-dev-linux-amd64
        image: ${{env.IMAGE}}@${{ steps.image_manifest_metadata.outputs.amd64_sha }}
        skip_cis_scan: true

    - name: Scan ARM64 Image digest
      if: steps.image_manifest_metadata.outputs.manifest_list_exists == 'true' && steps.image_manifest_metadata.outputs.arm64_sha != ''
      id: sbom_action_arm64
      uses: ./security-actions/scan-docker-image
      with:
        asset_prefix: test.kong-gateway-dev-linux-arm64
        image: ${{env.IMAGE}}@${{ steps.image_manifest_metadata.outputs.arm64_sha }}
        upload-sbom-release-assets: true
        skip_cis_scan: true

  test-download-sbom:
    if: ${{ github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository }}
    name: Download SBOM
    runs-on: ubuntu-22.04
    needs: [test-scan-docker-image]
    env:
      SBOM_DOWNLOAD_PATH: ${{ github.workspace }}/security-assets/sboms
      SPDX_SBOM_PATTERN: "*sbom.spdx.json"
      CYCLONEDX_SBOM_PATTERN: "*sbom.cyclonedx.json"
      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - name: "Download all SBOM assets"
        id: collect_sbom
        if: ${{ needs.test-scan-docker-image.result == 'success' }}
        run: |-
          gh run download ${{ github.run_id }} -D ${{ env.SBOM_DOWNLOAD_PATH }} -p '${{ env.CYCLONEDX_SBOM_PATTERN }}' -p '${{ env.SPDX_SBOM_PATTERN }}' --repo ${{ github.repository }}
      - name: Inspect download assets
        run: |
          ls -alR ${{ github.workspace }}/security-assets/sboms