Add workflow to validate UBI images pass RedHat Certification

.github/workflows/build.yml

@@ -25,6 +25,9 @@ on:
         required: false
         type: string
         default: 'ubuntu-24.04'
+    outputs:
+      image_version:
+        value: ${{ jobs.build.outputs.image_version }}
 
 defaults:
   run:
@@ -41,6 +44,8 @@ jobs:
       packages: write # for docker/build-push-action to push to GHCR
       id-token: write # for docker/login to login to NGINX registry
     runs-on: ${{ inputs.runner }}
+    outputs:
+      image_version: ${{ steps.meta.outputs.version }}
     services:
       registry:
         image: registry:3

.github/workflows/ci.yml

@@ -359,7 +359,7 @@
       platforms: ${{ matrix.platforms }}
       build-os: ${{ matrix.build-os }}
       tag: ${{ inputs.release_version || '' }}
-      dry_run: ${{ inputs.dry_run || false}}
+      dry_run: ${{ inputs.dry_run || false }}
       runner: ${{ github.repository_owner == 'nginx' && (inputs.is_production_release || (github.event_name == 'push' && github.ref == 'refs/heads/main')) && 'ubuntu-24.04-amd64' || 'ubuntu-24.04' }}
     permissions:
       contents: read # for docker/build-push-action to read repo content
@@ -407,6 +407,27 @@
       id-token: write # for docker/login to login to NGINX registry
     secrets: inherit
 
+  openshift-certification:
+    name: OpenShift Certification
+    needs: [build-oss, build-operator]
+    strategy:
+      fail-fast: false
+      matrix:
+        image: [ngf, nginx, operator]
+        platform: ["amd64", "arm64"]
+    if: ${{ github.event_name != 'pull_request' && github.event_pull_request.base.ref == 'main' || (github.event_name == 'push' && github.ref == 'refs/heads/main') || (inputs.is_production_release == true) }}
+    uses: ./.github/workflows/openshift-certification.yml
+    with:
+      image: ${{ matrix.image }}
+      platform: ${{ matrix.platform }}
+      tag: ${{ inputs.release_version || '' }}
+      dry_run: ${{ inputs.dry_run || false }}
+      image_version: ${{ (matrix.image == 'ngf' && endsWith(needs.build-oss.outputs.image_version, '-ubi')) && needs.build-oss.outputs.image_version || (matrix.image == 'nginx' && endsWith(needs.build-oss.outputs.image_version, '-ubi')) && needs.build-oss.outputs.image_version || (matrix.image == 'operator' && needs.build-operator.outputs.image_version) }}
+    permissions:
+      contents: read
+      packages: read
+    secrets: inherit
+
   functional-tests:
     name: Functional tests
     needs: [vars, build-oss, build-plus]

.github/workflows/openshift-certification.yml

@@ -0,0 +1,73 @@
+name: OpenShift Certification
+
+on:
+  workflow_call:
+    inputs:
+      image:
+        required: true
+        type: string
+      platform:
+        required: true
+        type: string
+      image_version:
+        required: true
+        type: string
+      tag:
+        required: false
+        type: string
+        default: ''
+      dry_run:
+        required: false
+        type: boolean
+        default: false
+
+defaults:
+  run:
+    shell: bash
+
+permissions:
+  contents: read
+
+jobs:
+  preflight:
+    runs-on: ubuntu-24.04
+    steps:
+    - name: Checkout Repository
+      uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      with:
+        ref: ${{ (inputs.tag != '' && !inputs.dry_run ) && format('refs/tags/v{0}', inputs.tag) || github.ref }}
+
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
+      if: ${{ github.event_name != 'pull_request' && ! contains(inputs.image, 'plus') }}
+      with:
+        registry: ghcr.io
+        username: ${{ github.repository_owner }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Download preflight binary
+      run: |
+        curl -LO https://github.com/redhat-openshift-ecosystem/openshift-preflight/releases/latest/download/preflight-linux-amd64
+        chmod +x preflight-linux-amd64
+        sudo mv preflight-linux-amd64 /usr/local/bin/preflight
+
+    - name: Run preflight
+      env:
+        PYXIS_API_TOKEN: ${{ secrets.PYXIS_API_TOKEN }}
+      run: |
+        if [[ "${{ inputs.image }}" == "ngf" ]]; then
+        IMAGE_PATH="ghcr.io/${{ github.repository_owner }}/nginx-gateway-fabric:${{ inputs.image_version }}"
+        else
+        IMAGE_PATH="ghcr.io/${{ github.repository_owner }}/nginx-gateway-fabric/${{ inputs.image }}:${{ inputs.image_version }}"
+        fi
+        preflight check container "$IMAGE_PATH" --platform ${{ inputs.platform }} > preflight-result.json
+
+    - name: Check preflight results
+      run: |
+        failed_count=$(jq '.results.failed | length' preflight-result.json)
+        if [ "$failed_count" -ne 0 ]; then
+        echo "Preflight checks failed: $failed_count failed checks"
+        echo "Results for preflight-result.json:"
+        jq '.results.failed' preflight-result.json
+        exit 1
+        fi