Add GitHub action workflow for publishing latest spark-operator and kubectl images

.github/workflows/release-latest-images.yaml

@@ -0,0 +1,263 @@
+name: Release Latest Images
+
+on:
+  push:
+    branches:
+      - master
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.actor }}
+  cancel-in-progress: true
+
+env:
+  IMAGE_REGISTRY: ghcr.io
+  OPERATOR_IMAGE_REPOSITORY: ${{ github.repository }}/controller
+  KUBECTL_IMAGE_REPOSITORY: ${{ github.repository }}/kubectl
+  KUBECTL_VERSION: 1.33.2
+
+jobs:
+  build_operator_images:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        platform:
+          - linux/amd64
+          - linux/arm64
+
+    steps:
+      - name: Prepare
+        run: |
+          platform=${{ matrix.platform }}
+          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
+
+      - name: Checkout source code
+        uses: actions/checkout@v5
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.IMAGE_REGISTRY }}/${{ env.OPERATOR_IMAGE_REPOSITORY }}
+          tags: |
+            type=raw,pattern={{version}},value=latest
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.IMAGE_REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push by digest
+        id: build
+        uses: docker/build-push-action@v6
+        with:
+          platforms: ${{ matrix.platform }}
+          labels: ${{ steps.meta.outputs.labels }}
+          outputs: type=image,name=${{ env.IMAGE_REGISTRY }}/${{ env.OPERATOR_IMAGE_REPOSITORY }},push-by-digest=true,name-canonical=true,push=true
+
+      - name: Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+
+      - name: Upload digest
+        uses: actions/upload-artifact@v4
+        with:
+          name: digests-operator-${{ env.PLATFORM_PAIR }}
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+  build_kubectl_images:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        platform:
+          - linux/amd64
+          - linux/arm64
+
+    steps:
+      - name: Prepare
+        run: |
+          platform=${{ matrix.platform }}
+          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
+
+      - name: Checkout source code
+        uses: actions/checkout@v5
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.IMAGE_REGISTRY }}/${{ env.KUBECTL_IMAGE_REPOSITORY }}
+          tags: |
+            type=raw,value=latest
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.IMAGE_REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push by digest
+        id: build
+        uses: docker/build-push-action@v6
+        with:
+          file: docker/Dockerfile.kubectl
+          platforms: ${{ matrix.platform }}
+          build-args: |
+            KUBECTL_VERSION=${{ env.KUBECTL_VERSION }}
+          labels: ${{ steps.meta.outputs.labels }}
+          outputs: type=image,name=${{ env.IMAGE_REGISTRY }}/${{ env.KUBECTL_IMAGE_REPOSITORY }},push-by-digest=true,name-canonical=true,push=true
+
+      - name: Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+
+      - name: Upload digest
+        uses: actions/upload-artifact@v4
+        with:
+          name: digests-kubectl-${{ env.PLATFORM_PAIR }}
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+  release_operator_images:
+    needs:
+      - build_operator_images
+
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout source code
+        uses: actions/checkout@v5
+
+      - name: Read version from VERSION file
+        run: |
+          VERSION=$(cat VERSION)
+          echo "VERSION=${VERSION}" >> $GITHUB_ENV
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.IMAGE_REGISTRY }}/${{ env.OPERATOR_IMAGE_REPOSITORY }}
+          tags: |
+            type=raw,value=latest
+
+      - name: Download digests
+        uses: actions/download-artifact@v5
+        with:
+          path: /tmp/digests
+          pattern: digests-operator-*
+          merge-multiple: true
+
+      - name: Set up Docker buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.IMAGE_REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Create manifest list and push
+        working-directory: /tmp/digests
+        run: |
+          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
+            $(printf '${{ env.IMAGE_REGISTRY }}/${{ env.OPERATOR_IMAGE_REPOSITORY }}@sha256:%s ' *)
+
+      - name: Inspect image
+        run: |
+          docker buildx imagetools inspect ${{ env.IMAGE_REGISTRY }}/${{ env.OPERATOR_IMAGE_REPOSITORY }}:${{ steps.meta.outputs.version }}
+
+  release_kubectl_images:
+    needs:
+      - build_kubectl_images
+
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout source code
+        uses: actions/checkout@v5
+
+      - name: Read version from VERSION file
+        run: |
+          VERSION=$(cat VERSION)
+          echo "VERSION=${VERSION}" >> $GITHUB_ENV
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.IMAGE_REGISTRY }}/${{ env.KUBECTL_IMAGE_REPOSITORY }}
+          tags: |
+            type=raw,value=latest
+
+      - name: Download digests
+        uses: actions/download-artifact@v5
+        with:
+          path: /tmp/digests
+          pattern: digests-kubectl-*
+          merge-multiple: true
+
+      - name: Set up Docker buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.IMAGE_REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Create manifest list and push
+        working-directory: /tmp/digests
+        run: |
+          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
+            $(printf '${{ env.IMAGE_REGISTRY }}/${{ env.KUBECTL_IMAGE_REPOSITORY }}@sha256:%s ' *)
+
+      - name: Inspect image
+        run: |
+          docker buildx imagetools inspect ${{ env.IMAGE_REGISTRY }}/${{ env.KUBECTL_IMAGE_REPOSITORY }}:${{ steps.meta.outputs.version }}