From 84e136bbab4b5b24a0fb8c512b0ee6b11f9de281 Mon Sep 17 00:00:00 2001
From: KevFan <chfan@redhat.com>
Date: Wed, 18 Oct 2023 14:57:39 +0100
Subject: [PATCH] workflow: push by digest

---
 .github/workflows/build-image.yaml | 63 +++++++++++++++++++++++++++---
 .github/workflows/e2e.yaml         |  4 +-
 2 files changed, 60 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/build-image.yaml b/.github/workflows/build-image.yaml
index e751286d..b00fe8cd 100644
--- a/.github/workflows/build-image.yaml
+++ b/.github/workflows/build-image.yaml
@@ -52,15 +52,30 @@ jobs:
         uses: docker/build-push-action@v5
         with:
           context: .
+          platforms: ${{ matrix.platform }}
           tags: ${{ steps.meta.outputs.tags }}
-#          build-args: |
-#            GITHUB_SHA=${{ github.sha }}
-          cache-from: type=gha,scope=${{ matrix.platform == 'linux/amd64' && 'build-amd' || 'build-arm'}}
-          cache-to: type=gha,mode=max,scope=${{ matrix.platform == 'linux/amd64' && 'build-amd' || 'build-arm'}}
-          load: true
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            GITHUB_SHA=${{ github.sha }}
+#          cache-from: type=gha,scope=${{ matrix.platform == 'linux/amd64' && 'build-amd' || 'build-arm'}}
+#          cache-to: type=gha,mode=max,scope=${{ matrix.platform == 'linux/amd64' && 'build-amd' || 'build-arm'}}
+#          outputs: type=image,name=${{ env.IMG_REGISTRY_HOST}}/${{ env.IMG_REGISTRY_ORG }}/limitador,push-by-digest=true,name-canonical=true,push=true
+          push: true
       - name: Smoke Test
         run: |
           docker run --rm -t ${{ env.IMG_REGISTRY_HOST}}/${{ env.IMG_REGISTRY_ORG }}/limitador:${{ github.sha }} limitador-server --help
+      - name: Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+      - name: Upload digest
+        uses: actions/upload-artifact@v3
+        with:
+          name: digests
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
 #      - name: Push Image
 #        if: ${{ !env.ACT }}
 #        id: push-to-quay
@@ -74,3 +89,41 @@ jobs:
 #      - name: Print Image URL
 #        run: |
 #          echo "Image pushed to ${{ steps.push-to-quay.outputs.registry-paths }}"
+  merge:
+    runs-on: ubuntu-latest
+    needs:
+      - build
+    steps:
+      - name: Download digests
+        uses: actions/download-artifact@v3
+        with:
+          name: digests
+          path: /tmp/digests
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ${{ env.IMG_REGISTRY_HOST}}/${{ env.IMG_REGISTRY_ORG }}/limitador
+          tags: |
+            type=raw,value=${{ github.sha }}
+            # set latest tag for main branch
+            type=raw,value=latest,enable=${{ github.ref_name == env.MAIN_BRANCH_NAME }}
+            # set branch name tag for non-main branches
+            type=raw,value=${{ github.ref_name }},enable=${{ github.ref_name != env.MAIN_BRANCH_NAME }}
+      - name: Login to container registry
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.IMG_REGISTRY_USERNAME }}
+          password: ${{ secrets.IMG_REGISTRY_TOKEN }}
+          registry: ${{ env.IMG_REGISTRY_HOST }}
+      - 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.IMG_REGISTRY_HOST}}/${{ env.IMG_REGISTRY_ORG }}/limitador@sha256:%s ' *)
+      - name: Inspect image
+        run: |
+          docker buildx imagetools inspect ${{ env.IMG_REGISTRY_HOST}}/${{ env.IMG_REGISTRY_ORG }}/limitador:${{ steps.meta.outputs.version }}
\ No newline at end of file
diff --git a/.github/workflows/e2e.yaml b/.github/workflows/e2e.yaml
index cd276d51..83af14a6 100644
--- a/.github/workflows/e2e.yaml
+++ b/.github/workflows/e2e.yaml
@@ -30,8 +30,8 @@ jobs:
         with:
           context: .
           tags: ${{ steps.meta.outputs.tags }}
-          cache-from: type=gha,scope=e2e
-          cache-to: type=gha,mode=max,scope=e2e
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
           load: true
       - name: Create k8s Kind Cluster
         uses: helm/kind-action@v1.8.0