From d4405699c9f5925725ad67f0054a31fb90d9323f Mon Sep 17 00:00:00 2001
From: Aljoscha Poertner <aljoscha.poertner@proton.me>
Date: Fri, 13 Oct 2023 11:39:00 +0200
Subject: [PATCH] ci: build nightly for amd64 and arm64

Signed-off-by: Aljoscha Poertner <aljoscha.poertner@proton.me>
---
 .github/workflows/build.yml | 83 ++++++++++++++++++++++++++++++++-----
 1 file changed, 73 insertions(+), 10 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1cd98a3..2cd0790 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -45,6 +45,12 @@ jobs:
     name: Build a nightly version of runo
     runs-on: ubuntu-latest
     needs: coverage
+    strategy:
+      fail-fast: false
+      matrix:
+        recipe:
+          - { target: aarch64-unknown-linux-gnu, platform: linux/arm64 }
+          - { target: x86_64-unknown-linux-gnu, platform: linux/amd64 }
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -52,21 +58,29 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
+          target: ${{ matrix.recipe.target }}
           override: true
-      - name: Build binary
-        run: cargo build
-      - name: Compress binary
-        run: zip target/debug/runo.zip target/debug/runo
+      - uses: actions-rs/cargo@v1
+        with:
+          use-cross: true
+          command: build
+          args: --target ${{ matrix.recipe.target }}
       - name: Archive artifacts
         uses: actions/upload-artifact@v3
         with:
-          name: binary
-          path: target/debug/runo.zip
-          retention-days: 30
+          name: ${{ matrix.recipe.target }}
+          path: target/${{ matrix.recipe.target }}/debug/runo
+          retention-days: 5
   image:
     name: Build and push image
     runs-on: ubuntu-latest
-    needs: coverage
+    needs: build
+    strategy:
+      fail-fast: false
+      matrix:
+        recipe:
+          - { target: aarch64-unknown-linux-gnu, platform: linux/arm64 }
+          - { target: x86_64-unknown-linux-gnu, platform: linux/amd64 }
     permissions:
       contents: read
       packages: write
@@ -76,6 +90,10 @@ jobs:
       - name: Debug
         run: |
           echo "github.ref -> {{ github.ref }}"
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
       - name: Log in to the Container registry
         uses: docker/login-action@v3
         with:
@@ -89,11 +107,56 @@ jobs:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |
             type=raw,value={{sha}}
+      - name: Download a single artifact
+        uses: actions/download-artifact@v3
+        with:
+          name: ${{ matrix.recipe.target }}
       - name: Build and push image
+        id: build
         uses: docker/build-push-action@v5
         with:
           context: .
-          push: true
-          tags: ${{ steps.metadata.outputs.tags }}
+          platforms: ${{ matrix.recipe.platform }}
           labels: ${{ steps.metadata.outputs.labels }}
+          outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
+      - name: Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}" 
+      - name: Upload digest
+        uses: actions/upload-artifact@v3
+        with:
+          name: digests
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+  merge:
+    runs-on: ubuntu-latest
+    needs:
+      - image
+    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: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.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.REGISTRY }}/${{ env.IMAGE_NAME }}@sha256:%s ' *)