dockerfile: smoke tests for binaries

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

.github/workflows/buildkit.yml

@@ -135,6 +135,51 @@ jobs:
           path: ${{ env.DESTDIR }}/*
           if-no-files-found: error
 
+  prepare-smoketest:
+    runs-on: ubuntu-20.04
+    outputs:
+      matrix: ${{ steps.platforms.outputs.matrix }}
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+      -
+        name: Create matrix
+        id: platforms
+        run: |
+          matrix="$(docker buildx bake binaries-smoketest-cross --print | jq -cr '.target."binaries-smoketest-cross".platforms')"
+          echo "matrix=$matrix" >> $GITHUB_OUTPUT
+
+  smoketest:
+    runs-on: ubuntu-20.04
+    needs:
+      - prepare-smoketest
+    strategy:
+      fail-fast: false
+      matrix:
+        platform: ${{ fromJson(needs.prepare-smoketest.outputs.matrix) }}
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          version: ${{ env.SETUP_BUILDX_VERSION }}
+          driver-opts: image=${{ env.SETUP_BUILDKIT_IMAGE }}
+          buildkitd-flags: --debug
+      -
+        name: Test
+        uses: docker/bake-action@v4
+        with:
+          targets: binaries-smoketest
+          set: |
+            *.platform=${{ matrix.platform }}
+
   image:
     runs-on: ubuntu-22.04
     needs:

Dockerfile

@@ -346,5 +346,14 @@ ENV BUILDKIT_HOST=unix:///run/user/1000/buildkit/buildkitd.sock
 VOLUME /home/user/.local/share/buildkit
 ENTRYPOINT ["rootlesskit", "buildkitd"]
 
+# smoke tests
+FROM --platform=$TARGETPLATFORM buildkit-export AS binaries-smoketest
+WORKDIR /usr/local/bin
+RUN apk add --no-cache file
+COPY --from=binaries / .
+RUN set -ex; file buildkitd && buildkitd --version
+RUN set -ex; file buildkit-runc && buildkit-runc --version
+RUN set -ex; file buildctl && buildctl --version
+
 # buildkit builds the buildkit container image
 FROM buildkit-$TARGETOS${BUILDKIT_DEBUG:+-debug} AS buildkit

docker-bake.hcl

@@ -90,6 +90,24 @@ target "binaries-cross" {
   ]
 }
 
+target "binaries-smoketest" {
+  inherits = ["_common"]
+  target = "binaries-smoketest"
+  output = ["type=cacheonly"]
+}
+
+target "binaries-smoketest-cross" {
+  inherits = ["binaries-smoketest"]
+  platforms = [
+    "linux/amd64",
+    "linux/arm/v7",
+    "linux/arm64",
+    "linux/s390x",
+    "linux/ppc64le",
+    "linux/riscv64"
+  ]
+}
+
 target "release" {
   inherits = ["binaries-cross"]
   target = "release"