ci(validate): split by platform

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

.github/workflows/validate.yml

@@ -27,17 +27,52 @@ jobs:
   prepare:
     runs-on: ubuntu-24.04
     outputs:
-      targets: ${{ steps.generate.outputs.targets }}
+      includes: ${{ steps.matrix.outputs.includes }}
     steps:
       -
         name: Checkout
         uses: actions/checkout@v4
       -
-        name: List targets
-        id: generate
-        uses: docker/bake-action/subaction/list-targets@v6
+        name: Matrix
+        id: matrix
+        uses: actions/github-script@v7
         with:
-          target: validate
+          script: |
+            let def = {};
+            await core.group(`Parsing definition`, async () => {
+              const printEnv = Object.assign({}, process.env, {
+                GOLANGCI_LINT_MULTIPLATFORM: process.env.GITHUB_REPOSITORY === 'moby/buildkit' ? '1' : '',
+                ARCHUTIL_MULTIPLATFORM: process.env.GITHUB_REPOSITORY === 'moby/buildkit' ? '1' : ''
+              });
+              const resPrint = await exec.getExecOutput('docker', ['buildx', 'bake', 'validate', '--print'], {
+                ignoreReturnCode: true,
+                env: printEnv
+              });
+              if (resPrint.stderr.length > 0 && resPrint.exitCode != 0) {
+                throw new Error(res.stderr);
+              }
+              def = JSON.parse(resPrint.stdout.trim());
+            });
+            await core.group(`Generating matrix`, async () => {
+              const includes = [];
+              for (const targetName of Object.keys(def.target)) {
+                const target = def.target[targetName];
+                if (target.platforms && target.platforms.length > 0) {
+                  target.platforms.forEach(platform => {
+                    includes.push({
+                      target: targetName,
+                      platform: platform
+                    });
+                  });
+                } else {
+                  includes.push({
+                    target: targetName
+                  });
+                }
+              }
+              core.info(JSON.stringify(includes, null, 2));
+              core.setOutput('includes', JSON.stringify(includes));
+            });
 
   validate:
     runs-on: ubuntu-24.04
@@ -46,14 +81,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        target: ${{ fromJson(needs.prepare.outputs.targets) }}
+        include: ${{ fromJson(needs.prepare.outputs.includes) }}
     steps:
-      -
-        name: Prepare
-        run: |
-          if [ "$GITHUB_REPOSITORY" = "moby/buildkit" ]; then
-            echo "GOLANGCI_LINT_MULTIPLATFORM=1" >> $GITHUB_ENV
-          fi
       -
         name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -66,21 +95,5 @@ jobs:
         uses: docker/bake-action@v6
         with:
           targets: ${{ matrix.target }}
-
-  archutil-arm64:
-    runs-on: ubuntu-24.04-arm
-    steps:
-      -
-        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: Validate
-        uses: docker/bake-action@v6
-        with:
-          targets: validate-archutil
           set: |
-            *.platform=linux/arm64
+            *.platform=${{ matrix.platform }}

docker-bake.hcl

@@ -42,6 +42,10 @@ variable "GOLANGCI_LINT_MULTIPLATFORM" {
   default = null
 }
 
+variable "ARCHUTIL_MULTIPLATFORM" {
+  default = null
+}
+
 # Defines the output folder
 variable "DESTDIR" {
   default = ""
@@ -214,6 +218,10 @@ target "validate-archutil" {
   dockerfile = "./hack/dockerfiles/archutil.Dockerfile"
   target = "validate"
   output = ["type=cacheonly"]
+  platforms = ARCHUTIL_MULTIPLATFORM != null ? [
+    "linux/amd64",
+    "linux/arm64"
+  ] : []
 }
 
 target "validate-shfmt" {