arm64 metadata.json

Author: NoaheCampbell

.github/workflows/release-prod.yaml

@@ -212,6 +212,12 @@ jobs:
           mkdir -p build
           ./output/bin/embedded-cluster version metadata > build/metadata.json
 
+      - name: Upload binary artifact for metadata generation
+        uses: actions/upload-artifact@v6
+        with:
+          name: embedded-cluster-linux-amd64
+          path: output/bin/embedded-cluster
+
       - name: Cache Staging Files
         env:
           S3_BUCKET: "tf-staging-embedded-cluster-bin"
@@ -247,6 +253,72 @@ jobs:
             build/*.tgz
             build/metadata.json
 
+  generate-metadata:
+    runs-on: ubuntu-latest
+    needs: [get-tag, release]
+    strategy:
+      matrix:
+        arch: [amd64, arm64]
+    steps:
+      - uses: actions/checkout@v5
+
+      - name: Download AMD64 binary
+        uses: actions/download-artifact@v6
+        with:
+          name: embedded-cluster-linux-amd64
+          path: output/bin
+
+      - name: Make binary executable
+        run: chmod +x output/bin/embedded-cluster
+
+      - name: Generate ${{ matrix.arch }} metadata
+        run: |
+          mkdir -p build
+          CLUSTER_ARCH=${{ matrix.arch }} ./output/bin/embedded-cluster version metadata > build/metadata-${{ matrix.arch }}.json
+
+      - name: Upload metadata artifact
+        uses: actions/upload-artifact@v6
+        with:
+          name: metadata-${{ matrix.arch }}
+          path: build/metadata-${{ matrix.arch }}.json
+
+  upload-metadata:
+    runs-on: ubuntu-latest
+    needs: [get-tag, generate-metadata]
+    strategy:
+      matrix:
+        arch: [amd64, arm64]
+    steps:
+      - uses: actions/checkout@v5
+
+      - name: Download metadata
+        uses: actions/download-artifact@v6
+        with:
+          name: metadata-${{ matrix.arch }}
+          path: build
+
+      - name: Upload to S3
+        env:
+          EC_VERSION: ${{ needs.get-tag.outputs.tag-name }}
+          ARCH: ${{ matrix.arch }}
+          S3_BUCKET: "tf-staging-embedded-cluster-bin"
+          AWS_ACCESS_KEY_ID: ${{ secrets.STAGING_EMBEDDED_CLUSTER_UPLOAD_IAM_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.STAGING_EMBEDDED_CLUSTER_UPLOAD_IAM_SECRET }}
+          AWS_REGION: "us-east-1"
+        run: |
+          ./scripts/ci-upload-binaries.sh metadata
+
+      - name: Upload to S3 (Prod)
+        env:
+          EC_VERSION: ${{ needs.get-tag.outputs.tag-name }}
+          ARCH: ${{ matrix.arch }}
+          S3_BUCKET: "tf-embedded-cluster-binaries"
+          AWS_ACCESS_KEY_ID: ${{ secrets.PROD_EMBEDDED_CLUSTER_UPLOAD_IAM_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.PROD_EMBEDDED_CLUSTER_UPLOAD_IAM_SECRET }}
+          AWS_REGION: "us-east-1"
+        run: |
+          ./scripts/ci-upload-binaries.sh metadata
+
   find-previous-stable:
     name: Determine previous stable version
     runs-on: ubuntu-latest

kinds/types/release_metadata.go

@@ -8,6 +8,7 @@ import (
 // ReleaseMetadata holds the metadata about a specific release, including addons and
 // their versions.
 type ReleaseMetadata struct {
+	Architecture string            `json:"architecture"` // "amd64" or "arm64"
 	Versions     map[string]string
 	K0sSHA       string
 	K0sBinaryURL string

pkg-new/metadata/metadata.go

@@ -110,9 +110,10 @@ func GatherVersionMetadata(channelRelease *release.ChannelRelease) (*types.Relea
 	}
 
 	meta := types.ReleaseMetadata{
-		Versions:  versionsMap,
-		K0sSHA:    sha,
-		Artifacts: artifacts,
+		Architecture: helpers.ClusterArch(),
+		Versions:     versionsMap,
+		K0sSHA:       sha,
+		Artifacts:    artifacts,
 	}
 
 	chtconfig, repconfig, err := addons.GenerateChartConfigs(context.Background(), nil)

scripts/ci-upload-binaries.sh

@@ -135,17 +135,23 @@ function kotsbin() {
 
 function metadata() {
     if [ -z "${EC_VERSION}" ]; then
-        echo "EC_VERSION unset, not uploading metadata.json"
+        echo "EC_VERSION unset, not uploading metadata"
         return 0
     fi
 
-    # check if a file 'build/metadata.json' exists in the directory
-    # if it does, upload it as metadata/v${EC_VERSION}.json
-    if [ -f "build/metadata.json" ]; then
-        # append a 'v' prefix to the version if it doesn't already have one
+    # Upload architecture-specific metadata if provided
+    if [ -n "${ARCH}" ] && [ -f "build/metadata-${ARCH}.json" ]; then
+        retry 3 aws s3 cp --no-progress "build/metadata-${ARCH}.json" "s3://${S3_BUCKET}/metadata/v${EC_VERSION#v}-${ARCH}.json"
+
+        # For AMD64, also upload as the default metadata.json for backward compatibility
+        if [ "${ARCH}" == "amd64" ]; then
+            retry 3 aws s3 cp --no-progress "build/metadata-${ARCH}.json" "s3://${S3_BUCKET}/metadata/v${EC_VERSION#v}.json"
+        fi
+    # Fallback to legacy single metadata.json if no ARCH specified
+    elif [ -f "build/metadata.json" ]; then
         retry 3 aws s3 cp --no-progress build/metadata.json "s3://${S3_BUCKET}/metadata/v${EC_VERSION#v}.json"
     else
-        echo "build/metadata.json not found, skipping upload"
+        echo "No metadata file found, skipping upload"
     fi
 }
 
@@ -168,6 +174,11 @@ function embeddedcluster() {
 # there are three files to be uploaded for each release - the k0s binary, the metadata file, and the embedded-cluster release
 # the embedded cluster release does not exist for CI builds
 function main() {
+    # If invoked with "metadata" as the first argument, only upload metadata and exit
+    if [ "${1:-}" == "metadata" ]; then
+        metadata
+        return 0
+    fi
     init_vars
     metadata
     if [ "${UPLOAD_BINARIES}" == "1" ]; then