Build KinD node image for ARM64

Runs on Equinix c3.large.arm64

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>

Author: stefanprodan

.github/workflows/build-kind.yaml

@@ -52,3 +52,43 @@ jobs:
         run: |
           docker tag kindest/node:latest ghcr.io/fluxcd/kindest/node:${{ steps.prep.outputs.VERSION }}-amd64
           docker push ghcr.io/fluxcd/kindest/node:${{ steps.prep.outputs.VERSION }}-amd64
+  k8s-node-arm64:
+    # Hosted on Equinix
+    # Docs: https://github.com/fluxcd/flux2/tree/main/.github/runners
+    runs-on: [self-hosted, Linux, ARM64, equinix]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Prepare
+        id: prep
+        run: |
+          VERSION="${{ github.event.inputs.version }}"
+          if [[ -z "$VERSION" ]]; then
+            VERSION="v1.27.13"
+          fi
+          echo "BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
+          echo "VERSION=${VERSION}" >> $GITHUB_OUTPUT
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 1.22.x
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          repository: kubernetes/kubernetes
+          ref: ${{ steps.prep.outputs.VERSION }}
+          path: kubernetes
+      - name: Build node image
+        run: |
+          cd $GITHUB_WORKSPACE/kubernetes
+          kind build node-image
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: fluxcdbot
+          password: ${{ secrets.GHCR_TOKEN }}
+      - name: Push node image
+        run: |
+          docker tag kindest/node:latest ghcr.io/fluxcd/kindest/node:${{ steps.prep.outputs.VERSION }}-arm64
+          docker push ghcr.io/fluxcd/kindest/node:${{ steps.prep.outputs.VERSION }}-arm64