Add k8s deploy.yaml and support docker images

Author: xiaozongyang

Dockerfile

@@ -1,11 +1,21 @@
-FROM golang:1.24.0 as builder
+FROM --platform=$BUILDPLATFORM golang:1.24.0 as builder
 
-WORKDIR /workspace
+WORKDIR /app
 ENV GOPROXY=https://goproxy.cn,direct
 
+COPY go.mod go.sum ./
+RUN go mod download
+
 COPY . .
 
-#### Build
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build .
 
-CMD ["/workspace/kube-node-metrics"]
+ARG TARGETARCH
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=$TARGETARCH go build -o kube-node-metrics .
+
+FROM scratch
+WORKDIR /
+COPY --from=builder /app/kube-node-metrics .
+
+EXPOSE 19191
+
+CMD ["/kube-node-metrics"]

Makefile

@@ -0,0 +1,16 @@
+.PHONY:
+build:
+	go fmt ./...
+	go mod tidy
+	go vet ./...
+	go build .
+
+.PHONY:
+build-docker:
+	docker buildx build --platform linux/amd64,linux/arm64 \
+		-t xiaozongyang/kube-node-metrics:latest \
+		--push .
+
+.PHONY:
+clean:
+	rm kube-node-metrics

deploy.yaml

@@ -0,0 +1,82 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: kube-node-metrics
+  namespace: default
+
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: kube-node-metrics
+rules:
+- apiGroups: [""]
+  resources: ["nodes"]
+  verbs: ["list", "watch"]
+- apiGroups: [""]
+  resources: ["pods"]
+  verbs: ["list", "watch"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: kube-node-metrics
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: kube-node-metrics
+subjects:
+- kind: ServiceAccount
+  name: kube-node-metrics
+  namespace: default
+
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: kube-node-metrics
+  namespace: default
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: kube-node-metrics
+  template:
+    metadata:
+      labels:
+        app: kube-node-metrics
+    spec:
+      serviceAccountName: kube-node-metrics
+      containers:
+      - name: kubep-node-metrics
+        image: docker.io/xiaozongyang/kube-node-metrics:latest
+        env:
+          - name: FULL_SYNC_INTERVAL
+            value: "2m"
+        ports:
+        - containerPort: 19191
+          name: metrics
+        resources:
+          limits:
+            memory: "2Gi"
+            cpu: "2000m"
+          requests:
+            memory: "64Mi"
+            cpu: "50m"
+      tolerations:
+      - operator: Exists
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: kube-node-metrics
+  namespace: default
+  labels:
+    app: kube-node-metrics
+spec:
+  selector:
+    app: kube-node-metrics
+  ports:
+  - port: 19191
+    targetPort: 19191
+    name: metrics