部署Daemonset

修改node-exporter-Daemonset.yaml文件中的信息，然后应用YAML文件

cat > /opt/k8s/node-exporter/node-exporter-Daemonset.yaml <<EOF
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: node-exporter
  labels:
    app: node-exporter
spec:
  selector:
    matchLabels:
      app: node-exporter
  template:
    metadata:
      labels:
        app: node-exporter
    spec:
      hostNetwork: true
      hostPID: true
      containers:
      - name: node-exporter
        image: prom/node-exporter:v1.7.0
        args:
          - '--path.rootfs=/host'
        ports:
        - containerPort: 9100
          hostPort: 9100
          name: http
        volumeMounts:
        - name: rootfs
          mountPath: /host
          readOnly: true
      volumes:
      - name: rootfs
        hostPath:
          path: /
EOF

kubectl apply -f node-exporter-Daemonset.yaml 
kubectl get Daemonset

部署Service

修改node-exporter-Service.yaml文件中的信息，然后应用YAML文件

cat > /opt/k8s/node-exporter/node-exporter-Service.yaml <<EOF
apiVersion: v1
kind: Service
metadata:
  name: node-exporter-service
spec:
  type: NodePort
  ports:
  - port: 9100
    targetPort: 9100
    nodePort: 30010
  selector:
    app: node-exporter
EOF

kubectl apply -f node-exporter-Service.yaml 
kubectl get Service