mon-exporter-node.yml

apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: prometheus-node-exporter
  namespace: <namespace>
  labels:
    app: monitor
    name: prometheus-node-exporter
spec:
  selector: 
    matchLabels:
      name: prometheus-node-exporter
  updateStrategy:
    type: OnDelete
  template:
    metadata:
      labels:
        name: prometheus-node-exporter
    spec:
      tolerations:
        - key: node-role.kubernetes.io/master
          effect: NoSchedule
      priorityClassName: class-monitor
      containers:
        - name: prometheus-node-exporter
          image: prom/node-exporter:v0.18.1
          imagePullPolicy: Always
          args:
            - --path.procfs=/host/proc
            - --path.sysfs=/host/sys
          resources:
            requests:
              memory: <minMem>
              cpu: <minCpu>
            limits:
              memory: <maxMem>
              cpu: <maxCpu>
          ports:
            - name: metrics
              containerPort: 9100
              hostPort: 9100
          volumeMounts:
            - name: proc
              mountPath: /host/proc
              readOnly:  true
            - name: sys
              mountPath: /host/sys
              readOnly: true
      hostNetwork: true
      hostPID: true
      volumes:
        - name: proc
          hostPath:
            path: /proc
        - name: sys
          hostPath:
            path: /sys
---
apiVersion: v1
kind: Service
metadata:
  name: prometheus-node-exporter
  namespace: <namespace>
  annotations:
    prometheus.io/scrape: "true"
  labels:
    app: monitor
    name: prometheus-node-exporter
spec:
  type: ClusterIP
  clusterIP: None
  ports:
    - name: metrics
      port: 9100
      protocol: TCP
      targetPort: 9100
  selector:
    name: prometheus-node-exporter