apiVersion: v1
kind: Service
metadata:
  name: node-exporter
  labels:
    k8s-app: node-exporter
spec:
  type: ClusterIP
  ports:
  - name: http
    port: 9100
    targetPort: 9100
  selector:
    k8s-app: node-exporter
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: node-exporter
  labels:
    k8s-app: node-exporter
spec:
  selector:
    matchLabels:
      k8s-app: node-exporter
  template:
    metadata:
      labels:
        k8s-app: node-exporter
    spec:
      containers:
      - name: node-exporter
        image: prom/node-exporter:v1.1.2
        ports:
        - name: metrics
          containerPort: 9100
        args:
        - "--path.procfs=/host/proc"
        - "--path.sysfs=/host/sys"
        - "--path.rootfs=/host"
        volumeMounts:
        - name: dev
          mountPath: /host/dev
        - name: proc
          mountPath: /host/proc
        - name: sys
          mountPath: /host/sys
        - name: rootfs
          mountPath: /host
      volumes:
        - name: dev
          hostPath:
            path: /dev
        - name: proc
          hostPath:
            path: /proc
        - name: sys
          hostPath:
            path: /sys
        - name: rootfs
          hostPath:
            path: /
      hostPID: true
      hostNetwork: true
      tolerations:
      - operator: "Exists"