apiVersion: v1
kind: ServiceAccount
metadata:
  name: prometheus-node-exporter
  namespace: monitoring
  labels:
    app.kubernetes.io/name: prometheus
    app.kubernetes.io/component: node-exporter
---
apiVersion: v1
kind: Service
metadata:
  annotations:
    prometheus.io/scrape: "true"
  labels:
    app.kubernetes.io/name: prometheus
    app.kubernetes.io/component: node-exporter
  name: prometheus-node-exporter
  namespace: monitoring
spec:
  clusterIP: None
  ports:
    - name: metrics
      port: 9100
      protocol: TCP
      targetPort: 9100
  selector:
    app.kubernetes.io/name: prometheus
    app.kubernetes.io/component: node-exporter
  type: "ClusterIP"
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  labels:
    app.kubernetes.io/name: prometheus
    app.kubernetes.io/component: node-exporter
  name: prometheus-node-exporter
  namespace: monitoring
spec:
  selector:
    matchLabels:
      app.kubernetes.io/name: prometheus
      app.kubernetes.io/component: node-exporter
  updateStrategy:
    type: RollingUpdate
  template:
    metadata:
      labels:
        app.kubernetes.io/name: prometheus
        app.kubernetes.io/component: node-exporter
    spec:
      serviceAccountName: prometheus-node-exporter
      containers:
        - name: prometheus-node-exporter
          image: "prom/node-exporter:v1.1.2"
          imagePullPolicy: "IfNotPresent"
          args:
            - --path.procfs=/host/proc
            - --path.sysfs=/host/sys
            - --no-collector.wifi
            - --no-collector.hwmon
            - --no-collector.netclass
            - --collector.filesystem.ignored-mount-points=^/(dev|proc|sys|var/lib/docker/.+|var/lib/kubelet/pods/.+)($|/)
            - --web.listen-address=:9100
          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
---