apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: node-exporter
  namespace: monitoring
  labels:
    app: node-exporter
spec:
  selector:
    matchLabels:
      app: node-exporter
  template:
    metadata:
      labels:
        app: node-exporter
    spec:
      hostNetwork: true
      hostPID: true
      tolerations:
        - operator: Exists
      containers:
      - name: node-exporter
        image: prom/node-exporter:v1.12.1
        args:
        - --path.sysfs=/host/sys
        - --path.rootfs=/host/root
        ports:
        - containerPort: 9100
          name: metrics
        volumeMounts:
        - name: sys
          mountPath: /host/sys
          readOnly: true
        - name: root
          mountPath: /host/root
          readOnly: true
        - name: mnt
          mountPath: /host/root/mnt
          readOnly: true
      volumes:
      - name: sys
        hostPath:
          path: /sys
      - name: root
        hostPath:
          path: /
      - name: mnt
        hostPath:
          path: /mnt