apiVersion: apps/v1
kind: DaemonSet
metadata:
  labels:
    app.kubernetes.io/component: exporter
    app.kubernetes.io/name: node-exporter
  name: node-exporter
  namespace: monitoring
spec:
  selector:
    matchLabels:
      app.kubernetes.io/component: exporter
      app.kubernetes.io/name: node-exporter
  template:
    metadata:
      labels:
        app.kubernetes.io/component: exporter
        app.kubernetes.io/name: node-exporter
    spec:
      containers:
        - args:
            - --path.sysfs=/host/sys
            - --path.rootfs=/host/root
            - --no-collector.wifi
            - --no-collector.hwmon
            - --collector.filesystem.ignored-mount-points=^/(dev|proc|sys|var/lib/docker/.+|var/lib/kubelet/pods/.+)($|/)
            - --collector.netclass.ignored-devices=^(veth.*)$
          name: node-exporter
          image: prom/node-exporter
          ports:
            - containerPort: 9100
              protocol: TCP
          resources:
            limits:
              cpu: 250m
              memory: 180Mi
            requests:
              cpu: 102m
              memory: 180Mi
          volumeMounts:
            - mountPath: /host/sys
              mountPropagation: HostToContainer
              name: sys
              readOnly: true
            - mountPath: /host/root
              mountPropagation: HostToContainer
              name: root
              readOnly: true
      tolerations:
        - key: node-role.kubernetes.io/master
          operator: Exists
          effect: NoSchedule
      volumes:
        - hostPath:
            path: /sys
          name: sys
        - hostPath:
            path: /
          name: root
