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: quay.io/prometheus/node-exporter:v1.9.1
          args:
            - --path.procfs=/host/proc
            - --path.sysfs=/host/sys
            - --collector.filesystem.mount-points-exclude=^/(dev|proc|sys|var/lib/docker/.+|var/lib/kubelet/.+)($|/)
          ports:
            - containerPort: 9100
              hostPort: 9100
          resources:
            requests: {cpu: 20m, memory: 32Mi}
            limits: {memory: 64Mi}
          volumeMounts:
            - {name: proc, mountPath: /host/proc, readOnly: true}
            - {name: sys, mountPath: /host/sys, readOnly: true}
            - {name: root, mountPath: /rootfs, readOnly: true}
      volumes:
        - name: proc
          hostPath: {path: /proc}
        - name: sys
          hostPath: {path: /sys}
        - name: root
          hostPath: {path: /}