apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: node-exporter
  namespace: default
  labels:
    app: node-exporter
spec:
  selector:
    matchLabels:
      app: node-exporter
  template:
    metadata:
      labels:
        app: node-exporter
    spec:
      hostNetwork: true
      hostPID: true
      containers:
      - name: node-exporter
        image: registry.t-aaron.com/prom/node-exporter:latest
        ports:
        - containerPort: 9100
          hostPort: 9100
          name: metrics
        args:
        - --path.procfs=/host/proc
        - --path.sysfs=/host/sys
        - --collector.filesystem.mount-points-exclude=^/(dev|proc|sys|var/lib/docker/.+)($|/)
        - --collector.filesystem.fs-types-exclude=^(autofs|binfmt_misc|bpf|cgroup2?|configfs|debugfs|devpts|devtmpfs|fusectl|hugetlbfs|iso9660|mqueue|nsfs|overlay|proc|procfs|pstore|rpc_pipefs|securityfs|selinuxfs|squashfs|sysfs|tracefs)$
        resources:
          requests:
            memory: "64Mi"
            cpu: "50m"
          limits:
            memory: "128Mi"
            cpu: "100m"
        volumeMounts:
        - name: proc
          mountPath: /host/proc
          readOnly: true
        - name: sys
          mountPath: /host/sys
          readOnly: true
      volumes:
      - name: proc
        hostPath:
          path: /proc
      - name: sys
        hostPath:
          path: /sys
      tolerations:
      - operator: Exists
---
apiVersion: v1
kind: Service
metadata:
  name: node-exporter
  namespace: default
  labels:
    app: node-exporter
spec:
  selector:
    app: node-exporter
  ports:
  - name: metrics
    port: 9100
    targetPort: 9100
  type: ClusterIP