apiVersion: v1
kind: Pod
metadata:
  name: node-exporter
  labels:
    traefik.enable: true
    traefik.http.services.node-exporter.loadbalancer.server.port: 20091
    # metrics
    traefik.http.routers.node-exporter-metrics.entrypoints: metrics
    traefik.http.routers.node-exporter-metrics.rule: Path(`/metrics/node-exporter`)
    traefik.http.routers.node-exporter-metrics.middlewares: replacepath-metrics@file
    traefik.http.routers.node-exporter-metrics.service: node-exporter
spec:
  restartPolicy: Never
  dnsPolicy: Default
  containers:
  - name: node-exporter
    image: quay.io/prometheus/node-exporter:v1.8.0
    args:
    - --path.procfs=/host/proc
    - --path.sysfs=/host/sys
    - --web.listen-address=:20091
    - --no-collector.bcache
    - --no-collector.selinux
    - --no-collector.infiniband
    - --no-collector.xfs
    - --no-collector.zfs
    - --collector.textfile.directory=/host/textfiles
    volumeMounts:
    - name: proc
      mountPath: /host/proc
      readOnly:  true
    - name: sys
      mountPath: /host/sys
      readOnly: true
    - name: textfiles
      mountPath: /host/textfiles
      readOnly: true
    ports:
    - containerPort: 20091
      protocol: TCP
    hostNetwork: true
    hostPID: true
    resources:
      limits:
        cpu: 10m
        memory: 50Mi
      requests:
        cpu: 1m
        memory: 10Mi
  volumes:
  - name: proc
    hostPath:
      path: /proc
      type: Directory
  - name: sys
    hostPath:
      path: /sys
      type: Directory
  - name: textfiles
    hostPath:
      path: /run/prom
      type: DirectoryOrCreate