k3s-cluster/kubernetes/main/apps/monitoring/external-monitors/essential-node-exporter.yaml

kind: Service
apiVersion: v1
metadata:
  name: essential-node-exporter
  namespace: monitoring
  labels:
    app: essential-node-exporter
spec:
  type: ClusterIP
  ports:
  - name: metrics
    port: 9100
    targetPort: 9100
---
kind: Endpoints
apiVersion: v1
metadata:
  name: essential-node-exporter
  namespace: monitoring
subsets:
- addresses:
  - ip: 192.168.10.42
  ports:
  - name: metrics
    port: 9100
---
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: essential-node-exporter
  namespace: monitoring
  labels:
    release: kube-prometheus-stack
spec:
  selector:
    matchLabels:
      app: essential-node-exporter
  endpoints:
  - port: metrics
    interval: 60s
    scrapeTimeout: 15s
    path: /metrics
    relabelings:
    - targetLabel: job
      replacement: node-exporter
    - targetLabel: instance
      replacement: essential