daemonset.yaml

#
# This DaemonSet only works on selected nodes
# use kubectl label nodes denver exporter-bme380/enabled=true to allow the exporter provisioned on the node
# help see here. https://github.com/KesiSound/BMPDisplay

---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: bme280-exporter
  namespace: monitoring
  labels:
    app: bme280-exporter
spec:
  selector:
    matchLabels:
      app: bme280-exporter
  template:
    metadata:
      labels:
        app: bme280-exporter
      annotations:
        prometheus.io/path: /metrics
        prometheus.io/port: "9123"
        prometheus.io/scrape: "true"
    spec:
      containers:
      - name: bme280-exporter
        image: lukasbahr/prometheus-bme280-exporter:74b2a86
        args: ["--accuracy=ACCURACY_STANDARD", "--port=9123","--loglevel=debug"]
        env:
        - name: NODE_NAME
          valueFrom:
            fieldRef:
              fieldPath: spec.nodeName
        ports:
        - name: http
          containerPort: 9123
        volumeMounts:
        - mountPath: /dev/i2c-1
          name: device
        securityContext:
          privileged: true  
        resources:
          limits:
            memory: 200Mi
          requests:
            cpu: 100m
            memory: 200Mi
        #livenessProbe:
         # httpGet:
          #  path: /
           # port: 9103
          #initialDelaySeconds: 5
          #periodSeconds: 5
      volumes:
      - name: device
        hostPath:
          path: /dev/i2c-1      
      terminationGracePeriodSeconds: 10
      nodeSelector:
        k3s.io/exporter-bme380-enabled: "true"