apiVersion: apps/v1
kind: Deployment
metadata:
  name: fritzbox-exporter
  namespace: monitoring
  labels:
    app: fritzbox-exporter
spec:
  replicas: 1
  selector:
    matchLabels:
      app: fritzbox-exporter
  template:
    metadata:
      labels:
        app: fritzbox-exporter
    spec:
      containers:
      - name: fritzbox-exporter
        image: ghcr.io/sberk42/fritzbox_exporter/fritzbox_exporter:latest
        imagePullPolicy: IfNotPresent
        env:
        - name: USERNAME
          valueFrom:
            secretKeyRef:
              name: fritzbox-exporter-secret
              key: username
        - name: PASSWORD
          valueFrom:
            secretKeyRef:
              name: fritzbox-exporter-secret
              key: password
        - name: GATEWAY_URL
          value: "http://192.168.10.1:49000"
        - name: LISTEN_ADDRESS
          value: "0.0.0.0:9042"
        ports:
        - name: http-metrics
          containerPort: 9042
        resources:
          requests:
            cpu: 10m
            memory: 32Mi
          limits:
            cpu: 100m
            memory: 64Mi
---
apiVersion: v1
kind: Service
metadata:
  name: fritzbox-exporter
  namespace: monitoring
  labels:
    app: fritzbox-exporter
spec:
  ports:
  - name: http-metrics
    port: 9042
    targetPort: 9042
    protocol: TCP
  selector:
    app: fritzbox-exporter
---
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: fritzbox-exporter
  namespace: monitoring
  labels:
    app: fritzbox-exporter
    release: prometheus-operator
spec:
  selector:
    matchLabels:
      app: fritzbox-exporter
  namespaceSelector:
    matchNames:
    - monitoring
  endpoints:
  - port: http-metrics
    path: /metrics
    interval: 60s
    scrapeTimeout: 15s
---
apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
  name: fritzbox-exporter-alerts
  namespace: monitoring
  labels:
    release: prometheus-operator
spec:
  groups:
  - name: fritzbox-exporter.rules
    rules:
    - alert: FritzBoxExporterOffline
      expr: up{job="fritzbox-exporter"} == 0
      for: 5m
      labels:
        severity: warning
      annotations:
        summary: "FritzBox exporter is offline"
        description: "The FritzBox exporter pod in the cluster cannot reach the router at 192.168.10.1 or the exporter itself is down."