groups:
  - name: nut-exporter.rules
    rules:
      - alert: UPSOnBattery
        annotations:
          description:
            UPS on {{ $labels.host }} ({{ $labels.instance }}) is running on battery power.
          summary: UPS is running on battery power.
        expr: network_ups_tools_ups_status{flag="OB"} == 1
        for: 1m
        labels:
          severity: warning
      - alert: UPSLowBattery
        annotations:
          description: UPS on {{ $labels.host }} ({{ $labels.instance }}) reports a low battery.
          summary: UPS battery is low.
        expr: network_ups_tools_ups_status{flag="LB"} == 1
        for: 1m
        labels:
          severity: critical
      - alert: UPSOverload
        annotations:
          description: UPS on {{ $labels.host }} ({{ $labels.instance }}) reports an overload.
          summary: UPS is overloaded.
        expr: network_ups_tools_ups_status{flag="OVER"} == 1
        for: 1m
        labels:
          severity: critical