21 lines
705 B
YAML
21 lines
705 B
YAML
 
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groups:
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- name: host.rules
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rules:
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- alert: HostExporterDown
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expr: up{job="node-exporter"} == 0
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for: 2m
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labels:
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severity: critical
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annotations:
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summary: "Node exporter is unavailable"
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description: "Prometheus has failed to scrape {{ $labels.instance }} for more than two minutes."
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- alert: HostHighCPU
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expr: 100 - (avg by(instance) (rate(node_cpu_seconds_total{mode="idle"}[5m])) * 100) > 85
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for: 10m
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labels:
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severity: warning
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annotations:
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summary: "High CPU utilization"
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description: "CPU utilization on {{ $labels.instance }} has exceeded 85% for ten minutes."
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