Richard
20 lines
981 B
Django/Jinja
20 lines
981 B
Django/Jinja
{% raw %}
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groups:
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- name: demo
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rules:
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- alert: Caddy Down
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expr: up{job="caddy"} == 0
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for: 1m
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labels:
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severity: critical
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# 5% 4xx rate is a rough default. Client-error rates vary widely by application (bots, API misuse, rate limits, short-lived token expiry, malformed clients) — adjust based on your baseline.
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- alert: CaddyHighHTTP4xxErrorRateService
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expr: sum(rate(caddy_http_request_duration_seconds_count{code=~"4.."}[3m])) by (instance) / sum(rate(caddy_http_request_duration_seconds_count[3m])) by (instance) * 100 > 5 and sum(rate(caddy_http_request_duration_seconds_count[3m])) by (instance) > 0
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for: 1m
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labels:
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severity: critical
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annotations:
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summary: Caddy high HTTP 4xx error rate service (instance {{ $labels.instance }})
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description: "Caddy service 4xx error rate is above 5%\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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{% endraw %} |