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Long-lived VPN WebSocket sessions inflate P95 request duration; keep 5xx/down/cert alerts for xui unchanged.
61 lines
2.4 KiB
YAML
61 lines
2.4 KiB
YAML
apiVersion: monitoring.coreos.com/v1
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kind: PrometheusRule
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metadata:
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name: traefik
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namespace: prometheus
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labels:
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release: prometheus-stack
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spec:
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groups:
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- name: traefik
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rules:
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- alert: TraefikDown
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expr: absent(up{job="traefik"})
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for: 10m
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labels:
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severity: critical
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annotations:
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summary: "Traefik metrics are unavailable"
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description: "Prometheus has no Traefik target."
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- alert: TraefikConfigReloadFailed
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expr: traefik_config_last_reload_success == 0
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for: 5m
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labels:
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severity: warning
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annotations:
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summary: "Traefik configuration reload failed"
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description: "Traefik failed to apply its last configuration reload. Check Traefik logs and the dynamic config sources."
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- alert: TraefikServiceHigh5xxRate
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expr: |
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sum(rate(traefik_service_requests_total{code=~"5.."}[5m])) by (service)
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/ sum(rate(traefik_service_requests_total[5m])) by (service) * 100 > 5
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and sum(rate(traefik_service_requests_total[5m])) by (service) > 0
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for: 5m
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labels:
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severity: warning
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annotations:
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summary: "High 5xx error rate for service {{ $labels.service }}"
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description: "Service {{ $labels.service }} is returning 5xx errors for more than 5% of requests over the last 5 minutes (current: {{ $value | humanizePercentage }})."
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- alert: TraefikServiceHighLatency
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expr: |
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histogram_quantile(0.95,
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sum(rate(traefik_service_request_duration_seconds_bucket{service!~"xui-xui-service-.*"}[5m])) by (le, service)) > 2
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for: 5m
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labels:
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severity: warning
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annotations:
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summary: "High latency for service {{ $labels.service }}"
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description: "P95 latency of {{ $labels.service }} exceeded 2 seconds over the last 5 minutes (current: {{ $value | humanizeDuration }})."
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- alert: TraefikCertExpiringSoon
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expr: min(traefik_tls_certs_not_after) - time() < 14 * 24 * 60 * 60
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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: "Traefik TLS certificate expires soon"
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description: "A TLS certificate managed by Traefik expires in less than 14 days (in {{ $value | humanizeDuration }})."
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