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---
prometheus_server_rules_coredns_extra: []
prometheus_server_rules_coredns:
- alert: CorednsPanicCount
expr: increase(coredns_panics_total[15m]) > 0
for: 0m
labels:
severity: critical
annotations:
summary: CoreDNS Panic (instance {{ '{{' }} $labels.instance {{ '}}' }})
description: "Number of CoreDNS panics encountered has been increasing in the last 15 minutes\n VALUE = {{ '{{' }} $value {{ '}}' }}\n LABELS = {{ '{{' }} $labels {{ '}}' }}"
- alert: CorednsFailedReloadCount
expr: increase(coredns_reload_failed_total[15m]) > 0
for: 0m
labels:
severity: critical
annotations:
summary: CoreDNS reload failed (instance {{ '{{' }} $labels.instance {{ '}}' }})
description: "Number of CoreDNS failed reloads has been increasing in the last 15 minutes\n VALUE = {{ '{{' }} $value {{ '}}' }}\n LABELS = {{ '{{' }} $labels {{ '}}' }}"
- alert: CorednsBrokenForwardHealthchecks
expr: increase(coredns_forward_healthcheck_broken_total[15m]) > 0
for: 0m
labels:
severity: warning
annotations:
summary: CoreDNS broken forward healthchecks (instance {{ '{{' }} $labels.instance {{ '}}' }})
description: "Number of CoreDNS broken forward healthchecks has been increasing in the last 15 minutes\n VALUE = {{ '{{' }} $value {{ '}}' }}\n LABELS = {{ '{{' }} $labels {{ '}}' }}"
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