23 lines
881 B
YAML
23 lines
881 B
YAML
groups:
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- name: dns
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rules:
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- alert: NsMismatch
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for: 5m
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expr:
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count by (Name, Target, host, job) (dns_lg_answer_section_rr_info{Type="NS"}) != on (Name) group_left count by (Name) (group by (instance, Name) (dns_lg_answer_section_rr_info{Type="NS"}))
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labels:
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severity: critical
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annotations:
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summary: NS not found in all name severs
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description: The NS {{ $labels.Target }} has not been found on all name servers of zone {{ $labels.Name }}
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- alert: SerialMismatch
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for: 5m
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expr:
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count by (Name, host, job) (group by(Name, Serial) (dns_lg_answer_section_rr_info{Type="SOA"})) > 1
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labels:
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severity: critical
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annotations:
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summary: Serial out of sync
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description: Name servers for zone {{ $labels.Name }} are serving {{ $value }} different values of the serial
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