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KubeClientCertificateExpiration alert false positives with cloud providers #6161 #6162

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KubeClientCertificateExpiration alert false positives with cloud providers #6161 #6162

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306e50f
Update kubernetes-system-apiserver.yaml
romankucherov-cmyk Sep 24, 2025
0c7b928
Merge pull request #1 from romankucherov-cmyk/romankucherov-cmyk-patch-1
romankucherov-cmyk Sep 25, 2025
cdf2fb9
Update sync_prometheus_rules.py
romankucherov-cmyk Sep 29, 2025
9f93735
Update values.yaml
romankucherov-cmyk Sep 29, 2025
2dbc62c
Update kubernetes-system-apiserver.yaml
romankucherov-cmyk Oct 1, 2025
3f609ac
Update sync_prometheus_rules.py
romankucherov-cmyk Oct 7, 2025
66ee274
Update values.yaml
romankucherov-cmyk Oct 7, 2025
356a360
Update Chart.yaml
romankucherov-cmyk Oct 7, 2025
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4 changes: 2 additions & 2 deletions ...ts/kube-prometheus-stack/templates/prometheus/rules-1.14/kubernetes-system-apiserver.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ spec:
runbook_url: {{ .Values.defaultRules.runbookUrl }}/kubernetes/kubeclientcertificateexpiration
summary: Client certificate is about to expire.
expr: |-
histogram_quantile(0.01, sum without (namespace, service, endpoint) (rate(apiserver_client_certificate_expiration_seconds_bucket{job="apiserver"}[5m]))) < 604800
histogram_quantile(0.01, sum without (namespace, service, endpoint) (rate(apiserver_client_certificate_expiration_seconds_bucket{job="apiserver"}[5m]))) < 601200
and
on ({{ range $.Values.defaultRules.additionalAggregationLabels }}{{ . }},{{ end }}job, cluster, instance) apiserver_client_certificate_expiration_seconds_count{job="apiserver"} > 0
for: {{ dig "KubeClientCertificateExpiration" "for" "5m" .Values.customRules }}
Expand Down Expand Up @@ -200,4 +200,4 @@ spec:
{{- end }}
{{- end }}
{{- end }}
{{- end }}
{{- end }}