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fix(base-cluster/monitoring): adjust for short-lived certificates #1921

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Merged
cwrau merged 1 commit into from
Jan 19, 2026
Merged

fix(base-cluster/monitoring): adjust for short-lived certificates #1921

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14 changes: 7 additions & 7 deletions charts/base-cluster/templates/cert-manager/rules/certificate-expiration.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -16,22 +16,22 @@ spec:
groups:
- name: certificate-expiration
rules:
- alert: CertificateExpiringSoon
- alert: CertificatePastRenewalTime
annotations:
description: {{ "Certificate {{ $labels.exported_namespace }}/{{ $labels.name }} will expire in less than 14 days. The certificate will expire at {{ humanizeTimestamp $value }}" | quote }}
summary: Certificate is expiring soon.
description: {{ "Certificate {{ $labels.exported_namespace }}/{{ $labels.name }} hasn't been renewed in 30 Minutes. The certificate should've been renewed {{ humanizeDuration $value }} ago." | quote }}
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summary: Certificate is past renewal time.
expr: |-
certmanager_certificate_expiration_timestamp_seconds and (certmanager_certificate_expiration_timestamp_seconds - time() <= (60 * 60 * 24 * 14))
time() - certmanager_certificate_renewal_timestamp_seconds > (30*60)
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for: 5m
labels:
severity: critical
period: WorkingHours
- alert: CertificateExpiringSoon
- alert: CertificatePastRenewalTimeHalfwayToExpiration
annotations:
description: {{ "Certificate {{ $labels.exported_namespace }}/{{ $labels.name }} will expire in less than 1 week. The certificate will expire at {{ humanizeTimestamp $value }}" | quote }}
description: {{ "Certificate {{ $labels.exported_namespace }}/{{ $labels.name }} hasn't been renewed and is halfway to expiration. The certificate will expire at {{ humanizeTimestamp $value }}." | quote }}
summary: Certificate is expiring soon.
expr: |-
certmanager_certificate_expiration_timestamp_seconds and (certmanager_certificate_expiration_timestamp_seconds - time() <= (60 * 60 * 24 * 7))
certmanager_certificate_expiration_timestamp_seconds and (time() - (certmanager_certificate_renewal_timestamp_seconds + ((certmanager_certificate_expiration_timestamp_seconds - certmanager_certificate_renewal_timestamp_seconds) * 1/2)) > 0)
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for: 5m
labels:
severity: critical
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