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Webhook certificate expiry alerts #23

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Merged
videlov merged 4 commits into from
May 5, 2026
+35 −3
Merged

Webhook certificate expiry alerts #23

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c6297a9
Webhook certificate expiry alerts (#23)
videlov May 4, 2026
f6cfb5b
for
videlov May 4, 2026
7faa5a8
fix helm lint
videlov May 5, 2026
23bc86f
spell fix
videlov May 5, 2026
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2 changes: 1 addition & 1 deletion charts/controlplane-operations/Chart.yaml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
apiVersion: v2
name: controlplane-operations
version: 1.1.9
version: 1.1.10
description: A set of Plutono dashboards and Prometheus alerting rules combined with playbooks to ensure effective operations of Controlplane clusters.
maintainers:
- name: Vladimir Videlov (d051408)
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32 changes: 32 additions & 0 deletions charts/controlplane-operations/alerts/controlplane-remote.yaml
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Expand Up @@ -67,3 +67,35 @@ groups:
description: Server is stuck in Discovery for more than {{ dig "ServerStuckInDiscovery" "for" "15m" .Values.prometheusRules }} minutes.
summary: Server stuck in Discovery.
{{- end }}

{{- if not (.Values.prometheusRules.disabled.WebhookCertificateNearExpiry | default false) }}
- alert: WebhookCertificateNearExpiry
expr: |
(webhook_injector_certificate_expiry_time_seconds - time()) < (90 * 24 * 3600 * 0.2)
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for: {{ dig "WebhookCertificateNearExpiry" "for" "5m" .Values.prometheusRules }}
Comment on lines +73 to +75
labels:
{{ include "controlplane-operations.additionalRuleLabels" . }}
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severity: {{ dig "WebhookCertificateNearExpiry" "severity" "warning" .Values.prometheusRules }}
playbook: https://operations.global.cloud.sap/docs/support/playbook/webhook-certificate-near-expiry/ #TODO: add playbook
service: {{ dig "WebhookCertificateNearExpiry" "service" .Values.prometheusRules.defaultService .Values.prometheusRules }}
support_group: {{ dig "WebhookCertificateNearExpiry" "support_group" .Values.prometheusRules.defaultSupportGroup .Values.prometheusRules }}
annotations:
summary: "Webhook certificate is below rotation threshold."
description: "Certificate expires soon, rotation should have happened since it's below threshold."
{{- end }}

{{- if not (.Values.prometheusRules.disabled.WebhookCertificateAboutToExpire | default false) }}
- alert: WebhookCertificateAboutToExpire
expr: |
(webhook_injector_certificate_expiry_time_seconds - time()) < (3 * 24 * 3600)
for: {{ dig "WebhookCertificateAboutToExpire" "for" "5m" .Values.prometheusRules }}
labels:
{{ include "controlplane-operations.additionalRuleLabels" . }}
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severity: {{ dig "WebhookCertificateAboutToExpire" "severity" "critical" .Values.prometheusRules }}
playbook: https://operations.global.cloud.sap/docs/support/playbook/webhook-certificate-about-to-expire/ #TODO: add playbook
service: {{ dig "WebhookCertificateAboutToExpire" "service" .Values.prometheusRules.defaultService .Values.prometheusRules }}
support_group: {{ dig "WebhookCertificateAboutToExpire" "support_group" .Values.prometheusRules.defaultSupportGroup .Values.prometheusRules }}
annotations:
summary: "Webhook certificate is about to expire."
description: "Certificate expires in less than 3 days."
{{- end }}
4 changes: 2 additions & 2 deletions charts/controlplane-operations/plugindefinition.yaml
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Expand Up @@ -3,15 +3,15 @@ kind: PluginDefinition
metadata:
name: controlplane-operations
spec:
version: 1.1.9
version: 1.1.10
displayName: Controlplane operations bundle
description: Operations bundle for Controlane clusters
docMarkDownUrl: https://raw.githubusercontent.com/cloudoperators/controlplane-operations/main/README.md
icon: https://raw.githubusercontent.com/cloudoperators/controlplane-operations/main/charts/controlplane-operations/kubernetes-logo.png
helmChart:
name: controlplane-operations
repository: oci://ghcr.io/cloudoperators/controlplane-operations/charts
version: 1.1.9
version: 1.1.10
options:
- name: prometheusRules.create
description: Create Prometheus rules
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