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kubernetes-system-apiserver — alerts

Alert Severity Summary Runbook
KubeClientCertificateExpiration warning Client certificate is about to expire. runbook
KubeClientCertificateExpiration critical Client certificate is about to expire. runbook
KubeAggregatedAPIErrors warning Kubernetes aggregated API has reported errors. runbook
KubeAggregatedAPIDown warning Kubernetes aggregated API is down. runbook
KubeAPIDown critical Target disappeared from Prometheus target discovery. runbook
KubeAPIInstanceUnreachable warning KubeAPI instance is unreachable. upstream ↗
KubeAPITerminatedRequests warning The kubernetes apiserver has terminated {{ $value | humanizePercentage }} of its incoming requests. runbook