| ApiServerUnreachableViaKubernetesService |
critical |
shoot |
The Api server has been unreachable for 3 minutes via the kubernetes service in the shoot. |
| CoreDNSDown |
critical |
shoot |
CoreDNS could not be found. Cluster DNS resolution will not work. |
| ApiServerNotReachable |
blocker |
seed |
API server not reachable via external endpoint: {{ $labels.instance }}. |
| KubeApiserverDown |
blocker |
seed |
All API server replicas are down/unreachable, or all API server could not be found. |
| KubeApiServerTooManyAuditlogFailures |
warning |
seed |
The API servers cumulative failure rate in logging audit events is greater than 2%. |
| KubeletTooManyOpenFileDescriptorsSeed |
critical |
seed |
Seed-kubelet ({{ $labels.kubernetes_io_hostname }}) is using {{ $value }}% of the available file/socket descriptors. Kubelet could be under heavy load. |
| KubePersistentVolumeUsageCritical |
critical |
seed |
The PersistentVolume claimed by {{ $labels.persistentvolumeclaim }} is only {{ printf "%0.2f" $value }}% free. |
| KubePersistentVolumeFullInFourDays |
warning |
seed |
Based on recent sampling, the PersistentVolume claimed by {{ $labels.persistentvolumeclaim }} is expected to fill up within four days. Currently {{ printf "%0.2f" $value }}% is available. |
| KubePodPendingControlPlane |
warning |
seed |
Pod {{ $labels.pod }} is stuck in "Pending" state for more than 30 minutes. |
| KubePodNotReadyControlPlane |
warning |
|
Pod {{ $labels.pod }} is not ready for more than 30 minutes. |
| KubeStateMetricsShootDown |
info |
seed |
There are no running kube-state-metric pods for the shoot cluster. No kubernetes resource metrics can be scraped. |
| KubeStateMetricsSeedDown |
critical |
seed |
There are no running kube-state-metric pods for the seed cluster. No kubernetes resource metrics can be scraped. |
| NoWorkerNodes |
blocker |
|
There are no worker nodes in the cluster or all of the worker nodes in the cluster are not schedulable. |
| PrometheusCantScrape |
warning |
seed |
Prometheus failed to scrape metrics. Instance {{ $labels.instance }}, job {{ $labels.job }}. |
| PrometheusConfigurationFailure |
warning |
seed |
Latest Prometheus configuration is broken and Prometheus is using the previous one. |
| VPNShootNoPods |
critical |
shoot |
vpn-shoot deployment in Shoot cluster has 0 available pods. VPN won't work. |
| VPNProbeAPIServerProxyFailed |
critical |
shoot |
The API Server proxy functionality is not working. Probably the vpn connection from an API Server pod to the vpn-shoot endpoint on the Shoot workers does not work. |