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737 lines
33 KiB
YAML
737 lines
33 KiB
YAML
groups:
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- name: kubernetes-apps
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rules:
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- alert: KubePodCrashLooping
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annotations:
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description: Pod {{ $labels.namespace }}/{{ $labels.pod }} ({{ $labels.container
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}}) is restarting {{ printf "%.2f" $value }} times / 10 minutes.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubepodcrashlooping
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summary: Pod is crash looping.
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expr: |
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increase(kube_pod_container_status_restarts_total{job="kube-state-metrics"}[10m]) > 0
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and
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kube_pod_container_status_waiting{job="kube-state-metrics"} == 1
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for: 15m
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labels:
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severity: warning
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- alert: KubePodNotReady
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annotations:
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description: Pod {{ $labels.namespace }}/{{ $labels.pod }} has been in a non-ready
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state for longer than 15 minutes.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubepodnotready
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summary: Pod has been in a non-ready state for more than 15 minutes.
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expr: |
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sum by (namespace, pod) (
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max by(namespace, pod) (
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kube_pod_status_phase{job="kube-state-metrics", phase=~"Pending|Unknown"}
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) * on(namespace, pod) group_left(owner_kind) topk by(namespace, pod) (
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1, max by(namespace, pod, owner_kind) (kube_pod_owner{owner_kind!="Job"})
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)
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) > 0
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for: 15m
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labels:
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severity: warning
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- alert: KubeDeploymentGenerationMismatch
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annotations:
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description: Deployment generation for {{ $labels.namespace }}/{{ $labels.deployment
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}} does not match, this indicates that the Deployment has failed but has not
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been rolled back.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubedeploymentgenerationmismatch
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summary: Deployment generation mismatch due to possible roll-back
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expr: |
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kube_deployment_status_observed_generation{job="kube-state-metrics"}
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!=
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kube_deployment_metadata_generation{job="kube-state-metrics"}
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for: 15m
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labels:
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severity: warning
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- alert: KubeDeploymentReplicasMismatch
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annotations:
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description: Deployment {{ $labels.namespace }}/{{ $labels.deployment }} has
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not matched the expected number of replicas for longer than 15 minutes.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubedeploymentreplicasmismatch
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summary: Deployment has not matched the expected number of replicas.
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expr: |
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(
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kube_deployment_spec_replicas{job="kube-state-metrics"}
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>
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kube_deployment_status_replicas_available{job="kube-state-metrics"}
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) and (
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changes(kube_deployment_status_replicas_updated{job="kube-state-metrics"}[10m])
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==
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0
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)
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for: 15m
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labels:
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severity: warning
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- alert: KubeStatefulSetReplicasMismatch
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annotations:
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description: StatefulSet {{ $labels.namespace }}/{{ $labels.statefulset }} has
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not matched the expected number of replicas for longer than 15 minutes.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubestatefulsetreplicasmismatch
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summary: Deployment has not matched the expected number of replicas.
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expr: |
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(
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kube_statefulset_status_replicas_ready{job="kube-state-metrics"}
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!=
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kube_statefulset_status_replicas{job="kube-state-metrics"}
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) and (
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changes(kube_statefulset_status_replicas_updated{job="kube-state-metrics"}[10m])
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==
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0
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)
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for: 15m
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labels:
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severity: warning
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- alert: KubeStatefulSetGenerationMismatch
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annotations:
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description: StatefulSet generation for {{ $labels.namespace }}/{{ $labels.statefulset
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}} does not match, this indicates that the StatefulSet has failed but has
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not been rolled back.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubestatefulsetgenerationmismatch
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summary: StatefulSet generation mismatch due to possible roll-back
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expr: |
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kube_statefulset_status_observed_generation{job="kube-state-metrics"}
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!=
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kube_statefulset_metadata_generation{job="kube-state-metrics"}
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for: 15m
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labels:
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severity: warning
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- alert: KubeStatefulSetUpdateNotRolledOut
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annotations:
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description: StatefulSet {{ $labels.namespace }}/{{ $labels.statefulset }} update
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has not been rolled out.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubestatefulsetupdatenotrolledout
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summary: StatefulSet update has not been rolled out.
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expr: |
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(
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max without (revision) (
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kube_statefulset_status_current_revision{job="kube-state-metrics"}
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unless
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kube_statefulset_status_update_revision{job="kube-state-metrics"}
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)
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*
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(
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kube_statefulset_replicas{job="kube-state-metrics"}
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!=
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kube_statefulset_status_replicas_updated{job="kube-state-metrics"}
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)
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) and (
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changes(kube_statefulset_status_replicas_updated{job="kube-state-metrics"}[5m])
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==
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0
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)
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for: 15m
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labels:
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severity: warning
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- alert: KubeDaemonSetRolloutStuck
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annotations:
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description: DaemonSet {{ $labels.namespace }}/{{ $labels.daemonset }} has not
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finished or progressed for at least 15 minutes.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubedaemonsetrolloutstuck
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summary: DaemonSet rollout is stuck.
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expr: |
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(
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(
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kube_daemonset_status_current_number_scheduled{job="kube-state-metrics"}
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!=
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kube_daemonset_status_desired_number_scheduled{job="kube-state-metrics"}
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) or (
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kube_daemonset_status_number_misscheduled{job="kube-state-metrics"}
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!=
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0
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) or (
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kube_daemonset_updated_number_scheduled{job="kube-state-metrics"}
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!=
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kube_daemonset_status_desired_number_scheduled{job="kube-state-metrics"}
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) or (
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kube_daemonset_status_number_available{job="kube-state-metrics"}
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!=
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kube_daemonset_status_desired_number_scheduled{job="kube-state-metrics"}
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)
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) and (
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changes(kube_daemonset_updated_number_scheduled{job="kube-state-metrics"}[5m])
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==
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0
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)
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for: 15m
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labels:
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severity: warning
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- alert: KubeContainerWaiting
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annotations:
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description: Pod {{ $labels.namespace }}/{{ $labels.pod }} container {{ $labels.container}}
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has been in waiting state for longer than 1 hour.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubecontainerwaiting
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summary: Pod container waiting longer than 1 hour
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expr: |
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sum by (namespace, pod, container) (kube_pod_container_status_waiting_reason{job="kube-state-metrics"}) > 0
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for: 1h
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labels:
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severity: warning
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- alert: KubeDaemonSetNotScheduled
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annotations:
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description: '{{ $value }} Pods of DaemonSet {{ $labels.namespace }}/{{ $labels.daemonset
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}} are not scheduled.'
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubedaemonsetnotscheduled
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summary: DaemonSet pods are not scheduled.
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expr: |
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kube_daemonset_status_desired_number_scheduled{job="kube-state-metrics"}
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-
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kube_daemonset_status_current_number_scheduled{job="kube-state-metrics"} > 0
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for: 10m
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labels:
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severity: warning
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- alert: KubeDaemonSetMisScheduled
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annotations:
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description: '{{ $value }} Pods of DaemonSet {{ $labels.namespace }}/{{ $labels.daemonset
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}} are running where they are not supposed to run.'
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubedaemonsetmisscheduled
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summary: DaemonSet pods are misscheduled.
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expr: |
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kube_daemonset_status_number_misscheduled{job="kube-state-metrics"} > 0
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for: 15m
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labels:
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severity: warning
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- alert: KubeJobCompletion
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annotations:
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description: Job {{ $labels.namespace }}/{{ $labels.job_name }} is taking more
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than 12 hours to complete.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubejobcompletion
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summary: Job did not complete in time
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expr: |
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kube_job_spec_completions{job="kube-state-metrics"} - kube_job_status_succeeded{job="kube-state-metrics"} > 0
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for: 12h
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labels:
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severity: warning
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- alert: KubeJobFailed
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annotations:
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description: Job {{ $labels.namespace }}/{{ $labels.job_name }} failed to complete.
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Removing failed job after investigation should clear this alert.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubejobfailed
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summary: Job failed to complete.
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expr: |
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kube_job_failed{job="kube-state-metrics"} > 0
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for: 15m
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labels:
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severity: warning
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- alert: KubeHpaReplicasMismatch
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annotations:
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description: HPA {{ $labels.namespace }}/{{ $labels.horizontalpodautoscaler }}
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has not matched the desired number of replicas for longer than 15 minutes.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubehpareplicasmismatch
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summary: HPA has not matched descired number of replicas.
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expr: |
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(kube_horizontalpodautoscaler_status_desired_replicas{job="kube-state-metrics"}
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!=
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kube_horizontalpodautoscaler_status_current_replicas{job="kube-state-metrics"})
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and
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(kube_horizontalpodautoscaler_status_current_replicas{job="kube-state-metrics"}
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>
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kube_horizontalpodautoscaler_spec_min_replicas{job="kube-state-metrics"})
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and
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(kube_horizontalpodautoscaler_status_current_replicas{job="kube-state-metrics"}
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<
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kube_horizontalpodautoscaler_spec_max_replicas{job="kube-state-metrics"})
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and
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changes(kube_horizontalpodautoscaler_status_current_replicas{job="kube-state-metrics"}[15m]) == 0
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for: 15m
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labels:
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severity: warning
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- alert: KubeHpaMaxedOut
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annotations:
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description: HPA {{ $labels.namespace }}/{{ $labels.horizontalpodautoscaler }}
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has been running at max replicas for longer than 15 minutes.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubehpamaxedout
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summary: HPA is running at max replicas
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expr: |
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kube_horizontalpodautoscaler_status_current_replicas{job="kube-state-metrics"}
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==
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kube_horizontalpodautoscaler_spec_max_replicas{job="kube-state-metrics"}
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for: 15m
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labels:
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severity: warning
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- name: kubernetes-resources
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rules:
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- alert: KubeCPUOvercommit
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annotations:
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description: Cluster has overcommitted CPU resource requests for Pods by {{
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$value }} CPU shares and cannot tolerate node failure.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubecpuovercommit
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summary: Cluster has overcommitted CPU resource requests.
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expr: |
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sum(namespace_cpu:kube_pod_container_resource_requests:sum{}) - (sum(kube_node_status_allocatable{resource="cpu"}) - max(kube_node_status_allocatable{resource="cpu"})) > 0
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and
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(sum(kube_node_status_allocatable{resource="cpu"}) - max(kube_node_status_allocatable{resource="cpu"})) > 0
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for: 10m
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labels:
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severity: warning
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- alert: KubeMemoryOvercommit
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annotations:
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description: Cluster has overcommitted memory resource requests for Pods by
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{{ $value }} bytes and cannot tolerate node failure.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubememoryovercommit
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summary: Cluster has overcommitted memory resource requests.
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expr: |
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sum(namespace_memory:kube_pod_container_resource_requests:sum{}) - (sum(kube_node_status_allocatable{resource="memory"}) - max(kube_node_status_allocatable{resource="memory"})) > 0
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and
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(sum(kube_node_status_allocatable{resource="memory"}) - max(kube_node_status_allocatable{resource="memory"})) > 0
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for: 10m
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labels:
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severity: warning
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- alert: KubeCPUQuotaOvercommit
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annotations:
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description: Cluster has overcommitted CPU resource requests for Namespaces.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubecpuquotaovercommit
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summary: Cluster has overcommitted CPU resource requests.
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expr: |
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sum(kube_resourcequota{job="kube-state-metrics", type="hard", resource="cpu"})
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/
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sum(kube_node_status_allocatable{resource="cpu"})
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> 1.5
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for: 5m
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labels:
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severity: warning
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- alert: KubeMemoryQuotaOvercommit
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annotations:
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description: Cluster has overcommitted memory resource requests for Namespaces.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubememoryquotaovercommit
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summary: Cluster has overcommitted memory resource requests.
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expr: |
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sum(kube_resourcequota{job="kube-state-metrics", type="hard", resource="memory"})
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/
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sum(kube_node_status_allocatable{resource="memory",job="kube-state-metrics"})
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> 1.5
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for: 5m
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labels:
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severity: warning
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- alert: KubeQuotaAlmostFull
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annotations:
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description: Namespace {{ $labels.namespace }} is using {{ $value | humanizePercentage
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}} of its {{ $labels.resource }} quota.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubequotaalmostfull
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summary: Namespace quota is going to be full.
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expr: |
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kube_resourcequota{job="kube-state-metrics", type="used"}
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/ ignoring(instance, job, type)
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(kube_resourcequota{job="kube-state-metrics", type="hard"} > 0)
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> 0.9 < 1
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for: 15m
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labels:
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severity: info
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- alert: KubeQuotaFullyUsed
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annotations:
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description: Namespace {{ $labels.namespace }} is using {{ $value | humanizePercentage
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}} of its {{ $labels.resource }} quota.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubequotafullyused
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summary: Namespace quota is fully used.
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expr: |
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kube_resourcequota{job="kube-state-metrics", type="used"}
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/ ignoring(instance, job, type)
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(kube_resourcequota{job="kube-state-metrics", type="hard"} > 0)
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== 1
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for: 15m
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labels:
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severity: info
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- alert: KubeQuotaExceeded
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annotations:
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description: Namespace {{ $labels.namespace }} is using {{ $value | humanizePercentage
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}} of its {{ $labels.resource }} quota.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubequotaexceeded
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summary: Namespace quota has exceeded the limits.
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expr: |
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kube_resourcequota{job="kube-state-metrics", type="used"}
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/ ignoring(instance, job, type)
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(kube_resourcequota{job="kube-state-metrics", type="hard"} > 0)
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> 1
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for: 15m
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labels:
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severity: warning
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- alert: CPUThrottlingHigh
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annotations:
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description: '{{ $value | humanizePercentage }} throttling of CPU in namespace
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{{ $labels.namespace }} for container {{ $labels.container }} in pod {{ $labels.pod
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}}.'
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-cputhrottlinghigh
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summary: Processes experience elevated CPU throttling.
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expr: |
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sum(increase(container_cpu_cfs_throttled_periods_total{container!="", }[5m])) by (container, pod, namespace)
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/
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sum(increase(container_cpu_cfs_periods_total{}[5m])) by (container, pod, namespace)
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> ( 25 / 100 )
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for: 15m
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labels:
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severity: info
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- name: kubernetes-storage
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rules:
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- alert: KubePersistentVolumeFillingUp
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annotations:
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description: The PersistentVolume claimed by {{ $labels.persistentvolumeclaim
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}} in Namespace {{ $labels.namespace }} is only {{ $value | humanizePercentage
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}} free.
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubepersistentvolumefillingup
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summary: PersistentVolume is filling up.
|
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expr: |
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(
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kubelet_volume_stats_available_bytes{job="kubelet"}
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/
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kubelet_volume_stats_capacity_bytes{job="kubelet"}
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) < 0.03
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and
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kubelet_volume_stats_used_bytes{job="kubelet"} > 0
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unless on(namespace, persistentvolumeclaim)
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kube_persistentvolumeclaim_access_mode{ access_mode="ReadOnlyMany"} == 1
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for: 1m
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labels:
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severity: critical
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- alert: KubePersistentVolumeFillingUp
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annotations:
|
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description: Based on recent sampling, the PersistentVolume claimed by {{ $labels.persistentvolumeclaim
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}} in Namespace {{ $labels.namespace }} is expected to fill up within four
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days. Currently {{ $value | humanizePercentage }} is available.
|
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runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubepersistentvolumefillingup
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summary: PersistentVolume is filling up.
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expr: |
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(
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kubelet_volume_stats_available_bytes{job="kubelet"}
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/
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kubelet_volume_stats_capacity_bytes{job="kubelet"}
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) < 0.15
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and
|
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kubelet_volume_stats_used_bytes{job="kubelet"} > 0
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and
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predict_linear(kubelet_volume_stats_available_bytes{job="kubelet"}[6h], 4 * 24 * 3600) < 0
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unless on(namespace, persistentvolumeclaim)
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kube_persistentvolumeclaim_access_mode{ access_mode="ReadOnlyMany"} == 1
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for: 1h
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labels:
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severity: warning
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- alert: KubePersistentVolumeErrors
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annotations:
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description: The persistent volume {{ $labels.persistentvolume }} has status
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{{ $labels.phase }}.
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|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubepersistentvolumeerrors
|
|
summary: PersistentVolume is having issues with provisioning.
|
|
expr: |
|
|
kube_persistentvolume_status_phase{phase=~"Failed|Pending",job="kube-state-metrics"} > 0
|
|
for: 5m
|
|
labels:
|
|
severity: critical
|
|
- name: kubernetes-system
|
|
rules:
|
|
- alert: KubeVersionMismatch
|
|
annotations:
|
|
description: There are {{ $value }} different semantic versions of Kubernetes
|
|
components running.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeversionmismatch
|
|
summary: Different semantic versions of Kubernetes components running.
|
|
expr: |
|
|
count(count by (git_version) (label_replace(kubernetes_build_info{job!~"kube-dns|coredns"},"git_version","$1","git_version","(v[0-9]*.[0-9]*).*"))) > 1
|
|
for: 15m
|
|
labels:
|
|
severity: warning
|
|
- alert: KubeClientErrors
|
|
annotations:
|
|
description: Kubernetes API server client '{{ $labels.job }}/{{ $labels.instance
|
|
}}' is experiencing {{ $value | humanizePercentage }} errors.'
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeclienterrors
|
|
summary: Kubernetes API server client is experiencing errors.
|
|
expr: |
|
|
(sum(rate(rest_client_requests_total{code=~"5.."}[5m])) by (instance, job, namespace)
|
|
/
|
|
sum(rate(rest_client_requests_total[5m])) by (instance, job, namespace))
|
|
> 0.01
|
|
for: 15m
|
|
labels:
|
|
severity: warning
|
|
- name: kube-apiserver-slos
|
|
rules:
|
|
- alert: KubeAPIErrorBudgetBurn
|
|
annotations:
|
|
description: The API server is burning too much error budget.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapierrorbudgetburn
|
|
summary: The API server is burning too much error budget.
|
|
expr: |
|
|
sum(apiserver_request:burnrate1h) > (14.40 * 0.01000)
|
|
and
|
|
sum(apiserver_request:burnrate5m) > (14.40 * 0.01000)
|
|
for: 2m
|
|
labels:
|
|
long: 1h
|
|
severity: critical
|
|
short: 5m
|
|
- alert: KubeAPIErrorBudgetBurn
|
|
annotations:
|
|
description: The API server is burning too much error budget.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapierrorbudgetburn
|
|
summary: The API server is burning too much error budget.
|
|
expr: |
|
|
sum(apiserver_request:burnrate6h) > (6.00 * 0.01000)
|
|
and
|
|
sum(apiserver_request:burnrate30m) > (6.00 * 0.01000)
|
|
for: 15m
|
|
labels:
|
|
long: 6h
|
|
severity: critical
|
|
short: 30m
|
|
- alert: KubeAPIErrorBudgetBurn
|
|
annotations:
|
|
description: The API server is burning too much error budget.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapierrorbudgetburn
|
|
summary: The API server is burning too much error budget.
|
|
expr: |
|
|
sum(apiserver_request:burnrate1d) > (3.00 * 0.01000)
|
|
and
|
|
sum(apiserver_request:burnrate2h) > (3.00 * 0.01000)
|
|
for: 1h
|
|
labels:
|
|
long: 1d
|
|
severity: warning
|
|
short: 2h
|
|
- alert: KubeAPIErrorBudgetBurn
|
|
annotations:
|
|
description: The API server is burning too much error budget.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapierrorbudgetburn
|
|
summary: The API server is burning too much error budget.
|
|
expr: |
|
|
sum(apiserver_request:burnrate3d) > (1.00 * 0.01000)
|
|
and
|
|
sum(apiserver_request:burnrate6h) > (1.00 * 0.01000)
|
|
for: 3h
|
|
labels:
|
|
long: 3d
|
|
severity: warning
|
|
short: 6h
|
|
- name: kubernetes-system-apiserver
|
|
rules:
|
|
- alert: KubeClientCertificateExpiration
|
|
annotations:
|
|
description: A client certificate used to authenticate to the apiserver is expiring
|
|
in less than 7.0 days.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeclientcertificateexpiration
|
|
summary: Client certificate is about to expire.
|
|
expr: |
|
|
apiserver_client_certificate_expiration_seconds_count{job="kube-apiserver"} > 0 and on(job) histogram_quantile(0.01, sum by (job, le) (rate(apiserver_client_certificate_expiration_seconds_bucket{job="kube-apiserver"}[5m]))) < 604800
|
|
labels:
|
|
severity: warning
|
|
- alert: KubeClientCertificateExpiration
|
|
annotations:
|
|
description: A client certificate used to authenticate to the apiserver is expiring
|
|
in less than 24.0 hours.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeclientcertificateexpiration
|
|
summary: Client certificate is about to expire.
|
|
expr: |
|
|
apiserver_client_certificate_expiration_seconds_count{job="kube-apiserver"} > 0 and on(job) histogram_quantile(0.01, sum by (job, le) (rate(apiserver_client_certificate_expiration_seconds_bucket{job="kube-apiserver"}[5m]))) < 86400
|
|
labels:
|
|
severity: critical
|
|
- alert: AggregatedAPIErrors
|
|
annotations:
|
|
description: An aggregated API {{ $labels.name }}/{{ $labels.namespace }} has
|
|
reported errors. It has appeared unavailable {{ $value | humanize }} times
|
|
averaged over the past 10m.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-aggregatedapierrors
|
|
summary: An aggregated API has reported errors.
|
|
expr: |
|
|
sum by(name, namespace)(increase(aggregator_unavailable_apiservice_total[10m])) > 4
|
|
labels:
|
|
severity: warning
|
|
- alert: AggregatedAPIDown
|
|
annotations:
|
|
description: An aggregated API {{ $labels.name }}/{{ $labels.namespace }} has
|
|
been only {{ $value | humanize }}% available over the last 10m.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-aggregatedapidown
|
|
summary: An aggregated API is down.
|
|
expr: |
|
|
(1 - max by(name, namespace)(avg_over_time(aggregator_unavailable_apiservice[10m]))) * 100 < 85
|
|
for: 5m
|
|
labels:
|
|
severity: warning
|
|
- alert: KubeAPIDown
|
|
annotations:
|
|
description: KubeAPI has disappeared from Prometheus target discovery.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapidown
|
|
summary: Target disappeared from Prometheus target discovery.
|
|
expr: |
|
|
absent(up{job="kube-apiserver"} == 1)
|
|
for: 15m
|
|
labels:
|
|
severity: critical
|
|
- alert: KubeAPITerminatedRequests
|
|
annotations:
|
|
description: The apiserver has terminated {{ $value | humanizePercentage }}
|
|
of its incoming requests.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapiterminatedrequests
|
|
summary: The apiserver has terminated {{ $value | humanizePercentage }} of its
|
|
incoming requests.
|
|
expr: |
|
|
sum(rate(apiserver_request_terminations_total{job="kube-apiserver"}[10m])) / ( sum(rate(apiserver_request_total{job="kube-apiserver"}[10m])) + sum(rate(apiserver_request_terminations_total{job="kube-apiserver"}[10m])) ) > 0.20
|
|
for: 5m
|
|
labels:
|
|
severity: warning
|
|
- name: kubernetes-system-kubelet
|
|
rules:
|
|
- alert: KubeNodeNotReady
|
|
annotations:
|
|
description: '{{ $labels.node }} has been unready for more than 15 minutes.'
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubenodenotready
|
|
summary: Node is not ready.
|
|
expr: |
|
|
kube_node_status_condition{job="kube-state-metrics",condition="Ready",status="true"} == 0
|
|
for: 15m
|
|
labels:
|
|
severity: warning
|
|
- alert: KubeNodeUnreachable
|
|
annotations:
|
|
description: '{{ $labels.node }} is unreachable and some workloads may be rescheduled.'
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubenodeunreachable
|
|
summary: Node is unreachable.
|
|
expr: |
|
|
(kube_node_spec_taint{job="kube-state-metrics",key="node.kubernetes.io/unreachable",effect="NoSchedule"} unless ignoring(key,value) kube_node_spec_taint{job="kube-state-metrics",key=~"ToBeDeletedByClusterAutoscaler|cloud.google.com/impending-node-termination|aws-node-termination-handler/spot-itn"}) == 1
|
|
for: 15m
|
|
labels:
|
|
severity: warning
|
|
- alert: KubeletTooManyPods
|
|
annotations:
|
|
description: Kubelet '{{ $labels.node }}' is running at {{ $value | humanizePercentage
|
|
}} of its Pod capacity.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubelettoomanypods
|
|
summary: Kubelet is running at capacity.
|
|
expr: |
|
|
count by(node) (
|
|
(kube_pod_status_phase{job="kube-state-metrics",phase="Running"} == 1) * on(instance,pod,namespace,cluster) group_left(node) topk by(instance,pod,namespace,cluster) (1, kube_pod_info{job="kube-state-metrics"})
|
|
)
|
|
/
|
|
max by(node) (
|
|
kube_node_status_capacity{job="kube-state-metrics",resource="pods"} != 1
|
|
) > 0.95
|
|
for: 15m
|
|
labels:
|
|
severity: info
|
|
- alert: KubeNodeReadinessFlapping
|
|
annotations:
|
|
description: The readiness status of node {{ $labels.node }} has changed {{
|
|
$value }} times in the last 15 minutes.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubenodereadinessflapping
|
|
summary: Node readiness status is flapping.
|
|
expr: |
|
|
sum(changes(kube_node_status_condition{status="true",condition="Ready"}[15m])) by (node) > 2
|
|
for: 15m
|
|
labels:
|
|
severity: warning
|
|
- alert: KubeletPlegDurationHigh
|
|
annotations:
|
|
description: The Kubelet Pod Lifecycle Event Generator has a 99th percentile
|
|
duration of {{ $value }} seconds on node {{ $labels.node }}.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeletplegdurationhigh
|
|
summary: Kubelet Pod Lifecycle Event Generator is taking too long to relist.
|
|
expr: |
|
|
node_quantile:kubelet_pleg_relist_duration_seconds:histogram_quantile{quantile="0.99"} >= 10
|
|
for: 5m
|
|
labels:
|
|
severity: warning
|
|
- alert: KubeletPodStartUpLatencyHigh
|
|
annotations:
|
|
description: Kubelet Pod startup 99th percentile latency is {{ $value }} seconds
|
|
on node {{ $labels.node }}.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeletpodstartuplatencyhigh
|
|
summary: Kubelet Pod startup latency is too high.
|
|
expr: |
|
|
histogram_quantile(0.99, sum(rate(kubelet_pod_worker_duration_seconds_bucket{job="kubelet"}[5m])) by (instance, le)) * on(instance) group_left(node) kubelet_node_name{job="kubelet"} > 60
|
|
for: 15m
|
|
labels:
|
|
severity: warning
|
|
- alert: KubeletClientCertificateExpiration
|
|
annotations:
|
|
description: Client certificate for Kubelet on node {{ $labels.node }} expires
|
|
in {{ $value | humanizeDuration }}.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeletclientcertificateexpiration
|
|
summary: Kubelet client certificate is about to expire.
|
|
expr: |
|
|
kubelet_certificate_manager_client_ttl_seconds < 604800
|
|
labels:
|
|
severity: warning
|
|
- alert: KubeletClientCertificateExpiration
|
|
annotations:
|
|
description: Client certificate for Kubelet on node {{ $labels.node }} expires
|
|
in {{ $value | humanizeDuration }}.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeletclientcertificateexpiration
|
|
summary: Kubelet client certificate is about to expire.
|
|
expr: |
|
|
kubelet_certificate_manager_client_ttl_seconds < 86400
|
|
labels:
|
|
severity: critical
|
|
- alert: KubeletServerCertificateExpiration
|
|
annotations:
|
|
description: Server certificate for Kubelet on node {{ $labels.node }} expires
|
|
in {{ $value | humanizeDuration }}.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeletservercertificateexpiration
|
|
summary: Kubelet server certificate is about to expire.
|
|
expr: |
|
|
kubelet_certificate_manager_server_ttl_seconds < 604800
|
|
labels:
|
|
severity: warning
|
|
- alert: KubeletServerCertificateExpiration
|
|
annotations:
|
|
description: Server certificate for Kubelet on node {{ $labels.node }} expires
|
|
in {{ $value | humanizeDuration }}.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeletservercertificateexpiration
|
|
summary: Kubelet server certificate is about to expire.
|
|
expr: |
|
|
kubelet_certificate_manager_server_ttl_seconds < 86400
|
|
labels:
|
|
severity: critical
|
|
- alert: KubeletClientCertificateRenewalErrors
|
|
annotations:
|
|
description: Kubelet on node {{ $labels.node }} has failed to renew its client
|
|
certificate ({{ $value | humanize }} errors in the last 5 minutes).
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeletclientcertificaterenewalerrors
|
|
summary: Kubelet has failed to renew its client certificate.
|
|
expr: |
|
|
increase(kubelet_certificate_manager_client_expiration_renew_errors[5m]) > 0
|
|
for: 15m
|
|
labels:
|
|
severity: warning
|
|
- alert: KubeletServerCertificateRenewalErrors
|
|
annotations:
|
|
description: Kubelet on node {{ $labels.node }} has failed to renew its server
|
|
certificate ({{ $value | humanize }} errors in the last 5 minutes).
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeletservercertificaterenewalerrors
|
|
summary: Kubelet has failed to renew its server certificate.
|
|
expr: |
|
|
increase(kubelet_server_expiration_renew_errors[5m]) > 0
|
|
for: 15m
|
|
labels:
|
|
severity: warning
|
|
- alert: KubeletDown
|
|
annotations:
|
|
description: Kubelet has disappeared from Prometheus target discovery.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeletdown
|
|
summary: Target disappeared from Prometheus target discovery.
|
|
expr: |
|
|
absent(up{job="kubelet"} == 1)
|
|
for: 15m
|
|
labels:
|
|
severity: critical
|
|
- name: kubernetes-system-scheduler
|
|
rules:
|
|
- alert: KubeSchedulerDown
|
|
annotations:
|
|
description: KubeScheduler has disappeared from Prometheus target discovery.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeschedulerdown
|
|
summary: Target disappeared from Prometheus target discovery.
|
|
expr: |
|
|
absent(up{job="kube-scheduler"} == 1)
|
|
for: 15m
|
|
labels:
|
|
severity: critical
|
|
- name: kubernetes-system-controller-manager
|
|
rules:
|
|
- alert: KubeControllerManagerDown
|
|
annotations:
|
|
description: KubeControllerManager has disappeared from Prometheus target discovery.
|
|
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubecontrollermanagerdown
|
|
summary: Target disappeared from Prometheus target discovery.
|
|
expr: |
|
|
absent(up{job="kube-controller-manager"} == 1)
|
|
for: 15m
|
|
labels:
|
|
severity: critical
|