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Kubernetes system

Kubernetes system¶

This section lists the alerts for the Kubernetes system.

KubeNodeNotReady
KubeVersionMismatch
KubeClientErrors
KubeletTooManyPods
KubeAPIDown
KubeAPIOutage
KubeAPIErrorsHighMajor
KubeAPIErrorsHighWarning
KubeAPIResourceErrorsHighMajor
KubeAPIResourceErrorsHighWarning
KubeClientCertificateExpirationInSevenDays
KubeClientCertificateExpirationInOneDay
ContainerScrapeError
KubeAPICertExpirationMajor
KubeAPICertExpirationWarning

KubeNodeNotReady¶

Severity	Warning
Summary	The `{{ $labels.node }}` node is not ready.
Description	The Kubernetes `{{ $labels.node }}` node is not ready for more than one hour.

KubeVersionMismatch¶

Severity	Warning
Summary	Kubernetes components have mismatching versions.
Description	Kubernetes has components with `{{ $value }}` different semantic versions running.

KubeClientErrors¶

Severity	Warning
Summary	Kubernetes API client has more than 1% of error requests.
Description	The `{{ $labels.job }}/{{ $labels.instance }}` Kubernetes API server client has `{{ printf "%0.0f" $value }}%` errors.

KubeletTooManyPods¶

Severity	Warning
Summary	kubelet reached 90% of Pods limit.
Description	The `{{ $labels.instance }}/{{ $labels.node }}` kubelet runs `{{ $value }}` Pods, nearly 90% of possible allocation.

KubeAPIDown¶

Severity	Critical
Summary	Kubernetes API endpoint is down.
Description	The Kubernetes API endpoint `{{ $labels.instance }}` is not accessible for the last 3 minutes.

KubeAPIOutage¶

Severity	Critical
Summary	Kubernetes API is down.
Description	The Kubernetes API is not accessible for the last 30 seconds.

KubeAPIErrorsHighMajor¶

Severity	Major
Summary	API server returns errors for more than 3% of requests.
Description	The API server returns errors for `{{ $value }}%` of requests.

KubeAPIErrorsHighWarning¶

Severity	Warning
Summary	API server returns errors for more than 1% of requests.
Description	The API server returns errors for `{{ $value }}%` of requests.

KubeAPIResourceErrorsHighMajor¶

Severity	Major
Summary	API server returns errors for 10% of requests.
Description	The API server returns errors for `{{ $value }}%` of requests for `{{ $labels.verb }} {{ $labels.resource }} {{ $labels.subresource }}`.

KubeAPIResourceErrorsHighWarning¶

Severity	Warning
Summary	API server returns errors for 5% of requests.
Description	The API server returns errors for `{{ $value }}%` of requests for `{{ $labels.verb }} {{ $labels.resource }} {{ $labels.subresource }}`.

KubeClientCertificateExpirationInSevenDays¶

Severity	Warning
Summary	A client certificate expires in 7 days.
Description	A client certificate used to authenticate to the API server expires in less than 7 days.

KubeClientCertificateExpirationInOneDay¶

Severity	Critical
Summary	A client certificate expires in 24 hours.
Description	A client certificate used to authenticate to the API server expires in less than 24 hours.

ContainerScrapeError¶

Severity	Warning
Summary	Failure to get Kubernetes container metrics.
Description	Prometheus was not able to scrape metrics from the container on the `{{ $labels.node }}` Kubernetes node.

KubeAPICertExpirationMajor¶

^{Available since 2.10.0}

Severity	Major
Summary	Kubernetes API certificate will expire in less than 10 days.
Description	The SSL certificate for Kubernetes API will expire in less than 10 days.

KubeAPICertExpirationWarning¶

^{Available since 2.10.0}

Severity	Warning
Summary	Kubernetes API certificate will expire in less than 30 days.
Description	The SSL certificate for Kubernetes API will expire in less than 30 days.

updated: 2021-07-30 16:50

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