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{{- /*
Generated from 'kubernetes-system' group from https://raw.githubusercontent.com/coreos/kube-prometheus/master/manifests/prometheus-rules.yaml
Do not change in-place! In order to change this file first read following link:
https://github.com/helm/charts/tree/master/stable/prometheus-operator/hack
*/ -}}
{{- $kubeTargetVersion := default .Capabilities.KubeVersion.GitVersion .Values.kubeTargetVersionOverride }}
{{- if and (semverCompare ">=1.14.0-0" $kubeTargetVersion) (semverCompare "<9.9.9-9" $kubeTargetVersion) .Values.defaultRules.create .Values.defaultRules.rules.kubernetesSystem }}
apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
name: {{ printf "%s-%s" (include "prometheus-operator.fullname" .) "kubernetes-system" | trunc 63 | trimSuffix "-" }}
namespace: {{ template "prometheus-operator.namespace" . }}
labels:
app: {{ template "prometheus-operator.name" . }}
{{ include "prometheus-operator.labels" . | indent 4 }}
{{- if .Values.defaultRules.labels }}
{{ toYaml .Values.defaultRules.labels | indent 4 }}
{{- end }}
{{- if .Values.defaultRules.annotations }}
annotations:
{{ toYaml .Values.defaultRules.annotations | indent 4 }}
{{- end }}
spec:
groups:
- name: kubernetes-system
rules:
- alert: KubeVersionMismatch
annotations:
message: There are {{`{{`}} $value {{`}}`}} different semantic versions of Kubernetes components running.
runbook_url: {{ .Values.defaultRules.runbookUrl }}alert-name-kubeversionmismatch
expr: count(count by (gitVersion) (label_replace(kubernetes_build_info{job!~"kube-dns|coredns"},"gitVersion","$1","gitVersion","(v[0-9]*.[0-9]*.[0-9]*).*"))) > 1
for: 15m
labels:
severity: warning
- alert: KubeClientErrors
annotations:
message: Kubernetes API server client '{{`{{`}} $labels.job {{`}}`}}/{{`{{`}} $labels.instance {{`}}`}}' is experiencing {{`{{`}} $value | humanizePercentage {{`}}`}} errors.'
runbook_url: {{ .Values.defaultRules.runbookUrl }}alert-name-kubeclienterrors
expr: |-
(sum(rate(rest_client_requests_total{code=~"5.."}[5m])) by (instance, job)
/
sum(rate(rest_client_requests_total[5m])) by (instance, job))
> 0.01
for: 15m
labels:
severity: warning
{{- end }}
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