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# Generated from 'kubernetes-resources' group from https://raw.githubusercontent.com/coreos/prometheus-operator/master/contrib/kube-prometheus/manifests/prometheus-rules.yaml
{{- if and .Values.defaultRules.create }}
apiVersion: {{ printf "%s/v1" (.Values.prometheusOperator.crdApiGroup | default "monitoring.coreos.com") }}
kind: PrometheusRule
metadata:
name: {{ printf "%s-%s" (include "prometheus-operator.fullname" .) "kubernetes-resources" | trunc 63 | trimSuffix "-" }}
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-resources
rules:
- alert: KubeCPUOvercommit
annotations:
message: Cluster has overcommitted CPU resource requests for Pods and cannot tolerate node failure.
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubecpuovercommit
expr: |-
sum(namespace_name:kube_pod_container_resource_requests_cpu_cores:sum)
/
sum(node:node_num_cpu:sum)
>
(count(node:node_num_cpu:sum)-1) / count(node:node_num_cpu:sum)
for: 5m
labels:
severity: warning
- alert: KubeMemOvercommit
annotations:
message: Cluster has overcommitted memory resource requests for Pods and cannot tolerate node failure.
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubememovercommit
expr: |-
sum(namespace_name:kube_pod_container_resource_requests_memory_bytes:sum)
/
sum(node_memory_MemTotal_bytes)
>
(count(node:node_num_cpu:sum)-1)
/
count(node:node_num_cpu:sum)
for: 5m
labels:
severity: warning
- alert: KubeCPUOvercommit
annotations:
message: Cluster has overcommitted CPU resource requests for Namespaces.
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubecpuovercommit
expr: |-
sum(kube_resourcequota{job="kube-state-metrics", type="hard", resource="requests.cpu"})
/
sum(node:node_num_cpu:sum)
> 1.5
for: 5m
labels:
severity: warning
- alert: KubeMemOvercommit
annotations:
message: Cluster has overcommitted memory resource requests for Namespaces.
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubememovercommit
expr: |-
sum(kube_resourcequota{job="kube-state-metrics", type="hard", resource="requests.memory"})
/
sum(node_memory_MemTotal_bytes{job="node-exporter"})
> 1.5
for: 5m
labels:
severity: warning
- alert: KubeQuotaExceeded
annotations:
message: Namespace {{`{{ $labels.namespace }}`}} is using {{`{{ printf "%0.0f" $value }}`}}% of its {{`{{ $labels.resource }}`}} quota.
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubequotaexceeded
expr: |-
100 * kube_resourcequota{job="kube-state-metrics", type="used"}
/ ignoring(instance, job, type)
(kube_resourcequota{job="kube-state-metrics", type="hard"} > 0)
> 90
for: 15m
labels:
severity: warning
- alert: CPUThrottlingHigh
annotations:
message: '{{`{{ printf "%0.0f" $value }}`}}% throttling of CPU in namespace {{`{{ $labels.namespace }}`}} for container {{`{{ $labels.container_name }}`}} in pod {{`{{ $labels.pod_name }}`}}.'
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-cputhrottlinghigh
expr: "100 * sum(increase(container_cpu_cfs_throttled_periods_total{}[5m])) by (container_name, pod_name, namespace) \n / \nsum(increase(container_cpu_cfs_periods_total{}[5m])) by (container_name, pod_name, namespace)\n > 25"
for: 15m
labels:
severity: warning
{{- end }}
|
