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add prometheus rule for OOMKilled pods #800

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add prometheus rule for OOMKilled pods #800

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f7d5666
add prometheus rule for OOMKilled pods
davidspek Oct 20, 2022
b48aa81
Update alerts/apps_alerts.libsonnet
davidspek Oct 27, 2022
8ec54dc
Update alerts/apps_alerts.libsonnet
davidspek Oct 27, 2022
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18 changes: 18 additions & 0 deletions alerts/apps_alerts.libsonnet
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,24 @@
'for': '15m',
alert: 'KubePodCrashLooping',
},
{
expr: |||
(
kube_pod_container_status_last_terminated_reason{reason="OOMKilled", %(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s} == 1
) and on(pod) (
increase(kube_pod_container_status_restarts_total{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}[5m]) > 0
)
||| % $._config,
labels: {
severity: 'warning',
},
annotations: {
description: 'Pod {{ $labels.namespace }}/{{ $labels.pod }} ({{ $labels.container }}) was OOMKilled',
summary: 'Pod was OOMKilled.',
},
'for': '15m',
alert: 'KubePodOOMKilled',
},
{
// We wrap kube_pod_owner with the topk() aggregator to ensure that
// every (namespace, pod, %(clusterLabel)s) tuple is unique even if the "owner_kind"
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