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ROX-34664: Disable KubePersistentVolumeFillingUp for prometheus #342

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Merged
kurlov merged 1 commit into from
Jun 1, 2026
Merged

ROX-34664: Disable KubePersistentVolumeFillingUp for prometheus #342

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2 changes: 1 addition & 1 deletion resources/mixins/kubernetes/generated/alerts.yml
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5 changes: 3 additions & 2 deletions resources/mixins/kubernetes/mixin.libsonnet
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Original file line number Diff line number Diff line change
Expand Up @@ -69,8 +69,9 @@ kubernetes {
function(rule)
if rule.alert == 'KubePersistentVolumeFillingUp' && rule.labels.severity == 'warning' then
rule {
// Exclude scanner-db PVCs from warning alerts because scanner-db dynamically grows/shrinks.
expr: std.rstripChars(rule.expr, '\n') + '\nunless on(%(clusterLabel)s, namespace, persistentvolumeclaim) kubelet_volume_stats_available_bytes{persistentvolumeclaim=~"scanner-db.*"}\n' % $._config,
// Exclude scanner-db and prometheus PVCs from warning alerts.
// scanner-db and prometheus PVC dynamically grow/shrink. They might fluctuate around warning threshold.
expr: std.rstripChars(rule.expr, '\n') + '\nunless on(%(clusterLabel)s, namespace, persistentvolumeclaim) kubelet_volume_stats_available_bytes{persistentvolumeclaim=~"scanner-db.*|prometheus-data-prometheus-k8s.*"}\n' % $._config,
}
else
rule,
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2 changes: 1 addition & 1 deletion resources/prometheus/generated/kubernetes-mixin-alerts.yaml
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Expand Up @@ -422,7 +422,7 @@ spec:
kube_persistentvolumeclaim_access_mode{namespace!~"openshift-kube.*|openshift-logging|openshift-marketplace|openshift-aws-vpce-operator|openshift-deployment.*|kube.*", access_mode="ReadOnlyMany"} == 1
unless on(cluster, namespace, persistentvolumeclaim)
kube_persistentvolumeclaim_labels{namespace!~"openshift-kube.*|openshift-logging|openshift-marketplace|openshift-aws-vpce-operator|openshift-deployment.*|kube.*",label_excluded_from_alerts="true"} == 1
unless on(cluster, namespace, persistentvolumeclaim) kubelet_volume_stats_available_bytes{persistentvolumeclaim=~"scanner-db.*"}
unless on(cluster, namespace, persistentvolumeclaim) kubelet_volume_stats_available_bytes{persistentvolumeclaim=~"scanner-db.*|prometheus-data-prometheus-k8s.*"}
"for": "1h"
"labels":
"severity": "warning"
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