From 03471fd86ff358d1e25694323862fa14daefdce8 Mon Sep 17 00:00:00 2001
From: Arunprasad Rajkumar <arajkuma@redhat.com>
Date: Wed, 1 Sep 2021 13:29:29 +0530
Subject: [PATCH] Adjust threshold for SpaceFillingUp warning alert
Reduce threshold of NodeFilesystemSpaceFillingUp warning alert to 20% space available, instead of 40% (default).
This will align the threshold according to default kubelet GC values
below[1],
"imageMinimumGCAge": "2m0s",
"imageGCHighThresholdPercent": 85,
"imageGCLowThresholdPercent": 80,
[1] https://kubernetes.io/docs/reference/config-api/kubelet-config.v1beta1/
Signed-off-by: Arunprasad Rajkumar <arajkuma@redhat.com>
---
jsonnet/kube-prometheus/components/node-exporter.libsonnet | 1 +
1 file changed, 1 insertion(+)
diff --git a/jsonnet/kube-prometheus/components/node-exporter.libsonnet b/jsonnet/kube-prometheus/components/node-exporter.libsonnet
index d59d22e7..2498cc81 100644
--- a/jsonnet/kube-prometheus/components/node-exporter.libsonnet
+++ b/jsonnet/kube-prometheus/components/node-exporter.libsonnet
@@ -28,6 +28,7 @@ local defaults = {
ruleLabels: {},
_config: {
nodeExporterSelector: 'job="' + defaults.name + '"',
+ fsSpaceFillingUpWarningThreshold: 20,
fsSpaceFillingUpCriticalThreshold: 15,
diskDeviceSelector: 'device=~"mmcblk.p.+|nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+|dasd.+"',
runbookURLPattern: 'https://runbooks.prometheus-operator.dev/runbooks/node/%s',
--
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