KEP-3619: added 'kubelet_admission_rejections_total' as rollback information metric

everpeace · everpeace · commit b17bd9da3d1e · 2025-10-04T12:21:09.000+09:00
diff --git a/keps/sig-node/3619-supplemental-groups-policy/README.md b/keps/sig-node/3619-supplemental-groups-policy/README.md
@@ -859,12 +859,15 @@ $ kubectl get events -o json -w
 {
     ...
     "kind": "Event",
+    "reason": "SupplementalGroupsPolicyNotSupported",
     "message": "Error: SupplementalGroupsPolicy is not supported in this node.",
     ...
 }
 ...
 ```
 
+So, you can follow `kubelet_admission_rejections_total{reason='SupplementalGroupsPolicyNotSupported'}` metrics to track such events.
+
 Also, the following kubelet metrics are also useful to check:
 
 - `kubelet_running_pods`: Shows the actual number of pods running

Original file line number	Diff line number	Diff line change
`@@ -859,12 +859,15 @@ $ kubectl get events -o json -w`
`859`	`859`	`{`
`860`	`860`	`...`
`861`	`861`	`"kind": "Event",`
	`862`	`+ "reason": "SupplementalGroupsPolicyNotSupported",`
`862`	`863`	`"message": "Error: SupplementalGroupsPolicy is not supported in this node.",`
`863`	`864`	`...`
`864`	`865`	`}`
`865`	`866`	`...`
`866`	`867`	```
`867`	`868`
	`869`	+So, you can follow `kubelet_admission_rejections_total{reason='SupplementalGroupsPolicyNotSupported'}` metrics to track such events.
	`870`	`+`
`868`	`871`	`Also, the following kubelet metrics are also useful to check:`
`869`	`872`
`870`	`873`	- `kubelet_running_pods`: Shows the actual number of pods running