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Wei Weng · Wei Weng · commit d06eec8fdc68 · 2025-12-05T20:53:14.000Z
Signed-off-by: Wei Weng &lt;Wei.Weng@microsoft.com&gt;
diff --git a/pkg/webhook/readiness.go b/pkg/webhook/readiness.go
@@ -38,6 +38,8 @@ func ResourceInformerReadinessChecker(resourceInformer informer.Manager) func(*h
 		// Require ALL informer caches to be synced before marking ready
 		allResources := resourceInformer.GetAllResources()
 		if len(allResources) == 0 {
+			// This can happen during startup when the ResourceInformer is created but the ChangeDetector
+			// hasn't discovered and registered any resources yet via AddDynamicResources().
 			return fmt.Errorf("resource informer not ready: no resources registered")
 		}
 

Original file line number	Diff line number	Diff line change
`@@ -38,6 +38,8 @@ func ResourceInformerReadinessChecker(resourceInformer informer.Manager) func(*h`
`38`	`38`	`// Require ALL informer caches to be synced before marking ready`
`39`	`39`	`allResources := resourceInformer.GetAllResources()`
`40`	`40`	`if len(allResources) == 0 {`
	`41`	`+ // This can happen during startup when the ResourceInformer is created but the ChangeDetector`
	`42`	`+ // hasn't discovered and registered any resources yet via AddDynamicResources().`
`41`	`43`	`return fmt.Errorf("resource informer not ready: no resources registered")`
`42`	`44`	`}`
`43`	`45`