From 1586dcd04328c6c2936821ebf817b2a0f9bae4e6 Mon Sep 17 00:00:00 2001
From: Jingyi Hu <jingyih@google.com>
Date: Fri, 30 Aug 2024 22:37:33 +0000
Subject: [PATCH] tool: mark resourceID field as immutable in template

---
 dev/tools/controllerbuilder/template/apis/types.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dev/tools/controllerbuilder/template/apis/types.go b/dev/tools/controllerbuilder/template/apis/types.go
index 003065bb78d..a83e7d7d9ec 100644
--- a/dev/tools/controllerbuilder/template/apis/types.go
+++ b/dev/tools/controllerbuilder/template/apis/types.go
@@ -40,6 +40,8 @@ var {{ .Kind }}GVK = GroupVersion.WithKind("{{ .Kind }}")
 // +kcc:proto={{ .KindProtoTag }}
 {{- end }}
 type {{ .Kind }}Spec struct {
+	// +kubebuilder:validation:XValidation:rule="self == oldSelf",message="ResourceID is immutable"
+	// Immutable.
 	// The {{ .Kind }} name. If not given, the metadata.name will be used.
 	// + optional
 	ResourceID *string ` + "`" + `json:"resourceID,omitempty"` + "`" + `