added check to validate field for update

Author: rkurduka

apis/v1alpha1/ack-generate-metadata.yaml

@@ -1,5 +1,5 @@
 ack_generate_info:
-  build_date: "2024-03-05T06:14:37Z"
+  build_date: "2024-03-06T08:51:16Z"
   build_hash: c2165b65565ab3a094cfb474c4396f4d14c7ef1e
   go_version: go1.21.6
   version: v0.31.0

pkg/resource/model/sdk.go

@@ -1,3 +1,13 @@
+// checking if any delta is found other than tags
+if len(delta.Differences) > 0 {
+	if delta.DifferentExcept("Spec.Tags") {	
+		for _, parts := range delta.Differences {
+			if !parts.Path.Contains("Tags") {
+				return nil, fmt.Errorf("cannot update the following fields: %s , Allowed field to change: Spec.Tags", parts.Path)
+			}
+		}
+	}
+}
 // this to handle delete/remove tags 
 _ , err = rm.deleteTags(ctx,desired,latest)
 if err != nil {