Merge pull request #1637 from crossplane-contrib/backport-1636-to-rel…

…ease-0.36

[Backport release-0.36] Update setup.go

pkg/controller/kafka/cluster/setup.go

@@ -39,6 +39,7 @@ func SetupCluster(mgr ctrl.Manager, o controller.Options) error {
 	name := managed.ControllerName(svcapitypes.ClusterGroupKind)
 	opts := []option{
 		func(e *external) {
+			e.preObserve = preObserve
 			e.postObserve = postObserve
 			e.preDelete = preDelete
 			e.postDelete = postDelete
@@ -83,6 +84,11 @@ func postDelete(_ context.Context, cr *svcapitypes.Cluster, obj *svcsdk.DeleteCl
 	return err
 }
 
+func preObserve(_ context.Context, cr *svcapitypes.Cluster, obj *svcsdk.DescribeClusterInput) error {
+    obj.ClusterArn = awsclients.String(meta.GetExternalName(cr))
+    return nil
+}
+
 func postObserve(_ context.Context, cr *svcapitypes.Cluster, obj *svcsdk.DescribeClusterOutput, obs managed.ExternalObservation, err error) (managed.ExternalObservation, error) {
 	if err != nil {
 		return managed.ExternalObservation{}, err