ensure controller-gen looks at ./api only

Signed-off-by: Manabu McCloskey <[email protected]>

Makefile

@@ -39,7 +39,7 @@ endif
 
 .PHONY: generate
 generate: controller-gen ## Generate code containing DeepCopy, DeepCopyInto, and DeepCopyObject method implementations.
-	$(CONTROLLER_GEN) object:headerFile="hack/boilerplate.go.txt" paths="./..."
+	$(CONTROLLER_GEN) object:headerFile="hack/boilerplate.go.txt" paths="./api/..."
 
 .PHONY: manifests
 manifests: controller-gen ## Generate WebhookConfiguration, ClusterRole and CustomResourceDefinition objects.