Return 422 for package copy when image registry is used

[#175023018] https://www.pivotaltracker.com/story/show/175023018

Authored-by: Sannidhi Jalukar <sjalukar@pivotal.io>

Author: Sannidhi Jalukar

app/controllers/v3/packages_controller.rb

@@ -161,6 +161,8 @@ def create_fresh
   end
 
   def create_copy
+    unprocessable!('Unable to copy package when an image registry is used to store packages') if VCAP::CloudController::Config.config.package_image_registry_configured?
+
     app_guid = JSON.parse(request.body).deep_symbolize_keys.dig(:relationships, :app, :data, :guid)
     destination_app = AppModel.where(guid: app_guid).eager(:space, :organization).first
     unprocessable_app! unless destination_app &&

spec/unit/controllers/v3/packages_controller_spec.rb

@@ -1297,6 +1297,19 @@
         allow_user_write_access(user, space: destination_space)
       end
 
+      context 'when the package is stored in an image registry' do
+        before do
+          TestConfig.override({ packages: { image_registry: { base_path: 'hub.example.com/user' } } })
+        end
+
+        it 'returns 422' do
+          post :create, params: { source_guid: original_package.guid }.merge(relationship_request_body), as: :json
+
+          expect(response.status).to eq 422
+          expect(response.body).to include('UnprocessableEntity')
+        end
+      end
+
       it 'returns a 201 and the response' do
         expect(target_app_model.packages.count).to eq(0)