X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/afd7a019bbeed1f194d6f4fbd2e190eae42ddb86..7f2569f2e9900348dc76b495c9a416fe339593ae:/services/api/app/controllers/arvados/v1/pipeline_instances_controller.rb

diff --git a/services/api/app/controllers/arvados/v1/pipeline_instances_controller.rb b/services/api/app/controllers/arvados/v1/pipeline_instances_controller.rb
index 9781caf7e8..baffda1c99 100644
--- a/services/api/app/controllers/arvados/v1/pipeline_instances_controller.rb
+++ b/services/api/app/controllers/arvados/v1/pipeline_instances_controller.rb
@@ -1,5 +1,15 @@
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
 class Arvados::V1::PipelineInstancesController < ApplicationController
-  accept_attribute_as_json :components_summary, Hash
   accept_attribute_as_json :components, Hash
   accept_attribute_as_json :properties, Hash
+  accept_attribute_as_json :components_summary, Hash
+
+  def cancel
+    reload_object_before_update
+    @object.cancel cascade: params[:cascade]
+    show
+  end
 end