X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/f3658ececac430166ee9766be1deee6a61153d0f..21598295f38998d8028aaa117f192de6b5758808:/apps/workbench/app/models/pipeline_instance.rb

diff --git a/apps/workbench/app/models/pipeline_instance.rb b/apps/workbench/app/models/pipeline_instance.rb
index f54b9f0c00..b6e0ef17ae 100644
--- a/apps/workbench/app/models/pipeline_instance.rb
+++ b/apps/workbench/app/models/pipeline_instance.rb
@@ -13,7 +13,7 @@ class PipelineInstance < ArvadosBase
       template = if lookup and lookup[self.pipeline_template_uuid]
                    lookup[self.pipeline_template_uuid]
                  else
-                   PipelineTemplate.where(uuid: self.pipeline_template_uuid).first
+                   PipelineTemplate.find?(self.pipeline_template_uuid) if self.pipeline_template_uuid
                  end
       if template
         template.name
@@ -132,8 +132,12 @@ class PipelineInstance < ArvadosBase
     end
   end
 
-  def work_unit label
-    PipelineInstanceWorkUnit.new(self, label || self.name)
+  def work_unit(label=nil)
+    PipelineInstanceWorkUnit.new(self, label || self.name, self.uuid)
+  end
+
+  def cancel
+    arvados_api_client.api "pipeline_instances/#{self.uuid}/", "cancel", {"cascade" => true}
   end
 
   private