X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/4f03b29b3efb42a48c3f397942d5b618b89390eb..e2f3f8e7347a8ded697d3c0127f82325d672e7ab:/services/api/app/models/pipeline_instance.rb

diff --git a/services/api/app/models/pipeline_instance.rb b/services/api/app/models/pipeline_instance.rb
index f84c4a310f..75903ca7d0 100644
--- a/services/api/app/models/pipeline_instance.rb
+++ b/services/api/app/models/pipeline_instance.rb
@@ -100,6 +100,33 @@ class PipelineInstance < ArvadosModel
     self.where("state = 'RunningOnServer'")
   end
 
+  def cancel(cascade: false, need_transaction: true)
+    if need_transaction
+      ActiveRecord::Base.transaction do
+        cancel(cascade: cascade, need_transaction: false)
+      end
+      return
+    end
+
+    if self.state.in?([RunningOnServer, RunningOnClient])
+      self.state = Paused
+      self.save!
+    elsif self.state != Paused
+      raise InvalidStateTransitionError
+    end
+
+    return if !cascade
+
+    # cancel all child jobs
+    children = self.components.andand.collect{|_, c| c['job']}.compact.collect{|j| j['uuid']}.compact
+
+    return if children.empty?
+
+    Job.where(uuid: children, state: [Job::Queued, Job::Running]).each do |job|
+      job.cancel(cascade: cascade, need_transaction: false)
+    end
+  end
+
   protected
   def bootstrap_components
     if pipeline_template and (!components or components.empty?)