Merge branch '8784-dir-listings'

[arvados.git] / 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 f84c4a310fd19904f4f5f85cdbea23a4c0b83770..55efa0ae85b4e79d8a88d2d5d99ead15abb6b5b7 100644 (file)
--- a/services/api/app/models/pipeline_instance.rb
+++ b/services/api/app/models/pipeline_instance.rb
@@ -1,3 +1,7 @@
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
 class PipelineInstance < ArvadosModel
   include HasUuid
   include KindAndEtag
@@ -38,6 +42,10 @@ class PipelineInstance < ArvadosModel
      (Complete = 'Complete'),
     ]
 
+  def self.limit_index_columns_read
+    ["components"]
+  end
+
   # if all components have input, the pipeline is Ready
   def components_look_ready?
     if !self.components || self.components.empty?
@@ -100,6 +108,33 @@ 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?)