From a6ffefc73f65e0662a976b713785e0134b64cbb1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matija=20=C4=8Cupi=C4=87?= <matteeyah@gmail.com>
Date: Wed, 19 Sep 2018 18:54:54 +0200
Subject: Schedule background migration

---
 ...0916014356_populate_external_pipeline_source.rb | 33 ++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 db/post_migrate/20180916014356_populate_external_pipeline_source.rb

diff --git a/db/post_migrate/20180916014356_populate_external_pipeline_source.rb b/db/post_migrate/20180916014356_populate_external_pipeline_source.rb
new file mode 100644
index 00000000000..5577d05cf40
--- /dev/null
+++ b/db/post_migrate/20180916014356_populate_external_pipeline_source.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class PopulateExternalPipelineSource < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  # Set this constant to true if this migration requires downtime.
+  DOWNTIME = false
+  MIGRATION = 'PopulateExternalPipelineSource'.freeze
+  BATCH_SIZE = 500
+
+  disable_ddl_transaction!
+
+  class Pipeline < ActiveRecord::Base
+    include EachBatch
+    self.table_name = 'ci_pipelines'
+  end
+
+  def up
+    Pipeline.where(source: nil).tap do |relation|
+      queue_background_migration_jobs_by_range_at_intervals(relation,
+                                                            MIGRATION,
+                                                            5.minutes,
+                                                            batch_size: BATCH_SIZE)
+    end
+  end
+
+  def down
+    # noop
+  end
+end
-- 
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