1 files changed, 26 insertions, 0 deletions
diff --git a/lib/gitlab/background_migration/set_confidential_note_events_on_services.rb b/lib/gitlab/background_migration/set_confidential_note_events_on_services.rb
new file mode 100644
index 00000000000..e5e8837221e
--- /dev/null
+++ b/lib/gitlab/background_migration/set_confidential_note_events_on_services.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+# rubocop:disable Style/Documentation
+
+module Gitlab
+  module BackgroundMigration
+    # Ensures services which previously recieved all notes events continue
+    # to recieve confidential ones.
+    class SetConfidentialNoteEventsOnServices
+      class Service < ActiveRecord::Base
+        self.table_name = 'services'
+
+        include ::EachBatch
+
+        def self.services_to_update
+          where(confidential_note_events: nil, note_events: true)
+        end
+      end
+
+      def perform(start_id, stop_id)
+        Service.services_to_update
+               .where(id: start_id..stop_id)
+               .update_all(confidential_note_events: true)
+      end
+    end
+  end
+end