1 files changed, 30 insertions, 0 deletions
diff --git a/lib/gitlab/database/postgresql_adapter/force_disconnectable_mixin.rb b/lib/gitlab/database/postgresql_adapter/force_disconnectable_mixin.rb
new file mode 100644
index 00000000000..9f664fa2137
--- /dev/null
+++ b/lib/gitlab/database/postgresql_adapter/force_disconnectable_mixin.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Database
+    module PostgresqlAdapter
+      module ForceDisconnectableMixin
+        extend ActiveSupport::Concern
+
+        prepended do
+          set_callback :checkin, :after, :force_disconnect_if_old!
+        end
+
+        def force_disconnect_if_old!
+          if force_disconnect_timer.expired?
+            disconnect!
+            reset_force_disconnect_timer!
+          end
+        end
+
+        def reset_force_disconnect_timer!
+          force_disconnect_timer.reset!
+        end
+
+        def force_disconnect_timer
+          @force_disconnect_timer ||= ConnectionTimer.starting_now
+        end
+      end
+    end
+  end
+end