+ t.add :service_host
+ t.add :service_port
+ t.add :service_ssl_flag
+ t.add :keep_service_uuid
+ end
+ api_accessible :superuser, :extend => :user do |t|
+ t.add :ping_secret
+ end
+
+ def foreign_key_attributes
+ super.reject { |a| a == "filesystem_uuid" }