mod_storage_s3: Fix storing archives for host itself (e.g. mod_audit) Fixes error due to path constructor trying to do string.gsub(nil) with missing username or with fields.

module:set_global();

local log = _G.log;

module:add_timer(60-os.date("%S"), function (now)
	log("info", "-- MARK --");
	return 90 - ((now + 30) % 60);
end);