+# Copyright (c) 2020 Huawei Technologies Co., Ltd. All rights reserved. +# frozen_string_literal: true + +require 'logger' + +# define a logger format +class Mylog < Logger + def initialize(filename) + @name = filename + rm_exist? + super(filename) + format + end + + private + + def rm_exist? + if FileTest.exist?(@name) + File.delete(@name) + end
File.delete(@name) if File.exist?(@name)
+ end + + def format + self.datetime_format = '%Y-%m-%d %H:%M:%s' + self.formatter = proc do |severity, datetime, _progname, msg| + msg = if msg.is_a? Exception + ["#{msg.backtrace.first}: #{msg.message.split("\n").first} (#{msg.class.name})", msg.backtrace[1..-1].map { |m| "\tfrom #{m}" }].flatten + else + msg.to_s.split("\n") + end + msg.map { |m| "#{datetime} #{severity} -- #{m}\n" }.join + end + end +end -- 2.23.0