[why] records run logs 1. easy debugging 2. the log will be upload to result_root in the fulture

[how] custom format of log like this: 2021-01-22 10:11:15 +0800 INFO -- SCHED_HOST: 3000

in this way, user can perceived message when error occurred

Signed-off-by: Xiao Shenwei xiaoshenwei96@163.com --- providers/libvirt/lib/mylog.rb | 35 ++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 providers/libvirt/lib/mylog.rb

diff --git a/providers/libvirt/lib/mylog.rb b/providers/libvirt/lib/mylog.rb new file mode 100644 index 0000000..141dd80 --- /dev/null +++ b/providers/libvirt/lib/mylog.rb @@ -0,0 +1,35 @@ +# SPDX-License-Identifier: MulanPSL-2.0+ +# 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 + 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