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Log Factory. mix together log4go,logrus and zap, not only that,loggerX will also give you more creativity

Home Page: https://www.yuque.com/tal-tech/loggerx

License: Apache License 2.0

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go logger log4go logrus zap log-service

loggerx's Introduction

loggerX 日志组件库

[开发文档]

​ 日志作为整个代码行为的记录,是程序执行逻辑和异常最直接的反馈 ,xesLogger日志组件,插件化支持,支持标准输出和高性能磁盘写入,多样化的配置方式,使用起来简单方便,7个日志级别满足项目中各种需求。

1.下载安装

go get -u github.com/tal-tech/loggerX 

2.main函数中初始化logger:

  • 使用xml配置文件:
    logger.InitLogger("conf/log.xml")  //xml配置地址  
    defer logger.Close() 
    • log.xml配置文件示例:

       xxxxxxxxxx <logging>    <filter enabled="false">         <tag>stdout</tag>           <!-- 控制台输出日志 -->        <type>console</type>             <!-- level is (:?FINEST|FINE|DEBUG|TRACE|INFO|WARNING|ERROR) -->        <level>DEBUG</level>        <!-- 日志级别 -->    </filter>    <filter enabled="true">        <!-- 文件输出日志 -->        <tag>goentry</tag>                <type>file_trace</type>          <level>INFO</level>           <!-- 日志存储路径 -->         <property name="filename">/home/logs/xeslog/teacherpanel/teacherpanel.log</property>         <!--        %T - Time (15:04:05 MST) 时间格式        %t - Time (15:04)        %D - Date (2006/01/02)   日期格式        %d - Date (01/02/06)        %L - Level (FNST, FINE, DEBG, TRAC, WARN, EROR, CRIT)  打印级别        %S - Source          %M - Message        It ignores unknown format strings (and removes them)        Recommended: "[%D %T] [%L] (%S) %M"        -->        <!-- 格式化输出日志 -->         <property name="format">%G %L %S %M</property>        <property name="rotate">true</property> <!-- true enables log rotation, otherwise append --> <property name="maxsize">0M</property> <!-- \d+[KMG]? Suffixes are in terms of 2**10 -->        <property name="maxlines">0K</property> <!-- \d+[KMG]? Suffixes are in terms of thousands -->        <property name="daily">true</property> <!-- Automatically rotates when a log message is written after midnight -->    </filter></logging>
  • 使用自定义配置:
       config := logger.NewLogConfig()
       config.Level="WARNING"  //更新其他配置     
       logger.InitLogWithConfig(config)  
       defer logger.Close() 
    • 配置说明:

         config格式及默认值 
         //存储路径  默认值 /home/logs/xeslog/default/default.log
         LogPath string  
         //日志级别  默认值 INFO   
         Level string  
         //日志标签 多日志时使用  默认值 default  
         Tag string    
         //日志格式  默认值  "%G %L %S %M"  G=>isoTime L=>level  S=>source  M=>msg    
         Format string  
         //最大行数切割  默认值  0K  支持K\M\G\k\m\g 单位1000  
         RotateLines string  
         //最大容量切割  默认值  0M  支持K\M\G\k\m\g 单位1024  
         RotateSize string  
         //按日期切割   默认值 true  
         RotateDaily bool   
    • 使用ini配置:
        logMap := confutil.GetConfStringMap("log")  //通过配置文件转为map[string]string     
         config := logger.NewLogConfig()
         config.SetConfigMap(logMap)    
         logger.InitLogWithConfig(config)   
         defer logger.Close() 
      • ini文件配置内容:

           //指定字段更新,不指定使用默认值    
           [log]      
           LogPath=/home/logs/xeslog/logpath/log.log   
           Level=DEBUG   
           RotateSize=2G   
           RotateDaily=false 

3.打印日志方法

  • 支持不同级别打印日志的方法:
logger.I(tag string, args interface{}, v ...interface{})  
logger.T(tag string, args interface{}, v ...interface{})  
logger.D(tag string, args interface{}, v ...interface{})  
logger.W(tag string, args interface{}, v ...interface{})  
logger.E(tag string, args interface{}, v ...interface{})  
logger.C(tag string, args interface{}, v ...interface{})  
logger.F(tag string, args interface{}, v ...interface{})  //级别同CRITICAL,但触发panic  
logger.Ix(ctx context.Context, tag string, args interface{}, v ...interface{})  
logger.Tx(ctx context.Context, tag string, args interface{}, v ...interface{})  
logger.Dx(ctx context.Context, tag string, args interface{}, v ...interface{})  
logger.Wx(ctx context.Context, tag string, args interface{}, v ...interface{})   
logger.Ex(ctx context.Context, tag string, args interface{}, v ...interface{})  
  • 使用用例:
logger.I("TESTFUNCTAG","data save to mysql, uid:%d ,name:%s",100,"学生1")   
logger.Ix(ctx,"TESTFUNCTAG","data save to mysql, uid:%d ,name:%s",100,"学生1")  
logger.E("TESTFUNCTAG","get redis error:%v, uid:%d ,name:%s",err,100,"学生1")   
logger.Ex(ctx,"TESTFUNCTAG","get redis error:%v, uid:%d ,name:%s",err,100,"学生1")
  • 支持携带ctx的打印方法:
每次调用携带全局变量支持log特殊需求如链路追踪等     
默认支持两个特性//一次请求开始时写入   
ctx = context.WithValue(ctx, "logid", id)   //id类型string,通过id区分一次完整请求的所有日志      
ctx = context.WithValue(ctx, "start", time.Now())   //每条日志会计算出相对接口开始时间耗时     
  • 其他
日志支持接入网校链路追踪系统,使用参考example目录

4.生成error

调用logger.NewError("error",SYSTEM_DEFAULT)
func NewError(err interface{}, ext ...XesError)       
//err传参支持string,error类型(会自动解析rpc server错误),表示错误根本原因    
//ext XesError,Xes错误码,对外输出错误信息,不传默认系统异常    
type XesError struct {        
    Code int    
    Msg  string    
} 
  • 其他参考
error_test.go

5.日志插件

​ 在我们其它的日志组件中,内部打印日志的方式为 logger.X 的方式,默认引入xesLogger日志库实例进行打印,若您的项目中采用其它的日志库,可以使用以下方式引入您的日志库。

  • 支持引入logrus实例

    //支持logrus日志库使用LoggerX接口格式打印日志 log为logrus全局实例
    	logger.AccessLogLib("logrus", log)
  • 支持引入zap实例

    //支持Zap日志库使用LoggerX接口格式打印日志 log为zap全局实例
    	logger.AccessLogLib("zap", log)
    
  • 若现有日志格式不符合预期

    参考builders目录下builder文件,实现打印日志接口中LoggerX与Build方法即可。
    
  • 使用参考

    日志支持接入其他日志库实例,请参考example目录 accessLogLibDemo.go中的demo
    

6.注意事项:

  • logger库是并发不安全的,所以全局只能有一个实例。在写单元测时,有可能会多次初始化,此时一定要在包测试完之后进行logger.Close()操作。否则可能会出现如下错误
   FileLogTraceWriter("/xxx/xxx.log"): Rotate: rename /xxx/xxx.log.1: no such file or dircotry\n
  • logger库初始化的时候会先进行一次关闭操作,如果在init方法中使用的logger日志打印,数据写入channel,main函数初始化时进行关闭channel操作时会造成panic。

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