SpringBoot logback从配置中心读取属性

一、前言

这篇文章https://www.jianshu.com/p/9be945a1c318中我详细描述了Spring Boot中如何配置logback日志。在最近的项目中,有这样一个需求:日志信息要使用日志搜集模块进行收集并存入mongodb数据库,所以在日志配置文件中我们必须传入mongodb的配置信息。

二、解决问题

  1. 官网描述

    SpringBoot logback从配置中心读取属性_第1张图片

    根据官网的描述可以得到这样的信息:logback.xml加载早于application.yml,如果直接通过${参数key}的形式获取是无法获取到对应参数值的。解决的方法是:

    <springProperty scope="context" name="mongo.host" source="spring.data.mongodb.host"/>

    source指定的是application.yml配置文件中key,其它地方直接用${mongo.host}引用这个值。但是,相关的属性信息必须放在内部配置文件中,无法从配置中心的配置文件中读取。经过网上收集资料,最后认定可能是这个原因:logback.xml和logback-spring.xml名称为这两个的配置文件,SpringBoot默认为logback的配置文件,那么SpringBoot会在从配置中心获取信息之前就进行加载,这样就会读不到配置中心的属性。

  2. 解决方案
    经过fq搜索,在一个论坛里发现了解决方案:自定义logback配置文件的名称(不是SpringBoot默认的两种名称)并在配置中心指定logback配置文件的位置。这样SpringBoot就不会在获取配置中心的配置前加载日志配置了。经过测试,完美解决问题。

    • 配置中心配置

      
      #mongodb配置
      
      spring.data.mongodb.host=192.168.10.58
      spring.data.mongodb.database=ibase2job
      spring.data.mongodb.port=27017
      
      #日志配置
      
      logging.config=classpath:logback-custom.xml
    • 日志配置logback-custom.xml

      
      <configuration>
      <property name="logRoot" value="D:/logs"/>
      <property name="logModule" value="demo"/>
      
      <springProperty scope="context" name="mongo.host" source="spring.data.mongodb.host"/>
      <springProperty scope="context" name="mongo.port" source="spring.data.mongodb.port"/>
      <springProperty scope="context" name="mongo.database" source="spring.data.mongodb.database"/>
      <appender name="INVOKELOG" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <filter class="ch.qos.logback.core.filter.EvaluatorFilter">
          <evaluator class="ch.qos.logback.classic.boolex.OnMarkerEvaluator">
            <marker>INVOKEmarker>
          evaluator>
          <OnMismatch>DENYOnMismatch>
          <OnMatch>NEUTRALOnMatch>
        filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
          <fileNamePattern>${logRoot}/${logModule}/invokeLog/%d{yyyy-MM-dd}.logfileNamePattern>
        rollingPolicy>
        <encoder>
           <pattern>%d{yyyy-MM-dd HH:mm:ss.SSSS} [requestUrl: %X{REQUESTURI}] [methodName: %X{MNAME}] [args: %X{ARGS}] [userId: %X{UID}] [ip: %X{CLIENTID}] [%thread] %logger - %msg%npattern>
        encoder>
      appender>
      <appender name="EXECSQLOG" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <filter class="ch.qos.logback.core.filter.EvaluatorFilter">
          <evaluator class="ch.qos.logback.classic.boolex.OnMarkerEvaluator">
            <marker>SQLmarker>
          evaluator>
          <OnMismatch>DENYOnMismatch>
          <OnMatch>NEUTRALOnMatch>
        filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
          <fileNamePattern>${logRoot}/${logModule}/execsqlLog/%d{yyyy-MM-dd}.logfileNamePattern>
        rollingPolicy>
        <encoder>
          <pattern>%d{yyyy-MM-dd HH:mm:ss.SSSS} [methodName: %X{MNAME}] [args: %X{ARGS}] [sql: %X{SQL}] [table: %X{TABLE}] [userId: %X{UID}] [ip: %X{CLIENTID}] [%thread] %logger - %msg%npattern>
        encoder>
      appender>
      <appender name="EXCEPTIONLOG" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <filter class="ch.qos.logback.core.filter.EvaluatorFilter">
          <evaluator class="ch.qos.logback.classic.boolex.OnMarkerEvaluator">
            <marker>EXCEPTIONmarker>
          evaluator>
          <OnMismatch>DENYOnMismatch>
          <OnMatch>NEUTRALOnMatch>
        filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
          <fileNamePattern>${logRoot}/${logModule}/exceptionLog/%d{yyyy-MM-dd}.logfileNamePattern>
        rollingPolicy>
        <encoder>
          <pattern>%d{yyyy-MM-dd HH:mm:ss.SSSS} [marker: %marker] [requestUrl: %X{REQUESTURI}] [methodName: %X{MNAME}] [args: %X{ARGS}] [userId: %X{UID}] [ip: %X{CLIENTID}] [%thread] %logger - %msg%n %expattern>
        encoder>
      appender>
      <appender name="PERFORMANCELOG" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <filter class="ch.qos.logback.core.filter.EvaluatorFilter">
          <evaluator class="ch.qos.logback.classic.boolex.OnMarkerEvaluator">
            <marker>PERFORMANCEmarker>
          evaluator>
          <OnMismatch>DENYOnMismatch>
          <OnMatch>NEUTRALOnMatch>
        filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
          <fileNamePattern>${logRoot}/${logModule}/performanceLog/%d{yyyy-MM-dd}.logfileNamePattern>
        rollingPolicy>
        <encoder>
          <pattern>%d{yyyy-MM-dd HH:mm:ss.SSSS} [marker: %marker] [requestUrl: %X{REQUESTURI}] [methodName: %X{MNAME}]  [args: %X{ARGS}]  [userId: %X{UID}] [ip: %X{CLIENTID}] [%thread] [elapseTime: %X{ELAPSETIME}] %logger - %msg%npattern>
        encoder>
      appender>
      
      <appender name="JOBSCHEDULELOG" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <filter class="ch.qos.logback.core.filter.EvaluatorFilter">
          <evaluator class="ch.qos.logback.classic.boolex.OnMarkerEvaluator">
            <marker>JOBSCHEDULEmarker>
          evaluator>
          <OnMismatch>DENYOnMismatch>
          <OnMatch>NEUTRALOnMatch>
        filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
          <fileNamePattern>${logRoot}/${logModule}/jobscheduleLog/%d{yyyy-MM-dd}.logfileNamePattern>
        rollingPolicy>
        <encoder>
          <pattern>%d{yyyy-MM-dd HH:mm:ss.SSSS}  [marker: %marker]  [jobID: %X{JOBID}]  [jobStartTime: %X{JOBSTARTTIME}]  [jobRunTime: %X{JOBRUNTIME}] [jobRunResult: %X{JOBRUNRESULT}]   %logger - %msg%npattern>
        encoder>
      appender>
      
      
      <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
            
          <file>${logRoot}/${logModule}/errorLog/%d{yyyy-MM-dd}.logfile>
            
          <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
                
              <fileNamePattern>${logRoot}/${logModule}/errorLog/%d{yyyy-MM-dd}.log.zipfileNamePattern>
                
                <maxHistory>5maxHistory>
          rollingPolicy>
            
          <encoder>
              <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} -%msg [%file:%line] %npattern>
          encoder>
      appender>
      
      
      <appender name="MONGO_INVOKE" class="com.simon.logstatistics.service.MongoDBAppender">
         <filter class="ch.qos.logback.core.filter.EvaluatorFilter">
               <evaluator class="ch.qos.logback.classic.boolex.OnMarkerEvaluator">
                   <marker>INVOKEmarker>
               evaluator>
               <OnMismatch>DENYOnMismatch>
               <OnMatch>NEUTRALOnMatch>
           filter>
          <host>${mongo.host}host>
          <port>${mongo.port}port>
          <dbName>${mongo.database}dbName>
          <collectionName>log_invokecollectionName>
      appender>
      
      
      <logger name="com.simon.logstatistics.service" level="INFO">
          <appender-ref ref="INVOKELOG" />
          <appender-ref ref="EXCEPTIONLOG" />
          <appender-ref ref="PERFORMANCELOG" />
          <appender-ref ref="EXECSQLOG" />
          <appender-ref ref="JOBSCHEDULELOG" />
          <appender-ref ref="MONGO_INVOKE" />
      logger>
      
      
      <root level="INFO">
          <appender-ref ref="FILE" />
      root>
      configuration>

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