架构篇--springboot2.0.X--企业级日志logback配置

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企业级日志配置

springboot2.0.2作为项目架构，日志输出是项目重点项之一，优雅的日志打印给人一种赏心悦目的感觉
线上项目应该完美打印日志，并将日志隔离，易于区分日志种类，方便查找日志内容

pom.xml

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.2.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <!--log-->
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.7.7</version>
        </dependency>
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-parent</artifactId>
            <version>1.2.3</version>
            <type>pom</type>
        </dependency>

application.properties

#log
logging.config=classpath:logback-spring.xml

logback-spring.xml

下面日志的优点在于，日志横向，纵向分级别输出。横向输出为日志debug，info，warn，error级别隔离输出，纵向以时间为单位每日生成新的日子文件。方便开发，支持人员定位问题，减少日志查找事件，定期日志导出备份，保存6个月左右，以防用户翻阅问题。

<?xml version="1.0" encoding="UTF-8" ?>
<configuration scan="true" scanPeriod="10 seconds" debug="false">
    <!-- set env -->
    <property name="LOGDROOT" value="${catalina.home}"/><!--tomcat目录-->
    <property name="APP_NAME" value="XM"/><!--项目名称-->
    <!--日志路径-->
    <property name="DEBUG_LOG_PATH" value="${LOGDROOT}/logs/${APP_NAME}_debug"/>
    <property name="INFO_LOG_PATH" value="${LOGDROOT}/logs/${APP_NAME}_info"/>
    <property name="WARN_LOG_PATH" value="${LOGDROOT}/logs/${APP_NAME}_warn"/>
    <property name="ERROR_LOG_PATH" value="${LOGDROOT}/logs/${APP_NAME}_error"/>
    <property name="DAY_LOG_PATH" value="${LOGDROOT}/logs/${APP_NAME}"/>
     <!--日志输出格式-->  
    <property name="LOG_PATTERN_CONSOLE"
              value="[%d{yyyy-MM-dd HH:mm:ss.SSS} %5p %c:%L] [%thread] [%X{traceId}] %m%n"/>
    <property name="LOG_PATTERN_FILE"
              value="[%d{yyyy-MM-dd HH:mm:ss.SSS} %5p %c:%L] [%thread] [%X{traceId}] %m%n"/>
    <property name="CALC_BILL_LOG_PATTERN_FILE" value="%m%n"/>
    <!--可选节点，控制保留的归档文件的最大数量，超出数量就删除旧文件，假设设置每个月滚动，删除之前的旧文件-->
    <property name="MAXHISTORY" value="30"/>
    <!--设置日志存储最大值-->
    <property name="MAXFILESIZE" value="500MB"/>
    
    <!-- 性能相关 -->
    <property name="PERF_LOG_PATH" value="${LOGDROOT}/logs/${APP_NAME}_perf"/>

    <!-- set context name -->
    <contextName>${APP_NAME}</contextName>

    <!-- console -->
    <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
        <encoder charset="UTF-8">
            <pattern>${LOG_PATTERN_CONSOLE}</pattern>
        </encoder>
    </appender>

    <!-- debug level -->
    <appender name="debug"
              class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!-- file name -->
        <File>${DEBUG_LOG_PATH}.log</File>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!--output file name -->
            <fileNamePattern>${DEBUG_LOG_PATH}.%d{yyyy-MM-dd}.%i.log
            </fileNamePattern>
            <!-- MAXHISTORY days old files will be delete -->
            <maxHistory>${MAXHISTORY}</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy
                    class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>${MAXFILESIZE}</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
        <encoder charset="UTF-8">
            <pattern>${LOG_PATTERN_FILE}</pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>DEBUG</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>

    <!-- info level -->
    <appender name="info"
              class="ch.qos.logback.core.rolling.RollingFileAppender">
        <File>${INFO_LOG_PATH}.log</File>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${INFO_LOG_PATH}.%d{yyyy-MM-dd}.%i.log
            </fileNamePattern>
            <maxHistory>${MAXHISTORY}</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy
                    class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>${MAXFILESIZE}</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
        <encoder charset="UTF-8">
            <pattern>${LOG_PATTERN_FILE}</pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>INFO</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>

    <!-- warn level -->
    <appender name="warn"
              class="ch.qos.logback.core.rolling.RollingFileAppender">
        <File>${WARN_LOG_PATH}.log</File>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${WARN_LOG_PATH}.%d{yyyy-MM-dd}.%i.log
            </fileNamePattern>
            <maxHistory>${MAXHISTORY}</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy
                    class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>${MAXFILESIZE}</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
        <encoder charset="UTF-8">
            <pattern>${LOG_PATTERN_FILE}</pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>WARN</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>

    <!-- error level -->
    <appender name="error"
              class="ch.qos.logback.core.rolling.RollingFileAppender">
        <File>${ERROR_LOG_PATH}.log</File>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${ERROR_LOG_PATH}.%d{yyyy-MM-dd}.%i.log
            </fileNamePattern>
            <maxHistory>${MAXHISTORY}</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy
                    class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>${MAXFILESIZE}</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
        <encoder charset="UTF-8">
            <pattern>${LOG_PATTERN_FILE}</pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>ERROR</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>

    <!-- 每日输出 -->
    <appender name="day_log"
              class="ch.qos.logback.core.rolling.RollingFileAppender">
        <File>${DAY_LOG_PATH}.log</File>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${DAY_LOG_PATH}.%d{yyyy-MM-dd}.%i.log
            </fileNamePattern>
            <maxHistory>${MAXHISTORY}</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy
                    class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>${MAXFILESIZE}</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
        <encoder charset="UTF-8">
            <pattern>${LOG_PATTERN_FILE}</pattern>
        </encoder>
    </appender>

    <!-- 异步输出 -->
    <appender name="dayLogAsyncAppender" class="ch.qos.logback.classic.AsyncAppender">
        <includeCallerData>true</includeCallerData>
        <!-- 不丢失日志.默认的,如果队列的80%已满,则会丢弃TRACT、DEBUG、INFO级别的日志 -->
        <discardingThreshold>0</discardingThreshold>
        <!-- 更改默认的队列的深度,该值会影响性能.默认值为256 -->
        <queueSize>512</queueSize>
        <appender-ref ref="day_log"/>
    </appender>

    <!-- spring -->
    <logger name="org.springframework" level="info"/>

    <logger name="com.dome" level="info" additivity="false">
        <appender-ref ref="error"/>
        <appender-ref ref="warn"/>
        <appender-ref ref="console"/>
    </logger>

    <!-- lookback -->
    <logger name="lookbackLogger" level="info" additivity="false">
        <appender-ref ref="console"/>
        <appender-ref ref="lookbackAppender"/>
    </logger>
    <!-- root -->
    <root level="info">
        <appender-ref ref="info"/>
        <appender-ref ref="warn"/>
        <appender-ref ref="error"/>
        <appender-ref ref="console"/>
    </root>
</configuration>