iot/src/main/resources/logback-spring.xml

<configuration>
    <!-- 变量 -->
    <springProperty scope="context" name="yudao.info.base-package" source="yudao.info.base-package"/>
    <property name="PATTERN_DEFAULT" value="%d{yyyy-MM-dd HH:mm:ss.SSS} | %tid | %thread | %-5level | %msg%n"/>

    <!-- 控制台 Appender -->
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">　　　　　
        <encoder class="ch.qos.logback.core.encoder.LayoutWrappingEncoder">
            <layout class="org.apache.skywalking.apm.toolkit.log.logback.v1.x.TraceIdPatternLogbackLayout">
                <pattern>${PATTERN_DEFAULT}</pattern>
            </layout>
        </encoder>
    </appender>

    <!-- 文件 Appender -->
    <appender name="FILE"  class="ch.qos.logback.core.rolling.RollingFileAppender">
        <encoder class="ch.qos.logback.core.encoder.LayoutWrappingEncoder">
            <layout class="org.apache.skywalking.apm.toolkit.log.logback.v1.x.TraceIdPatternLogbackLayout">
                <pattern>${PATTERN_DEFAULT}</pattern>
            </layout>
        </encoder>
        <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
            <fileNamePattern>${LOG_FILE}.%d{yyyy-MM-dd}.%i.log}</fileNamePattern>
            <maxFileSize>10MB</maxFileSize>
            <maxHistory>7</maxHistory>
            <cleanHistoryOnStart>false</cleanHistoryOnStart>
        </rollingPolicy>
    </appender>
    <appender name="ASYNC" class="ch.qos.logback.classic.AsyncAppender">
        <discardingThreshold>0</discardingThreshold>
        <queueSize>10</queueSize>
        <appender-ref ref="FILE"/>
    </appender>

    <!-- SkyWalking GRPC 日志收集，实现日志中心。注意：SkyWalking 8.4.0 版本开始支持 -->
    <appender name="GRPC" class="org.apache.skywalking.apm.toolkit.log.logback.v1.x.log.GRPCLogClientAppender">
        <encoder class="ch.qos.logback.core.encoder.LayoutWrappingEncoder">
            <layout class="org.apache.skywalking.apm.toolkit.log.logback.v1.x.mdc.TraceIdMDCPatternLogbackLayout">
                <pattern>${PATTERN_DEFAULT}</pattern>
            </layout>
        </encoder>
    </appender>

    <!-- 本地环境 -->
    <springProfile name="local">
        <logger name="${yudao.info.base-package}" level="INFO" additivity="false">
            <appender-ref ref="STDOUT"/>
            <appender-ref ref="GRPC"/>
            <appender-ref ref="ASYNC"/>
            <!-- 本地环境下，不打印日志文件 -->
        </logger>
    </springProfile>
    <!-- 其它环境 -->
    <springProfile name="default">
        <logger name="${yudao.info.base-package}" level="INFO" additivity="false">
            <appender-ref ref="STDOUT"/>
            <appender-ref ref="ASYNC"/>
            <appender-ref ref="GRPC"/>
        </logger>
    </springProfile>

</configuration>