log4j

依赖引入

<dependency>
    <groupId>org.apache.skywalking</groupId>
    <artifactId>apm-toolkit-log4j-1.x</artifactId>
    <version>8.4.0</version>
</dependency>

log4j2

依赖引入

<dependency>
    <groupId>org.apache.skywalking</groupId>
    <artifactId>apm-toolkit-log4j-2.x</artifactId>
    <version>8.4.0</version>
</dependency>

配置 log4j2.xml

<Configuration status="debug">
    <Appenders>
        <!-- 控制台输出 -->
        <Console name="Console" target="SYSTEM_OUT">
            <PatternLayout pattern="%d [%traceId] %-5p %c{1}:%L - %m%n"/>
        </Console>
        <!-- skywalking grpc 日志收集 8.4.0版本开始支持 -->
        <GRPCLogClientAppender name="grpc-log">
            <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
        </GRPCLogClientAppender>
    </Appenders>
    <Loggers>
        <logger name="com.a.eye.skywalking.ui" level="debug" additivity="false">
            <AppenderRef ref="Console"/>
            <AppenderRef ref="grpc-log"/>
        </logger>
        <logger name="org.apache.kafka" level="INFO"></logger>
        <logger name="org.apache.skywalking.apm.dependencies" level="INFO"></logger>
        <Root level="debug">
            <AppenderRef ref="Console"/>
            <AppenderRef ref="grpc-log"/>
        </Root>
    </Loggers>
</Configuration>

Logback

依赖引入

<dependency>
    <groupId>org.apache.skywalking</groupId>
    <artifactId>apm-toolkit-logback-1.x</artifactId>
    <version>8.4.0</version>
</dependency>

配置 logback.xml

<configuration>　　
    <!-- 控制台输出 -->
    <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>%d{yyyy-MM-dd HH:mm:ss.SSS} [%tid] [%thread] %-5level %logger{36} -%msg%n</Pattern>
            </layout>
        </encoder>
    </appender>
    <! -- 配置异步记录 AsyncAppender -->
    <appender name="ASYNC" class="ch.qos.logback.classic.AsyncAppender">
        <discardingThreshold>0</discardingThreshold>
        <queueSize>1024</queueSize>
        <neverBlock>true</neverBlock>
        <appender-ref ref="STDOUT"/>
    </appender>
    <!-- skywalking grpc 日志收集 8.4.0版本开始支持 -->
    <appender name="grpc-log" 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>%d{yyyy-MM-dd HH:mm:ss.SSS} [%tid] [%thread] %-5level %logger{36} -%msg%n</Pattern>
            </layout>
        </encoder>
    </appender>

    <!--系统操作日志-->
    <root level="DEBUG">　　
        <appender-ref ref="STDOUT"/>　
        <appender-ref ref="ASYNC"/>　
        <appender-ref ref="grpc-log"/>
    </root>
</configuration>

修改agent配置文件：

skywalking/agent/config/agent.config

plugin.toolkit.log.grpc.reporter.server_host=${SW_GRPC_LOG_SERVER_HOST:127.0.0.1}
plugin.toolkit.log.grpc.reporter.server_port=${SW_GRPC_LOG_SERVER_PORT:11800}
plugin.toolkit.log.grpc.reporter.max_message_size=${SW_GRPC_LOG_MAX_MESSAGE_SIZE:10485760}
plugin.toolkit.log.grpc.reporter.upstream_timeout=${SW_GRPC_LOG_GRPC_UPSTREAM_TIMEOUT:30}

效果展示

image.png