SpringBoot項目配置JSON日誌格式輸出
採用logstash-logback-encoder來實現JSON日誌輸出
引入依賴
implementation 'net.logstash.logback:logstash-logback-encoder:5.0'
compileOnly 'org.projectlombok:lombok'
compile group: 'org.codehaus.janino', name: 'janino', version: '3.1.0'
compile group: 'org.codehaus.janino', name: 'commons-compiler', version: '3.1.0'
創建日誌配置文件logback-spring.xml
<?xml version="1.0" encoding="UTF-8"?>
<configuration debug="false" scan="true" scanPeriod="600000">
<!--定義日誌文件的存儲地址 勿在 LogBack 的配置中使用相對路徑 -->
<!-- <property name="LOG_HOME" value="/data/logs" />-->
<property name="LOG_HOME" value="/data/logs" />
<contextName>${HOSTNAME}</contextName>
<springProperty scope="context" name="appName"
source="spring.application.name" />
<springProperty scope="context" name="ip"
source="spring.cloud.client.ipAddress" />
<property name="osName" value="${os.name}" />
<!--格式化輸出:%d表示日期,%thread表示線程名,%-5level:級別從左顯示5個字符寬度%msg:日誌消息,%n是換行符 -->
<property name="CONSOLE_LOG_PATTERN"
value="%d{yyyy-MM-dd HH:mm:ss.SSS} %highlight(%-5level) %line [%yellow(%X{X-B3-TraceId}),%green(%X{X-B3-SpanId})] [%yellow(%thread)] %green(%logger{30}) %msg%n" />
<!-- 控制檯輸出 -->
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>${CONSOLE_LOG_PATTERN}</pattern>
<charset>utf-8</charset>
</encoder>
<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
<level>debug</level>
</filter>
</appender>
<if condition='p("osName").contains("Linux")'>
<then>
<!-- 按照每天生成日誌文件 -->
<appender name="FILE"
class="ch.qos.logback.core.rolling.RollingFileAppender">
<!-- 正在記錄的日誌文件的路徑及文件名 -->
<file>${LOG_HOME}/${appName}.log</file>
<rollingPolicy
class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
<!--日誌文件輸出的文件名 -->
<FileNamePattern>${LOG_HOME}/${appName}.%d{yyyy-MM-dd}.%i.log.gz</FileNamePattern>
<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>1MB</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
<!-- 每個日誌文件到100MB的時候開始切分,最多保留30天,但最大到20GB,哪怕沒到30天也要刪除多餘的日誌 -->
<MaxHistory>30</MaxHistory>
<maxFileSize>100MB</maxFileSize>
<totalSizeCap>20GB</totalSizeCap>
</rollingPolicy>
<encoder
class="net.logstash.logback.encoder.LoggingEventCompositeJsonEncoder">
<providers>
<timestamp>
<timeZone>UTC</timeZone>
</timestamp>
<pattern>
<pattern>
{
"level": "%level",
"appName": "${appName}",
"requestId": "%X{requestId}",
"remoteIp": "%X{remoteIp}",
"traceId": "%X{X-B3-TraceId:-}",
"spanId": "%X{X-B3-SpanId:-}",
"parent": "%X{X-B3-ParentSpanId:-}",
"thread": "%thread",
"class": "%logger{40}",
"line": "%line",
"message": "%message",
"stack_trace": "%exception"
}
</pattern>
</pattern>
<stackTrace>
<throwableConverter class="net.logstash.logback.stacktrace.ShortenedThrowableConverter">
<maxDepthPerThrowable>100</maxDepthPerThrowable>
<maxLength>20480</maxLength>
<rootCauseFirst>true</rootCauseFirst>
</throwableConverter>
</stackTrace>
</providers>
</encoder>
</appender>
</then>
</if>
<!-- 日誌輸出級別 -->
<root level="INFO">
<appender-ref ref="STDOUT" />
<if condition='p("osName").contains("Linux")'>
<then>
<appender-ref ref="FILE" />
</then>
</if>
</root>
</configuration>
- LOG_HOME: 日誌輸出目錄
- appName:服務名稱
- osName:操作系統名稱
- CONSOLE_LOG_PATTERN:控制檯日誌輸出格式
- p(“osName”).contains(“Linux”):判斷是否是linux系統,設置只有Linux系統下才輸出JSON格式日誌,本地開發一般都是windows或者Mac,所以可以按照操作系統來判斷是否輸出JSON日誌