SpringBoot 集成logstash收集日誌

pom中加入logstash依賴

<dependency>
    <groupId>net.logstash.logback</groupId>
    <artifactId>logstash-logback-encoder</artifactId>
    <version>6.1</version>
</dependency>
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定義日誌格式

• json格式

  {
      "severity": "%level",
      "service": "${springAppName:-}",
      "pid": "${PID:-}",
      "thread": "%thread",
      "class": "%logger{40}",
      "rest": "%message"
  }
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• 示例

  <appender name="logstash" class="ch.qos.logback.core.rolling.RollingFileAppender">
          <file>${LOG_FILE}.json</file>
          <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
              <fileNamePattern>${LOG_FILE}.json.%d{yyyy-MM-dd}.gz</fileNamePattern>
              <maxHistory>30</maxHistory>
          </rollingPolicy>
          <encoder class="net.logstash.logback.encoder.LoggingEventCompositeJsonEncoder">
              <providers>
                  <timestamp>
                      <timeZone>UTC</timeZone>
                  </timestamp>
                  <pattern>
                      <pattern>
                          {
                          "severity": "%level",
                          "service": "${springAppName:-}",
                          "pid": "${PID:-}",
                          "thread": "%thread",
                          "class": "%logger{40}",
                          "rest": "%message"
                          }
                      </pattern>
                  </pattern>
              </providers>
          </encoder>
      </appender>
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完整配置

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <include resource="org/springframework/boot/logging/logback/defaults.xml"/>

    <springProperty scope="context" name="springAppName" source="spring.application.name"/>
    <!-- Example for logging into the build folder of your project -->
    <property name="LOG_FILE" value="/data/spring-cloud-sleuth/logs/${springAppName}"/>

    <!-- You can override this to have a custom pattern -->
    <property name="CONSOLE_LOG_PATTERN" value="%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} %clr(${LOG_LEVEL_PATTERN:-%5p}) %clr(${PID:- }){magenta} %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n${LOG_EXCEPTION_CONVERSION_WORD:-%wEx}"/>

    <!-- Appender to log to console -->
    <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>${CONSOLE_LOG_PATTERN}</pattern>
            <charset>utf8</charset>
        </encoder>
    </appender>

    <!-- Appender to log to file -->
    <appender name="flatfile" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <file>${LOG_FILE}</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${LOG_FILE}.%d{yyyy-MM-dd}.gz</fileNamePattern>
            <maxHistory>30</maxHistory>
        </rollingPolicy>
        <encoder>
            <pattern>${CONSOLE_LOG_PATTERN}</pattern>
            <charset>utf8</charset>
        </encoder>
    </appender>

    <!-- Appender to log to file in a JSON format -->
    <appender name="logstash" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <file>${LOG_FILE}.json</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${LOG_FILE}.json.%d{yyyy-MM-dd}.gz</fileNamePattern>
            <maxHistory>30</maxHistory>
        </rollingPolicy>
        <encoder class="net.logstash.logback.encoder.LoggingEventCompositeJsonEncoder">
            <providers>
                <timestamp>
                    <timeZone>UTC</timeZone>
                </timestamp>
                <pattern>
                    <pattern>
                        {
                        "severity": "%level",
                        "service": "${springAppName:-}",
                        "pid": "${PID:-}",
                        "thread": "%thread",
                        "class": "%logger{40}",
                        "rest": "%message"
                        }
                    </pattern>
                </pattern>
            </providers>
        </encoder>
    </appender>

    <root level="INFO">
        <appender-ref ref="console"/>
        <appender-ref ref="logstash"/>
    </root>
</configuration>
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