SpringBoot2.3集成ELK7.1.0的示例代码

最近想用elk做日志分析，所以先写了demo来实验一下！

1、安装elk（elasticsearch+logstash+kibana），具体安装教程百度

2、查看是否安装成功，输入localhost:9200,localhost:5601，如下页面则安装成功

3、pom包依赖

<?xml version="1.0" encoding="utf-8"?>
<project xmlns="http://maven.apache.org/pom/4.0.0" xmlns:xsi="http://www.w3.org/2001/xmlschema-instance"
     xsi:schemalocation="http://maven.apache.org/pom/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelversion>4.0.0</modelversion>
  <parent>
    <groupid>org.springframework.boot</groupid>
    <artifactid>spring-boot-starter-parent</artifactid>
    <version>2.3.0.release</version>
    <relativepath/> <!-- lookup parent from repository -->
  </parent>
  <groupid>com.modules</groupid>
  <artifactid>demo</artifactid>
  <version>0.0.1-snapshot</version>
  <name>elk</name>
  <description>demo project for spring boot</description>

  <properties>
    <java.version>1.8</java.version>
  </properties>

  <dependencies>
    <!--集成logstash-->
    <dependency>
      <groupid>net.logstash.logback</groupid>
      <artifactid>logstash-logback-encoder</artifactid>
      <version>5.3</version>
    </dependency>
    <dependency>
      <groupid>org.springframework.boot</groupid>
      <artifactid>spring-boot-starter-data-elasticsearch</artifactid>
    </dependency>
    <dependency>
      <groupid>org.mybatis.spring.boot</groupid>
      <artifactid>mybatis-spring-boot-starter</artifactid>
      <version>2.1.2</version>
    </dependency>
    <dependency>
      <groupid>org.projectlombok</groupid>
      <artifactid>lombok</artifactid>
      <optional>true</optional>
    </dependency>
    <dependency>
      <groupid>org.springframework.boot</groupid>
      <artifactid>spring-boot-starter-test</artifactid>
      <scope>test</scope>
      <exclusions>
        <exclusion>
          <groupid>org.junit.vintage</groupid>
          <artifactid>junit-vintage-engine</artifactid>
        </exclusion>
      </exclusions>
    </dependency>
    <dependency>
      <groupid>org.springframework.boot</groupid>
      <artifactid>spring-boot-starter-web</artifactid>
      <version>2.3.0.release</version>
      <scope>compile</scope>
    </dependency>
  </dependencies>

  <build>
    <plugins>
      <plugin>
        <groupid>org.springframework.boot</groupid>
        <artifactid>spring-boot-maven-plugin</artifactid>
      </plugin>
    </plugins>
  </build>

</project>

4、配置文件

server:
 port: 8087
spring:
 application:
  name: search-service
 elasticsearch:
  rest:
   uris: http://localhost:9200

5、在logstash的bin目录下创建logstash.conf配置文件，启动logstash时要依赖这个配置文件
logstash.conf

input {
 tcp {
  mode => "server"
  port => 4560
  codec => json_lines
 }
}
output {
 elasticsearch {
  action => "index"
  hosts => "127.0.0.1:9200"
  index => "applog"
 }
}

6、在项目中创建logback-spring.xml

< destination>localhost:4560</ destination>
中的地址为logstash.conf设置的端口号

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

  <appender name="logstash" class="net.logstash.logback.appender.logstashtcpsocketappender">
    <destination>localhost:4560</destination>
    <encoder charset="utf-8" class="net.logstash.logback.encoder.logstashencoder" />
  </appender>

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

7、创建controller类设定测试数据

/**
 * @author administrator
 */
@restcontroller
@requestmapping("/elastic")
public class elkcontroller {

  logger logger = loggerfactory.getlogger(elkcontroller.class);

  @autowired
  private elkservice elkservice;

  @postmapping
  public void create(){
    elkservice.createindex();
  }

  @requestmapping("/test")
  public string test2(){
    logger.info("你好啊e");
    logger.warn("this is a warn message!");
    logger.error("this is error message!");
    return "elk测试数据";
  }
}

8、打开localhost:5601，创建索引值，索引值跟logstash.conf中的output的index一样

9、回到首页查看生成的日志信息

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