【ELK】搭建elk日志平台（使用docker-compose），并接入springboot项目

1、环境搭建

前提条件：请自行安装docker以及docker-compose环境

version: '3'
services:
  elasticsearch:
    image: elasticsearch:7.14.0
    container_name: elasticsearch
    ports:
      - "9200:9200"
      - "9300:9300"
    environment:
      # 以单一节点模式启动
      discovery.type: single-node
      ES_JAVA_OPTS: "-Xms512m -Xmx512m"

  kibana:
    image: kibana:7.14.0
    container_name: kibana
    environment:
      I18N_LOCALE: zh-CN
      ELASTICSEARCH_HOSTS: http://elasticsearch:9200
    ports:
      - 5601:5601

  logstash:
    image: logstash:7.14.0
    container_name: logstash
    ports:
      - 4560:4560
      - 9600:9600
    privileged: true
    environment:
      - TZ=Asia/Shanghai
    volumes:
      - ./logstash/logstash.conf:/usr/share/logstash/pipeline/logstash.conf #挂载logstash的配置文件
    depends_on:
      - elasticsearch
    links:
      - elasticsearch:es #可以用es这个域名访问elasticsearch服务

其中：logstash.conf配置文件如下：

input {
  tcp {
  #模式选择为server
  mode => "server"
  #ip和端口根据自己情况填写，端口默认4560
  host => "0.0.0.0"
  port => 4560
  #格式json
  codec => json_lines
}
}

output {
  elasticsearch {
  action => "index"
  #这里是es的地址，多个es要写成数组的形式
  hosts  => "127.0.0.1:9200"
  #用于kibana过滤，可以填项目名称
  index  => "app-logstash-%{+YYYY.MM.dd}"
}
stdout {
  codec => rubydebug
}
}

2、用法

首先，引入pom

  <!--集成logstash-->
        <dependency>
            <groupId>net.logstash.logback</groupId>
            <artifactId>logstash-logback-encoder</artifactId>
            <version>6.6</version>
        </dependency>

其次，在logback.xml添加如下信息：

  <appender name="stash" class="net.logstash.logback.appender.LogstashTcpSocketAppender">
        <!--  这是是logstash服务器地址 端口-->
        <destination>127.0.0.1:4560</destination>
        <!--输出的格式，推荐使用这个-->
        <encoder charset="UTF-8" class="net.logstash.logback.encoder.LoggingEventCompositeJsonEncoder">
            <providers>
                <timestamp>
                    <timeZone>Asia/Shanghai</timeZone>
                </timestamp>
                <!--自定义日志输出格式-->
                <pattern>
                    <pattern>
                        {
                        "project": "app-java-logstash",
                        "level": "%level",
                        "service": "${APP_NAME:-}",
                        "class": "%logger",
                        "message": "[%X{sessionId}] [%X{traceId}] %class:%line %message",
                        "thread": "%thread",
                        "classLine":"%class:%line"
                        }
                    </pattern>
                </pattern>
            </providers>
        </encoder>
    </appender>
    <root level="info">
        <appender-ref ref="stash"/>
    </root>