Docker安装部署ELK 整合Springboot实现日志收集

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Docker安装部署ELK 整合Springboot实现日志收集


下载docker镜像

docker pull elasticsearch:7.6.2
docker pull logstash:7.6.2
docker pull kibana:7.6.2

创建好挂载配置文件的目录

mkdir /root/data/elk && cd /root/data/elk
mkdir elasticsearch
mkdir logstash

创建文件logstash-springboot.conf上传到挂载目录logstash中

logstash-springboot.conf文件内容
input {
  tcp {
    mode => "server"
    host => "0.0.0.0"
    port => "4560"
    codec => json_lines
  }
}
output {
  #stdout {
   # codec => rubydebug
  #}
  elasticsearch {
    hosts => ["es:9200"]
    index => "springboot-logstash-%{[appname]}-%{+YYYY.MM.dd}"
	#user => "elastic"
    #password => "changeme"
  }
}

使用docker-compose.yml脚本启动ELK服务

docker-compose.yml文件内容
version: '3'
services:
  elasticsearch:
    image: elasticsearch:7.6.2
    container_name: elasticsearch
    environment:
      - "cluster.name=elasticsearch" #设置集群名称为elasticsearch
      - "discovery.type=single-node" #以单一节点模式启动
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m" #设置使用jvm内存大小
    volumes:
      - /root/data/elk/elasticsearch/plugins:/usr/share/elasticsearch/plugins #插件文件挂载
      - /root/data/elk/elasticsearch/data:/usr/share/elasticsearch/data #数据文件挂载
     # - F:\dev\elk\elasticsearch\x-pack-6.2.4.zip:/usr/share/elasticsearch/templ/x-pack-6.2.4.zip
    ports:
      - 9200:9200
  kibana:
    image: kibana:7.6.2
    container_name: kibana
    links:
      - elasticsearch:es #可以用es这个域名访问elasticsearch服务
    depends_on:
      - elasticsearch #kibana在elasticsearch启动之后再启动
    environment:
      - "elasticsearch.hosts=http://localhost:9200" #设置访问elasticsearch的地址
    ports:
      - 5601:5601
  logstash:
    image: logstash:7.6.2
    container_name: logstash
    volumes:
      - /root/data/elk/logstash/logstash-springboot.conf:/usr/share/logstash/pipeline/logstash.conf #挂载logstash的配置文件
      - /root/data/elk/logstash/logstash.yml:/usr/share/logstash/config/logstash.yml
    depends_on:
      - elasticsearch #kibana在elasticsearch启动之后再启动
    links:
      - elasticsearch:es #可以用es这个域名访问elasticsearch服务
    ports:
      - 4560:4560
上传到服务器临时目录然后进入该目录运行
docker-compose up -d

运行成功后需要安装插件

安装Elasticsearch中文分词 (可选)

需要安装中文分词器IKAnalyzer,并重新启动。

docker exec -it elasticsearch /bin/bash

#此命令需要在容器中运行
elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v7.6.2/elasticsearch-analysis-ik-7.6.2.zip

docker restart elasticsearch
安装logstash中json_lines插件
# 进入logstash容器
docker exec -it logstash /bin/bash
# 进入bin目录
cd /bin/
# 安装插件
logstash-plugin install logstash-codec-json_lines
# 退出容器
exit
# 重启logstash服务
docker restart logstash

到此为止ELK已经安装部署成功了,接下来就是与Springboot整合

项目中添加logstash依赖

<!--集成logstash-->
<dependency>
	<groupId>net.logstash.logback</groupId>
	<artifactId>logstash-logback-encoder</artifactId>
	<version>5.3</version>
</dependency>

注意:这里版本号要是5.3,我测试过4.8,没有报任何错!但是logstash无法转发到elasticsearch,真是让人龟头大。

在resources目录下创建logback-spring.xml

logback-spring.xml文件内容
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration>
<configuration>
    <include resource="org/springframework/boot/logging/logback/defaults.xml"/>
    <include resource="org/springframework/boot/logging/logback/console-appender.xml"/>
    <!--应用名称-->
    <property name="APP_NAME" value="yzcrm-admin"/>
    <!--日志文件保存路径-->
    <property name="LOG_FILE_PATH" value="${LOG_FILE:-${LOG_PATH:-${LOG_TEMP:-${java.io.tmpdir:-/tmp}}}/logs}"/>
    <contextName>${APP_NAME}</contextName>
    <!--每天记录日志到文件appender-->
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${LOG_FILE_PATH}/${APP_NAME}-%d{yyyy-MM-dd}.log</fileNamePattern>
            <maxHistory>30</maxHistory>
        </rollingPolicy>
        <encoder>
            <pattern>${FILE_LOG_PATTERN}</pattern>
        </encoder>
    </appender>
    <!--输出到logstash的appender-->
    <appender name="LOGSTASH" class="net.logstash.logback.appender.LogstashTcpSocketAppender">
        <destination>localhost:4560</destination>
        <encoder charset="UTF-8" class="net.logstash.logback.encoder.LogstashEncoder" >
            <customFields>{"appname": "admin"}</customFields>
        </encoder>
    </appender>

    <root level="INFO">
        <appender-ref ref="CONSOLE"/>
        <appender-ref ref="FILE"/>
        <appender-ref ref="LOGSTASH"/>
    </root>
</configuration>

配置没问题的话,直接可以运行你的项目了!

访问kibana查看日志

localhost:5601

有数据的话,证明ELK已经整合成功!可以快乐的摸鱼