SpringBoot应用整合ELK实现日志收集的示例代码

docker pull elasticsearch:6.4.0
docker pull logstash:6.4.0
docker pull kibana:6.4.0

# 改变设置
sysctl -w vm.max_map_count=262144
# 使之立即生效
sysctl -p

# 创建目录
mkdir /mydata/elasticsearch/data/
# 创建并改变该目录权限
chmod 777 /mydata/elasticsearch/data

input {
 tcp {
  mode => "server"
  host => "0.0.0.0"
  port => 4560
  codec => json_lines
 }
}
output {
 elasticsearch {
  hosts => "es:9200"
  index => "springboot-logstash-%{+YYYY.MM.dd}"
 }
}

mkdir /mydata/logstash

version: '3'
services:
 elasticsearch:
  image: elasticsearch:6.4.0
  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:
   - /mydata/elasticsearch/plugins:/usr/share/elasticsearch/plugins #插件文件挂载
   - /mydata/elasticsearch/data:/usr/share/elasticsearch/data #数据文件挂载
  ports:
   - 9200:9200
 kibana:
  image: kibana:6.4.0
  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://es:9200" #设置访问elasticsearch的地址
  ports:
   - 5601:5601
 logstash:
  image: logstash:6.4.0
  container_name: logstash
  volumes:
   - /mydata/logstash/logstash-springboot.conf:/usr/share/logstash/pipeline/logstash.conf #挂载logstash的配置文件
  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

docker-compose up -d

# 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

systemctl stop firewalld

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

<?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="mall-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">
    <!--可以访问的logstash日志收集端口-->
    <destination>192.168.3.101:4560</destination>
    <encoder charset="UTF-8" class="net.logstash.logback.encoder.LogstashEncoder"/>
  </appender>
  <root level="INFO">
    <appender-ref ref="CONSOLE"/>
    <appender-ref ref="FILE"/>
    <appender-ref ref="LOGSTASH"/>
  </root>
</configuration>