架构师之路----一步步搭建日志监控系统(Spring+SpringMVC+Redis+ELK)

原文地址

http://www.javashuo.com/article/p-xovsexil-et.html前端

技术选型

  • spring
  • spring mvc
  • redis
  • logback
  • ELK

开发web工程搭建

经过maven建立一个基于spring mvc的web工程,启动以后成功显示hello world(过程略)。nginx

pom文件

<!--spring-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!--spring-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!--Spring Web + Spring MVC-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>

构建成功

项目架构

引入logback进行日志输出

本第二天志组件使用的是logback;git

pom文件

<!--logback-->
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-classic</artifactId>
            <version>1.1.3</version>
        </dependency>
        <dependency>
            <groupId>org.logback-extensions</groupId>
            <artifactId>logback-ext-spring</artifactId>
            <version>0.1.2</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>jcl-over-slf4j</artifactId>
            <version>1.7.12</version>
        </dependency>

        <!--logstash begin -->
        <dependency>
            <groupId>com.cwbase</groupId>
            <artifactId>logback-redis-appender</artifactId>
            <version>1.1.5</version>
        </dependency>

logback.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <appender name="LOGSTASH" class="com.cwbase.logback.RedisAppender">
        <source>SpringELK</source>
        <type>dev-type</type>
        <tags>dev</tags>
        <host>127.0.0.1</host>
        <port>6379</port>
        <key>logstash</key>
    </appender>

    <root level="DEBUG">
        <appender-ref ref="LOGSTASH" />
    </root>
</configuration>

因为项目比较小,采用了日志写入redis,大型项目可参考将redis替换为kafka。 商业项目可用logstash监听nginx access log,定时将日志上传kafka集群。github

如log4j将日志发送到logstash:
#输出日志到logstash
log4j.appender.logstash=org.apache.log4j.net.SocketAppender
log4j.appender.logstash.RemoteHost=127.0.0.1
log4j.appender.logstash.port=4560
log4j.appender.logstash.ReconnectionDelay=60000
log4j.appender.logstash.LocationInfo=true
logstash input配置:
input {
    log4j {
        host => "127.0.0.1"
        port => 4560
    }
}
logstash有两个做用:
  1. 前端logstash作日志收集代理,做用同flume;
  2. 后端logstash作解析日志,链接es创建索引;

日志输出

private Logger log = LoggerFactory.getLogger(HomeController.class);

    @RequestMapping(value = "/hello", method = RequestMethod.GET)
    public String hello() {
        log.error("Main错误");
        return "/home/hello";
    }

安装redis,并启动

(过程略)web

测试redis启动

下载并配置ELK

因为新版本的elasticsearch支持是jdk 1.8,个人jdk是1.7因此要谨慎选择elk版本。redis

logstash会经过redis读取日志,导入es中进行存储和索引操做。spring

启动elasticsearch

elasticsearch安装成功

将logstash,kibana配置为windows服务

配置服务并启动

启动web项目,并观察kibana日志情况

项目启动成功,日志生成

观察kibana

日志生成

彩蛋

spring request生命周期

能够完整的看到spring mvc对应一个http请求的生命周期;apache

至此一个简单的基于spring+spring mvc+redis+elk的日志系统搭建成功了!windows

code 完整地址:https://github.com/zhangcj/springELK后端

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