ELK菜鳥手記 (四) - 利用filebeat和不同端口把不同服務器上的log4j日志傳輸到同一台ELK服務器

1. 問題描述 

我們需要將不同服務器(如Web Server)上的log4j日志傳輸到同一台ELK服務器，介於公司服務器資源緊張(^_^)

 

2. 我們需要用到filebeat

什么是filebeat?

filebeat被用來ship events,即把一台服務器上的文件日志通過socket的方式，傳輸到遠程的ELK。

可以傳輸到logstash,也可以直接傳輸到elasticsearch。

 

3. 我們這里講解如何傳輸到遠程的logstash，然后再由elasticsearch講數據傳輸到kibana展示

3-1） 首先你要在你的本地測試機器上安裝filebeat

以下是下載路徑：

https://www.elastic.co/downloads/beats/filebeat

3-2) 其次你應該配置你的filebeat.xml

filebeat.prospectors:

- input_type: log

  # Paths that should be crawled and fetched. Glob based paths.
  paths:
    - /Users/KG/Documents/logs/t-server/*.log

#----------------------------- Logstash output --------------------------------
output.logstash:
  # The Logstash hosts
  hosts: ["xx.xx.xx.xx:5000"]

3-3) 啟動filebeat

需要先給配置文件加權限

chown root filebeat.yml

 

然后啟動

sudo ./filebeat -e -c filebeat.yml &

 

3-4) 配置遠程的logstash並啟動

log4j_filebeat.conf

input{
    beats {
        port => 5000
    }
}
output{
    stdout{ codec => rubydebug }
    elasticsearch { 
        hosts => "localhost:9200"  
        index =>  "t-server-%{+YYYY.MM.dd}"
        document_type => "log4j_type"
        user => your-username
        password => your-password
    }
}

啟動：

./bin/logstash -f config/log4j_fliebeat.conf &

 

3-5) Java客戶端日志配置和程序

log4j.properties

### 設置###
log4j.rootLogger = debug,stdout,D

### 輸出信息到控制抬 ###
log4j.appender.stdout = org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target = System.out
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern = [%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%n

### 輸出DEBUG 級別以上的日志到=/Users/bee/Documents/elk/log4j/debug.log###
log4j.appender.D = org.apache.log4j.DailyRollingFileAppender
log4j.appender.D.File = /Users/KG/Documents/logs/t-server/app.log
log4j.appender.D.Append = true
log4j.appender.D.Threshold = DEBUG
log4j.appender.D.layout = org.apache.log4j.PatternLayout
log4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss}  [ %t:%r ] - [ %p ]  %m%n

Java API

package org.genesis.arena.elk;

import org.apache.log4j.Logger;

/**
 * Created by KG on 17/3/27.
 */
public class ElkLog4jTest {
    private static final Logger logger = Logger.getLogger(ElkLog4jTest.class);
    public static void main(String[] args) throws Exception {
        logger.debug("最新的日志!!");
    }
}

在logstash看到結果如下:

在kibana看到結果如下：

 

 

同理，我們使用另一個端口啟動另外一個logstash后台進程

logstash配置文件如下：

log4j_fliebeat2.conf

input{
    beats {
        port => 5001
    }
}
output{
    stdout{ codec => rubydebug }
    elasticsearch { 
        hosts => "localhost:9200"  
        index =>  "t-yxc-finance-%{+YYYY.MM.dd}"
        document_type => "log4j_type"
        user => your-username
        password => your-password
    }
}

啟動：

./bin/logstash -f config/log4j_fliebeat2.conf &

 

filebeat.yml

filebeat.prospectors:

# Each - is a prospector. Most options can be set at the prospector level, so
# you can use different prospectors for various configurations.
# Below are the prospector specific configurations.

- input_type: log

  # Paths that should be crawled and fetched. Glob based paths.
  paths:
    - /Users/KG/Documents/logs/t-yxc-finance/*.log


#----------------------------- Logstash output --------------------------------
output.logstash:
  # The Logstash hosts
  hosts: ["xx.xx.xx.xx:5001"]

 

客戶端配置文件和代碼：

### 設置###
log4j.rootLogger = debug,stdout,D

### 輸出信息到控制抬 ###
log4j.appender.stdout = org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target = System.out
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern = [%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%n

### 輸出DEBUG 級別以上的日志到=/Users/bee/Documents/elk/log4j/debug.log###
log4j.appender.D = org.apache.log4j.DailyRollingFileAppender
log4j.appender.D.File = /Users/KG/Documents/logs/t-yxc-finance/app.log
log4j.appender.D.Append = true
log4j.appender.D.Threshold = DEBUG
log4j.appender.D.layout = org.apache.log4j.PatternLayout
log4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss}  [ %t:%r ] - [ %p ]  %m%n

package org.genesis.arena.elk;

import org.apache.log4j.Logger;

/**
 * Created by KG on 17/3/27.
 */
public class ElkLog4jTest {
    private static final Logger logger = Logger.getLogger(ElkLog4jTest.class);
    public static void main(String[] args) throws Exception {
        logger.debug("另外一台服務器,最新的日志!!");
    }
}

運行結果如下：