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logCollector

介绍

背景:日志文件是几乎任何系统必备的一项,当某个集群机器比较少时,查看日志不是难事,但是机器比较多时,需要有一套日志系统来方便管理。

目标:把集群机器上的日志实时收集,统一储存到中心系统,对这些系统建立索引,通过搜索即可找到对应日志,通过提供界面有好的web界面,通过web即可完成日志搜索。日志准实时搜集,延时控制在分钟级别。

整个项目分两个独立app:logAgent和logCollector。他们之间通过kafka传递数据。

系统架构

avatar

安装

go get github.com/LinlinDu/logCollector

如何使用

集群中安装kafka,选择一台机器用于管理日志,安装elasticsearch,kibana。
在conf文件夹中填写相应配置,在集群中需要收集日志的机器中使用logAgent,在管理日志的机器中使用logCollector。

运行案例

app启动后,首先会等待日志文件在你设定的位置出现,发现文件后然后开始逐条搜集日志。
在dubug模式下输出如下

2019/07/01 13:09:53 Waiting for logs/20190701.log to appear...
2019/07/01 13:09:53.698 [I]  Log Agent start running...
2019/07/01 13:15:05.402 [D]  topic: [log] pid: [6], offset: [50]
2019/07/01 13:15:05.409 [D]  topic: [log] pid: [3], offset: [50]
2019/07/01 13:16:47.192 [D]  topic: [log] pid: [7], offset: [49]
2019/07/01 13:17:14.159 [D]  topic: [log] pid: [1], offset: [59]
2019/07/01 13:17:31.252 [D]  topic: [log] pid: [3], offset: [51]
2019/07/01 13:17:33.021 [D]  topic: [log] pid: [7], offset: [50]

访问http://127.0.0.1:5601 ,打开kibana,可看到搜集到的日志 avatar

使用

  • kafka
  • zookeeper
  • tail
  • elasticsearch
  • kibana

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