从Logstash中的日志文件中过滤特定行 [英] Filtering specific lines from log file in logstash

问题描述

我无法从日志文件/var/log/messages中获取特定行.我在客户端服务器中使用logstash-forwarder，在日志服务器中使用logstash，elasticsearch和kibana.我尝试安装 grep 过滤器，但是它给了我一些错误，所以我尝试安装用grok在下面实现.我的原始帖子是此处.我发现了此，但是我非常不满意.

I am not able to get specific lines from logs file /var/log/messages. I am using logstash-forwarder in client-server and logstash, elasticsearch and kibana in log-server. I tried to install grep filter but it gives me some error so I try to implement below with grok. My original post is here . I found this but m quite unsatisfied.

以下是logstash-forwarder文件名的配置:客户端-服务器中的logstash-forwarder

Following is the configuration for logstash-forwarder file-name: logstash-forwarder in client-server

{
  "network": {
    "servers": [ "logstashserver-ip:5000" ],
    "timeout": 15,
    "ssl ca": "xxx.crt"
  },
  "files": [
    {
      "paths": [
        "/var/log/messages"
       ],
      "fields": { "type": "syslog" }
    }
   ]
}

以下是logstashserver中的logstash配置

and following is the logstash configuration in logstashserver

文件名:input.conf

file-name:input.conf

input {
  lumberjack {
    port => 5000
    type => "logs"
    ssl_certificate => "xxx.crt"
    ssl_key => "xxx.key"
  }
}

文件名:filter.conf

file-name:filter.conf

filter {
    grok {
        match => ["message", "\[%{WORD:messagetype}\]: %{GREEDYDATA}"]
    }
}

文件名:output.conf

file-name:output.conf

output {
  elasticsearch { host => "logstashserver-ip" }
  if [messagetype] == "ERROR" {
        stdout {
            codec => "rubydebug"
        }
}
}

有什么问题吗?

推荐答案

不确定您是否仍然遇到此问题，但是我会考虑删除不需要的消息.在我的服务器上，我获得了syslog严重性级别，其中包括syslog_severity_code，如 http://en.wikipedia上所定义. org/wiki/Syslog#Severity_levels .

Not sure if you're still having this problem, but I'd look at dropping the messages you don't want. On my server, I get syslog severity levels which include syslog_severity_code as defined at http://en.wikipedia.org/wiki/Syslog#Severity_levels.

如果您要在索引中加入它们，请尝试类似

If you're getting them in your indices, try something like

filter {
    if [type] == 'syslog' and [syslog_severity_code] > 5  {
        drop { }
    }
}

这篇关于从Logstash中的日志文件中过滤特定行的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！