Logstash收集nginx访问日志和错误日志

雨点打透心脏的1/2处 2022-01-08 01:19 475阅读 0赞

1、收集访问日志

1）、首先是要在nginx里面配置日志格式化输出

2）、接下来开始在logstash创建处理nginx的配置文件

input {
            file {
                    path => ["/var/log/nginx/access.log"]
            }
    }
    
    filter {
            ruby {
                    init => "@kname =['http_x_forwarded_for','time_local','request','status','body_bytes_sent','request_body','content_length','http_referer','http_user_agent','http_cookie','remote_addr','hostname','upstream_addr','upstream_response_time','request_time']"
                    code => "new_event = LogStash::Event.new(Hash[@kname.zip(event.get('message').split('|'))])
                    new_event.remove('@timestamp')
                    event.append(new_event)
                    "
            }
    
    if [request] {
            ruby {
                    init => "@kname = ['method','uri','verb']"
                    code => "
                            new_event = LogStash::Event.new(Hash[@kname.zip(event.get('request').split(' '))])
                            new_event.remove('@timestamp')
                            event.append(new_event)
                    "
            }
     } 
    if [uri] {
            ruby{
                    init => "@kname = ['url_path','url_args']"
                    code => "
                            new_event = LogStash::Event.new(Hash[@kname.zip(event.get('uri').split('?'))])
                            new_event.remove('@timestamp')
                            event.append(new_event)
                    "
            }
     }
    kv {
            prefix =>"url_"
            source =>"url_args"
            field_split =>"&"
            include_keys => ["uid","cip"]
            remove_field => ["url_args","uri","request"]
    }
    mutate {
            convert => [
                    "body_bytes_sent","integer",
                    "content_length","integer",
                    "upstream_response_time","float",
                    "request_time","float"
            ]
     }
    date {
            match => [ "time_local","dd/MMM/yyyy:hh:mm:ss Z" ]
            locale => "en"
     }
    }
    output{stdout{}}

此处的例子借鉴ELKstack权威指南里面的例子，不过书中的例子有错，我这里修改好了，可以参考书籍39页和66页

github:[https://github.com/weixinqing/Logstash-example/blob/master/initnginx.conf][https_github.com_weixinqing_Logstash-example_blob_master_initnginx.conf]

3）、最后允许一下看一下效果所示：

{
                      "url_path" => "/",
               "body_bytes_sent" => 0,
                      "@version" => "1",
                       "message" => "- | 05/Mar/2019:16:21:40 +0800 | GET / HTTP/1.1 | 304 | 0 | - | - | - | Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36 SE 2.X MetaSr 1.0 |- | 172.16.0.10 | elk-chaofeng07 | - | - | 0.000",
                          "host" => "ELK-chaofeng07",
                   "http_cookie" => "- ",
                 "upstream_addr" => " - ",
        "upstream_response_time" => 0.0,
                    "@timestamp" => 2019-03-05T08:21:41.352Z,
                           "uri" => "/",
                       "request" => " GET / HTTP/1.1 ",
                          "path" => "/var/log/nginx/access.log",
                      "url_args" => nil,
                      "hostname" => " elk-chaofeng07 ",
                          "verb" => "HTTP/1.1",
               "http_user_agent" => " Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36 SE 2.X MetaSr 1.0 ",
                    "time_local" => " 05/Mar/2019:16:21:40 +0800 ",
                  "request_body" => " - ",
                   "remote_addr" => " 172.16.0.10 ",
                        "status" => " 304 ",
                  "request_time" => 0.0,
                        "method" => "GET",
                  "http_referer" => " - ",
                          "tags" => [
            [0] "_dateparsefailure"
        ],
                "content_length" => 0,
          "http_x_forwarded_for" => "- "
    }

唯一不足的就是中间报了个错误，可以自行解决一下。

2、收集错误日志

定义logstash处理的配置文件

input{
            file {
                    path => ["/var/log/nginx/error.log"]
            }
    }
    filter{
            grok {
                    match => {
        "message" => "(?<datetime>\d\d\d\d/\d\d/\d\d \d\d:\d\d:\d\d) \[(?<errortype>\w+)\] \S+: \*\d+ (?<errormsg>[^,]+), \w+: %{IP:remotehost}, \w+: \w+, \w+: (?<request>[^,]+), \w+: \"%{IP:localhost}\""}
            }
            mutate {
                    remove_field => ["message"]
            }
    if [request] {
            ruby {
                    init => "@kname = ['method','uri','verb']"
                    code => "
                            new_event = LogStash::Event.new(Hash[@kname.zip(event.get('request').split(' '))])
                            new_event.remove('@timestamp')
                            event.append(new_event)
                    "
            }
    }
    
    }
    output{stdout{}}

查看一下效果：

{
          "@version" => "1",
              "path" => "/var/log/nginx/error.log",
        "remotehost" => "172.16.0.10",
           "request" => "\"GET /8 HTTP/1.1\"",
              "verb" => "HTTP/1.1\"",
               "uri" => "/8",
              "host" => "ELK-chaofeng07",
         "localhost" => "172.16.0.57",
            "method" => "\"GET",
        "@timestamp" => 2019-03-05T10:43:54.377Z,
          "datetime" => "2019/03/05 18:43:53",
          "errormsg" => "open() \"/usr/share/nginx/html/8\" failed (2: No such file or directory)",
         "errortype" => "error"
    }

转载于:https://www.cnblogs.com/FengGeBlog/p/10477829.html

[https_github.com_weixinqing_Logstash-example_blob_master_initnginx.conf]: https://github.com/weixinqing/Logstash-example/blob/master/initnginx.conf