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Apacheのアクセスログの形式をLTSVにしてみる

Last updated at Posted at 2013-02-19

やったこと

  • Apacheのconfig設定
# LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined
LogFormat "host:%h\tident:%l\tuser:%u\ttime:%t\trequest-first-line:\"%r\"\tstatus:%>s\tresponse-size:%b\trefer:\"%{Referer}i\"\tuser-agent:\"%{User-Agent}i\"" ltsv

# CustomLog logs/access_log combined
CustomLog logs/access_log ltsv
  • Apacheのreload
$ sudo /etc/init.d/httpd reload
  • アクセスログの確認
    • 以下のような形式に
host:192.168.0.1    ident:- user:-  time:[19/Feb/2013:12:41:50 +0000]   request-first-line:"GET /icons/small/folder2.gif HTTP/1.1"  status:404  response-size:342   refer:"http://www.example.com/icons/"   user-agent:"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.57 Safari/537.17"
  • アクセスログを見やすく表示してみる
    • ltsview gemはruby1.8はサポートしておらず1.8では動作しなかった
$ sudo gem1.9 install ltsview

$ sudo tail /var/log/httpd/access_log | ltsview 
---
:host: 192.168.0.1
:ident: ! '-'
:user: ! '-'
:time: ! '[19/Feb/2013:12:41:52 +0000]'
:request-first-line: ! '"GET /favicon.ico HTTP/1.1"'
:status: '404'
:response-size: '330'
:refer: ! '"-"'
:user-agent: ! '"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.17
  (KHTML, like Gecko) Chrome/24.0.1312.57 Safari/537.17"'

$ sudo tail /var/log/httpd/access_log | ltsview -k host,user
:host: 192.168.0.1
:user: ! '-'
---
:host: 192.168.0.1
:user: ! '-'

$ sudo cat /var/log/httpd/access_log | ltsview -k host -r request-time:[0-9]\{6,\} 
# => request-timeが6桁以上の数値のものをフィルタリング
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