Fluent::Plugin::Replace

Fluentd plugin to replace the string with specified YAML.

Installation

$ gem install fluent-plugin-replace

Example

<match test>
  type replace
  rules_yaml $HOME/fluent/test_rules.yml
  tag replaced.test
</match>

<match replaced.test>
  type stdout
</match>

# test_rules.yml

ip:
  127.0.0.1: 'localhost'
  /^192\.168.*$/: 'private network'

host:
  /.*\.sakigakeweb\.com$/: 'Old Domain'

status:
  200: 'OK'

referer:
  /http:\/\/kaihar4\.com/: ''

$ echo '{"ip":"127.0.0.1","host":"kaihar4.com","status":200,"referer":"http://kaihar4.com/about.html"}' | fluent-cat test
{"ip":"localhost","host":"kaihar4.com","status","OK","referer":"/about.html"}

$ echo '{"ip":"192.168.1.2","host":"foo.sakigakeweb.com","status":404,"referer":"https://www.google.co.jp/"}' | fluent-cat test
{"ip":"private network","host":"Old Domain","status":404,"referer":"https://www.google.co.jp/"}