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fluent-plugin-extract_query_params.gemspec

README.md

fluent-plugin-extract_query_params, a plugin for Fluentd

Component

ExtractQueryParamsOutput

Fluentd plugin to extract key/values from URL query parameters.

Synopsis

Imagin you have a config as below:

fluentd < 0.12:

<match test.**>
  type extract_query_params

  key            url
  add_tag_prefix extracted.
  only           foo, baz
</match>

fluentd >= 0.12:

<filter test.**>
  type extract_query_params

  key            url
  only           foo, baz
</match>

And you feed such a value into fluentd:

"test" => {
  "url" => "http://example.com/?foo=bar&baz=qux&hoge=fuga"
}

Then you'll get re-emmited tag/record-s below:

"extracted.test" => {
  "url" => "http://example.com/?foo=bar&baz=qux&hoge=fuga"
  "foo" => "bar",
  "baz" => "qux"
}

hoge parameter is not extracted.

Configuration

key

key is used to point a key whose value contains URL string.

remove_tag_prefix, remove_tag_suffix, add_tag_prefix, add_tag_suffix

These params are included from Fluent::HandleTagNameMixin. See the code for details.

You must add at least one of these params.

only

If set, only the key/value whose key is included only will be added to the record.

except

If set, the key/value whose key is included except will NOT be added to the record.

discard_key

If set to true, the original key url will be discarded from the record. Defaults to false (preserve key).

add_url_scheme

If set to true, scheme (use url_scheme key) will be added to the record. Defaults to false.

add_url_host

If set to true, host (use url_host key) will be added to the record. Defaults to false.

add_url_port

If set to true, port (use url_port key) will be added to the record. Defaults to false.

add_url_path

If set to true, path (use url_path key) will be added to the record. Defaults to false.

Installation

Add this line to your application's Gemfile:

gem 'fluent-plugin-extract_query_params'

And then execute:

$ bundle

Or install it yourself as:

$ gem install fluent-plugin-extract_query_params

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Added some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request

Copyright

Copyright

Copyright (c) 2013- Kentaro Kuribayashi (@kentaro)

License

Apache License, Version 2.0

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