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fluent-plugin-conditional_filter.gemspec version 0.0.2 Oct 11, 2013

README.md

Fluent::Plugin::ConditionalFilter, a plugin for Fluentd BuildStatus

Component

ConditionalFilterOutput

fluent-plugin-conditional_filter provides a simple filter that filters out key/value pairs that don't satisfy a given condition.

Usage

Synopsis

If there's such a configuration as below:

<match test.**>
  type           conditional_filter
  add_tag_prefix filtered.
  key_pattern    @example\.com$
  condition      10
  filter         numeric_upward
</match>

When the log below reaches:

'test' => {
  'foo@example.com' => 5,
  'bar@example.com' => 15,
  'baz@baz.com'     => 12,
}

key/value pairs that don't match either key_pattern or the condition designated by condition and filter are filtered out.

'filtered.test' => {
  'bar@example.com' => 15,
}

Params

key_pattern (required)

Key pattern to check.

condition (required)

Condition for the filter below.

filter (required)

Set filtering strategy.

remove_tag_prefix, remove_tag_suffix, add_tag_prefix, add_tag_suffix

You can also use the params above inherited from Fluent::HandleTagNameMixin.

Filters

numeric_upward

Filter out such key/value pairs whose value aren't greater than or equal to the given value as float value.

numeric_downward

Filter out such key/value pairs whose value aren't smaller than or equal to the given value as float value

string_match

Filter out such key/value pairs whose value don't match the given value as string.

Installation

Add this line to your application's Gemfile:

gem 'fluent-plugin-conditional_filter'

And then execute:

$ bundle

Or install it yourself as:

$ gem install fluent-plugin-conditional_filter

Contributing

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