Fluent::Plugin::AddEmptyArray, a plugin for Fluentd

Fluentd plugin to add empty array.

Installation

Add this line to your application's Gemfile:

gem 'fluent-plugin-add_empty_array'

And then execute:

$ bundle

Or install it yourself as:

$ gem install fluent-plugin-add_empty_array

Usage

default usage

<match test>
  type            add_empty_array
  array_type_key  test3,test4
</match>

input
"test" {
  "test1": "foo",
  "test2": "bar"
}

output
  "add_empty_array.test" {
    "test1": "foo",
    "test2": "bar",
    "test3": [],
    "test4": []
  }

change tag prefix (default tag prefix is "add_empty_array.")

<match test>
  type            add_empty_array
  array_type_key  test3,test4
  tag_prefix      prefix_test.
</match>

input
"test" {
  "test1": "foo",
  "test2": "bar"
}

output
  "prefix_test.test" {
    "test1": "foo",
    "test2": "bar",
    "test3": [],
    "test4": []
  }

Option Parameters

array_type_key :keys delimited by commas

array_type_key points to keys which you want complement with "[]" if there are no those keys. You should set value to array_type_key like this. Default value is 'nil'. Require option.

array_type_key  foo

array_type_key  foo,bar,baz

If you use this plugin with key include commas, you must use delimiter option like this. This example, use '.' as delimiter.

  type            add_empty_array
  array_type_key  test,3.test,4
  delimiter       .

delimiter :String

Default value is ','.

tag_prefix :String

Added tag prefix. Default value is "parsed."

Change log

See CHANGELOG.md for details.

Contributing

1. Fork it ( https://github.com/h-michael-z/fluent-plugin-add_empty_array/fork )
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 a new Pull Request