fluent-plugin-json_expander

Installation

Install it yourself as:

$ fluent-gem install fluent-plugin-json_expander

Usage

<match access.summary>
  type json_expander
  subtype growthforecast
  delete_used_key false # or true if you want to delete the key
                        # used in template construction

  <template>
    gfapi_url http://127.0.0.1:5125/api/
    graph_path ${data[mothor_host]}/${data[vhost]}/${key_name}
    name_keys count_2xx,count_3xx,count_4xx,count_5xx
  </template>
</match>

With data:

// tag = access.summary
{
  "mother_host": "kvm001.udzura.jp",
  "vhost": "front.udzura.com",
  "count_2xx": 1234,
  "count_3xx": 567,
  "...": "..."
}

Will extracted to below:

<match>
  type growthforecast
  gfapi_url http://127.0.0.1:5125/api/
  graph_path kvm001.udzura.jp/front.udzura.com/${key_name}
  name_keys count_2xx,count_3xx,count_4xx,count_5xx
</match>

Options

• delete_used_key - Deletes the key in the data when it is used to expand. Default: false
• handle_empty_as_error - Raise error that the value for the specified key is empty in template. Default: false

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake false to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/udzura/fluent-plugin-json_expander. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The gem is available as open source under the terms of the MIT License.