fluent-plugin-extract-json is fluentd filter plugin extracts single JSON object from record.
fluent-gem install fluent-plugin-extract-json
<filter **>
@type extract_json
key jsonkey
</filter>
INPUT: {"jsonkey" => '{"a":1}', "notjsonkey" => 'ignored'}
CONFIG: key jsonkey
OUTPUT: {"a" => 1}
To test, run below commands.
$ bundle install
$ bundle exec rake
Bug reports and pull requests are welcome on GitHub at https://github.com/neguse/fluent-plugin-extract-json.
The gem is available as open source under the terms of the MIT License.