A fluent plugin to add script-run result to existing json data

Install it yourself as:

$ fluent-gem install fluent-plugin-script_append

<match access.foo>
  type script_append
  # currently only ruby supported
  language ruby
  run_script record['one'].to_i + record['two'].to_i
  key three
</match>

Input:

{
  "one" : 1,
  "two" : 2
}

Then get emitted:

{
  "one" : 1,
  "two" : 2,
  "three" : 3
}

• key, A key for added record to use in json. Required
• language, A language of script, default to ruby, available: ruby, sh(ell)
  • In language ruby, the record to add is the value of specified expression
  • In language shell, the record to add is the stdout of specified shell script
• run_script, A script for generating data. Required
• record_var_name, A variable name for original json data in ruby script. Default to record
• new_tag, A tag name to use in new emissions
• prefix, A tag prefix to add original tag in new emissions. new_tag or prefix is required

• https://github.com/ephemeralsnow/fluent-plugin-eval-filter

1. Fork it ( https://github.com/[my-github-username]/fluent-plugin-script_append/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