Class: Fluent::UnwindOutput

Inherits:
Output
  • Object
show all
Defined in:
lib/fluent/plugin/out_unwind.rb

Constant Summary collapse

REQUIRED_PARAMS = 
%w(output_tag unwind_key)

Instance Method Summary collapse

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/out_unwind.rb', line 9

def configure(conf)
  super
  REQUIRED_PARAMS.each do |param|
    unless config.has_key?(param)
      raise Fluent::ConfigError, "#{param} field is required"
    end
  end
end

#emit(tag, es, chain) ⇒ Object 



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# File 'lib/fluent/plugin/out_unwind.rb', line 18

def emit(tag, es, chain)
  es.each do |time, record|
    chain.next
    if record[unwind_key] && record[unwind_key].is_a?(Array)
      record[unwind_key].each do |value|
        new_record = record.dup
        new_record[unwind_key] = value
        Fluent::Engine.emit(output_tag, time, new_record)
      end
    else
      Fluent::Engine.emit(output_tag, time, record)
    end
  end
end