Class: Fluent::RecordModifierOutput

Inherits:
Output
  • Object
show all
Includes:
SetTagKeyMixin
Defined in:
lib/fluent/plugin/out_record_modifier.rb

Constant Summary collapse

BUILTIN_CONFIGURATIONS = 
%W(type tag include_tag_key tag_key char_encoding remove_keys whitelist_keys)

Instance Method Summary collapse

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/out_record_modifier.rb', line 36

def configure(conf)
  super

  @map = {}
  conf.each_pair { |k, v|
    unless BUILTIN_CONFIGURATIONS.include?(k)
      check_config_placeholders(k, v)
      conf.has_key?(k)
      @map[k] = v
    end
  }

  if @char_encoding
    from, to = @char_encoding.split(':', 2)
    @from_enc = Encoding.find(from)
    @to_enc = Encoding.find(to) if to

    m = if @to_enc
          method(:convert_encoding)
        else
          method(:set_encoding)
        end

    (class << self; self; end).module_eval do
      define_method(:change_encoding, m)
    end
  end

  if @remove_keys and @whitelist_keys
    raise Fluent::ConfigError, "remove_keys and whitelist_keys are exclusive with each other."
  elsif @remove_keys
    @remove_keys = @remove_keys.split(',').map(&:strip)
  elsif @whitelist_keys
    @whitelist_keys = @whitelist_keys.split(',').map(&:strip)
  end
end

#emit(tag, es, chain) ⇒ Object 



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# File 'lib/fluent/plugin/out_record_modifier.rb', line 73

def emit(tag, es, chain)
  stream = MultiEventStream.new
  es.each { |time, record|
    filter_record(tag, time, record)
    stream.add(time, modify_record(record))
  }
  Fluent::Engine.emit_stream(@tag, stream)

  chain.next
end