Class: Fluent::TagdataOutput

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

Defined Under Namespace

Classes: Error

Instance Method Summary collapse

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/out_tagdata.rb', line 13

def configure(conf)
  super
  if @out_keys.empty?
    raise ConfigError, "out_tagdata: out_keys option is required on out_tagdata output."
  end
  if @firstpoint < 0
    raise ConfigError, "out_tagdata: firstpoint option is required a zero or positive number."
  end
end

#emit(tag, es, chain) ⇒ Object 



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# File 'lib/fluent/plugin/out_tagdata.rb', line 23

def emit(tag, es, chain)
  es.each do |time,record|
    tagd = tag.dup
    get_mapped_tag_to_out_keys(tagd, time, record)
    filter_record(tagd, time, record)
    Fluent::Engine.emit(tagd, time, record)
  end
  chain.next
end

#get_mapped_tag_to_out_keys(tag, time, record) ⇒ Object 



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# File 'lib/fluent/plugin/out_tagdata.rb', line 33

def get_mapped_tag_to_out_keys(tag, time, record)
  tags = tag.split('.')
  @firstpoint.times do
    tags.shift
  end
  tagdata = {}
  key_end = nil
  @out_keys.each do |key,value|
    tagdata.store( key, tags.shift )
    key_end = key
  end
  if !tags.empty?
    tagdata[key_end] = tagdata[key_end] + '.' + tags.join('.')
  end
  tagdata.each do |key,value|
    record[key] = value
  end
end