Class: Fluent::TagFileOutput

Inherits:
FileOutput
  • Object
show all
Defined in:
lib/fluent/plugin/out_tag_file.rb

Instance Method Summary collapse

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/out_tag_file.rb', line 5

def configure(conf)
  conf['buffer_path'] ||= File.join(conf['path'], 'buffer')

  super
end

#format(tag, time, record) ⇒ Object 



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# File 'lib/fluent/plugin/out_tag_file.rb', line 11

def format(tag, time, record)
  tag_elems = tag.split('.')
  tag_elems.shift  # remove PREFIX
  dir = File.join(@path, *tag_elems)

  # @timef is assigned in FileOutput.configure
  time_str = @timef.format(time)

  [dir, "#{time_str}\t#{Yajl.dump(record)}\n"].to_msgpack
end

#write(chunk) ⇒ Object 



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# File 'lib/fluent/plugin/out_tag_file.rb', line 22

def write(chunk)
  case @compress
  when nil
    suffix = ''
  when :gz
    suffix = '.gz'
  end

  hash = {}
  chunk.msgpack_each do |(dir, data)|
    sym = dir.to_sym
    if hash.include?(sym)
      hash[sym] += data
    else
      hash[sym] = data
    end
  end

  hash.each do |dir, data|
    dir = File.join(dir.to_s, chunk.key)

    i = 0
    begin
      path = File.join(dir, "#{i}.log#{suffix}")
      i += 1
    end while File.exist?(path)
    FileUtils.mkdir_p dir

    case @compress
    when nil
      File.open(path, 'a') {|f| f.write(data) }
    when :gz
      Zlib::GzipWriter.open(path) {|f| f.write(data) }
    end
  end
end