Method: Fluent::SwiftOutput#write

Defined in:
lib/fluent/plugin/out_swift.rb

#write(chunk) ⇒ Object 



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# File 'lib/fluent/plugin/out_swift.rb', line 119

def write(chunk)
  i = 0

  begin
    path = @path_slicer.call(@path)
    values_for_swift_object_key = {
      "path" => path,
      "time_slice" => chunk.key,
      "file_extension" => @ext,
      "index" => i
    }
    swift_path = @swift_object_key_format.gsub(%r(%{[^}]+})) { |expr|
      values_for_swift_object_key[expr[2...expr.size-1]]
    }
    i += 1
  end while check_object_exists(@swift_container, swift_path)

  tmp = Tempfile.new("swift-")
  begin
    if @store_as == "gzip"
      w = Zlib::GzipWriter.new(tmp)
      chunk.write_to(w)
      w.close
    elsif @store_as == "lzo"
      w = Tempfile.new("chunk-tmp")
      chunk.write_to(w)
      w.close
      tmp.close
      # We don't check the return code because we can't recover lzop failure.
      system "lzop -qf1 -o #{tmp.path} #{w.path}"
    else
      chunk.write_to(tmp)
      tmp.close
    end
    File.open(tmp.path) do |file|
      @storage.put_object(@swift_container, swift_path, file, {:content_type => @mime_type})
    end
    $log.info "Put Log to Swift. container=#{@swift_container} object=#{swift_path}"
  ensure
    tmp.close(true) rescue nil
    w.close rescue nil
    w.unlink rescue nil
  end
end