Class: Fluent::Plugin::DirectoryInput

Inherits:
Input
  • Object
show all
Defined in:
lib/fluent/plugin/in_directory.rb

Instance Method Summary collapse

Instance Method Details

#start ⇒ Object 



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# File 'lib/fluent/plugin/in_directory.rb', line 41

def start
  super

  begin
    # Scan files indefinitely
    loop do
      # Use a stream to submit multiple events at the same time
      multiEventStream = MultiEventStream.new

      # Use the current time as the event time
      time = Fluent::Engine.now

      # Read filenames in the directory
      Dir.glob(@path + '/*') do |filename|
        # Ignore already processed files
        next if filename.end_with? @extension

        # Add the record to the stream
        multiEventStream.add(
          time,
          { @content_key => File.read(filename), @file_key => filename }
        )

        # Mark the file as processed
        File.rename(filename, filename + @extension)
      end

      # Send the events
      router.emit_stream(tag, multiEventStream)

      # Wait before the next scan
      sleep(@run_interval)
    end
  rescue Exception => e
    $log.warn 'Directory input error: ', e
    $log.debug_backtrace(e.backtrace)
  end
end