Class: Fluent::MuleFilter

Inherits:
Filter
  • Object
show all
Defined in:
lib/fluent/plugin/filter_mule.rb

Instance Method Summary collapse

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/filter_mule.rb', line 15

def configure(conf)
  super
  # TimeParser class is already given. It takes a single argument as the time format
  # to parse the time string with.
  @time_parser = Fluent::TextParser::TimeParser.new(@time_format)
end

#filter(tag, time, record) ⇒ Object 



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# File 'lib/fluent/plugin/filter_mule.rb', line 34

def filter(tag, time, record)
  # This method implements the filtering logic for individual filters
  # It is internal to this class and called by filter_stream unless
  # the user overrides filter_stream.
  #
  # Since our example is a pass-thru filter, it does nothing and just
  # returns the record as-is.
  # If returns nil, that records are ignored.
  text = record['message']
  puts "TEXT: " + text

  match = text.match(/^(?<log_level>[\w]+)\s(?<log_time>\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}:\d{2},\d{3})\s\[(?<thread>.+)\]\s(?<position>[^:]+):\s(?<kv_pairs>.*?)\s?(?<payload>payload=.*)?$/)

  if match.nil?
    puts 'match is nil'
    return record
  end

  puts '1'
  if match.names.include? 'log_level'
    record['mule_log_level'] = match['log_level']
  end
  puts '2'
  if match.names.include? 'log_time'
    record['mule_log_time'] = match['log_time']
  end
  puts '3'
  if match.names.include? 'thread'
    record['mule_thread'] = match['thread']
  end
  puts '4'
  if match.names.include? 'position'
    record['mule_position'] = match['position']
  end       
  puts '5'
  if match.names.include? 'kv_pairs'
    kv_match = match['kv_pairs'].match(/(\w+)=([\w|-]+)\s/)
    if kv_match == nil
      puts 'Couldn\'t find kv pairs'
      return record 
    end

    match['kv_pairs'].split(@kv_delimiter).each { |kv|
      k, v = kv.split(@kv_char, 2)
      record['mule_' + k] = v
    }
  end
  puts '6'

  if (match.names.include? 'payload') && !match['payload'].nil?
    puts '6.1'
    k, v = match['payload'].split('=', 2)
    puts '6.2'
    record['mule_' + k] = v
  end
    
  puts '7'
  puts 'record[log_time]: ' + record['mule_log_time']
  puts 'record[log_time].nil?: ' + record['mule_log_time'].nil?.to_s
  puts 'timeParse?: ' + @time_parse.to_s
  if @time_parse && !record['log_time'].nil? 
    puts '7.1'
    new_time = @time_parser.parse(record['mule_log_time'])
    record.delete('time')
    record['time'] = current_time
  end
  puts '8'
  record.delete('message')
  puts '9'
  record
end

#shutdown ⇒ Object 



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# File 'lib/fluent/plugin/filter_mule.rb', line 28

def shutdown
  super
  # This method is called when Fluentd is shutting down.
  # Use it to free up resources, etc.
end

#start ⇒ Object 



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

def start
  super
  # This is the first method to be called when it starts running
  # Use it to allocate resources, etc.
end