Class: Fluent::ElasticsearchSlowQueryLogParser

Inherits:
Parser
  • Object
show all
Defined in:
lib/fluent/plugin/parser_es_slow_query.rb

Constant Summary collapse

REGEXP = 
/^\[(?<time>\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2},\d{3})\]\[(?<severity>[a-zA-Z]+\s*)\]\[(?<source>\S+)\] \[(?<node>\S+)\] \[(?<index>\w+)\]\[(?<shard>\d+)\] took\[(?<took>.+)\], took_millis\[(?<took_millis>\d+)\], types\[(?<types>.*)\], stats\[(?<stats>.*)\], search_type\[(?<search_type>.*)\], total_shards\[(?<total_shards>\d+)\], source\[(?<source_body>.*)\], extra_source\[(?<extra_source>.*)\]/
TIME_FORMAT = 
"%Y-%m-%d %H:%M:%S,%N"

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ElasticsearchSlowQueryLogParser

Returns a new instance of ElasticsearchSlowQueryLogParser.



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# File 'lib/fluent/plugin/parser_es_slow_query.rb', line 8

def initialize
  super
  @time_parser = TextParser::TimeParser.new(TIME_FORMAT)
  @mutex = Mutex.new
end

Instance Method Details

#parse(text) ⇒ Object 



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# File 'lib/fluent/plugin/parser_es_slow_query.rb', line 18

def parse(text)
  m = REGEXP.match(text)
  unless m
    if block_given?
      yield nil, nil
      return
    else
      return nil, nil
    end
  end

  shard = m['shard'].to_i
  took_millis = m['took_millis'].to_i
  total_shards = m['total_shards'].to_i

  time = m['time']
  time = @mutex.synchronize { @time_parser.parse(time) }

  record = {
    'severity' => m['severity'],
    'source' => m['source'],
    'node' => m['node'],
    'index' => m['index'],
    'shard' => shard,
    'took' => m['took'],
    'took_millis' => took_millis,
    'types' => m['types'],
    'stats' => m['stats'],
    'search_type' => m['search_type'],
    'total_shards' => total_shards,
    'source_body' => m['source_body'],
    'extra_source' => m['extra_source']
  }
  record["time"] = m['time'] if @keep_time_key

  if block_given?
    yield time, record
  else
    return time, record
  end
end

#patterns ⇒ Object 



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# File 'lib/fluent/plugin/parser_es_slow_query.rb', line 14

def patterns
  {'format' => REGEXP, 'time_format' => TIME_FORMAT}
end