Class: Fluent::RandomOutput

Inherits:
Output
  • Object
show all
Includes:
HandleTagNameMixin
Defined in:
lib/fluent/plugin/out_random.rb

Instance Method Summary collapse

Instance Method Details

#check_valid_interval(lower, upper) ⇒ Object 



22
23
24
25
26
 
# File 'lib/fluent/plugin/out_random.rb', line 22

def check_valid_interval(lower, upper)
  if (lower >= upper)
    raise "random: Bad interval for 'integer' (#{lower} >= #{upper})"
  end
end

#configure(conf) ⇒ Object 



29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
 
# File 'lib/fluent/plugin/out_random.rb', line 29

def configure(conf)
  super

  if (field.nil? || integer.nil?)
    raise ConfigError, "random: 'field' is required to be set."
  end

  if (integer.nil?)
    raise ConfigError, "random: 'integer' is required to be set."
  end

  @integer_interval = parse_integer_field(integer)
  check_valid_interval(@integer_interval[0], @integer_interval[1])
  @field = field
  @random  = Random.new()
end

#emit(tag, es, chain) ⇒ Object 



46
47
48
49
50
51
52
53
54
 
# File 'lib/fluent/plugin/out_random.rb', line 46

def emit(tag, es, chain)
  es.each { |time, record|
    t = tag.dup
    filter_record(t, time, record)
    Engine.emit(t, time, record)
  }

  chain.next
end

#parse_integer_field(interval) ⇒ Object 



14
15
16
17
18
19
20
 
# File 'lib/fluent/plugin/out_random.rb', line 14

def parse_integer_field(interval)
  lower_upper = interval.split("..", 2).map{|value| Integer(value) }
  if (lower_upper.length != 2 || !lower_upper[0].is_a?(Integer) || !lower_upper[1].is_a?(Integer))
    raise "random: Bad value for 'integer' (value: '#{interval}')"
  end
  return lower_upper
end