Class: Fluent::Plugin::NotifierOutput::Test

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(section) ⇒ Test

Returns a new instance of Test.



257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
 
# File 'lib/fluent/plugin/out_notifier.rb', line 257

def initialize(section)
  @check = section.check
  @target_key = section.target_key
  case @check
  when :tag
    if !section.include_pattern && !section.exclude_pattern
      raise Fluent::ConfigError, "At least one of include_pattern or exclude_pattern must be specified for 'check tag'"
    end
    @include_pattern = section.include_pattern ? Regexp.compile(section.include_pattern) : nil
    @exclude_pattern = section.exclude_pattern ? Regexp.compile(section.exclude_pattern) : nil
  when :numeric
    if !section.lower_threshold && !section.upper_threshold
      raise Fluent::ConfigError, "At least one of lower_threshold or upper_threshold must be specified for 'check numeric'"
    end
    raise Fluent::ConfigError, "'target_key' is needed for 'check numeric'" unless @target_key
    @lower_threshold = section.lower_threshold
    @upper_threshold = section.upper_threshold
  when :regexp
    if !section.include_pattern && !section.exclude_pattern
      raise Fluent::ConfigError, "At least one of include_pattern or exclude_pattern must be specified for 'check regexp'"
    end
    raise Fluent::ConfigError, "'target_key' is needed for 'check regexp'" unless @target_key
    @include_pattern = section.include_pattern ? Regexp.compile(section.include_pattern) : nil
    @exclude_pattern = section.exclude_pattern ? Regexp.compile(section.exclude_pattern) : nil
  else
    raise "BUG: unknown check: #{@check}"
  end
end

Instance Attribute Details

#check ⇒ Object

Returns the value of attribute check.



253
254
255
 
# File 'lib/fluent/plugin/out_notifier.rb', line 253

def check
  @check
end

#exclude_pattern ⇒ Object

Returns the value of attribute exclude_pattern.



255
256
257
 
# File 'lib/fluent/plugin/out_notifier.rb', line 255

def exclude_pattern
  @exclude_pattern
end

#include_pattern ⇒ Object

Returns the value of attribute include_pattern.



255
256
257
 
# File 'lib/fluent/plugin/out_notifier.rb', line 255

def include_pattern
  @include_pattern
end

#lower_threshold ⇒ Object

Returns the value of attribute lower_threshold.



254
255
256
 
# File 'lib/fluent/plugin/out_notifier.rb', line 254

def lower_threshold
  @lower_threshold
end

#target_key ⇒ Object

Returns the value of attribute target_key.



253
254
255
 
# File 'lib/fluent/plugin/out_notifier.rb', line 253

def target_key
  @target_key
end

#upper_threshold ⇒ Object

Returns the value of attribute upper_threshold.



254
255
256
 
# File 'lib/fluent/plugin/out_notifier.rb', line 254

def upper_threshold
  @upper_threshold
end

Instance Method Details

#test(tag, record) ⇒ Object 



286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
 
# File 'lib/fluent/plugin/out_notifier.rb', line 286

def test(tag, record)
  v = case @check
      when :numeric, :regexp
        record[@target_key]
      when :tag
        tag
      end
  return false if v.nil?

  case @check
  when :numeric
    v = v.to_f
    (@lower_threshold.nil? or @lower_threshold <= v) and (@upper_threshold.nil? or v <= @upper_threshold)
  when :tag, :regexp
    v = v.to_s.force_encoding('ASCII-8BIT')
    ((@include_pattern.nil? or @include_pattern.match(v)) and (@exclude_pattern.nil? or (not @exclude_pattern.match(v)))) or false
  end
end