Class: RubyZipkin::TraceFilter

Inherits:
Object
  • Object
show all
Defined in:
lib/rubyzipkin/trace_filter.rb

Class Method Summary collapse

Class Method Details

.KeywordFilterMatches?(keyword, keyword_blacklist = []) ⇒ Boolean

Filter a string based on a keyword blacklist Meant to define if a key should be traced or not.

Returns:

  • (Boolean) 


38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
 
# File 'lib/rubyzipkin/trace_filter.rb', line 38

def self.KeywordFilterMatches?(keyword, keyword_blacklist = [])
  #exclude static content requests
  keyword_blacklist.each do |blacklisted|
    if keyword.to_s.match(/.*(#{blacklisted}).*/)
      return true
    end
  end

  PermanentFilter::HEADERS.each do |blacklisted|
    if keyword.to_s.match(/.*(#{blacklisted}).*/)
      return true
    end
  end

  false
end

.UriFilterMatches?(uri, keyword_blacklist = []) ⇒ Boolean

Filter uri’s from being traced based on their type or a keyword listed in the blacklist Known static content requests like fonts are filtered as well

Returns:

  • (Boolean) 


8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
# File 'lib/rubyzipkin/trace_filter.rb', line 8

def self.UriFilterMatches?(uri, keyword_blacklist = [])
  #exclude static content requests
  if uri.to_s.match(/.*(\.svg)|(\.ttf)|(\.ott)|(\.woff)/)
    return true
  end

  keyword_blacklist.each do |key|
    if uri.to_s.match(key)
      return true
    end
  end

  return false
end

.UriSamplingMatches?(uri, uri_hash = {}) ⇒ Boolean

Matcher to get a custom sample rate for a specific URI paths. returns the sample rate or nil

Returns:

  • (Boolean) 


25
26
27
28
29
30
31
32
33
34
 
# File 'lib/rubyzipkin/trace_filter.rb', line 25

def self.UriSamplingMatches?(uri, uri_hash = {})

  uri_hash.each do |key, value|
    if uri.to_s.match key
      return value
    end
  end

  return nil
end