1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
if Gitlab::Metrics.enabled?
require 'pathname'
require 'influxdb'
require 'connection_pool'
require 'method_source'
# These are manually require'd so the classes are registered properly with
# ActiveSupport.
require 'gitlab/metrics/subscribers/action_view'
require 'gitlab/metrics/subscribers/active_record'
require 'gitlab/metrics/subscribers/rails_cache'
Gitlab::Application.configure do |config|
config.middleware.use(Gitlab::Metrics::RackMiddleware)
config.middleware.use(Gitlab::Middleware::RailsQueueDuration)
end
Sidekiq.configure_server do |config|
config.server_middleware do |chain|
chain.add Gitlab::Metrics::SidekiqMiddleware
end
end
# This instruments all methods residing in app/models that (appear to) use any
# of the ActiveRecord methods. This has to take place _after_ initializing as
# for some unknown reason calling eager_load! earlier breaks Devise.
Gitlab::Application.config.after_initialize do
Rails.application.eager_load!
models = Rails.root.join('app', 'models').to_s
regex = Regexp.union(
ActiveRecord::Querying.public_instance_methods(false).map(&:to_s)
)
Gitlab::Metrics::Instrumentation.
instrument_class_hierarchy(ActiveRecord::Base) do |klass, method|
# Instrumenting the ApplicationSetting class can lead to an infinite
# loop. Since the data is cached any way we don't really need to
# instrument it.
if klass == ApplicationSetting
false
else
loc = method.source_location
loc && loc[0].start_with?(models) && method.source =~ regex
end
end
end
Gitlab::Metrics::Instrumentation.configure do |config|
config.instrument_instance_methods(Gitlab::Shell)
config.instrument_methods(Gitlab::Git)
Gitlab::Git.constants.each do |name|
const = Gitlab::Git.const_get(name)
next unless const.is_a?(Module)
config.instrument_methods(const)
config.instrument_instance_methods(const)
end
# Path to search => prefix to strip from constant
paths_to_instrument = {
['app', 'finders'] => ['app', 'finders'],
['app', 'mailers', 'emails'] => ['app', 'mailers'],
['app', 'services', '**'] => ['app', 'services'],
['lib', 'gitlab', 'diff'] => ['lib'],
['lib', 'gitlab', 'email', 'message'] => ['lib']
}
paths_to_instrument.each do |(path, prefix)|
prefix = Rails.root.join(*prefix)
Dir[Rails.root.join(*path + ['*.rb'])].each do |file_path|
path = Pathname.new(file_path).relative_path_from(prefix)
const = path.to_s.sub('.rb', '').camelize.constantize
config.instrument_methods(const)
config.instrument_instance_methods(const)
end
end
config.instrument_methods(Premailer::Adapter::Nokogiri)
config.instrument_instance_methods(Premailer::Adapter::Nokogiri)
[
:Blame, :Branch, :BranchCollection, :Blob, :Commit, :Diff, :Repository,
:Tag, :TagCollection, :Tree
].each do |name|
const = Rugged.const_get(name)
config.instrument_methods(const)
config.instrument_instance_methods(const)
end
# Instruments all Banzai filters and reference parsers
{
Filter: Rails.root.join('lib', 'banzai', 'filter', '*.rb'),
ReferenceParser: Rails.root.join('lib', 'banzai', 'reference_parser', '*.rb')
}.each do |const_name, path|
Dir[path].each do |file|
klass = File.basename(file, File.extname(file)).camelize
const = Banzai.const_get(const_name).const_get(klass)
config.instrument_methods(const)
config.instrument_instance_methods(const)
end
end
config.instrument_methods(Banzai::Renderer)
config.instrument_methods(Banzai::Querying)
config.instrument_instance_methods(Banzai::ObjectRenderer)
config.instrument_instance_methods(Banzai::Redactor)
config.instrument_methods(Banzai::NoteRenderer)
[Issuable, Mentionable, Participable].each do |klass|
config.instrument_instance_methods(klass)
config.instrument_instance_methods(klass::ClassMethods)
end
config.instrument_methods(Gitlab::ReferenceExtractor)
config.instrument_instance_methods(Gitlab::ReferenceExtractor)
# Instrument the classes used for checking if somebody has push access.
config.instrument_instance_methods(Gitlab::GitAccess)
config.instrument_instance_methods(Gitlab::GitAccessWiki)
config.instrument_instance_methods(API::Helpers)
config.instrument_instance_methods(RepositoryCheck::SingleRepositoryWorker)
config.instrument_instance_methods(Rouge::Plugins::Redcarpet)
config.instrument_instance_methods(Rouge::Formatters::HTMLGitlab)
[:XML, :HTML].each do |namespace|
namespace_mod = Nokogiri.const_get(namespace)
config.instrument_methods(namespace_mod)
config.instrument_methods(namespace_mod::Document)
end
config.instrument_methods(Rinku)
end
GC::Profiler.enable
Gitlab::Metrics::Sampler.new.start
module TrackNewRedisConnections
def connect(*args)
val = super
if current_transaction = Gitlab::Metrics::Transaction.current
current_transaction.increment(:new_redis_connections, 1)
end
val
end
end
class ::Redis::Client
prepend TrackNewRedisConnections
end
end
|
