203 lines
6.8 KiB
Ruby
203 lines
6.8 KiB
Ruby
# Autoload all classes that we want to instrument, and instrument the methods we
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# need. This takes the Gitlab::Metrics::Instrumentation module as an argument so
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# that we can stub it for testing, as it is only called when metrics are
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# enabled.
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#
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# rubocop:disable Metrics/AbcSize
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def instrument_classes(instrumentation)
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instrumentation.instrument_instance_methods(Gitlab::Shell)
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instrumentation.instrument_methods(Gitlab::Git)
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Gitlab::Git.constants.each do |name|
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const = Gitlab::Git.const_get(name)
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next unless const.is_a?(Module)
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instrumentation.instrument_methods(const)
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instrumentation.instrument_instance_methods(const)
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end
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# Path to search => prefix to strip from constant
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paths_to_instrument = {
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%w(app finders) => %w(app finders),
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%w(app mailers emails) => %w(app mailers),
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# Don't instrument `app/services/concerns`
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# It contains modules that are included in the services.
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# The services themselves are instrumented so the methods from the modules
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# are included.
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%w(app services [^concerns]**) => %w(app services),
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%w(lib gitlab conflicts) => ['lib'],
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%w(lib gitlab diff) => ['lib'],
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%w(lib gitlab email message) => ['lib'],
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%w(lib gitlab checks) => ['lib']
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}
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paths_to_instrument.each do |(path, prefix)|
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prefix = Rails.root.join(*prefix)
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Dir[Rails.root.join(*path + ['*.rb'])].each do |file_path|
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path = Pathname.new(file_path).relative_path_from(prefix)
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const = path.to_s.sub('.rb', '').camelize.constantize
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instrumentation.instrument_methods(const)
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instrumentation.instrument_instance_methods(const)
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end
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end
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instrumentation.instrument_methods(Premailer::Adapter::Nokogiri)
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instrumentation.instrument_instance_methods(Premailer::Adapter::Nokogiri)
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[
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:Blame, :Branch, :BranchCollection, :Blob, :Commit, :Diff, :Repository,
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:Tag, :TagCollection, :Tree
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].each do |name|
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const = Rugged.const_get(name)
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instrumentation.instrument_methods(const)
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instrumentation.instrument_instance_methods(const)
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end
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# Instruments all Banzai filters and reference parsers
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{
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Filter: Rails.root.join('lib', 'banzai', 'filter', '*.rb'),
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ReferenceParser: Rails.root.join('lib', 'banzai', 'reference_parser', '*.rb')
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}.each do |const_name, path|
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Dir[path].each do |file|
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klass = File.basename(file, File.extname(file)).camelize
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const = Banzai.const_get(const_name).const_get(klass)
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instrumentation.instrument_methods(const)
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instrumentation.instrument_instance_methods(const)
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end
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end
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instrumentation.instrument_methods(Banzai::Renderer)
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instrumentation.instrument_methods(Banzai::Querying)
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instrumentation.instrument_instance_methods(Banzai::ObjectRenderer)
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instrumentation.instrument_instance_methods(Banzai::Redactor)
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instrumentation.instrument_methods(Banzai::NoteRenderer)
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[Issuable, Mentionable, Participable].each do |klass|
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instrumentation.instrument_instance_methods(klass)
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instrumentation.instrument_instance_methods(klass::ClassMethods)
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end
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instrumentation.instrument_methods(Gitlab::ReferenceExtractor)
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instrumentation.instrument_instance_methods(Gitlab::ReferenceExtractor)
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# Instrument the classes used for checking if somebody has push access.
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instrumentation.instrument_instance_methods(Gitlab::GitAccess)
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instrumentation.instrument_instance_methods(Gitlab::GitAccessWiki)
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instrumentation.instrument_instance_methods(API::Helpers)
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instrumentation.instrument_instance_methods(RepositoryCheck::SingleRepositoryWorker)
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instrumentation.instrument_instance_methods(Rouge::Plugins::Redcarpet)
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instrumentation.instrument_instance_methods(Rouge::Formatters::HTMLGitlab)
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[:XML, :HTML].each do |namespace|
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namespace_mod = Nokogiri.const_get(namespace)
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instrumentation.instrument_methods(namespace_mod)
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instrumentation.instrument_methods(namespace_mod::Document)
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end
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instrumentation.instrument_methods(Rinku)
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instrumentation.instrument_instance_methods(Repository)
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instrumentation.instrument_methods(Gitlab::Highlight)
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instrumentation.instrument_instance_methods(Gitlab::Highlight)
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# This is a Rails scope so we have to instrument it manually.
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instrumentation.instrument_method(Project, :visible_to_user)
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# Needed for https://gitlab.com/gitlab-org/gitlab-ce/issues/30224#note_32306159
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instrumentation.instrument_instance_method(MergeRequestDiff, :load_commits)
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end
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# rubocop:enable Metrics/AbcSize
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Gitlab::Metrics::UnicornSampler.initialize_instance(Settings.prometheus.unicorn_sampler_interval).start
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Gitlab::Application.configure do |config|
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# 0 should be Sentry to catch errors in this middleware
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config.middleware.insert(1, Gitlab::Metrics::ConnectionRackMiddleware)
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end
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if Gitlab::Metrics.enabled?
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require 'pathname'
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require 'influxdb'
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require 'connection_pool'
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require 'method_source'
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# These are manually require'd so the classes are registered properly with
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# ActiveSupport.
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require_dependency 'gitlab/metrics/subscribers/action_view'
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require_dependency 'gitlab/metrics/subscribers/active_record'
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require_dependency 'gitlab/metrics/subscribers/rails_cache'
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Gitlab::Application.configure do |config|
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config.middleware.use(Gitlab::Metrics::RackMiddleware)
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config.middleware.use(Gitlab::Middleware::RailsQueueDuration)
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end
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Sidekiq.configure_server do |config|
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config.server_middleware do |chain|
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chain.add Gitlab::Metrics::SidekiqMiddleware
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end
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end
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# This instruments all methods residing in app/models that (appear to) use any
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# of the ActiveRecord methods. This has to take place _after_ initializing as
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# for some unknown reason calling eager_load! earlier breaks Devise.
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Gitlab::Application.config.after_initialize do
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Rails.application.eager_load!
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models = Rails.root.join('app', 'models').to_s
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regex = Regexp.union(
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ActiveRecord::Querying.public_instance_methods(false).map(&:to_s)
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)
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Gitlab::Metrics::Instrumentation
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.instrument_class_hierarchy(ActiveRecord::Base) do |klass, method|
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# Instrumenting the ApplicationSetting class can lead to an infinite
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# loop. Since the data is cached any way we don't really need to
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# instrument it.
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if klass == ApplicationSetting
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false
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else
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loc = method.source_location
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loc && loc[0].start_with?(models) && method.source =~ regex
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end
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end
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end
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Gitlab::Metrics::Instrumentation.configure do |config|
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instrument_classes(config)
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end
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GC::Profiler.enable
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Gitlab::Metrics::InfluxSampler.initialize_instance.start
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module TrackNewRedisConnections
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def connect(*args)
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val = super
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if current_transaction = Gitlab::Metrics::Transaction.current
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current_transaction.increment(:new_redis_connections, 1)
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end
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val
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end
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end
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class ::Redis::Client
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prepend TrackNewRedisConnections
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end
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end
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