discourse/config/initializers/006-mini_profiler.rb

130 lines
4.6 KiB
Ruby

# frozen_string_literal: true
# If Mini Profiler is included via gem
if Rails.configuration.respond_to?(:load_mini_profiler) && Rails.configuration.load_mini_profiler &&
RUBY_ENGINE == "ruby"
require "rack-mini-profiler"
require "stackprof"
begin
require "memory_profiler"
rescue => e
STDERR.put "#{e} failed to require mini profiler"
end
# initialization is skipped so trigger it
Rack::MiniProfilerRails.initialize!(Rails.application)
end
if defined?(Rack::MiniProfiler) && defined?(Rack::MiniProfiler::Config)
# note, we may want to add some extra security here that disables mini profiler in a multi hosted env unless user global admin
# raw_connection means results are not namespaced
#
# namespacing gets complex, cause mini profiler is in the rack chain way before multisite
Rack::MiniProfiler.config.storage_instance =
Rack::MiniProfiler::RedisStore.new(connection: DiscourseRedis.new(nil, namespace: false))
Rack::MiniProfiler.config.snapshot_every_n_requests = GlobalSetting.mini_profiler_snapshots_period
Rack::MiniProfiler.config.snapshots_transport_destination_url =
GlobalSetting.mini_profiler_snapshots_transport_url
Rack::MiniProfiler.config.snapshots_transport_auth_key =
GlobalSetting.mini_profiler_snapshots_transport_auth_key
Rack::MiniProfiler.config.skip_paths =
%w[
/assets/
/cdn_asset/
/extra-locales/
/favicon/proxied
/highlight-js/
/images/
/javascripts/
/letter_avatar_proxy/
/letter_avatar/
/logs
/manifest.webmanifest
/message-bus/
/opensearch.xml
/presence/
/secure-media-uploads/
/secure-uploads/
/srv/status
/stylesheets/
/svg-sprite/
/theme-javascripts
/topics/timings
/uploads/
/user_avatar/
/theme-qunit
].map { |path| "#{Discourse.base_path}#{path}" }
# we DO NOT WANT mini-profiler loading on anything but real desktops and laptops
# so let's rule out all handheld, tablet, and mobile devices
Rack::MiniProfiler.config.pre_authorize_cb =
lambda { |env| env["HTTP_USER_AGENT"] !~ /iPad|iPhone|Android/ }
# without a user provider our results will use the ip address for namespacing
# with a load balancer in front this becomes really bad as some results can
# be stored associated with ip1 as the user and retrieved using ip2 causing 404s
Rack::MiniProfiler.config.user_provider =
lambda do |env|
request = Rack::Request.new(env)
id = request.cookies["_t"] || request.ip || "unknown"
id = id.to_s
# some security, lets not have these tokens floating about
Digest::MD5.hexdigest(id)
end
# Cookie path should be set to the base path so Discourse's session cookie path
# does not get clobbered.
Rack::MiniProfiler.config.cookie_path = Discourse.base_path.presence || "/"
Rack::MiniProfiler.config.position = "right"
Rack::MiniProfiler.config.backtrace_ignores ||= []
Rack::MiniProfiler.config.backtrace_ignores << %r{lib/rack/message_bus.rb}
Rack::MiniProfiler.config.backtrace_ignores << %r{config/initializers/silence_logger}
Rack::MiniProfiler.config.backtrace_ignores << %r{config/initializers/quiet_logger}
Rack::MiniProfiler.config.backtrace_includes = [%r{^/?(app|config|lib|test|plugins)}]
Rack::MiniProfiler.config.max_traces_to_show = 100 if Rails.env.development?
Rack::MiniProfiler.counter_method(Redis::Client, :call) { "redis" }
# Rack::MiniProfiler.counter_method(ActiveRecord::QueryMethods, 'build_arel')
# Rack::MiniProfiler.counter_method(Array, 'uniq')
# require "#{Rails.root}/vendor/backports/notification"
# inst = Class.new
# class << inst
# def start(name,id,payload)
# if Rack::MiniProfiler.current && name !~ /(process_action.action_controller)|(render_template.action_view)/
# @prf ||= {}
# @prf[id] ||= []
# @prf[id] << Rack::MiniProfiler.start_step("#{payload[:serializer] if name =~ /serialize.serializer/} #{name}")
# end
# end
# def finish(name,id,payload)
# if Rack::MiniProfiler.current && name !~ /(process_action.action_controller)|(render_template.action_view)/
# t = @prf[id].pop
# @prf.delete id unless t
# Rack::MiniProfiler.finish_step t
# end
# end
# end
# disabling for now cause this slows stuff down too much
# ActiveSupport::Notifications.subscribe(/.*/, inst)
# Rack::MiniProfiler.profile_method ActionView::PathResolver, 'find_templates'
end
if ENV["PRINT_EXCEPTIONS"]
trace =
TracePoint.new(:raise) do |tp|
puts tp.raised_exception
puts tp.raised_exception.backtrace.join("\n")
puts
end
trace.enable
end