82 lines
3.3 KiB
Ruby
82 lines
3.3 KiB
Ruby
# If Mini Profiler is included via gem
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if Rails.configuration.respond_to?(:load_mini_profiler) && Rails.configuration.load_mini_profiler
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require 'rack-mini-profiler'
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require 'flamegraph'
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# TODO support Ruby 2.2 once bundler fixes itself
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require 'memory_profiler' if RUBY_VERSION >= "2.1.0" && RUBY_VERSION < "2.2.0"
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# initialization is skipped so trigger it
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Rack::MiniProfilerRails.initialize!(Rails.application)
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end
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if defined?(Rack::MiniProfiler)
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# note, we may want to add some extra security here that disables mini profiler in a multi hosted env unless user global admin
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# raw_connection means results are not namespaced
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#
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# namespacing gets complex, cause mini profiler is in the rack chain way before multisite
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Rack::MiniProfiler.config.storage_instance = Rack::MiniProfiler::RedisStore.new(connection: DiscourseRedis.raw_connection)
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# For our app, let's just show mini profiler always, polling is chatty so nuke that
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Rack::MiniProfiler.config.pre_authorize_cb = lambda do |env|
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path = env['PATH_INFO']
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(env['HTTP_USER_AGENT'] !~ /iPad|iPhone|Nexus 7|Android/) &&
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(path !~ /^\/message-bus/) &&
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(path !~ /topics\/timings/) &&
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(path !~ /assets/) &&
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(path !~ /\/user_avatar\//) &&
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(path !~ /\/letter_avatar\//) &&
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(path !~ /qunit/) &&
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(path !~ /srv\/status/) &&
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(path !~ /commits-widget/) &&
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(path !~ /^\/cdn_asset/) &&
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(path !~ /^\/logs/)
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end
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# without a user provider our results will use the ip address for namespacing
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# with a load balancer in front this becomes really bad as some results can
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# be stored associated with ip1 as the user and retrieved using ip2 causing 404s
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Rack::MiniProfiler.config.user_provider = lambda do |env|
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request = Rack::Request.new(env)
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id = request.cookies["_t"] || request.ip || "unknown"
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id = id.to_s
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# some security, lets not have these tokens floating about
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Digest::MD5.hexdigest(id)
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end
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Rack::MiniProfiler.config.position = 'left'
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Rack::MiniProfiler.config.backtrace_ignores ||= []
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Rack::MiniProfiler.config.backtrace_ignores << /lib\/rack\/message_bus.rb/
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Rack::MiniProfiler.config.backtrace_ignores << /config\/initializers\/silence_logger/
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Rack::MiniProfiler.config.backtrace_ignores << /config\/initializers\/quiet_logger/
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# Rack::MiniProfiler.counter_method(ActiveRecord::QueryMethods, 'build_arel')
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# Rack::MiniProfiler.counter_method(Array, 'uniq')
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# require "#{Rails.root}/vendor/backports/notification"
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# inst = Class.new
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# class << inst
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# def start(name,id,payload)
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# if Rack::MiniProfiler.current && name !~ /(process_action.action_controller)|(render_template.action_view)/
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# @prf ||= {}
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# @prf[id] ||= []
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# @prf[id] << Rack::MiniProfiler.start_step("#{payload[:serializer] if name =~ /serialize.serializer/} #{name}")
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# end
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# end
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# def finish(name,id,payload)
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# if Rack::MiniProfiler.current && name !~ /(process_action.action_controller)|(render_template.action_view)/
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# t = @prf[id].pop
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# @prf.delete id unless t
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# Rack::MiniProfiler.finish_step t
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# end
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# end
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# end
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# disabling for now cause this slows stuff down too much
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# ActiveSupport::Notifications.subscribe(/.*/, inst)
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# Rack::MiniProfiler.profile_method ActionView::PathResolver, 'find_templates'
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end
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