From d567f21d4f4c3feb09a08443cf75eb583904093b Mon Sep 17 00:00:00 2001 From: Eugen Rochko Date: Thu, 26 Jan 2017 19:08:05 +0100 Subject: Improve StatsD instrumentation --- config/initializers/instrumentation.rb | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 config/initializers/instrumentation.rb (limited to 'config/initializers/instrumentation.rb') diff --git a/config/initializers/instrumentation.rb b/config/initializers/instrumentation.rb new file mode 100644 index 000000000..8483f2be2 --- /dev/null +++ b/config/initializers/instrumentation.rb @@ -0,0 +1,18 @@ +# frozen_string_literal: true + +instrumentation_hostname = ENV.fetch('INSTRUMENTATION_HOSTNAME') { 'localhost' } + +ActiveSupport::Notifications.subscribe(/process_action.action_controller/) do |*args| + event = ActiveSupport::Notifications::Event.new(*args) + controller = event.payload[:controller] + action = event.payload[:action] + format = event.payload[:format] || 'all' + format = 'all' if format == '*/*' + status = event.payload[:status] + key = "#{controller}.#{action}.#{format}.#{instrumentation_hostname}" + + ActiveSupport::Notifications.instrument :performance, action: :measure, measurement: "#{key}.total_duration", value: event.duration + ActiveSupport::Notifications.instrument :performance, action: :measure, measurement: "#{key}.db_time", value: event.payload[:db_runtime] + ActiveSupport::Notifications.instrument :performance, action: :measure, measurement: "#{key}.view_time", value: event.payload[:view_runtime] + ActiveSupport::Notifications.instrument :performance, measurement: "#{key}.status.#{status}" +end -- cgit