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YuruToot/config/initializers/instrumentation.rb

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2017-01-27 03:08:05 +09:00
# 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