class Labkit::Tracing::Rails::ActionView::Subscriber
ActionView
bridges action view notifications to the distributed tracing subsystem
Constants
- RENDER_COLLECTION_NOTIFICATION_TOPIC
- RENDER_PARTIAL_NOTIFICATION_TOPIC
- RENDER_TEMPLATE_NOTIFICATION_TOPIC
Public Class Methods
instrument()
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Instruments Rails
ActionView
events for opentracing. Returns a lambda, which, when called will unsubscribe from the notifications
# File lib/labkit/tracing/rails/action_view/subscriber.rb, line 18 def self.instrument subscriptions = [ ::ActiveSupport::Notifications.subscribe(RENDER_TEMPLATE_NOTIFICATION_TOPIC, RenderTemplateInstrumenter.new), ::ActiveSupport::Notifications.subscribe(RENDER_COLLECTION_NOTIFICATION_TOPIC, RenderCollectionInstrumenter.new), ::ActiveSupport::Notifications.subscribe(RENDER_PARTIAL_NOTIFICATION_TOPIC, RenderPartialInstrumenter.new), ] create_unsubscriber subscriptions end