Class: Labkit::Tracing::Rails::ActionViewSubscriber
- Inherits:
-
Object
- Object
- Labkit::Tracing::Rails::ActionViewSubscriber
- Includes:
- RailsCommon
- Defined in:
- lib/labkit/tracing/rails/action_view_subscriber.rb
Constant Summary collapse
- COMPONENT_TAG =
'ActionView'
- RENDER_TEMPLATE_NOTIFICATION_TOPIC =
'render_template.action_view'
- RENDER_COLLECTION_NOTIFICATION_TOPIC =
'render_collection.action_view'
- RENDER_PARTIAL_NOTIFICATION_TOPIC =
'render_partial.action_view'
Class Method Summary collapse
-
.instrument ⇒ Object
Instruments Rails ActionView events for opentracing.
Instance Method Summary collapse
- #notify_render_collection(start, finish, payload) ⇒ Object
- #notify_render_partial(start, finish, payload) ⇒ Object
-
#notify_render_template(start, finish, payload) ⇒ Object
For more information on the payloads: guides.rubyonrails.org/active_support_instrumentation.html.
Methods included from RailsCommon
#generate_span_for_notification
Methods included from Common
#in_tracing_span, #kv_tags_for_exception, #log_exception_on_span, #postnotify_span, #tracer
Class Method Details
.instrument ⇒ Object
Instruments Rails ActionView events for opentracing. Returns a lambda, which, when called will unsubscribe from the notifications
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# File 'lib/labkit/tracing/rails/action_view_subscriber.rb', line 16 def self.instrument subscriber = new subscriptions = [ ActiveSupport::Notifications.subscribe(RENDER_TEMPLATE_NOTIFICATION_TOPIC) do |_, start, finish, _, payload| subscriber.notify_render_template(start, finish, payload) end, ActiveSupport::Notifications.subscribe(RENDER_COLLECTION_NOTIFICATION_TOPIC) do |_, start, finish, _, payload| subscriber.notify_render_collection(start, finish, payload) end, ActiveSupport::Notifications.subscribe(RENDER_PARTIAL_NOTIFICATION_TOPIC) do |_, start, finish, _, payload| subscriber.notify_render_partial(start, finish, payload) end ] create_unsubscriber subscriptions end |
Instance Method Details
#notify_render_collection(start, finish, payload) ⇒ Object
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# File 'lib/labkit/tracing/rails/action_view_subscriber.rb', line 39 def notify_render_collection(start, finish, payload) generate_span_for_notification('render_collection', start, finish, payload, (payload)) end |
#notify_render_partial(start, finish, payload) ⇒ Object
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# File 'lib/labkit/tracing/rails/action_view_subscriber.rb', line 43 def notify_render_partial(start, finish, payload) generate_span_for_notification('render_partial', start, finish, payload, (payload)) end |
#notify_render_template(start, finish, payload) ⇒ Object
For more information on the payloads: guides.rubyonrails.org/active_support_instrumentation.html
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# File 'lib/labkit/tracing/rails/action_view_subscriber.rb', line 35 def notify_render_template(start, finish, payload) generate_span_for_notification('render_template', start, finish, payload, (payload)) end |