Module: Labkit::Tracing::ExternalHttp Private

Includes:
TracingCommon
Defined in:
lib/labkit/tracing/external_http.rb,
lib/labkit/tracing/external_http/request_instrumenter.rb

Overview

This module is part of a private API. You should avoid using this module if possible, as it may be removed or be changed in the future.

Instrument external HTTP calls made by the HTTP client libraries. This tracing instrumenter listens to the events broadcasted from the publishers injected into the libraries whenever there is a request.

API:

  • private

Defined Under Namespace

Classes: RequestInstrumenter

Class Method Summary collapse

Class Method Details

.instrument ⇒ Object 



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# File 'lib/labkit/tracing/external_http.rb', line 13

def self.instrument
  Labkit::NetHttpPublisher.labkit_prepend!
  Labkit::ExconPublisher.labkit_prepend!
  Labkit::HTTPClientPublisher.labkit_prepend!

  subscriptions = [
    ::ActiveSupport::Notifications.subscribe(::Labkit::EXTERNAL_HTTP_NOTIFICATION_TOPIC, RequestInstrumenter.new),
  ]

  create_unsubscriber subscriptions
end