Module: Datadog::Contrib::SuckerPunch::Instrumentation

Defined in:
lib/ddtrace/contrib/sucker_punch/instrumentation.rb

Overview

Defines instrumentation patches for the ‘sucker_punch` gem

Class Method Summary collapse

Class Method Details

.patch! ⇒ Object

rubocop:disable Metrics/MethodLength



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# File 'lib/ddtrace/contrib/sucker_punch/instrumentation.rb', line 13

def patch!
  ::SuckerPunch::Job::ClassMethods.class_eval do
    alias_method :__run_perform_without_datadog, :__run_perform
    def __run_perform(*args)
      pin = Datadog::Pin.get_from(::SuckerPunch)
      pin.tracer.provider.context = Datadog::Context.new

      __with_instrumentation(Ext::SPAN_PERFORM) do |span|
        span.resource = "PROCESS #{self}"
        # Set analytics sample rate
        if Contrib::Analytics.enabled?(datadog_configuration[:analytics_enabled])
          Contrib::Analytics.set_sample_rate(span, datadog_configuration[:analytics_sample_rate])
        end
        __run_perform_without_datadog(*args)
      end
    rescue => e
      ::SuckerPunch.__exception_handler.call(e, self, args)
    end

    alias_method :__perform_async, :perform_async
    def perform_async(*args)
      __with_instrumentation(Ext::SPAN_PERFORM_ASYNC) do |span|
        span.resource = "ENQUEUE #{self}"
        __perform_async(*args)
      end
    end

    alias_method :__perform_in, :perform_in
    def perform_in(interval, *args)
      __with_instrumentation(Ext::SPAN_PERFORM_IN) do |span|
        span.resource = "ENQUEUE #{self}"
        span.set_tag(Ext::TAG_PERFORM_IN, interval)
        __perform_in(interval, *args)
      end
    end

    private

    def datadog_configuration
      Datadog.configuration[:sucker_punch]
    end

    def __with_instrumentation(name)
      pin = Datadog::Pin.get_from(::SuckerPunch)

      pin.tracer.trace(name) do |span|
        span.service = pin.service
        span.span_type = pin.app_type
        span.set_tag(Ext::TAG_QUEUE, to_s)
        yield span
      end
    end
  end
end