Module: Datadog::Contrib::Sinatra::Tracer::Base

Defined in:
lib/ddtrace/contrib/sinatra/tracer.rb

Overview

Method overrides for Sinatra::Base

Instance Method Summary collapse

Instance Method Details

#render(engine, data) ⇒ Object 



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# File 'lib/ddtrace/contrib/sinatra/tracer.rb', line 83

def render(engine, data, *)
  tracer = Datadog.configuration[:sinatra][:tracer]
  return super unless tracer.enabled

  tracer.trace(Ext::SPAN_RENDER_TEMPLATE, span_type: Datadog::Ext::HTTP::TEMPLATE) do |span|
    span.set_tag(Ext::TAG_TEMPLATE_ENGINE, engine)

    # If data is a string, it is a literal template and we don't
    # want to record it.
    span.set_tag(Ext::TAG_TEMPLATE_NAME, data) if data.is_a? Symbol

    # Measure service stats
    Contrib::Analytics.set_measured(span)

    super
  end
end

#route_eval ⇒ Object

Invoked when a matching route is found. This method yields directly to user code.



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# File 'lib/ddtrace/contrib/sinatra/tracer.rb', line 103

def route_eval
  configuration = Datadog.configuration[:sinatra]
  tracer = configuration[:tracer]
  return super unless tracer.enabled

  tracer.trace(
    Ext::SPAN_ROUTE,
    service: configuration[:service_name],
    span_type: Datadog::Ext::HTTP::TYPE_INBOUND,
    resource: "#{request.request_method} #{@datadog_route}",
  ) do |span|
    span.set_tag(Ext::TAG_APP_NAME, settings.name || settings.superclass.name)
    span.set_tag(Ext::TAG_ROUTE_PATH, @datadog_route)
    span.set_tag(Ext::TAG_SCRIPT_NAME, request.script_name) if request.script_name && !request.script_name.empty?

    rack_request_span = env[Datadog::Contrib::Rack::TraceMiddleware::RACK_REQUEST_SPAN]
    rack_request_span.resource = span.resource if rack_request_span

    sinatra_request_span =
      if self.class <= ::Sinatra::Application # Classic style (top-level) application
        Sinatra::Env.datadog_span(env, ::Sinatra::Application)
      else
        Sinatra::Env.datadog_span(env, self.class)
      end
    if sinatra_request_span
      sinatra_request_span.resource = span.resource
    else
      MISSING_REQUEST_SPAN_ONLY_ONCE.run do
        Datadog.logger.warn do
          'Sinatra integration is misconfigured, reported traces will be missing request metadata ' \
          'such as path and HTTP status code. ' \
          'Did you forget to add `register Datadog::Contrib::Sinatra::Tracer` to your ' \
          '`Sinatra::Base` subclass? ' \
          'See <https://docs.datadoghq.com/tracing/setup_overview/setup/ruby/#sinatra> for more details.'
        end
      end
    end

    Contrib::Analytics.set_measured(span)

    super
  end
end