tracer_middleware.rb in opentelemetry-instrumentation-faraday-0.24.0

- old
+ new

@@ -23,37 +23,41 @@
             trace: 'TRACE'
           }.freeze
 
           def call(env)
             http_method = HTTP_METHODS_SYMBOL_TO_STRING[env.method]
+            config = Faraday::Instrumentation.instance.config
+
             attributes = span_creation_attributes(
-              http_method: http_method, url: env.url
+              http_method: http_method, url: env.url, config: config
             )
             tracer.in_span(
-              "HTTP #{http_method}", attributes: attributes, kind: :client
+              "HTTP #{http_method}", attributes: attributes, kind: config.fetch(:span_kind)
             ) do |span|
               OpenTelemetry.propagation.inject(env.request_headers)
 
               app.call(env).on_complete { |resp| trace_response(span, resp) }
             end
           end
 
           private
 
-          attr_reader :app
-
-          def span_creation_attributes(http_method:, url:)
+          def span_creation_attributes(http_method:, url:, config:)
             instrumentation_attrs = {
               'http.method' => http_method,
-              'http.url' => OpenTelemetry::Common::Utilities.cleanse_url(url.to_s)
+              'http.url' => OpenTelemetry::Common::Utilities.cleanse_url(url.to_s),
+              'faraday.adapter.name' => app.class.name
             }
             instrumentation_attrs['net.peer.name'] = url.host if url.host
-            config = Faraday::Instrumentation.instance.config
             instrumentation_attrs['peer.service'] = config[:peer_service] if config[:peer_service]
+
             instrumentation_attrs.merge!(
               OpenTelemetry::Common::HTTP::ClientContext.attributes
             )
           end
+
+          # Versions prior to 1.0 do not define an accessor for app
+          attr_reader :app if Gem::Version.new(Faraday::VERSION) < Gem::Version.new('1.0.0')
 
           def tracer
             Faraday::Instrumentation.instance.tracer
           end
 