trace_middleware.rb in opentracing-instrumentation-0.2.0

- old
+ new

@@ -34,14 +34,14 @@
           end
         end
 
         private
 
-        attr_reader :app
-        attr_reader :http_tagger
-        attr_reader :tracer
-        attr_reader :logger
+        attr_reader :app,
+                    :http_tagger,
+                    :tracer,
+                    :logger
 
         def trace_request(env)
           extracted_ctx = tracer.extract(OpenTracing::FORMAT_RACK, env)
           logger&.info('Tracing context extracted') if extracted_ctx
           command_name = @command_name_builder.build_command_name(env)
@@ -82,10 +82,10 @@
         end
 
         def set_header_tags(span, headers)
           http_tagger
             .response_tags(headers)
-            .each(&span.method(:set_tag))
+            .each { |(key, value)| span.set_tag(key, value) }
         end
 
         def error_tag(span, error)
           span.set_tag('error', true)
           span.log_kv('error.kind': error.class.to_s)