fix: update GraphQL span name to follow semantic conventions

The semantic convention for GraphQL spans is specified here: https://opentelemetry.io/docs/specs/semconv/graphql/graphql-spans/. This will also resolve #560.

Author: karmingc

instrumentation/graphql/Gemfile

@@ -10,5 +10,6 @@ gemspec
 
 group :test do
   gem 'opentelemetry-instrumentation-base', path: '../base'
+  gem 'graphql'
   gem 'pry-byebug'
 end

instrumentation/graphql/lib/opentelemetry/instrumentation/graphql/tracers/graphql_trace.rb

@@ -98,11 +98,15 @@ def analyze_query(query:, &block)
 
           def execute_query(query:, &block)
             attributes = {}
-            attributes['graphql.operation.name'] = query.selected_operation_name if query.selected_operation_name
-            attributes['graphql.operation.type'] = query.selected_operation.operation_type
+            operation_type = query.selected_operation.operation_type
+            operation_name = query.selected_operation_name
+
+            attributes['graphql.operation.name'] = operation_name if operation_name
+            attributes['graphql.operation.type'] = operation_type
             attributes['graphql.document'] = query.query_string
 
-            tracer.in_span('graphql.execute_query', attributes: attributes, &block)
+            span_name = operation_name ? "#{operation_type} #{operation_name}" : operation_type
+            tracer.in_span(span_name, attributes: attributes, &block)
           end
 
           def execute_query_lazy(query:, multiplex:, &block)

instrumentation/graphql/lib/opentelemetry/instrumentation/graphql/tracers/graphql_tracer.rb

@@ -29,7 +29,7 @@ class GraphQLTracer < ::GraphQL::Tracing::PlatformTracing
           def platform_trace(platform_key, key, data)
             return yield if platform_key.nil?
 
-            tracer.in_span(platform_key, attributes: attributes_for(key, data)) do |span|
+            tracer.in_span(span_name(platform_key, data), attributes: attributes_for(key, data)) do |span|
               yield.tap do |response|
                 next unless key == 'validate'
 
@@ -143,6 +143,18 @@ def attr_cache
             cache_h.compare_by_identity
             cache_h
           end
+
+          def span_name(key, data)
+            case key
+            when @platform_keys['execute_query']
+              operation_type = data[:query].selected_operation.operation_type
+              operation_name = data[:query].selected_operation_name
+
+              operation_name ? "#{operation_type} #{operation_name}" : operation_type
+            else
+              key
+            end
+          end
         end
       end
     end

instrumentation/graphql/test/instrumentation/graphql/tracers/graphql_trace_test.rb

@@ -49,7 +49,7 @@
           'graphql.validate',
           'graphql.analyze_query',
           'graphql.analyze_multiplex',
-          'graphql.execute_query',
+          'query',
           'graphql.execute_query_lazy',
           'graphql.execute_multiplex'
         ]
@@ -76,7 +76,7 @@
 
         SomeGraphQLAppSchema.execute('query SimpleQuery{ simpleField }')
 
-        span = spans.find { |s| s.name == 'graphql.execute_query' }
+        span = spans.find { |s| s.name == 'query SimpleQuery' }
         _(span).wont_be_nil
         _(span.attributes.to_h).must_equal(expected_attributes)
       end
@@ -89,7 +89,7 @@
 
         SomeGraphQLAppSchema.execute('{ simpleField }')
 
-        span = spans.find { |s| s.name == 'graphql.execute_query' }
+        span = spans.find { |s| s.name == 'query' }
         _(span).wont_be_nil
         _(span.attributes.to_h).must_equal(expected_attributes)
       end

instrumentation/graphql/test/instrumentation/graphql/tracers/graphql_tracer_test.rb

@@ -49,7 +49,7 @@
           'graphql.validate',
           'graphql.analyze_query',
           'graphql.analyze_multiplex',
-          'graphql.execute_query',
+          'query',
           'graphql.execute_query_lazy',
           'graphql.execute_multiplex'
         ]
@@ -75,7 +75,7 @@
 
         SomeGraphQLAppSchema.execute('query SimpleQuery{ simpleField }')
 
-        span = spans.find { |s| s.name == 'graphql.execute_query' }
+        span = spans.find { |s| s.name == 'query SimpleQuery' }
         _(span).wont_be_nil
         _(span.attributes.to_h).must_equal(expected_attributes)
       end
@@ -89,7 +89,7 @@
 
         SomeGraphQLAppSchema.execute('{ simpleField }')
 
-        span = spans.find { |s| s.name == 'graphql.execute_query' }
+        span = spans.find { |s| s.name == 'query' }
         _(span).wont_be_nil
         _(span.attributes.to_h).must_equal(expected_attributes)
       end