trace_digest and ext

Author: ZStriker19

lib/datadog/tracing/configuration/ext.rb

@@ -40,8 +40,13 @@ module Distributed
           # W3C Trace Context
           PROPAGATION_STYLE_TRACE_CONTEXT = 'tracecontext'
 
+          # W3C Baggage
+          # @see https://www.w3.org/TR/baggage/
+          PROPAGATION_STYLE_BAGGAGE = 'baggage'
+
           PROPAGATION_STYLE_SUPPORTED = [PROPAGATION_STYLE_DATADOG, PROPAGATION_STYLE_B3_MULTI_HEADER,
-                                         PROPAGATION_STYLE_B3_SINGLE_HEADER, PROPAGATION_STYLE_TRACE_CONTEXT].freeze
+                                         PROPAGATION_STYLE_B3_SINGLE_HEADER, PROPAGATION_STYLE_TRACE_CONTEXT,
+                                         PROPAGATION_STYLE_BAGGAGE].freeze
 
           # Sets both extract and inject propagation style tho the provided value.
           # Has lower precedence than `DD_TRACE_PROPAGATION_STYLE_INJECT` or

lib/datadog/tracing/contrib/grpc/distributed/propagation.rb

@@ -31,6 +31,8 @@ def initialize(
                     Tracing::Distributed::Datadog.new(fetcher: Fetcher),
                   Tracing::Configuration::Ext::Distributed::PROPAGATION_STYLE_TRACE_CONTEXT =>
                     Tracing::Distributed::TraceContext.new(fetcher: Fetcher),
+                  Tracing::Configuration::Ext::Distributed::PROPAGATION_STYLE_BAGGAGE =>
+                    Tracing::Distributed::Baggage.new(fetcher: Fetcher),
                   Tracing::Configuration::Ext::Distributed::PROPAGATION_STYLE_NONE => Tracing::Distributed::None.new
                 },
                 propagation_style_inject: propagation_style_inject,

sig/datadog/tracing/configuration/ext.rbs

@@ -23,6 +23,7 @@ module Datadog
           PROPAGATION_STYLE_B3_MULTI_HEADER: "b3multi"
           PROPAGATION_STYLE_B3_SINGLE_HEADER: "b3"
           PROPAGATION_STYLE_TRACE_CONTEXT: "tracecontext"
+          PROPAGATION_STYLE_BAGGAGE: "baggage"
           ENV_PROPAGATION_STYLE: "DD_TRACE_PROPAGATION_STYLE"
 
           ENV_PROPAGATION_STYLE_INJECT: "DD_TRACE_PROPAGATION_STYLE_INJECT"

sig/datadog/tracing/trace_digest.rbs

@@ -21,8 +21,9 @@ module Datadog
       attr_reader trace_state: untyped
       attr_reader trace_state_unknown_fields: untyped
       attr_reader span_remote: untyped
+      attr_reader baggage: untyped
 
-      def initialize: (?span_id: untyped?, ?span_name: untyped?, ?span_resource: untyped?, ?span_service: untyped?, ?span_type: untyped?, ?trace_distributed_tags: untyped?, ?trace_hostname: untyped?, ?trace_id: untyped?, ?trace_name: untyped?, ?trace_origin: untyped?, ?trace_process_id: untyped?, ?trace_resource: untyped?, ?trace_runtime_id: untyped?, ?trace_sampling_priority: untyped?, ?trace_service: untyped?, ?trace_distributed_id: untyped?, ?trace_flags: untyped?, ?trace_state: untyped?, ?trace_state_unknown_fields: untyped?, ?span_remote: untyped?) -> void
+      def initialize: (?span_id: untyped?, ?span_name: untyped?, ?span_resource: untyped?, ?span_service: untyped?, ?span_type: untyped?, ?trace_distributed_tags: untyped?, ?trace_hostname: untyped?, ?trace_id: untyped?, ?trace_name: untyped?, ?trace_origin: untyped?, ?trace_process_id: untyped?, ?trace_resource: untyped?, ?trace_runtime_id: untyped?, ?trace_sampling_priority: untyped?, ?trace_service: untyped?, ?trace_distributed_id: untyped?, ?trace_flags: untyped?, ?trace_state: untyped?, ?trace_state_unknown_fields: untyped?, ?span_remote: untyped?, ?baggage: untyped?) -> void
     end
   end
 end