ext.rb in ddtrace-1.13.0

- old
+ new
@@ -1,20 +1,28 @@
+# frozen_string_literal: true
+
 module Datadog
   module Tracing
     module Contrib
       module Httpclient
         # Httpclient integration constants
         # @public_api Changing resource names, tag names, or environment variables creates breaking changes.
         module Ext
-          ENV_ENABLED = 'DD_TRACE_HTTPCLIENT_ENABLED'.freeze
-          ENV_SERVICE_NAME = 'DD_TRACE_HTTPCLIENT_SERVICE_NAME'.freeze
-          ENV_ANALYTICS_ENABLED = 'DD_TRACE_HTTPCLIENT_ANALYTICS_ENABLED'.freeze
-          ENV_ANALYTICS_SAMPLE_RATE = 'DD_TRACE_HTTPCLIENT_ANALYTICS_SAMPLE_RATE'.freeze
-          ENV_ERROR_STATUS_CODES = 'DD_TRACE_HTTPCLIENT_ERROR_STATUS_CODES'.freeze
-          DEFAULT_PEER_SERVICE_NAME = 'httpclient'.freeze
-          SPAN_REQUEST = 'httpclient.request'.freeze
-          TAG_COMPONENT = 'httpclient'.freeze
-          TAG_OPERATION_REQUEST = 'request'.freeze
+          ENV_ENABLED = 'DD_TRACE_HTTPCLIENT_ENABLED'
+          ENV_SERVICE_NAME = 'DD_TRACE_HTTPCLIENT_SERVICE_NAME'
+          ENV_PEER_SERVICE = 'DD_TRACE_HTTPCLIENT_PEER_SERVICE'
+
+          ENV_ANALYTICS_ENABLED = 'DD_TRACE_HTTPCLIENT_ANALYTICS_ENABLED'
+          ENV_ANALYTICS_SAMPLE_RATE = 'DD_TRACE_HTTPCLIENT_ANALYTICS_SAMPLE_RATE'
+          ENV_ERROR_STATUS_CODES = 'DD_TRACE_HTTPCLIENT_ERROR_STATUS_CODES'
+          DEFAULT_PEER_SERVICE_NAME = 'httpclient'
+          SPAN_REQUEST = 'httpclient.request'
+          TAG_COMPONENT = 'httpclient'
+          TAG_OPERATION_REQUEST = 'request'
+          PEER_SERVICE_SOURCES = Array[
+            Tracing::Metadata::Ext::TAG_PEER_HOSTNAME,
+            Tracing::Metadata::Ext::NET::TAG_DESTINATION_NAME,
+            Tracing::Metadata::Ext::NET::TAG_TARGET_HOST,].freeze
         end
       end
     end
   end
 end