resource.rb in opentelemetry-sdk-0.13.0

- old
+ new

@@ -28,10 +28,14 @@
             end.freeze
 
             new(frozen_attributes)
           end
 
+          def default
+            @default ||= telemetry_sdk.merge(process).merge(create(Constants::SERVICE_RESOURCE[:name] => 'unknown_service'))
+          end
+
           def telemetry_sdk
             resource_attributes = {
               Constants::TELEMETRY_SDK_RESOURCE[:name] => 'opentelemetry',
               Constants::TELEMETRY_SDK_RESOURCE[:language] => 'ruby',
               Constants::TELEMETRY_SDK_RESOURCE[:version] => OpenTelemetry::SDK::VERSION
@@ -46,10 +50,22 @@
             end
 
             resource_attributes.delete_if { |_key, value| value.nil? || value.empty? }
             create(resource_attributes)
           end
+
+          def process
+            resource_attributes = {
+              Constants::PROCESS_RESOURCE[:pid] => Process.pid,
+              Constants::PROCESS_RESOURCE[:command] => $PROGRAM_NAME,
+              Constants::PROCESS_RUNTIME_RESOURCE[:name] => RUBY_ENGINE,
+              Constants::PROCESS_RUNTIME_RESOURCE[:version] => RUBY_VERSION,
+              Constants::PROCESS_RUNTIME_RESOURCE[:description] => RUBY_DESCRIPTION
+            }
+
+            create(resource_attributes)
+          end
         end
 
         # @api private
         # The constructor is private and only for use internally by the class.
         # Users should use the {create} factory method to obtain a {Resource}
@@ -77,14 +93,10 @@
         # @return [Resource] A new resource formed by merging the current resource
         #   with other
         def merge(other)
           return self unless other.is_a?(Resource)
 
-          merged_attributes = attributes.merge(other.attributes) do |_, old_v, new_v|
-            old_v.empty? ? new_v : old_v
-          end
-
-          self.class.send(:new, merged_attributes.freeze)
+          self.class.send(:new, attributes.merge(other.attributes).freeze)
         end
 
         protected
 
         attr_reader :attributes