Add empty process_tags and container_id fields

Author: vpellan

ext/libdatadog_api/process_discovery.c

@@ -49,6 +49,8 @@ static VALUE _native_store_tracer_metadata(int argc, VALUE *argv, VALUE self) {
   VALUE service_name = rb_hash_fetch(options, ID2SYM(rb_intern("service_name")));
   VALUE service_env = rb_hash_fetch(options, ID2SYM(rb_intern("service_env")));
   VALUE service_version = rb_hash_fetch(options, ID2SYM(rb_intern("service_version")));
+  VALUE process_tags = rb_hash_fetch(options, ID2SYM(rb_intern("process_tags")));
+  VALUE container_id = rb_hash_fetch(options, ID2SYM(rb_intern("container_id")));
 
   ENFORCE_TYPE(runtime_id, T_STRING);
   ENFORCE_TYPE(tracer_language, T_STRING);
@@ -57,6 +59,8 @@ static VALUE _native_store_tracer_metadata(int argc, VALUE *argv, VALUE self) {
   ENFORCE_TYPE(service_name, T_STRING);
   ENFORCE_TYPE(service_env, T_STRING);
   ENFORCE_TYPE(service_version, T_STRING);
+  ENFORCE_TYPE(process_tags, T_STRING);
+  ENFORCE_TYPE(container_id, T_STRING);
 
   void* builder = ddog_tracer_metadata_new();
 
@@ -67,6 +71,8 @@ static VALUE _native_store_tracer_metadata(int argc, VALUE *argv, VALUE self) {
   ddog_tracer_metadata_set(builder, DDOG_METADATA_KIND_SERVICE_NAME, StringValueCStr(service_name));
   ddog_tracer_metadata_set(builder, DDOG_METADATA_KIND_SERVICE_ENV, StringValueCStr(service_env));
   ddog_tracer_metadata_set(builder, DDOG_METADATA_KIND_SERVICE_VERSION, StringValueCStr(service_version));
+  ddog_tracer_metadata_set(builder, DDOG_METADATA_KIND_PROCESS_TAGS, StringValueCStr(process_tags));
+  ddog_tracer_metadata_set(builder, DDOG_METADATA_KIND_CONTAINER_ID, StringValueCStr(container_id));
 
   ddog_Result_TracerMemfdHandle result = ddog_tracer_metadata_store(builder);
   ddog_tracer_metadata_free(builder);

lib/datadog/core/process_discovery.rb

@@ -43,7 +43,10 @@ def get_metadata(settings)
             hostname: Core::Environment::Socket.hostname,
             service_name: settings.service || '',
             service_env: settings.env || '',
-            service_version: settings.version || ''
+            service_version: settings.version || '',
+            # TODO: Implement process tags and container id
+            process_tags: '',
+            container_id: ''
           }
         end
 

sig/datadog/core/process_discovery.rbs

@@ -13,7 +13,9 @@ module Datadog
         hostname: String,
         service_name: String,
         service_env: String,
-        service_version: String
+        service_version: String,
+        process_tags: String,
+        container_id: String
       ) -> TracerMemfd?
 
       def self._native_close_tracer_memfd: (TracerMemfd tracer_memfd, Datadog::Core::Logger logger) -> void
@@ -31,7 +33,9 @@ module Datadog
         hostname: String,
         service_name: String,
         service_env: String,
-        service_version: String
+        service_version: String,
+        process_tags: String,
+        container_id: String
       }
 
       def self.apply_at_fork_patch: () -> void