fix(server/v2/api/telemetry): enable global metrics (#22571)

server/v2/api/telemetry/server.go

@@ -28,7 +28,7 @@ type Server[T transaction.Tx] struct {
 }
 
 // New creates a new telemetry server.
-func New[T transaction.Tx](cfg server.ConfigMap, logger log.Logger) (*Server[T], error) {
+func New[T transaction.Tx](cfg server.ConfigMap, logger log.Logger, enableTelemetry func()) (*Server[T], error) {
 	srv := &Server[T]{}
 	serverCfg := srv.Config().(*Config)
 	if len(cfg) > 0 {
@@ -39,6 +39,14 @@ func New[T transaction.Tx](cfg server.ConfigMap, logger log.Logger) (*Server[T],
 	srv.config = serverCfg
 	srv.logger = logger.With(log.ModuleKey, srv.Name())
 
+	if enableTelemetry == nil {
+		panic("enableTelemetry must be provided")
+	}
+
+	if srv.config.Enable {
+		enableTelemetry()
+	}
+
 	metrics, err := NewMetrics(srv.config)
 	if err != nil {
 		return nil, fmt.Errorf("failed to initialize metrics: %w", err)