in runner/shared.go [19:24]
func newGRPCServerWithTracer(tracer opentracing.Tracer) *grpc.Server {
return grpc.NewServer(
grpc.UnaryInterceptor(ot.OpenTracingServerInterceptor(tracer)),
grpc.StreamInterceptor(ot.OpenTracingStreamServerInterceptor(tracer)),
)
}