def vs_get(self, name):
        try:
            vs = f5.VirtualServer.factory.create([name], self)[0]
            vs.refresh()
        except ServerError as e:
            if 'was not found.' in str(e):
                raise VirtualServerNotFound(name)
            else:
                raise

        return vs
Get root node if exists, other ``None``.
dataset/ETHPy150Open tdevelioglu/python-f5/f5/lb.py/Lb.vs_get--crossover with--dataset/ETHPy150Open conceptsandtraining/libtree/libtree/transaction.py/Transaction.get_root_node