def common_mgr(): """ Create a base topology. This uses the ExtendedNMLManager for it's helpers. """ # Create base topology mgr = ExtendedNMLManager(name='Graphviz Namespace') sw1 = mgr.create_node(identifier='sw1', name='My Switch 1') sw2 = mgr.create_node(identifier='sw2', name='My Switch 2') assert mgr.get_object('sw1') is not None assert mgr.get_object('sw2') is not None sw1p1 = mgr.create_biport(sw1) sw1p2 = mgr.create_biport(sw1) sw1p3 = mgr.create_biport(sw1) # noqa sw2p1 = mgr.create_biport(sw2) sw2p2 = mgr.create_biport(sw2) sw2p3 = mgr.create_biport(sw2) # noqa sw1p1_sw2p1 = mgr.create_bilink(sw1p1, sw2p1) # noqa sw1p2_sw2p2 = mgr.create_bilink(sw1p2, sw2p2) # noqa return mgr
def __init__(self, engine=DEFAULT_PLATFORM, **kwargs): if engine not in platforms(): raise RuntimeError('Unknown platform engine "{}".'.format(engine)) self.nml = ExtendedNMLManager(**kwargs) self.engine = engine self.nodes = OrderedDict() self.ports = OrderedDict() self._platform = None self._built = False