def get_network_list(self, account):
"""
Returns the discovered network
@param account - a SDN account
"""
topology_source = "/net/boson/home1/rchamart/work/topology/l2_top.xml"
logger.info("Reading topology file: %s", topology_source)
tree = etree.parse(topology_source)
root = tree.getroot()
xmlstr = etree.tostring(root, encoding="unicode")
model = RwYang.Model.create_libncx()
model.load_schema_ypbc(RwTl.get_schema())
nwtop = RwTl.YangData_IetfNetwork()
# The top level topology object does not have XML conversion
# Hence going one level down
l2nw1 = nwtop.network.add()
l2nw1.from_xml_v2(model, xmlstr)
logger.debug("Returning topology data imported from XML file")
return nwtop
for lbuf in buffer:
outf.write(lbuf)
buffer = [] # empty buffer
print("\n\n")
continue
if in_block:
print("Gathering line...", line)
buffer.append(line) # gather lines
else:
outf.write(line)
if __name__ == "__main__":
model = RwYang.Model.create_libyang()
model.load_schema_ypbc(RwTl.get_schema())
# create logger
logger = logging.getLogger('Provider Network Topology')
logger.setLevel(logging.DEBUG)
logging.basicConfig(level=logging.DEBUG)
logger.info('Creating an instance of Provider Network Topology')
nwtop = RwTl.YangData_IetfNetwork()
# Setup L2 topology
l2top = MyL2Topology(nwtop, logger)
l2top.setup_all()
# Setup Provider network topology
provtop = MyProvTopology(nwtop, l2top, logger)
def __init__(self):
super(SdnSim, self).__init__()
self._model = RwYang.Model.create_libncx()
self._model.load_schema_ypbc(RwTl.get_schema())
def configure_schema(cls):
return RwTl.get_schema()
# Add links to sfcnet1 network
# These links are unidirectional and point-to-point
logging.debug("Setting up links")
# Bidir Links for OVS bridges
self.create_link(self.sfc1, self.sfc1_vxlannsh1, self.sff1, self.sff1_vxlannsh1, "Link_sfc1_sff1")
self.create_link(self.sfc1, self.sfc1_vxlannsh1, self.sf1, self.sf1_vxlannsh1, "Link_sff1_sf1", "Link_sf1_sff1")
def setup_all(self):
self.setup_nodes()
self.setup_tps()
#self.setup_links()
if __name__ == "__main__":
model = RwYang.Model.create_libncx()
model.load_schema_ypbc(RwTl.get_schema())
# create logger
logger = logging.getLogger('SFC Network Topology')
logger.setLevel(logging.DEBUG)
logging.basicConfig(level=logging.DEBUG)
logger.info('Creating an instance of SFC Network Topology')
nwtop = RwTl.YangData_IetfNetwork()
# Setup L2 topology
l2top = MyL2Topology(nwtop, logger)
l2top.setup_all()
# Setup Provider network topology
provtop = MyProvTopology(nwtop, l2top, logger)
def configure_schema(cls):
return RwTl.get_schema()