def parse_onos_host_nodes(self):
onos_hosts = None
with open(self.network_configuration.conf_path + "onos_hosts.json",
"r") as in_file:
onos_hosts = json.loads(in_file.read())
for onos_host_dict in onos_hosts:
host_switch_id = self.onos_sw_device_id_to_node_id_mapping(
onos_host_dict["location"]["elementId"])
host_switch_obj = self.get_node_object(host_switch_id)
# Onos links do not give host-switch links, so need to add Port to each switch
host_port_json = {"port": onos_host_dict["location"]["port"]}
host_switch_port = Port(host_switch_obj, port_json=host_port_json)
host_switch_obj.ports[int(
host_switch_port.port_number)] = host_switch_port
# Add the host to the graph
host_id = "h" + host_switch_id[1:] + onos_host_dict["location"][
"port"]
self.host_ids.add(host_id)
h_obj = Host(host_id, self, onos_host_dict["ipAddresses"][0],
onos_host_dict["mac"], host_switch_obj,
host_switch_port)
# Make the connections both on switch and host side
host_switch_obj.host_ports.append(
int(onos_host_dict["location"]["port"]))
host_switch_obj.attached_hosts.append(h_obj)
host_switch_port.attached_host = h_obj
self.graph.add_node(host_id, node_type="host", h=h_obj)
self.add_link(host_id, int(0), host_switch_id,
int(host_switch_port.port_number))
