def vpp_create_bond_interface(node, mode, load_balance=None, mac=None): """Create bond interface on VPP node. :param node: DUT node from topology. :param mode: Link bonding mode. :param load_balance: Load balance (optional, valid for xor and lacp modes, otherwise ignored). :param mac: MAC address to assign to the bond interface (optional). :type node: dict :type mode: str :type load_balance: str :type mac: str :returns: Interface key (name) in topology. :rtype: str :raises RuntimeError: If it is not possible to create bond interface on the node. """ hw_addr = '' if mac is None else 'hw-addr {mac}'.format(mac=mac) lb = '' if load_balance is None \ else 'lb {lb}'.format(lb=load_balance) output = VatExecutor.cmd_from_template( node, 'create_bond_interface.vat', mode=mode, lb=lb, mac=hw_addr) if output[0].get('retval') == 0: sw_if_idx = output[0].get('sw_if_index') InterfaceUtil.add_bond_eth_interface(node, sw_if_idx=sw_if_idx) if_key = Topology.get_interface_by_sw_index(node, sw_if_idx) return if_key else: raise RuntimeError('Create bond interface failed on node "{n}"' .format(n=node['host']))
def modify_tap_interface(node, if_index, tap_name, mac=None): """Modify tap interface like linux interface name or VPP MAC. :param node: Node to modify tap on. :param if_index: Index of tap interface to be modified. :param tap_name: Tap interface name for linux tap. :param mac: Optional MAC address for VPP tap. :type node: dict :type if_index: int :type tap_name: str :type mac: str :returns: Returns a interface index. :rtype: int """ command = 'modify' if mac is not None: args = 'sw_if_index {} tapname {} mac {}'.format( if_index, tap_name, mac) else: args = 'sw_if_index {} tapname {}'.format(if_index, tap_name) with VatTerminal(node) as vat: resp = vat.vat_terminal_exec_cmd_from_template('tap.vat', tap_command=command, tap_arguments=args) if_key = Topology.get_interface_by_sw_index(node, if_index) Topology.update_interface_tap_dev_name(node, if_key, tap_name) if mac: Topology.update_interface_mac_address(node, if_key, mac) return resp[0]['sw_if_index']