- def _extract_vpp_interface_by_mac(self, interfaces_list, mac_address):
- """Returns interface dictionary from interface_list by mac address.
-
- Extracts interface dictionary from all of the interfaces in interfaces
- list parsed from json according to mac_address of the interface
- :param interfaces_list: dictionary of all interfaces parsed from json
- :param mac_address: string mac address of interface we are looking for
- :return: interface dictionary from json
- """
-
- interface_dict = {}
- list_mac_address = self.convert_mac_to_number_list(mac_address)
- logger.trace(str(list_mac_address))
- for interface in interfaces_list:
- # TODO: create vat json integrity checking and move there
- if "l2_address" not in interface:
- raise KeyError(
- "key l2_address not found in interface dict."
- "Probably input list is not parsed from correct VAT "
- "json output.")
- if "l2_address_length" not in interface:
- raise KeyError(
- "key l2_address_length not found in interface "
- "dict. Probably input list is not parsed from correct "
- "VAT json output.")
- mac_from_json = interface["l2_address"][:6]
- if mac_from_json == list_mac_address:
- if interface["l2_address_length"] != 6:
- raise ValueError("l2_address_length value is not 6.")
- interface_dict = interface
- break
- return interface_dict
-
- def vpp_interface_name_from_json_by_mac(self, json_data, mac_address):
- """Return vpp interface name string from VAT interface dump json output
-
- Extracts the name given to an interface by VPP.
- These interface names differ from what you would see if you
- used the ipconfig or similar command.
- Required json data can be obtained by calling :
- VatExecutor.execute_script_json_out("dump_interfaces.vat", node)
- :param json_data: string json data from sw_interface_dump VAT command
- :param mac_address: string containing mac address of interface
- whose vpp name we wish to discover.
- :return: string vpp interface name
- """
-
- interfaces_list = JsonParser().parse_data(json_data)
- # TODO: checking if json data is parsed correctly
- interface_dict = self._extract_vpp_interface_by_mac(interfaces_list,
- mac_address)
- interface_name = interface_dict["interface_name"]
- return interface_name
-
- def _update_node_interface_data_from_json(self, node, interface_dump_json):
- """ Update node vpp data in node__DICT from json interface dump.
-
- This method updates vpp interface names and sw indexexs according to
- interface mac addresses found in interface_dump_json
- :param node: node dictionary
- :param interface_dump_json: json output from dump_interface_list VAT
- command
- """
-
- interface_list = JsonParser().parse_data(interface_dump_json)
- for ifc in node['interfaces'].values():
- if 'link' not in ifc:
- continue
- if_mac = ifc['mac_address']
- interface_dict = self._extract_vpp_interface_by_mac(interface_list,
- if_mac)
- if not interface_dict:
- raise Exception('Interface {0} not found by MAC {1}'.
- format(ifc, if_mac))
- ifc['name'] = interface_dict["interface_name"]
- ifc['vpp_sw_index'] = interface_dict["sw_if_index"]
-
- def update_vpp_interface_data_on_node(self, node):
- """Update vpp generated interface data for a given node in DICT__nodes
-
- Updates interface names, software index numbers and any other details
- generated specifically by vpp that are unknown before testcase run.
- :param node: Node selected from DICT__nodes