+ raise NotImplementedError
+
+ @staticmethod
+ def check_disabled_interface(node, interface):
+ """Retrieves list of disabled interface indices from Honeycomb,
+ and matches with the provided interface by index.
+
+ :param node: Honeycomb node.
+ :param interface: Index number of an interface on the node.
+ :type node: dict
+ :type interface: int
+ :returns: True if the interface exists in disabled interfaces.
+ :rtype: bool
+ :raises HoneycombError: If the interface is not present
+ in retrieved list of disabled interfaces.
+ """
+ data = InterfaceKeywords.get_disabled_interfaces_oper_data(node)
+ # decrement by one = conversion from HC if-index to VPP sw_if_index
+ interface -= 1
+
+ for item in data:
+ if item["index"] == interface:
+ return True
+ raise HoneycombError("Interface index {0} not present in list"
+ " of disabled interfaces.".format(interface))
+
+ @staticmethod
+ def configure_interface_span(node, dst_interface, src_interfaces=None):
+ """Configure SPAN port mirroring on the specified interfaces. If no
+ source interface is provided, SPAN will be disabled.
+
+ :param node: Honeycomb node.
+ :param dst_interface: Interface to mirror packets to.
+ :param src_interfaces: List of interfaces to mirror packets from.
+ :type node: dict
+ :type dst_interface: str
+ :type src_interfaces: list of dict
+ :returns: Content of response.
+ :rtype: bytearray
+ :raises HoneycombError: If SPAN could not be configured.
+ """
+
+ interface = Topology.convert_interface_reference(
+ node, dst_interface, "name")
+ interface = interface.replace("/", "%2F")
+ path = "/interface/" + interface + "/span"
+
+ if not src_interfaces:
+ status_code, _ = HcUtil.delete_honeycomb_data(
+ node, "config_vpp_interfaces", path)
+ else:
+ for src_interface in src_interfaces:
+ src_interface["iface-ref"] = Topology.\
+ convert_interface_reference(
+ node, src_interface["iface-ref"], "name")
+ data = {
+ "span": {
+ "mirrored-interfaces": {
+ "mirrored-interface": src_interfaces
+ }
+ }
+ }
+
+ status_code, _ = HcUtil.put_honeycomb_data(
+ node, "config_vpp_interfaces", data, path)
+
+ if status_code not in (HTTPCodes.OK, HTTPCodes.ACCEPTED):
+ raise HoneycombError(
+ "Configuring SPAN failed. Status code:{0}".format(status_code))
+
+ @staticmethod
+ def add_interface_local0_to_topology(node):
+ """Use Topology methods to add interface "local0" to working topology,
+ if not already present.
+
+ :param node: DUT node.
+ :type node: dict
+ """
+
+ if Topology.get_interface_by_sw_index(node, 0) is None:
+ local0_key = Topology.add_new_port(node, "localzero")
+ Topology.update_interface_sw_if_index(node, local0_key, 0)
+ Topology.update_interface_name(node, local0_key, "local0")