+
+ @staticmethod
+ def compare_interface_lists(list1, list2):
+ """Compare provided lists of interfaces by name.
+
+ :param list1: List of interfaces.
+ :param list2: List of interfaces.
+ :type list1: list
+ :type list2: list
+ :raises HoneycombError: If an interface exists in only one of the lists.
+ """
+
+ ignore = ["vx_tunnel0", "vxlan_gpe_tunnel0"]
+ # these have no equivalent in config data and no effect on VPP
+
+ names1 = [x['name'] for x in list1]
+ names2 = [x['name'] for x in list2]
+
+ for name in names1:
+ if name not in names2 and name not in ignore:
+ raise HoneycombError("Interface {0} not present in list {1}"
+ .format(name, list2))
+ for name in names2:
+ if name not in names1 and name not in ignore:
+ raise HoneycombError("Interface {0} not present in list {1}"
+ .format(name, list1))