X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2Fhoneycomb%2FHcAPIKwInterfaces.py;h=e8cbc78bea7fbbed2fa03cedfa2858c678bb9af1;hp=c143b069db38901c210d02c0d18f7e5435117448;hb=ce469c1a7d56c2be639e5cecde961c4ef6354fb5;hpb=6000b2abc3d6b8bb8ff2941aacf005a04a33be60

diff --git a/resources/libraries/python/honeycomb/HcAPIKwInterfaces.py b/resources/libraries/python/honeycomb/HcAPIKwInterfaces.py
index c143b069db..e8cbc78bea 100644
--- a/resources/libraries/python/honeycomb/HcAPIKwInterfaces.py
+++ b/resources/libraries/python/honeycomb/HcAPIKwInterfaces.py
@@ -1047,3 +1047,29 @@ class InterfaceKeywords(object):
                 "vlan-tag-rewrite")
         return InterfaceKeywords._set_interface_properties(
             node, sub_interface, path, None)
+
+    @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))