X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2Ftopology.py;h=0214cc9c027d07d2e47c177770afc030ecdd5f5f;hb=176eda8bf7775a2c761a6544ab932c2bc59dfa57;hp=0b40967ef239a4943d899f43bd716af02e32ca37;hpb=99519a54811a70b4ff2579baf46294507a8adfcb;p=csit.git

diff --git a/resources/libraries/python/topology.py b/resources/libraries/python/topology.py
index 0b40967ef2..0214cc9c02 100644
--- a/resources/libraries/python/topology.py
+++ b/resources/libraries/python/topology.py
@@ -29,7 +29,10 @@ def load_topo_from_yaml():
 
     :return: Nodes from loaded topology.
     """
-    topo_path = BuiltIn().get_variable_value("${TOPOLOGY_PATH}")
+    try:
+        topo_path = BuiltIn().get_variable_value("${TOPOLOGY_PATH}")
+    except:
+        return ''
 
     with open(topo_path) as work_file:
         return load(work_file.read())['nodes']
@@ -122,6 +125,19 @@ class Topology(object):
         """
         node['interfaces'][iface_key]['vpp_sw_index'] = int(sw_if_index)
 
+    @staticmethod
+    def update_interface_name(node, iface_key, name):
+        """Update name on the interface from the node.
+
+        :param node: Node to update name on.
+        :param iface_key: Topology key of the interface.
+        :param name: Interface name to store.
+        :type node: dict
+        :type iface_key: str
+        :type name: str
+        """
+        node['interfaces'][iface_key]['name'] = str(name)
+
     @staticmethod
     def update_interface_mac_address(node, iface_key, mac_address):
         """Update mac_address on the interface from the node.
@@ -372,7 +388,7 @@ class Topology(object):
         :return: Interface key.
         :rtype: str
 
-        :raises TypeError: If provided with invalid arguments.
+        :raises TypeError: If provided with invalid interface argument.
         :raises RuntimeError: If the interface does not exist in topology.
         """