X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2Ftopology.py;h=103416078a1b21e032deefbac80d779114e5cddb;hp=6a7ea798ccc3d835d5eb59f50be92603c506be2d;hb=8f285166faf13156a4f7c70adac9a7e20549268f;hpb=da23519d72dc9415b112f7bab1fd3617750fa79e

diff --git a/resources/libraries/python/topology.py b/resources/libraries/python/topology.py
index 6a7ea798cc..103416078a 100644
--- a/resources/libraries/python/topology.py
+++ b/resources/libraries/python/topology.py
@@ -195,7 +195,7 @@ class Topology(object):
 
         interface_dict = {}
         list_mac_address = self.convert_mac_to_number_list(mac_address)
-        logger.trace(list_mac_address.__str__())
+        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:
@@ -254,6 +254,9 @@ class Topology(object):
             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"]
 
@@ -647,3 +650,20 @@ class Topology(object):
                           'DUT1_BD_LINKS': dut1_bd_links,
                           'DUT2_BD_LINKS': dut2_bd_links}
         return topology_links
+
+    @staticmethod
+    def is_tg_node(node):
+        """Find out whether the node is TG
+
+        :param node: node to examine
+        :return: True if node is type of TG; False otherwise
+        """
+        return node['type'] == NodeType.TG
+
+    @staticmethod
+    def get_node_hostname(node):
+        """
+        :param node: node dictionary
+        :return: host name as 'str' type
+        """
+        return node['host']
\ No newline at end of file