aboutsummaryrefslogtreecommitdiffstats
path: root/resources/libraries/python/topology.py
diff options
context:
space:
mode:
Diffstat (limited to 'resources/libraries/python/topology.py')
-rw-r--r--resources/libraries/python/topology.py20
1 files changed, 19 insertions, 1 deletions
diff --git a/resources/libraries/python/topology.py b/resources/libraries/python/topology.py
index b2d106d3ed..7dec51619c 100644
--- a/resources/libraries/python/topology.py
+++ b/resources/libraries/python/topology.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2019 Cisco and/or its affiliates.
+# Copyright (c) 2020 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
@@ -22,6 +22,8 @@ from yaml import safe_load
from robot.api import logger
from robot.libraries.BuiltIn import BuiltIn, RobotNotRunningError
+from resources.libraries.python.Constants import Constants
+
__all__ = [
u"DICT__nodes", u"Topology", u"NodeType", u"SocketType", u"NodeSubTypeTG"
]
@@ -705,6 +707,22 @@ class Topology:
return None
@staticmethod
+ def get_interface_ip4_prefix_length(node, iface_key):
+ """Get IP4 address prefix length for the interface.
+
+ :param node: Node to get prefix length on.
+ :param iface_key: Interface key from topology file.
+ :type node: dict
+ :type iface_key: str
+ :returns: Prefix length from topology file or the default
+ IP4 prefix length if not found.
+ :rtype: int
+ :raises: KeyError if iface_key is not found.
+ """
+ return node[u"interfaces"][iface_key].get(u"ip4_prefix_length", \
+ Constants.DEFAULT_IP4_PREFIX_LENGTH)
+
+ @staticmethod
def get_adjacent_node_and_interface(nodes_info, node, iface_key):
"""Get node and interface adjacent to specified interface
on local network.