#!/usr/bin/env python
+# SPDX-License-Identifier: ISC
#
# topotest.py
# Copyright (c) 2016 by
# Network Device Education Foundation, Inc. ("NetDEF")
#
-# Permission to use, copy, modify, and/or distribute this software
-# for any purpose with or without fee is hereby granted, provided
-# that the above copyright notice and this permission notice appear
-# in all copies.
-#
-# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
-# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
-# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
-# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
-# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
-# OF THIS SOFTWARE.
-#
import difflib
import errno
pass
return False
+def iproute2_is_fdb_get_capable():
+ """
+ Checks if the iproute2 version installed on the system is capable of
+ handling `bridge fdb get` commands to query neigh table resolution.
+
+ Returns True if capability can be detected, returns False otherwise.
+ """
+
+ if is_linux():
+ try:
+ subp = subprocess.Popen(
+ ["bridge", "fdb", "get", "help"],
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE,
+ stdin=subprocess.PIPE,
+ )
+ iproute2_out = subp.communicate()[1].splitlines()[0].split()[0]
+
+ if "Usage" in str(iproute2_out):
+ return True
+ except Exception:
+ pass
+ return False
def module_present_linux(module, load):
"""