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#!/usr/bin/env python3
###############################################################################
# Copyright (c) 2017 Koren Lev (Cisco Systems), Yaron Yogev (Cisco Systems) #
# and others #
# #
# All rights reserved. This program and the accompanying materials #
# are made available under the terms of the Apache License, Version 2.0 #
# which accompanies this distribution, and is available at #
# http://www.apache.org/licenses/LICENSE-2.0 #
###############################################################################
import re
import sys
import subprocess
from binary_converter import binary2str
if len(sys.argv) < 2:
print('name of interface must be specified')
exit(2)
nic_name = str(sys.argv[1])
rc = 0
try:
out = subprocess.check_output(["ifconfig " + nic_name],
stderr=subprocess.STDOUT,
shell=True)
out = binary2str(out)
lines = out.splitlines()
line_number = 1
line = -1
while line_number < len(lines):
line = lines[line_number]
if ' BROADCAST ' in line:
break
line_number += 1
state_match = re.match('^\W+([A-Z]+)', line)
if not state_match:
rc = 2
print('Error: failed to find status in ifconfig output: ' + out)
else:
rc = 0 if state_match.group(1) == 'UP' else 2
print(out)
except subprocess.CalledProcessError as e:
print("Error finding NIC {}: {}\n".format(nic_name, binary2str(e.output)))
rc = 2
exit(rc)
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