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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 #
###############################################################################
"""
sudo vppctl show hardware-interfaces:
take only the virtual interfaces, e.g. "VirtualEthernet0/0/0"
Status: "OK" if "up" is detected in the interface line, CRITICAL otherwise
return full text of "vppctl show hardware-interfaces"
"""
import re
import subprocess
from binary_converter import binary2str
rc = 0
search_pattern = re.compile("^Virtual")
try:
out = subprocess.check_output(["sudo vppctl show hardware-interfaces"],
stderr=subprocess.STDOUT,
shell=True)
out = binary2str(out)
lines = out.splitlines()
matching_lines = [l for l in lines if search_pattern.match(l)]
matching_line = matching_lines[0] if matching_lines else None
if matching_line and "up" in matching_line.split():
print('output of "vppctl show hardware-interfaces":\n{}'
.format(out))
else:
rc = 2
print('Error: failed to find status in output of '
'"vppctl show hardware-interfaces": {}'.format(out))
except subprocess.CalledProcessError as e:
print("Error finding 'vppctl show hardware-interfaces': {}"
.format(binary2str(e.output)))
rc = 2
exit(rc)
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