55 lines
2.0 KiB
Python
55 lines
2.0 KiB
Python
"""
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright 2011 Cisco Systems, Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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# @author: Rohit Agarwalla, Cisco Systems Inc.
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#
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"""
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import subprocess
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def get_next_dynic(argv=[]):
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"""Get the next available dynamic nic on this host"""
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cmd = ["ifconfig", "-a"]
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f_cmd_output = subprocess.Popen(cmd, stdout=subprocess.PIPE).\
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communicate()[0]
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eths = [lines.split(' ')[0] for lines in f_cmd_output.splitlines() \
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if "eth" in lines]
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#print eths
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for eth in eths:
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cmd = ["ethtool", "-i", eth]
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f_cmd_output = subprocess.Popen(cmd, stdout=subprocess.PIPE).\
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communicate()[0]
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bdf = [lines.split(' ')[1] for lines in f_cmd_output.splitlines() \
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if "bus-info" in lines]
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#print bdf
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cmd = ["lspci", "-n", "-s", bdf[0]]
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f_cmd_output = subprocess.Popen(cmd, stdout=subprocess.PIPE).\
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communicate()[0]
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deviceid = [(lines.split(':')[3]).split(' ')[0] \
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for lines in f_cmd_output.splitlines()]
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#print deviceid
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if deviceid[0] == "0044":
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cmd = ["/sbin/ip", "link", "show", eth]
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f_cmd_output = subprocess.Popen(cmd, stdout=subprocess.PIPE).\
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communicate()[0]
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used = [lines for lines in f_cmd_output.splitlines() \
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if "UP" in lines]
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if not used:
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break
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return eth
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