38 lines
1.3 KiB
Python
38 lines
1.3 KiB
Python
import sys
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import subprocess
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def get_next_dynic(argv=[]):
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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 = ["/usr/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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if __name__ == '__main__':
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nic = get_next_dynic(sys.argv)
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print nic
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