49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
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# coding: utf-8
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import re
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import os
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from netaddr import *
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class Detect(object):
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def __init__(self):
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self.iplist = list()
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def list_bridges(self):
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return os.popen('ifconfig').read()
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def detect(self, ip_for_vm):
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ip4vm = IPAddress(ip_for_vm)
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c = list()
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for paragraph in self.list_bridges().split('\n\n'):
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# ma = re.compile("(br\d+).*HWaddr ([^ ]+).*addr:([^ ]+).*Mask:([^ ]+)", re.MULTILINE | re.DOTALL)
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ma = re.compile("(virbr\d+|br\d+|br\d:\d+) .*HWaddr ([^ ]+).*addr:([^ ]+).*Mask:([^ ]+)", re.MULTILINE | re.DOTALL)
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result = ma.match(paragraph)
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if result:
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vlan = result.group(1).rstrip()
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mac = result.group(2).rstrip()
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ip = result.group(3).rstrip()
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mask = result.group(4).rstrip()
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# inrange
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ip.split('.')
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m = mac.split(':')
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mac = m[0] + m[1] + "." + m[2] + m[3] + "." + m[4] + m[5]
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# print "vlan:", vlan
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# print "ip:",ip
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# print "mac:", mac
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ipn = IPNetwork(ip, mask)
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c.append(dict(interface=vlan, ip=ip, mask=mask, mac=mac, valid=True if ip4vm in ipn else False))
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return c
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def get_suitable_interface(self, ip):
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for interface in self.detect(ip):
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if interface['valid']:
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return interface['interface']
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