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https://github.com/CumulusNetworks/ifupdown2.git
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84ca006f82
Ticket: CM-3346
Reviewed By:
Testing Done: Sanity test + test new bridge format
There are a bunch of open issues with `vlan` interface handling.
Below is the format.
auto swp1
iface swp1
bridge-access 300
mstpctl-pathcost 0
mstpctl-adminedge yes
mstpctl-autoedge yes
mstpctl-p2p yes
mstpctl-bpduguard yes
mstpctl-treeprio 64
mstpctl-network yes
mstpctl-bpdufilter yes
auto swp2
iface swp2
bridge-vids 301
bridge-pvid 302
bridge-pathcost 10
bridge-priority 10
bridge-multicast-router 0
bridge-multicast-fast-leave 1
auto br0
iface br0
bridge-vlan-aware yes
bridge-stp on
bridge-ports swp1 swp2
bridge-vids 2001
auto br0.2001
iface br0.2001
address 10.0.14.2
hwaddress 00:03:00:00:00:12
address-virtual 00:00:5e:00:01:01 11.0.4.1/24
auto br0.2001
vlan br0.2001
bridge-igmp-querier-src 172.16.101.1
53 lines
1.4 KiB
Python
53 lines
1.4 KiB
Python
#!/usr/bin/python
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#
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# Copyright 2014 Cumulus Networks, Inc. All rights reserved.
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# Author: Roopa Prabhu, roopa@cumulusnetworks.com
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#
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# utils --
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# helper class
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#
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import os
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import fcntl
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import re
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class utils():
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@classmethod
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def importName(cls, modulename, name):
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""" Import a named object """
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try:
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module = __import__(modulename, globals(), locals(), [name])
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except ImportError:
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return None
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return getattr(module, name)
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@classmethod
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def lockFile(cls, lockfile):
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try:
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fp = os.open(lockfile, os.O_CREAT | os.O_TRUNC | os.O_WRONLY)
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fcntl.flock(fp, fcntl.LOCK_EX | fcntl.LOCK_NB)
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except IOError:
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return False
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return True
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@classmethod
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def parse_iface_range(cls, name):
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range_match = re.match("^([\w\.]+)\[([\d]+)-([\d]+)\]", name)
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if range_match:
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range_groups = range_match.groups()
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if range_groups[1] and range_groups[2]:
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return (range_groups[0], int(range_groups[1], 10),
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int(range_groups[2], 10))
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return None
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@classmethod
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def expand_iface_range(cls, name):
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ifacenames = []
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iface_range = cls.parse_iface_range(name)
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if iface_range:
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for i in range(iface_range[1], iface_range[2]):
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ifacenames.append('%s-%d' %(iface_range[0], i))
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return ifacenames
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