mirror of
https://github.com/CumulusNetworks/ifupdown2.git
synced 2024-05-06 15:54:50 +00:00
9e0be374dc
Ticket: CM-8736 Reviewed By: Roopa Testing Done: Smoke tests + the ones from the ticket By default ifupdown2 will adjust logical devices MTU based on the physical interface they are running on top of. set this flag to 0 to disable this behaviour adjust_logical_dev_mtu=1
883 lines
32 KiB
Python
883 lines
32 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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import os
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import glob
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import shlex
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import signal
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from ifupdown.utils import utils
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from collections import OrderedDict
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from utilsbase import *
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from systemutils import *
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from cache import *
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import ifupdown.ifupdownflags as ifupdownflags
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VXLAN_UDP_PORT = 4789
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class iproute2(utilsBase):
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""" This class contains helper methods to cache and interact with the
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commands in the iproute2 package """
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_cache_fill_done = False
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ipbatchbuf = ''
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ipbatch = False
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ipbatch_pause = False
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def __init__(self, *args, **kargs):
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utilsBase.__init__(self, *args, **kargs)
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if ifupdownflags.flags.CACHE:
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self._fill_cache()
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def _fill_cache(self):
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if not iproute2._cache_fill_done:
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self._link_fill()
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self._addr_fill()
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iproute2._cache_fill_done = True
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return True
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return False
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def _link_fill(self, ifacename=None, refresh=False):
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""" fills cache with link information
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if ifacename argument given, fill cache for ifacename, else
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fill cache for all interfaces in the system
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"""
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linkout = {}
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if iproute2._cache_fill_done and not refresh: return
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try:
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# if ifacename already present, return
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if (ifacename and not refresh and
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linkCache.get_attr([ifacename, 'ifflag'])):
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return
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except:
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pass
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cmdout = self.link_show(ifacename=ifacename)
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if not cmdout:
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return
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for c in cmdout.splitlines():
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citems = c.split()
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ifnamenlink = citems[1].split('@')
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if len(ifnamenlink) > 1:
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ifname = ifnamenlink[0]
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iflink = ifnamenlink[1].strip(':')
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else:
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ifname = ifnamenlink[0].strip(':')
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iflink = None
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linkattrs = {}
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linkattrs['link'] = iflink
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linkattrs['ifindex'] = citems[0].strip(':')
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flags = citems[2].strip('<>').split(',')
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linkattrs['flags'] = flags
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linkattrs['ifflag'] = 'UP' if 'UP' in flags else 'DOWN'
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for i in range(0, len(citems)):
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if citems[i] == 'mtu': linkattrs['mtu'] = citems[i+1]
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elif citems[i] == 'state': linkattrs['state'] = citems[i+1]
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elif citems[i] == 'link/ether': linkattrs['hwaddress'] = citems[i+1]
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elif citems[i] == 'vlan':
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vidx = citems.index('id')
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linkattrs['linkinfo'] = {'vlanid' : citems[vidx+1]}
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linkattrs['kind'] = 'vlan'
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elif citems[i] == 'dummy':
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linkattrs['kind'] = 'dummy'
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elif citems[i] == 'vxlan' and citems[i+1] == 'id':
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linkattrs['kind'] = 'vxlan'
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vattrs = {'vxlanid' : citems[i+2],
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'svcnode' : None,
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'remote' : [],
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'ageing' : citems[i+2],
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'learning': 'on'}
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for j in range(i+2, len(citems)):
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if citems[j] == 'local':
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vattrs['local'] = citems[j+1]
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elif citems[j] == 'remote':
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vattrs['svcnode'] = citems[j+1]
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elif citems[j] == 'ageing':
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vattrs['ageing'] = citems[j+1]
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elif citems[j] == 'nolearning':
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vattrs['learning'] = 'off'
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# get vxlan peer nodes
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peers = self.get_vxlan_peers(ifname, vattrs['svcnode'])
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if peers:
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vattrs['remote'] = peers
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linkattrs['linkinfo'] = vattrs
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break
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elif citems[i] == 'vrf' and citems[i+1] == 'table':
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vattrs = {'table' : citems[i+2]}
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linkattrs['linkinfo'] = vattrs
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linkattrs['kind'] = 'vrf'
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linkCache.vrfs[ifname] = vattrs
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break
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elif citems[i] == 'vrf_slave':
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linkattrs['kind'] = 'vrf_slave'
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break
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#linkattrs['alias'] = self.read_file_oneline(
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# '/sys/class/net/%s/ifalias' %ifname)
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linkout[ifname] = linkattrs
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[linkCache.update_attrdict([ifname], linkattrs)
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for ifname, linkattrs in linkout.items()]
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def _addr_filter(self, ifname, addr, scope=None):
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default_addrs = ['127.0.0.1/8', '::1/128' , '0.0.0.0']
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if ifname == 'lo' and addr in default_addrs:
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return True
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if scope and scope == 'link':
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return True
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return False
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def _addr_fill(self, ifacename=None, refresh=False):
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""" fills cache with address information
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if ifacename argument given, fill cache for ifacename, else
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fill cache for all interfaces in the system
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"""
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linkout = {}
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if iproute2._cache_fill_done and not refresh: return
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try:
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# Check if ifacename is already full, in which case, return
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if ifacename and not refresh:
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linkCache.get_attr([ifacename, 'addrs'])
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return
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except:
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pass
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cmdout = self.addr_show(ifacename=ifacename)
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if not cmdout:
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return
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for c in cmdout.splitlines():
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citems = c.split()
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ifnamenlink = citems[1].split('@')
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if len(ifnamenlink) > 1:
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ifname = ifnamenlink[0]
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else:
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ifname = ifnamenlink[0].strip(':')
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if not linkout.get(ifname):
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linkattrs = {}
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linkattrs['addrs'] = OrderedDict({})
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try:
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linkout[ifname].update(linkattrs)
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except KeyError:
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linkout[ifname] = linkattrs
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if citems[2] == 'inet':
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if self._addr_filter(ifname, citems[3], scope=citems[5]):
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continue
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addrattrs = {}
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addrattrs['scope'] = citems[5]
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addrattrs['type'] = 'inet'
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linkout[ifname]['addrs'][citems[3]] = addrattrs
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elif citems[2] == 'inet6':
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if self._addr_filter(ifname, citems[3], scope=citems[5]):
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continue
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if citems[5] == 'link': continue #skip 'link' addresses
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addrattrs = {}
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addrattrs['scope'] = citems[5]
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addrattrs['type'] = 'inet6'
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linkout[ifname]['addrs'][citems[3]] = addrattrs
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[linkCache.update_attrdict([ifname], linkattrs)
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for ifname, linkattrs in linkout.items()]
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def _cache_get(self, type, attrlist, refresh=False):
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try:
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if ifupdownflags.flags.DRYRUN:
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return False
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if ifupdownflags.flags.CACHE:
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if self._fill_cache():
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# if we filled the cache, return new data
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return linkCache.get_attr(attrlist)
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if not refresh:
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return linkCache.get_attr(attrlist)
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if type == 'link':
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self._link_fill(attrlist[0], refresh)
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elif type == 'addr':
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self._addr_fill(attrlist[0], refresh)
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else:
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self._link_fill(attrlist[0], refresh)
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self._addr_fill(attrlist[0], refresh)
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return linkCache.get_attr(attrlist)
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except Exception, e:
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self.logger.debug('_cache_get(%s) : [%s]'
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%(str(attrlist), str(e)))
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pass
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return None
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def _cache_check(self, type, attrlist, value, refresh=False):
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try:
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attrvalue = self._cache_get(type, attrlist, refresh)
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if attrvalue and attrvalue == value:
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return True
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except Exception, e:
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self.logger.debug('_cache_check(%s) : [%s]'
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%(str(attrlist), str(e)))
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pass
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return False
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def _cache_update(self, attrlist, value):
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if ifupdownflags.flags.DRYRUN: return
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try:
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linkCache.add_attr(attrlist, value)
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except:
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pass
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def _cache_delete(self, attrlist):
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if ifupdownflags.flags.DRYRUN: return
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try:
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linkCache.del_attr(attrlist)
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except:
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pass
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def _cache_invalidate(self):
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linkCache.invalidate()
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iproute2._cache_fill_done = False
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def batch_start(self):
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self.ipbatcbuf = ''
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self.ipbatch = True
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self.ipbatch_pause = False
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def add_to_batch(self, cmd):
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self.ipbatchbuf += cmd + '\n'
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def batch_pause(self):
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self.ipbatch_pause = True
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def batch_resume(self):
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self.ipbatch_pause = False
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def batch_commit(self):
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if not self.ipbatchbuf:
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self.ipbatchbuf = ''
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self.ipbatch = False
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self.ipbatch_pause = False
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return
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try:
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self.exec_command_talk_stdin('ip -force -batch -',
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stdinbuf=self.ipbatchbuf)
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except Exception:
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raise
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finally:
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self.ipbatchbuf = ''
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self.ipbatch = False
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self.ipbatch_pause = False
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def addr_show(self, ifacename=None):
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if ifacename:
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if not self.link_exists(ifacename):
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return
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return self.exec_commandl(['ip','-o', 'addr', 'show', 'dev',
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'%s' %ifacename])
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else:
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return self.exec_commandl(['ip', '-o', 'addr', 'show'])
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def link_show(self, ifacename=None):
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if ifacename:
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return self.exec_commandl(['ip', '-o', '-d', 'link',
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'show', 'dev', '%s' %ifacename])
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else:
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return self.exec_commandl(['ip', '-o', '-d', 'link', 'show'])
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def addr_add(self, ifacename, address, broadcast=None,
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peer=None, scope=None, preferred_lifetime=None):
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if not address:
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return
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cmd = 'addr add %s' %address
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if broadcast:
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cmd += ' broadcast %s' %broadcast
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if peer:
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cmd += ' peer %s' %peer
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if scope:
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cmd += ' scope %s' %scope
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if preferred_lifetime:
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cmd += ' preferred_lft %s' %preferred_lifetime
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cmd += ' dev %s' %ifacename
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if self.ipbatch and not self.ipbatch_pause:
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self.add_to_batch(cmd)
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else:
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self.exec_command('ip ' + cmd)
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self._cache_update([ifacename, 'addrs', address], {})
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def addr_del(self, ifacename, address, broadcast=None,
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peer=None, scope=None):
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""" Delete ipv4 address """
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if not address:
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return
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if not self._cache_get('addr', [ifacename, 'addrs', address]):
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return
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cmd = 'addr del %s' %address
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if broadcast:
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cmd += 'broadcast %s' %broadcast
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if peer:
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cmd += 'peer %s' %peer
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if scope:
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cmd += 'scope %s' %scope
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cmd += ' dev %s' %ifacename
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self.exec_command('ip ' + cmd)
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self._cache_delete([ifacename, 'addrs', address])
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def addr_flush(self, ifacename):
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cmd = 'addr flush dev %s' %ifacename
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if self.ipbatch and not self.ipbatch_pause:
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self.add_to_batch(cmd)
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else:
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self.exec_command('ip ' + cmd)
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self._cache_delete([ifacename, 'addrs'])
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def del_addr_all(self, ifacename, skip_addrs=[]):
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if not skip_addrs: skip_addrs = []
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runningaddrsdict = self.addr_get(ifacename)
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try:
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# XXX: ignore errors. Fix this to delete secondary addresses
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# first
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[self.addr_del(ifacename, a) for a in
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set(runningaddrsdict.keys()).difference(skip_addrs)]
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except:
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# ignore errors
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pass
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def addr_get(self, ifacename, details=True, refresh=False):
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addrs = self._cache_get('addr', [ifacename, 'addrs'],
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refresh=refresh)
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if not addrs:
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return None
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if details:
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return addrs
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return addrs.keys()
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def addr_add_multiple(self, ifacename, addrs, purge_existing=False):
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# purges address
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if purge_existing:
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# if perfmode is not set and also if iface has no sibling
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# objects, purge addresses that are not present in the new
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# config
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runningaddrs = self.addr_get(ifacename, details=False)
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if addrs == runningaddrs:
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return
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try:
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# if primary address is not same, there is no need to keep any.
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# reset all addresses
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if (addrs and runningaddrs and
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(addrs[0] != runningaddrs[0])):
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self.del_addr_all(ifacename)
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else:
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self.del_addr_all(ifacename, addrs)
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except Exception, e:
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self.log_warn(str(e))
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for a in addrs:
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try:
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self.addr_add(ifacename, a)
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except Exception, e:
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self.logger.error(str(e))
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def _link_set_ifflag(self, ifacename, value):
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# Dont look at the cache, the cache may have stale value
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# because link status can be changed by external
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# entity (One such entity is ifupdown main program)
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cmd = 'link set dev %s %s' %(ifacename, value.lower())
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if self.ipbatch:
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self.add_to_batch(cmd)
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else:
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self.exec_command('ip ' + cmd)
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def link_up(self, ifacename):
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self._link_set_ifflag(ifacename, 'UP')
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def link_down(self, ifacename):
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self._link_set_ifflag(ifacename, 'DOWN')
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def link_set(self, ifacename, key, value=None, force=False, type=None):
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if not force:
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if (key not in ['master', 'nomaster'] and
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self._cache_check('link', [ifacename, key], value)):
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return
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cmd = 'link set dev %s' %ifacename
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if type:
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cmd += ' type %s' %type
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cmd += ' %s' %key
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if value:
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cmd += ' %s' %value
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if self.ipbatch:
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self.add_to_batch(cmd)
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else:
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self.exec_command('ip ' + cmd)
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if key not in ['master', 'nomaster']:
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self._cache_update([ifacename, key], value)
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def link_set_hwaddress(self, ifacename, hwaddress, force=False):
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if not force:
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if self._cache_check('link', [ifacename, 'hwaddress'], hwaddress):
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return
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self.link_down(ifacename)
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cmd = 'link set dev %s address %s' %(ifacename, hwaddress)
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if self.ipbatch:
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self.add_to_batch(cmd)
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else:
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self.exec_command('ip ' + cmd)
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self.link_up(ifacename)
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self._cache_update([ifacename, 'hwaddress'], hwaddress)
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def link_set_mtu(self, ifacename, mtu):
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if not mtu or not ifacename: return
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with open('/sys/class/net/%s/mtu' % ifacename, 'w') as f:
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f.write(mtu)
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self._cache_update([ifacename, 'mtu'], mtu)
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def link_set_alias(self, ifacename, alias):
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self.exec_commandl(['ip', 'link', 'set', 'dev',
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ifacename, 'alias', alias])
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def link_get_alias(self, ifacename):
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return self.read_file_oneline('/sys/class/net/%s/ifalias'
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%ifacename)
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def link_isloopback(self, ifacename):
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flags = self._cache_get('link', [ifacename, 'flags'])
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if not flags:
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return
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if 'LOOPBACK' in flags:
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return True
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return False
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def link_get_status(self, ifacename):
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return self._cache_get('link', [ifacename, 'ifflag'], refresh=True)
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def route_add_gateway(self, ifacename, gateway, vrf=None, metric=None):
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if not gateway:
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return
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if not vrf:
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cmd = 'ip route add default via %s' %gateway
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else:
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cmd = 'ip route add table %s default via %s' %(vrf, gateway)
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# Add metric
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if metric:
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cmd += 'metric %s' %metric
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cmd += ' dev %s' %ifacename
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self.exec_command(cmd)
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def route_del_gateway(self, ifacename, gateway, vrf=None, metric=None):
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# delete default gw
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if not gateway:
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return
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if not vrf:
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cmd = 'ip route del default via %s' %gateway
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else:
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cmd = 'ip route del table %s default via %s' %(vrf, gateway)
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if metric:
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cmd += ' metric %s' %metric
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cmd += ' dev %s' %ifacename
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self.exec_command(cmd)
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def route6_add_gateway(self, ifacename, gateway):
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if not gateway:
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return
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return self.exec_command('ip -6 route add default via %s' %gateway +
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' dev %s' %ifacename)
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def route6_del_gateway(self, ifacename, gateway):
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if not gateway:
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return
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return self.exec_command('ip -6 route del default via %s' %gateway +
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'dev %s' %ifacename)
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def link_create_vlan(self, vlan_device_name, vlan_raw_device, vlanid):
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if self.link_exists(vlan_device_name):
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return
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self.exec_command('ip link add link %s' %vlan_raw_device +
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' name %s' %vlan_device_name +
|
|
' type vlan id %d' %vlanid)
|
|
self._cache_update([vlan_device_name], {})
|
|
|
|
def link_create_vlan_from_name(self, vlan_device_name):
|
|
v = vlan_device_name.split('.')
|
|
if len(v) != 2:
|
|
self.logger.warn('invalid vlan device name %s' %vlan_device_name)
|
|
return
|
|
self.link_create_vlan(vlan_device_name, v[0], v[1])
|
|
|
|
def link_create_macvlan(self, name, linkdev, mode='private'):
|
|
if self.link_exists(name):
|
|
return
|
|
cmd = ('link add link %s' %linkdev +
|
|
' name %s' %name +
|
|
' type macvlan mode %s' %mode)
|
|
if self.ipbatch and not self.ipbatch_pause:
|
|
self.add_to_batch(cmd)
|
|
else:
|
|
self.exec_command('ip %s' %cmd)
|
|
self._cache_update([name], {})
|
|
|
|
def get_vxlan_peers(self, dev, svcnodeip):
|
|
cmd = 'bridge fdb show brport %s' % dev
|
|
cur_peers = []
|
|
try:
|
|
ps = subprocess.Popen(shlex.split(cmd), stdout=subprocess.PIPE, close_fds=True)
|
|
utils.enable_subprocess_signal_forwarding(ps, signal.SIGINT)
|
|
output = subprocess.check_output(('grep', '00:00:00:00:00:00'), stdin=ps.stdout)
|
|
ps.wait()
|
|
utils.disable_subprocess_signal_forwarding(signal.SIGINT)
|
|
try:
|
|
ppat = re.compile('\s+dst\s+(\d+.\d+.\d+.\d+)\s+')
|
|
for l in output.split('\n'):
|
|
m = ppat.search(l)
|
|
if m and m.group(1) != svcnodeip:
|
|
cur_peers.append(m.group(1))
|
|
except:
|
|
self.logger.warn('error parsing ip link output')
|
|
pass
|
|
except subprocess.CalledProcessError as e:
|
|
if e.returncode != 1:
|
|
self.logger.error(str(e))
|
|
finally:
|
|
utils.disable_subprocess_signal_forwarding(signal.SIGINT)
|
|
|
|
return cur_peers
|
|
|
|
def link_create_vxlan(self, name, vxlanid,
|
|
localtunnelip=None,
|
|
svcnodeip=None,
|
|
remoteips=None,
|
|
learning='on',
|
|
ageing=None,
|
|
anycastip=None):
|
|
if svcnodeip and remoteips:
|
|
raise Exception("svcnodeip and remoteip is mutually exclusive")
|
|
args = ''
|
|
if svcnodeip:
|
|
args += ' remote %s' %svcnodeip
|
|
if ageing:
|
|
args += ' ageing %s' %ageing
|
|
if learning == 'off':
|
|
args += ' nolearning'
|
|
|
|
if self.link_exists(name):
|
|
cmd = 'link set dev %s type vxlan dstport %d' %(name, VXLAN_UDP_PORT)
|
|
vxlanattrs = self.get_vxlandev_attrs(name)
|
|
# on ifreload do not overwrite anycast_ip to individual ip if clagd
|
|
# has modified
|
|
if vxlanattrs:
|
|
running_localtunnelip = vxlanattrs.get('local')
|
|
if anycastip and running_localtunnelip and anycastip == running_localtunnelip:
|
|
localtunnelip = running_localtunnelip
|
|
running_svcnode = vxlanattrs.get('svcnode')
|
|
if running_svcnode and not svcnodeip:
|
|
args += ' noremote'
|
|
else:
|
|
cmd = 'link add dev %s type vxlan id %s dstport %d' %(name, vxlanid, VXLAN_UDP_PORT)
|
|
|
|
if localtunnelip:
|
|
args += ' local %s' %localtunnelip
|
|
cmd += args
|
|
|
|
if self.ipbatch and not self.ipbatch_pause:
|
|
self.add_to_batch(cmd)
|
|
else:
|
|
self.exec_command('ip %s' %cmd)
|
|
|
|
if not systemUtils.is_service_running(None, '/var/run/vxrd.pid'):
|
|
#figure out the diff for remotes and do the bridge fdb updates
|
|
#only if provisioned by user and not by vxrd
|
|
cur_peers = set(self.get_vxlan_peers(name, svcnodeip))
|
|
if remoteips:
|
|
new_peers = set(remoteips)
|
|
del_list = cur_peers.difference(new_peers)
|
|
add_list = new_peers.difference(cur_peers)
|
|
else:
|
|
del_list = cur_peers
|
|
add_list = []
|
|
|
|
try:
|
|
for addr in del_list:
|
|
self.bridge_fdb_del(name, '00:00:00:00:00:00', None, True, addr)
|
|
except:
|
|
pass
|
|
|
|
try:
|
|
for addr in add_list:
|
|
self.bridge_fdb_append(name, '00:00:00:00:00:00', None, True, addr)
|
|
except:
|
|
pass
|
|
|
|
# XXX: update linkinfo correctly
|
|
self._cache_update([name], {})
|
|
|
|
def link_exists(self, ifacename):
|
|
if ifupdownflags.flags.DRYRUN:
|
|
return True
|
|
return os.path.exists('/sys/class/net/%s' %ifacename)
|
|
|
|
def is_vlan_device_by_name(self, ifacename):
|
|
if re.search(r'\.', ifacename):
|
|
return True
|
|
return False
|
|
|
|
def route_add(self, route):
|
|
self.exec_command('ip route add ' + route)
|
|
|
|
def route6_add(self, route):
|
|
self.exec_command('ip -6 route add ' + route)
|
|
|
|
def get_vlandev_attrs(self, ifacename):
|
|
return (self._cache_get('link', [ifacename, 'link']),
|
|
self._cache_get('link', [ifacename, 'linkinfo', 'vlanid']))
|
|
|
|
def get_vxlandev_attrs(self, ifacename):
|
|
return self._cache_get('link', [ifacename, 'linkinfo'])
|
|
|
|
def link_get_linkinfo_attrs(self, ifacename):
|
|
return self._cache_get('link', [ifacename, 'linkinfo'])
|
|
|
|
def link_get_mtu(self, ifacename, refresh=False):
|
|
return self._cache_get('link', [ifacename, 'mtu'], refresh=refresh)
|
|
|
|
def link_get_kind(self, ifacename):
|
|
return self._cache_get('link', [ifacename, 'kind'])
|
|
|
|
def link_get_hwaddress(self, ifacename):
|
|
address = self._cache_get('link', [ifacename, 'hwaddress'])
|
|
# newly created logical interface addresses dont end up in the cache
|
|
# read hwaddress from sysfs file for these interfaces
|
|
if not address:
|
|
address = self.read_file_oneline('/sys/class/net/%s/address'
|
|
%ifacename)
|
|
return address
|
|
|
|
def link_create(self, ifacename, type, attrs={}):
|
|
""" generic link_create function """
|
|
if self.link_exists(ifacename):
|
|
return
|
|
cmd = 'link add'
|
|
cmd += ' name %s type %s' %(ifacename, type)
|
|
if attrs:
|
|
for k, v in attrs.iteritems():
|
|
cmd += ' %s' %k
|
|
if v:
|
|
cmd += ' %s' %v
|
|
if self.ipbatch and not self.ipbatch_pause:
|
|
self.add_to_batch(cmd)
|
|
else:
|
|
self.exec_command('ip %s' %cmd)
|
|
self._cache_update([ifacename], {})
|
|
|
|
def link_delete(self, ifacename):
|
|
if not self.link_exists(ifacename):
|
|
return
|
|
cmd = 'link del %s' %ifacename
|
|
if self.ipbatch and not self.ipbatch_pause:
|
|
self.add_to_batch(cmd)
|
|
else:
|
|
self.exec_command('ip %s' %cmd)
|
|
self._cache_invalidate()
|
|
|
|
def link_get_master(self, ifacename):
|
|
sysfs_master_path = '/sys/class/net/%s/master' %ifacename
|
|
if os.path.exists(sysfs_master_path):
|
|
link_path = os.readlink(sysfs_master_path)
|
|
if link_path:
|
|
return os.path.basename(link_path)
|
|
else:
|
|
return None
|
|
else:
|
|
return self._cache_get('link', [ifacename, 'master'])
|
|
|
|
def bridge_port_vids_add(self, bridgeportname, vids):
|
|
[self.exec_command('bridge vlan add vid %s dev %s'
|
|
%(v, bridgeportname)) for v in vids]
|
|
|
|
def bridge_port_vids_del(self, bridgeportname, vids):
|
|
if not vids:
|
|
return
|
|
[self.exec_command('bridge vlan del vid %s dev %s'
|
|
%(v, bridgeportname)) for v in vids]
|
|
|
|
def bridge_port_vids_flush(self, bridgeportname):
|
|
self.exec_command('bridge vlan del vid %s dev %s'
|
|
%(vid, bridgeportname))
|
|
|
|
def bridge_port_vids_get(self, bridgeportname):
|
|
self.exec_command('/sbin/bridge vlan show %s' %bridgeportname)
|
|
bridgeout = self.exec_command('/sbin/bridge vlan show dev %s'
|
|
%bridgeportname)
|
|
if not bridgeout: return []
|
|
brvlanlines = bridgeout.readlines()[2:]
|
|
vids = [l.strip() for l in brvlanlines]
|
|
return [vid for v in vids if vid]
|
|
|
|
def bridge_port_vids_get_all(self):
|
|
brvlaninfo = {}
|
|
bridgeout = self.exec_command('/sbin/bridge -c vlan show')
|
|
if not bridgeout: return brvlaninfo
|
|
brvlanlines = bridgeout.splitlines()
|
|
brportname=None
|
|
for l in brvlanlines[1:]:
|
|
if l and l[0] not in [' ', '\t']:
|
|
brportname = None
|
|
l=l.strip()
|
|
if not l:
|
|
brportname=None
|
|
continue
|
|
if 'PVID' in l:
|
|
attrs = l.split()
|
|
brportname = attrs[0]
|
|
brvlaninfo[brportname] = {'pvid' : attrs[1],
|
|
'vlan' : []}
|
|
elif brportname:
|
|
if 'Egress Untagged' not in l:
|
|
brvlaninfo[brportname]['vlan'].append(l)
|
|
elif not brportname:
|
|
attrs = l.split()
|
|
if attrs[1] == 'None' or 'Egress Untagged' in attrs[1]:
|
|
continue
|
|
brportname = attrs[0]
|
|
brvlaninfo[brportname] = {'vlan' : [attrs[1]]}
|
|
return brvlaninfo
|
|
|
|
def bridge_port_pvid_add(self, bridgeportname, pvid):
|
|
self.exec_command('bridge vlan add vid %s untagged pvid dev %s'
|
|
%(pvid, bridgeportname))
|
|
|
|
def bridge_port_pvid_del(self, bridgeportname, pvid):
|
|
self.exec_command('bridge vlan del vid %s untagged pvid dev %s'
|
|
%(pvid, bridgeportname))
|
|
|
|
def bridge_port_pvids_get(self, bridgeportname):
|
|
return self.read_file_oneline('/sys/class/net/%s/brport/pvid'
|
|
%bridgeportname)
|
|
|
|
def bridge_vids_add(self, bridgeportname, vids, bridge=True):
|
|
target = 'self' if bridge else ''
|
|
[self.exec_command('bridge vlan add vid %s dev %s %s'
|
|
%(v, bridgeportname, target)) for v in vids]
|
|
|
|
def bridge_vids_del(self, bridgeportname, vids, bridge=True):
|
|
target = 'self' if bridge else ''
|
|
[self.exec_command('bridge vlan del vid %s dev %s %s'
|
|
%(v, bridgeportname, target)) for v in vids]
|
|
|
|
def bridge_fdb_add(self, dev, address, vlan=None, bridge=True, remote=None):
|
|
target = 'self' if bridge else ''
|
|
vlan_str = ''
|
|
if vlan:
|
|
vlan_str = 'vlan %s ' % vlan
|
|
|
|
dst_str = ''
|
|
if remote:
|
|
dst_str = 'dst %s ' % remote
|
|
|
|
self.exec_command('bridge fdb replace %s dev %s %s %s %s'
|
|
%(address, dev, vlan_str, target, dst_str))
|
|
|
|
def bridge_fdb_append(self, dev, address, vlan=None, bridge=True, remote=None):
|
|
target = 'self' if bridge else ''
|
|
vlan_str = ''
|
|
if vlan:
|
|
vlan_str = 'vlan %s ' % vlan
|
|
|
|
dst_str = ''
|
|
if remote:
|
|
dst_str = 'dst %s ' % remote
|
|
|
|
self.exec_command('bridge fdb append %s dev %s %s %s %s'
|
|
%(address, dev, vlan_str, target, dst_str))
|
|
|
|
def bridge_fdb_del(self, dev, address, vlan=None, bridge=True, remote=None):
|
|
target = 'self' if bridge else ''
|
|
vlan_str = ''
|
|
if vlan:
|
|
vlan_str = 'vlan %s ' % vlan
|
|
|
|
dst_str = ''
|
|
if remote:
|
|
dst_str = 'dst %s ' % remote
|
|
self.exec_command('bridge fdb del %s dev %s %s %s %s'
|
|
%(address, dev, vlan_str, target, dst_str))
|
|
|
|
def bridge_is_vlan_aware(self, bridgename):
|
|
filename = '/sys/class/net/%s/bridge/vlan_filtering' %bridgename
|
|
if os.path.exists(filename) and self.read_file_oneline(filename) == '1':
|
|
return True
|
|
return False
|
|
|
|
def bridge_port_get_bridge_name(self, bridgeport):
|
|
filename = '/sys/class/net/%s/brport/bridge' %bridgeport
|
|
try:
|
|
return os.path.basename(os.readlink(filename))
|
|
except:
|
|
return None
|
|
|
|
def bridge_port_exists(self, bridge, bridgeportname):
|
|
try:
|
|
return os.path.exists('/sys/class/net/%s/brif/%s'
|
|
%(bridge, bridgeportname))
|
|
except Exception:
|
|
return False
|
|
|
|
def bridge_fdb_show_dev(self, dev):
|
|
try:
|
|
fdbs = {}
|
|
output = self.exec_command('bridge fdb show dev %s' %dev)
|
|
if output:
|
|
for fdb_entry in output.splitlines():
|
|
try:
|
|
entries = fdb_entry.split()
|
|
fdbs.setdefault(entries[2], []).append(entries[0])
|
|
except:
|
|
self.logger.debug('%s: invalid fdb line \'%s\''
|
|
%(dev, fdb_entry))
|
|
pass
|
|
return fdbs
|
|
except Exception:
|
|
return None
|
|
|
|
def is_bridge(self, bridge):
|
|
return os.path.exists('/sys/class/net/%s/bridge' %bridge)
|
|
|
|
def is_link_up(self, ifacename):
|
|
ret = False
|
|
try:
|
|
flags = self.read_file_oneline('/sys/class/net/%s/flags' %ifacename)
|
|
iflags = int(flags, 16)
|
|
if (iflags & 0x0001):
|
|
ret = True
|
|
except:
|
|
ret = False
|
|
pass
|
|
return ret
|
|
|
|
def ip_route_get_dev(self, prefix):
|
|
try:
|
|
output = self.exec_command('ip route get %s' %prefix)
|
|
if output:
|
|
rline = output.splitlines()[0]
|
|
if rline:
|
|
rattrs = rline.split()
|
|
return rattrs[rattrs.index('dev') + 1]
|
|
except Exception, e:
|
|
self.logger.debug('ip_route_get_dev: failed .. %s' %str(e))
|
|
pass
|
|
return None
|
|
|
|
def link_get_lowers(self, ifacename):
|
|
try:
|
|
lowers = glob.glob("/sys/class/net/%s/lower_*" %ifacename)
|
|
if not lowers:
|
|
return []
|
|
return [os.path.basename(l)[6:] for l in lowers]
|
|
except:
|
|
return []
|
|
|
|
def link_get_upper(self, ifacename):
|
|
try:
|
|
upper = glob.glob("/sys/class/net/%s/upper_*" %ifacename)
|
|
if not upper:
|
|
return None
|
|
return os.path.basename(upper[0])[6:]
|
|
except:
|
|
return None
|
|
|
|
def link_get_vrfs(self):
|
|
self._fill_cache()
|
|
return linkCache.vrfs
|