/usr/share/ifupdown2/ifupdown/netlink.py is in ifupdown2 1.0~git20170314-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | #!/usr/bin/python
#
# Copyright 2016 Cumulus Networks, Inc. All rights reserved.
# Author: Julien Fortin, julien@cumulusnetworks.com
#
try:
from ifupdownaddons.utilsbase import utilsBase
from nlmanager.nlmanager import NetlinkManager
import ifupdown.ifupdownflags as ifupdownflags
except ImportError, e:
raise ImportError(str(e) + "- required module not found")
class Netlink(utilsBase):
VXLAN_UDP_PORT = 4789
def __init__(self, *args, **kargs):
utilsBase.__init__(self, *args, **kargs)
self._nlmanager_api = NetlinkManager()
def get_iface_index(self, ifacename):
if ifupdownflags.flags.DRYRUN: return
try:
return self._nlmanager_api.get_iface_index(ifacename)
except Exception as e:
raise Exception('%s: netlink: %s: cannot get ifindex: %s'
% (ifacename, ifacename, str(e)))
def link_add_vlan(self, vlanrawdevice, ifacename, vlanid):
self.logger.info('%s: netlink: ip link add link %s name %s type vlan id %s'
% (ifacename, vlanrawdevice, ifacename, vlanid))
if ifupdownflags.flags.DRYRUN: return
ifindex = self.get_iface_index(vlanrawdevice)
try:
return self._nlmanager_api.link_add_vlan(ifindex, ifacename, vlanid)
except Exception as e:
raise Exception('netlink: %s: cannot create vlan %s: %s'
% (vlanrawdevice, vlanid, str(e)))
def link_add_macvlan(self, ifacename, macvlan_ifacename):
self.logger.info('%s: netlink: ip link add link %s name %s type macvlan mode private'
% (ifacename, ifacename, macvlan_ifacename))
if ifupdownflags.flags.DRYRUN: return
ifindex = self.get_iface_index(ifacename)
try:
return self._nlmanager_api.link_add_macvlan(ifindex, macvlan_ifacename)
except Exception as e:
raise Exception('netlink: %s: cannot create macvlan %s: %s'
% (ifacename, macvlan_ifacename, str(e)))
def link_set_updown(self, ifacename, state):
self.logger.info('%s: netlink: ip link set dev %s %s'
% (ifacename, ifacename, state))
if ifupdownflags.flags.DRYRUN: return
try:
return self._nlmanager_api.link_set_updown(ifacename, state)
except Exception as e:
raise Exception('netlink: cannot set link %s %s: %s'
% (ifacename, state, str(e)))
def link_set_protodown(self, ifacename, state):
self.logger.info('%s: netlink: set link %s protodown %s'
% (ifacename, ifacename, state))
if ifupdownflags.flags.DRYRUN: return
try:
return self._nlmanager_api.link_set_protodown(ifacename, state)
except Exception as e:
raise Exception('netlink: cannot set link %s protodown %s: %s'
% (ifacename, state, str(e)))
def link_add_bridge_vlan(self, ifacename, vlanid):
self.logger.info('%s: netlink: bridge vlan add vid %s dev %s'
% (ifacename, vlanid, ifacename))
if ifupdownflags.flags.DRYRUN: return
ifindex = self.get_iface_index(ifacename)
try:
return self._nlmanager_api.link_add_bridge_vlan(ifindex, vlanid)
except Exception as e:
raise Exception('netlink: %s: cannot create bridge vlan %s: %s'
% (ifacename, vlanid, str(e)))
def link_del_bridge_vlan(self, ifacename, vlanid):
self.logger.info('%s: netlink: bridge vlan del vid %s dev %s'
% (ifacename, vlanid, ifacename))
if ifupdownflags.flags.DRYRUN: return
ifindex = self.get_iface_index(ifacename)
try:
return self._nlmanager_api.link_del_bridge_vlan(ifindex, vlanid)
except Exception as e:
raise Exception('netlink: %s: cannot remove bridge vlan %s: %s'
% (ifacename, vlanid, str(e)))
def link_add_vxlan(self, ifacename, vxlanid, local=None, dstport=VXLAN_UDP_PORT,
group=None, learning='on', ageing=None):
cmd = 'ip link add %s type vxlan id %s dstport %s' % (ifacename,
vxlanid,
dstport)
cmd += ' local %s' % local if local else ''
cmd += ' ageing %s' % ageing if ageing else ''
cmd += ' remote %s' % group if group else ' noremote'
cmd += ' nolearning' if learning == 'off' else ''
self.logger.info('%s: netlink: %s' % (ifacename, cmd))
if ifupdownflags.flags.DRYRUN: return
try:
return self._nlmanager_api.link_add_vxlan(ifacename,
vxlanid,
dstport=dstport,
local=local,
group=group,
learning=learning,
ageing=ageing)
except Exception as e:
raise Exception('netlink: %s: cannot create vxlan %s: %s'
% (ifacename, vxlanid, str(e)))
netlink = Netlink()
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