def set(self,
device,
check_exit_code=None,
state=None,
mtu=None,
address=None,
promisc=None):
check_exit_code = check_exit_code or []
ip = iproute.IPRoute()
idx = ip.link_lookup(ifname=device)
if not idx:
raise exception.NetworkInterfaceNotFound(interface=device)
idx = idx[0]
args = {'index': idx}
if state:
args['state'] = state
if mtu:
args['mtu'] = mtu
if address:
args['address'] = address
if promisc is not None:
flags = ip.link('get', index=idx)[0]['flags']
args['flags'] = (utils.set_mask(flags, ifinfmsg.IFF_PROMISC)
if promisc is True else utils.unset_mask(
flags, ifinfmsg.IFF_PROMISC))
if isinstance(check_exit_code, int):
check_exit_code = [check_exit_code]
return self._ip_link(ip, 'set', check_exit_code, **args)
def add(self, device, dev_type, check_exit_code=None, peer=None, link=None,
vlan_id=None, ageing=None):
check_exit_code = check_exit_code or []
with iproute.IPRoute() as ip:
args = {'ifname': device,
'kind': dev_type}
if self.TYPE_VLAN == dev_type:
args['vlan_id'] = vlan_id
args['link'] = self.lookup_interface(ip, link)
elif self.TYPE_VETH == dev_type:
args['peer'] = peer
elif self.TYPE_BRIDGE == dev_type:
# NOTE(sean-k-mooney): the keys are defined in the pyroute2
# codebase but are not documented. see the nla_map field
# in the bridge_data class located in the
# pyroute2.netlink.rtnl.ifinfmsg module for mode details
# https://github.com/svinota/pyroute2/blob/3ba9cdde34b2346ef8c2f8ba17cef5dbeb4c6d52/pyroute2/netlink/rtnl/ifinfmsg/__init__.py#L776-L820
args['IFLA_BR_FORWARD_DELAY'] = 0 # set no delay
args['IFLA_BR_STP_STATE'] = 0 # disable spanning tree
args['IFLA_BR_MCAST_SNOOPING'] = 0 # disable snooping
# NOTE(sean-k-mooney): we conditionally enable mac ageing as
# this code is shared between the ovs and linux bridge
# plugins. For linux bridge we want to allow the default
# ageing of 300 seconds, whereas for ovs with the ip-tables
# firewall we want to disable ageing. None was chosen as
# the default value of ageing to allow the caller to determine
# what policy to use and keep this code generic.
if ageing is not None:
args['IFLA_BR_AGEING_TIME'] = ageing
else:
raise exception.NetworkInterfaceTypeNotDefined(type=dev_type)
return self._ip_link(ip, 'add', check_exit_code, **args)
def add(self,
device,
dev_type,
check_exit_code=None,
peer=None,
link=None,
vlan_id=None):
check_exit_code = check_exit_code or []
with iproute.IPRoute() as ip:
args = {'ifname': device, 'kind': dev_type}
if self.TYPE_VLAN == dev_type:
args['vlan_id'] = vlan_id
idx = ip.link_lookup(ifname=link)
if 0 == len(idx):
raise exception.NetworkInterfaceNotFound(interface=link)
args['link'] = idx[0]
elif self.TYPE_VETH == dev_type:
args['peer'] = peer
elif self.TYPE_BRIDGE == dev_type:
# NOTE(sean-k-mooney): the keys are defined in the pyroute2
# codebase but are not documented. see the nla_map field
# in the bridge_data class located in the
# pyroute2.netlink.rtnl.ifinfmsg module for mode details
# https://github.com/svinota/pyroute2/blob/3ba9cdde34b2346ef8c2f8ba17cef5dbeb4c6d52/pyroute2/netlink/rtnl/ifinfmsg/__init__.py#L776-L820
args['IFLA_BR_AGEING_TIME'] = 0 # disable mac learning ageing
args['IFLA_BR_FORWARD_DELAY'] = 0 # set no delay
args['IFLA_BR_STP_STATE'] = 0 # disable spanning tree
args['IFLA_BR_MCAST_SNOOPING'] = 0 # disable snooping
else:
raise exception.NetworkInterfaceTypeNotDefined(type=dev_type)
return self._ip_link(ip, 'add', check_exit_code, **args)
def exists(self, device):
"""Return True if the device exists."""
with iproute.IPRoute() as ip:
try:
self.lookup_interface(ip, device)
return True
except Exception:
return False
def delete(self, device, check_exit_code=None):
check_exit_code = check_exit_code or []
ip = iproute.IPRoute()
idx = ip.link_lookup(ifname=device)
if len(idx) == 0:
raise exception.NetworkInterfaceNotFound(interface=device)
idx = idx[0]
return self._ip_link(ip, 'del', check_exit_code, **{'index': idx})
def add_conf(dev):
table_id = int(str(dev)[3:]) + 1 # table_id based on ppp interface int
handler = iproute.IPRoute()
index = handler.link_lookup(ifname=str(dev))[0]
vpnclient = (handler.get_addr(
match=lambda x: x['index'] == int(index)))[0]['attrs'][0][1]
command('ip rule add from ' + str(get_ip_address(dev)) + ' table ' +
str(table_id))
command('ip route add default scope global via ' + str(vpnclient) +
' dev ' + str(dev) + ' table ' + str(table_id))
return
def add(self,
device,
dev_type,
check_exit_code=None,
peer=None,
link=None,
vlan_id=None):
check_exit_code = check_exit_code or []
ip = iproute.IPRoute()
args = {'ifname': device, 'kind': dev_type}
if self.TYPE_VLAN == dev_type:
args['vlan_id'] = vlan_id
idx = ip.link_lookup(ifname=link)
if 0 == len(idx):
raise exception.NetworkInterfaceNotFound(interface=link)
args['link'] = idx[0]
elif self.TYPE_VETH == dev_type:
args['peer'] = peer
else:
raise exception.NetworkInterfaceTypeNotDefined(type=dev_type)
return self._ip_link(ip, 'add', check_exit_code, **args)
def set(self, device, check_exit_code=None, state=None, mtu=None,
address=None, promisc=None, master=None):
check_exit_code = check_exit_code or []
with iproute.IPRoute() as ip:
idx = self.lookup_interface(ip, device)
args = {'index': idx}
if state:
args['state'] = state
if mtu:
args['mtu'] = mtu
if address:
args['address'] = address
if promisc is not None:
flags = ip.link('get', index=idx)[0]['flags']
args['flags'] = (utils.set_mask(flags, ifinfmsg.IFF_PROMISC)
if promisc is True else
utils.unset_mask(flags, ifinfmsg.IFF_PROMISC))
if master:
args['master'] = self.lookup_interface(ip, master)
if isinstance(check_exit_code, int):
check_exit_code = [check_exit_code]
return self._ip_link(ip, 'set', check_exit_code, **args)
def exists(self, device):
"""Return True if the device exists."""
with iproute.IPRoute() as ip:
idx = ip.link_lookup(ifname=device)
return True if idx else False
def delete(self, device, check_exit_code=None):
check_exit_code = check_exit_code or []
with iproute.IPRoute() as ip:
idx = self.lookup_interface(ip, device)
return self._ip_link(ip, 'del', check_exit_code, **{'index': idx})
