def lookup_interface(self, ip, link):
# TODO(sean-k-mooney): remove try block after we raise
# the min pyroute2 version above 0.5.12
try:
idx = ip.link_lookup(ifname=link)
except ipexc.NetlinkError:
raise exception.NetworkInterfaceNotFound(interface=link)
if not len(idx):
raise exception.NetworkInterfaceNotFound(interface=link)
return idx[0]
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):
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 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(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
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_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 []
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)