def unplug_tap(self, instance, vif):
"""Unplug a VIF_TYPE_TAP virtual interface."""
dev = self.get_vif_devname(vif)
try:
linux_net_utils.delete_net_dev(dev)
except processutils.ProcessExecutionError:
LOG.exception(_("Failed while unplugging vif"), instance=instance)
def unplug_tap(self, instance, vif):
"""Unplug a VIF_TYPE_TAP virtual interface."""
dev = self.get_vif_devname(vif)
try:
linux_net_utils.delete_net_dev(dev)
except processutils.ProcessExecutionError:
LOG.exception(_("Failed while unplugging vif"), instance=instance)
def _post_unplug_wiring_delete_veth(instance, vif):
v1_name = get_vif_devname(vif)
try:
if _is_ovs_vif_port(vif):
linux_net.delete_ovs_vif_port(vif['network']['bridge'], v1_name,
True)
else:
network_utils.delete_net_dev(v1_name)
except processutils.ProcessExecutionError:
LOG.exception("Failed to delete veth for vif", vif=vif)
def unplug_vrouter(self, instance, vif):
"""Unplug Contrail's network port
Unbind the vif from a Contrail virtual port.
"""
dev = self.get_vif_devname(vif)
port_id = vif['id']
try:
nova.privsep.libvirt.unplug_contrail_vif(port_id)
linux_net_utils.delete_net_dev(dev)
except processutils.ProcessExecutionError:
LOG.exception(_("Failed while unplugging vif"), instance=instance)
def unplug_iovisor(self, instance, vif):
"""Unplug using PLUMgrid IO Visor Driver
Delete network device and to their respective
connection to the Virtual Domain in PLUMgrid Platform.
"""
dev = self.get_vif_devname(vif)
try:
nova.privsep.libvirt.unplug_plumgrid_vif(dev)
linux_net_utils.delete_net_dev(dev)
except processutils.ProcessExecutionError:
LOG.exception(_("Failed while unplugging vif"), instance=instance)
def unplug_vrouter(self, instance, vif):
"""Unplug Contrail's network port
Unbind the vif from a Contrail virtual port.
"""
dev = self.get_vif_devname(vif)
port_id = vif['id']
try:
nova.privsep.libvirt.unplug_contrail_vif(port_id)
linux_net_utils.delete_net_dev(dev)
except processutils.ProcessExecutionError:
LOG.exception(_("Failed while unplugging vif"), instance=instance)
def unplug_iovisor(self, instance, vif):
"""Unplug using PLUMgrid IO Visor Driver
Delete network device and to their respective
connection to the Virtual Domain in PLUMgrid Platform.
"""
dev = self.get_vif_devname(vif)
try:
nova.privsep.libvirt.unplug_plumgrid_vif(dev)
linux_net_utils.delete_net_dev(dev)
except processutils.ProcessExecutionError:
LOG.exception(_("Failed while unplugging vif"), instance=instance)
def _post_unplug_wiring_delete_veth(instance, vif):
"""Wire/plug the virtual interface for the instance into the bridge that
lxd is using.
:param instance: the instance to plug into the bridge
:type instance: ???
:param vif: the virtual interface to plug into the bridge
:type vif: :class:`nova.network.model.VIF`
"""
v1_name = get_vif_devname(vif)
try:
if _is_ovs_vif_port(vif):
linux_net.delete_ovs_vif_port(vif['network']['bridge'], v1_name,
True)
else:
network_utils.delete_net_dev(v1_name)
except processutils.ProcessExecutionError:
LOG.exception("Failed to delete veth for vif {}".foramt(vif),
instance=instance)
def _create_veth_pair(dev1_name, dev2_name, mtu=None):
"""Create a pair of veth devices with the specified names,
deleting any previous devices with those names.
"""
for dev in [dev1_name, dev2_name]:
network_utils.delete_net_dev(dev)
utils.execute('ip',
'link',
'add',
dev1_name,
'type',
'veth',
'peer',
'name',
dev2_name,
run_as_root=True)
for dev in [dev1_name, dev2_name]:
utils.execute('ip', 'link', 'set', dev, 'up', run_as_root=True)
network_utils.set_device_mtu(dev, mtu)
