def _plug_os_vif(self, instance, vif, raw_vif):
instance_info = os_vif_util.nova_to_osvif_instance(instance)
try:
os_vif.plug(vif, instance_info)
except osv_exception.ExceptionBase as ex:
msg = (_("Failure running os_vif plugin plug method: %(ex)s") % {
'ex': ex
})
raise exception.NovaException(msg)
# TODO(johngarbutt) remove this hack once 1623876 is fixed in os-vif
network = raw_vif.get('network')
mtu = network.get_meta('mtu') if network else None
if mtu is not None:
linux_net._set_device_mtu(network["bridge"], mtu)
if (type(vif) == os_vif.objects.vif.VIFBridge
and hasattr(vif, "port_profile")
and isinstance(vif.port_profile,
os_vif.objects.vif.VIFPortProfileOpenVSwitch)):
veths = [("qvb%s" % vif.id)[:network_model.NIC_NAME_LEN],
("qvo%s" % vif.id)[:network_model.NIC_NAME_LEN]]
for veth in veths:
linux_net._set_device_mtu(veth, mtu)
def _plug_os_vif(self, instance, vif, raw_vif):
instance_info = os_vif_util.nova_to_osvif_instance(instance)
try:
os_vif.plug(vif, instance_info)
except osv_exception.ExceptionBase as ex:
msg = (_("Failure running os_vif plugin plug method: %(ex)s")
% {'ex': ex})
raise exception.NovaException(msg)
# TODO(johngarbutt) remove this hack once 1623876 is fixed in os-vif
network = raw_vif.get('network')
mtu = network.get_meta('mtu') if network else None
if mtu is not None:
linux_net._set_device_mtu(network["bridge"], mtu)
if (type(vif) == os_vif.objects.vif.VIFBridge and
hasattr(vif, "port_profile") and
isinstance(vif.port_profile,
os_vif.objects.vif.VIFPortProfileOpenVSwitch)):
veths = [
("qvb%s" % vif.id)[:network_model.NIC_NAME_LEN],
("qvo%s" % vif.id)[:network_model.NIC_NAME_LEN]]
for veth in veths:
linux_net._set_device_mtu(veth, mtu)
def plug_tap(self, instance, vif):
"""Plug a VIF_TYPE_TAP virtual interface."""
dev = self.get_vif_devname(vif)
mac = vif['details'].get(network_model.VIF_DETAILS_TAP_MAC_ADDRESS)
linux_net.create_tap_dev(dev, mac)
network = vif.get('network')
mtu = network.get_meta('mtu') if network else None
linux_net._set_device_mtu(dev, mtu)
def plug_tap(self, instance, vif):
"""Plug a VIF_TYPE_TAP virtual interface."""
dev = self.get_vif_devname(vif)
mac = vif['details'].get(network_model.VIF_DETAILS_TAP_MAC_ADDRESS)
linux_net.create_tap_dev(dev, mac)
network = vif.get('network')
mtu = network.get_meta('mtu') if network else None
linux_net._set_device_mtu(dev, mtu)
def test_set_device_mtu_configured(self):
self.flags(network_device_mtu=10000)
calls = [
mock.call("ip", "link", "set", "fake-dev", "mtu", 10000, run_as_root=True, check_exit_code=[0, 2, 254])
]
with mock.patch.object(utils, "execute", return_value=("", "")) as ex:
linux_net._set_device_mtu("fake-dev")
ex.assert_has_calls(calls)
def test_set_device_mtu_configured(self):
self.flags(network_device_mtu=10000)
calls = [
mock.call('ip', 'link', 'set', 'fake-dev', 'mtu',
10000, run_as_root=True,
check_exit_code=[0, 2, 254])
]
with mock.patch.object(utils, 'execute', return_value=('', '')) as ex:
linux_net._set_device_mtu('fake-dev')
ex.assert_has_calls(calls)
def test_set_device_mtu_configured(self):
self.flags(network_device_mtu=10000)
calls = [
mock.call('ip', 'link', 'set', 'fake-dev', 'mtu',
10000, run_as_root=True,
check_exit_code=[0, 2, 254])
]
with mock.patch.object(utils, 'execute', return_value=('', '')) as ex:
linux_net._set_device_mtu('fake-dev')
ex.assert_has_calls(calls)
def plug_tap(self, instance, vif):
"""Plug a VIF_TYPE_TAP virtual interface."""
v1_name = get_vif_devname(vif)
v2_name = get_vif_internal_devname(vif)
network = vif.get('network')
mtu = network.get_meta('mtu') if network else None
# NOTE(jamespage): For nova-lxd this is really a veth pair
# so that a) security rules get applied on the host
# and b) that the container can still be wired.
if not linux_net.device_exists(v1_name):
_create_veth_pair(v1_name, v2_name, mtu)
else:
linux_net._set_device_mtu(v1_name, mtu)
def _post_plug_wiring_veth_and_bridge(instance, vif):
config = get_config(vif)
network = vif.get('network')
mtu = network.get_meta('mtu') if network else None
v1_name = get_vif_devname(vif)
v2_name = get_vif_internal_devname(vif)
if not linux_net.device_exists(v1_name):
_create_veth_pair(v1_name, v2_name, mtu)
if _is_ovs_vif_port(vif):
# NOTE(jamespage): wire tap device directly to ovs bridge
linux_net.create_ovs_vif_port(vif['network']['bridge'], v1_name,
vif['id'], vif['address'],
instance.uuid, mtu)
else:
# NOTE(jamespage): wire tap device linux bridge
_add_bridge_port(config['bridge'], v1_name)
else:
linux_net._set_device_mtu(v1_name, mtu)
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]:
linux_net.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)
linux_net._set_device_mtu(dev, mtu)
def test_set_device_mtu_default(self):
calls = []
with mock.patch.object(utils, 'execute', return_value=('', '')) as ex:
linux_net._set_device_mtu('fake-dev')
ex.assert_has_calls(calls)
def test_set_device_mtu_default(self):
calls = []
with mock.patch.object(utils, 'execute', return_value=('', '')) as ex:
linux_net._set_device_mtu('fake-dev')
ex.assert_has_calls(calls)
def test_set_device_mtu_default(self):
calls = []
with mock.patch.object(utils, "execute", return_value=("", "")) as ex:
linux_net._set_device_mtu("fake-dev")
ex.assert_has_calls(calls)
def plug_tap(self, instance, vif):
"""Plug a VIF_TYPE_TAP virtual interface."""
dev = self.get_vif_devname(vif)
mac = vif["details"].get(network_model.VIF_DETAILS_TAP_MAC_ADDRESS)
linux_net.create_tap_dev(dev, mac)
linux_net._set_device_mtu(dev)