973 lines
39 KiB
Python
973 lines
39 KiB
Python
# Copyright (C) 2011 Midokura KK
|
|
# Copyright (C) 2011 Nicira, Inc
|
|
# Copyright 2011 OpenStack Foundation
|
|
# All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
"""VIF drivers for libvirt."""
|
|
|
|
import copy
|
|
|
|
import os
|
|
from oslo_concurrency import processutils
|
|
from oslo_config import cfg
|
|
from oslo_log import log as logging
|
|
|
|
from nova import exception
|
|
from nova.i18n import _
|
|
from nova.i18n import _LE
|
|
from nova.network import linux_net
|
|
from nova.network import model as network_model
|
|
from nova import objects
|
|
from nova import utils
|
|
from nova.virt.libvirt import config as vconfig
|
|
from nova.virt.libvirt import designer
|
|
from nova.virt import osinfo
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
libvirt_vif_opts = [
|
|
cfg.BoolOpt('use_virtio_for_bridges',
|
|
default=True,
|
|
help='Use virtio for bridge interfaces with KVM/QEMU'),
|
|
]
|
|
|
|
CONF = cfg.CONF
|
|
CONF.register_opts(libvirt_vif_opts, 'libvirt')
|
|
CONF.import_opt('use_ipv6', 'nova.netconf')
|
|
|
|
# vhostuser queues support
|
|
MIN_LIBVIRT_VHOSTUSER_MQ = (1, 2, 17)
|
|
|
|
|
|
def is_vif_model_valid_for_virt(virt_type, vif_model):
|
|
valid_models = {
|
|
'qemu': [network_model.VIF_MODEL_VIRTIO,
|
|
network_model.VIF_MODEL_NE2K_PCI,
|
|
network_model.VIF_MODEL_PCNET,
|
|
network_model.VIF_MODEL_RTL8139,
|
|
network_model.VIF_MODEL_E1000,
|
|
network_model.VIF_MODEL_SPAPR_VLAN],
|
|
'kvm': [network_model.VIF_MODEL_VIRTIO,
|
|
network_model.VIF_MODEL_NE2K_PCI,
|
|
network_model.VIF_MODEL_PCNET,
|
|
network_model.VIF_MODEL_RTL8139,
|
|
network_model.VIF_MODEL_E1000,
|
|
network_model.VIF_MODEL_SPAPR_VLAN],
|
|
'xen': [network_model.VIF_MODEL_NETFRONT,
|
|
network_model.VIF_MODEL_NE2K_PCI,
|
|
network_model.VIF_MODEL_PCNET,
|
|
network_model.VIF_MODEL_RTL8139,
|
|
network_model.VIF_MODEL_E1000],
|
|
'lxc': [],
|
|
'uml': [],
|
|
}
|
|
|
|
if vif_model is None:
|
|
return True
|
|
|
|
if virt_type not in valid_models:
|
|
raise exception.UnsupportedVirtType(virt=virt_type)
|
|
|
|
return vif_model in valid_models[virt_type]
|
|
|
|
|
|
class LibvirtGenericVIFDriver(object):
|
|
"""Generic VIF driver for libvirt networking."""
|
|
|
|
def _normalize_vif_type(self, vif_type):
|
|
return vif_type.replace('2.1q', '2q')
|
|
|
|
def get_vif_devname(self, vif):
|
|
if 'devname' in vif:
|
|
return vif['devname']
|
|
return ("nic" + vif['id'])[:network_model.NIC_NAME_LEN]
|
|
|
|
def get_vif_devname_with_prefix(self, vif, prefix):
|
|
devname = self.get_vif_devname(vif)
|
|
return prefix + devname[3:]
|
|
|
|
def get_base_config(self, instance, vif, image_meta,
|
|
inst_type, virt_type):
|
|
conf = vconfig.LibvirtConfigGuestInterface()
|
|
# Default to letting libvirt / the hypervisor choose the model
|
|
model = None
|
|
driver = None
|
|
vhost_queues = None
|
|
|
|
# If the user has specified a 'vif_model' against the
|
|
# image then honour that model
|
|
if image_meta:
|
|
model = osinfo.HardwareProperties(image_meta).network_model
|
|
|
|
# Else if the virt type is KVM/QEMU, use virtio according
|
|
# to the global config parameter
|
|
if (model is None and
|
|
virt_type in ('kvm', 'qemu') and
|
|
CONF.libvirt.use_virtio_for_bridges):
|
|
model = network_model.VIF_MODEL_VIRTIO
|
|
|
|
# Workaround libvirt bug, where it mistakenly
|
|
# enables vhost mode, even for non-KVM guests
|
|
if (model == network_model.VIF_MODEL_VIRTIO and
|
|
virt_type == "qemu"):
|
|
driver = "qemu"
|
|
|
|
if not is_vif_model_valid_for_virt(virt_type,
|
|
model):
|
|
raise exception.UnsupportedHardware(model=model,
|
|
virt=virt_type)
|
|
if (virt_type == 'kvm' and
|
|
model == network_model.VIF_MODEL_VIRTIO):
|
|
vhost_drv, vhost_queues = self._get_virtio_mq_settings(image_meta,
|
|
inst_type)
|
|
driver = vhost_drv or driver
|
|
|
|
designer.set_vif_guest_frontend_config(
|
|
conf, vif['address'], model, driver, vhost_queues)
|
|
|
|
return conf
|
|
|
|
def _get_virtio_mq_settings(self, image_meta, flavor):
|
|
"""A methods to set the number of virtio queues,
|
|
if it has been requested in extra specs.
|
|
"""
|
|
driver = None
|
|
vhost_queues = None
|
|
if not isinstance(image_meta, objects.ImageMeta):
|
|
image_meta = objects.ImageMeta.from_dict(image_meta)
|
|
img_props = image_meta.properties
|
|
if img_props.get('hw_vif_multiqueue_enabled'):
|
|
driver = 'vhost'
|
|
vhost_queues = flavor.vcpus
|
|
|
|
return (driver, vhost_queues)
|
|
|
|
def get_bridge_name(self, vif):
|
|
return vif['network']['bridge']
|
|
|
|
def get_ovs_interfaceid(self, vif):
|
|
return vif.get('ovs_interfaceid') or vif['id']
|
|
|
|
def get_br_name(self, iface_id):
|
|
return ("qbr" + iface_id)[:network_model.NIC_NAME_LEN]
|
|
|
|
def get_veth_pair_names(self, iface_id):
|
|
return (("qvb%s" % iface_id)[:network_model.NIC_NAME_LEN],
|
|
("qvo%s" % iface_id)[:network_model.NIC_NAME_LEN])
|
|
|
|
def get_firewall_required(self, vif):
|
|
if vif.is_neutron_filtering_enabled():
|
|
return False
|
|
if CONF.firewall_driver != "nova.virt.firewall.NoopFirewallDriver":
|
|
return True
|
|
return False
|
|
|
|
def get_config_bridge(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
"""Get VIF configurations for bridge type."""
|
|
conf = self.get_base_config(instance, vif, image_meta,
|
|
inst_type, virt_type)
|
|
|
|
designer.set_vif_host_backend_bridge_config(
|
|
conf, self.get_bridge_name(vif),
|
|
self.get_vif_devname(vif))
|
|
|
|
mac_id = vif['address'].replace(':', '')
|
|
name = "nova-instance-" + instance.name + "-" + mac_id
|
|
if self.get_firewall_required(vif):
|
|
conf.filtername = name
|
|
designer.set_vif_bandwidth_config(conf, inst_type)
|
|
|
|
return conf
|
|
|
|
def get_config_ovs_bridge(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
conf = self.get_base_config(instance, vif, image_meta,
|
|
inst_type, virt_type)
|
|
|
|
designer.set_vif_host_backend_ovs_config(
|
|
conf, self.get_bridge_name(vif),
|
|
self.get_ovs_interfaceid(vif),
|
|
self.get_vif_devname(vif))
|
|
|
|
designer.set_vif_bandwidth_config(conf, inst_type)
|
|
|
|
return conf
|
|
|
|
def get_config_ovs_hybrid(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
newvif = copy.deepcopy(vif)
|
|
newvif['network']['bridge'] = self.get_br_name(vif['id'])
|
|
return self.get_config_bridge(instance, newvif, image_meta,
|
|
inst_type, virt_type, host)
|
|
|
|
def get_config_ovs(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
if self.get_firewall_required(vif) or vif.is_hybrid_plug_enabled():
|
|
return self.get_config_ovs_hybrid(instance, vif,
|
|
image_meta,
|
|
inst_type,
|
|
virt_type,
|
|
host)
|
|
else:
|
|
return self.get_config_ovs_bridge(instance, vif,
|
|
image_meta,
|
|
inst_type,
|
|
virt_type,
|
|
host)
|
|
|
|
def get_config_ivs_hybrid(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
newvif = copy.deepcopy(vif)
|
|
newvif['network']['bridge'] = self.get_br_name(vif['id'])
|
|
return self.get_config_bridge(instance,
|
|
newvif,
|
|
image_meta,
|
|
inst_type,
|
|
virt_type,
|
|
host)
|
|
|
|
def get_config_ivs_ethernet(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
conf = self.get_base_config(instance,
|
|
vif,
|
|
image_meta,
|
|
inst_type,
|
|
virt_type)
|
|
|
|
dev = self.get_vif_devname(vif)
|
|
designer.set_vif_host_backend_ethernet_config(conf, dev)
|
|
|
|
return conf
|
|
|
|
def get_config_ivs(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
if self.get_firewall_required(vif) or vif.is_hybrid_plug_enabled():
|
|
return self.get_config_ivs_hybrid(instance, vif,
|
|
image_meta,
|
|
inst_type,
|
|
virt_type,
|
|
host)
|
|
else:
|
|
return self.get_config_ivs_ethernet(instance, vif,
|
|
image_meta,
|
|
inst_type,
|
|
virt_type,
|
|
host)
|
|
|
|
def get_config_802qbg(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
conf = self.get_base_config(instance, vif, image_meta,
|
|
inst_type, virt_type)
|
|
|
|
params = vif["qbg_params"]
|
|
designer.set_vif_host_backend_802qbg_config(
|
|
conf, vif['network'].get_meta('interface'),
|
|
params['managerid'],
|
|
params['typeid'],
|
|
params['typeidversion'],
|
|
params['instanceid'])
|
|
|
|
designer.set_vif_bandwidth_config(conf, inst_type)
|
|
|
|
return conf
|
|
|
|
def get_config_802qbh(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
conf = self.get_base_config(instance, vif, image_meta,
|
|
inst_type, virt_type)
|
|
|
|
profile = vif["profile"]
|
|
vif_details = vif["details"]
|
|
net_type = 'direct'
|
|
if vif['vnic_type'] == network_model.VNIC_TYPE_DIRECT:
|
|
net_type = 'hostdev'
|
|
|
|
designer.set_vif_host_backend_802qbh_config(
|
|
conf, net_type, profile['pci_slot'],
|
|
vif_details[network_model.VIF_DETAILS_PROFILEID])
|
|
|
|
designer.set_vif_bandwidth_config(conf, inst_type)
|
|
|
|
return conf
|
|
|
|
def get_config_hw_veb(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
conf = self.get_base_config(instance, vif, image_meta,
|
|
inst_type, virt_type)
|
|
|
|
profile = vif["profile"]
|
|
vif_details = vif["details"]
|
|
net_type = 'direct'
|
|
if vif['vnic_type'] == network_model.VNIC_TYPE_DIRECT:
|
|
net_type = 'hostdev'
|
|
|
|
designer.set_vif_host_backend_hw_veb(
|
|
conf, net_type, profile['pci_slot'],
|
|
vif_details[network_model.VIF_DETAILS_VLAN])
|
|
|
|
designer.set_vif_bandwidth_config(conf, inst_type)
|
|
|
|
return conf
|
|
|
|
def get_config_macvtap(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
conf = self.get_base_config(instance, vif, image_meta,
|
|
inst_type, virt_type)
|
|
|
|
vif_details = vif['details']
|
|
macvtap_src = vif_details.get(network_model.VIF_DETAILS_MACVTAP_SOURCE)
|
|
macvtap_mode = vif_details.get(network_model.VIF_DETAILS_MACVTAP_MODE)
|
|
phys_interface = vif_details.get(
|
|
network_model.VIF_DETAILS_PHYS_INTERFACE)
|
|
|
|
missing_params = []
|
|
if macvtap_src is None:
|
|
missing_params.append(network_model.VIF_DETAILS_MACVTAP_SOURCE)
|
|
if macvtap_mode is None:
|
|
missing_params.append(network_model.VIF_DETAILS_MACVTAP_MODE)
|
|
if phys_interface is None:
|
|
missing_params.append(network_model.VIF_DETAILS_PHYS_INTERFACE)
|
|
|
|
if len(missing_params) > 0:
|
|
raise exception.VifDetailsMissingMacvtapParameters(
|
|
vif_id=vif['id'],
|
|
missing_params=missing_params)
|
|
|
|
designer.set_vif_host_backend_direct_config(
|
|
conf, macvtap_src, macvtap_mode)
|
|
|
|
designer.set_vif_bandwidth_config(conf, inst_type)
|
|
|
|
return conf
|
|
|
|
def get_config_iovisor(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
conf = self.get_base_config(instance, vif, image_meta,
|
|
inst_type, virt_type)
|
|
|
|
dev = self.get_vif_devname(vif)
|
|
designer.set_vif_host_backend_ethernet_config(conf, dev)
|
|
|
|
designer.set_vif_bandwidth_config(conf, inst_type)
|
|
|
|
return conf
|
|
|
|
def get_config_midonet(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
conf = self.get_base_config(instance, vif, image_meta,
|
|
inst_type, virt_type)
|
|
|
|
dev = self.get_vif_devname(vif)
|
|
designer.set_vif_host_backend_ethernet_config(conf, dev)
|
|
|
|
return conf
|
|
|
|
def get_config_tap(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
conf = self.get_base_config(instance, vif, image_meta,
|
|
inst_type, virt_type)
|
|
|
|
dev = self.get_vif_devname(vif)
|
|
designer.set_vif_host_backend_ethernet_config(conf, dev)
|
|
|
|
return conf
|
|
|
|
def _get_vhostuser_settings(self, vif):
|
|
vif_details = vif['details']
|
|
mode = vif_details.get(network_model.VIF_DETAILS_VHOSTUSER_MODE,
|
|
'server')
|
|
sock_path = vif_details.get(network_model.VIF_DETAILS_VHOSTUSER_SOCKET)
|
|
if sock_path is None:
|
|
raise exception.VifDetailsMissingVhostuserSockPath(
|
|
vif_id=vif['id'])
|
|
return mode, sock_path
|
|
|
|
def get_config_vhostuser(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
conf = self.get_base_config(instance, vif, image_meta,
|
|
inst_type, virt_type)
|
|
mode, sock_path = self._get_vhostuser_settings(vif)
|
|
designer.set_vif_host_backend_vhostuser_config(conf, mode, sock_path)
|
|
# (vladikr) Not setting up driver and queues for vhostuser
|
|
# as queues are not supported in Libvirt until version 1.2.17
|
|
if not host.has_min_version(MIN_LIBVIRT_VHOSTUSER_MQ):
|
|
LOG.debug('Queues are not a vhostuser supported feature.')
|
|
conf.driver_name = None
|
|
conf.vhost_queues = None
|
|
|
|
return conf
|
|
|
|
def get_config_ib_hostdev(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
conf = vconfig.LibvirtConfigGuestHostdevPCI()
|
|
pci_slot = vif['profile']['pci_slot']
|
|
designer.set_vif_host_backend_ib_hostdev_config(conf, pci_slot)
|
|
return conf
|
|
|
|
def get_config_vrouter(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
conf = self.get_base_config(instance, vif, image_meta,
|
|
inst_type, virt_type)
|
|
dev = self.get_vif_devname(vif)
|
|
designer.set_vif_host_backend_ethernet_config(conf, dev)
|
|
|
|
designer.set_vif_bandwidth_config(conf, inst_type)
|
|
return conf
|
|
|
|
def get_config(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
vif_type = vif['type']
|
|
|
|
LOG.debug('vif_type=%(vif_type)s instance=%(instance)s '
|
|
'vif=%(vif)s virt_type%(virt_type)s',
|
|
{'vif_type': vif_type, 'instance': instance,
|
|
'vif': vif, 'virt_type': virt_type})
|
|
|
|
if vif_type is None:
|
|
raise exception.NovaException(
|
|
_("vif_type parameter must be present "
|
|
"for this vif_driver implementation"))
|
|
vif_slug = self._normalize_vif_type(vif_type)
|
|
func = getattr(self, 'get_config_%s' % vif_slug, None)
|
|
if not func:
|
|
raise exception.NovaException(
|
|
_("Unexpected vif_type=%s") % vif_type)
|
|
return func(instance, vif, image_meta,
|
|
inst_type, virt_type, host)
|
|
|
|
def plug_bridge(self, instance, vif):
|
|
"""Ensure that the bridge exists, and add VIF to it."""
|
|
network = vif['network']
|
|
if (not network.get_meta('multi_host', False) and
|
|
network.get_meta('should_create_bridge', False)):
|
|
if network.get_meta('should_create_vlan', False):
|
|
iface = CONF.vlan_interface or \
|
|
network.get_meta('bridge_interface')
|
|
LOG.debug('Ensuring vlan %(vlan)s and bridge %(bridge)s',
|
|
{'vlan': network.get_meta('vlan'),
|
|
'bridge': self.get_bridge_name(vif)},
|
|
instance=instance)
|
|
linux_net.LinuxBridgeInterfaceDriver.ensure_vlan_bridge(
|
|
network.get_meta('vlan'),
|
|
self.get_bridge_name(vif),
|
|
iface)
|
|
else:
|
|
iface = CONF.flat_interface or \
|
|
network.get_meta('bridge_interface')
|
|
LOG.debug("Ensuring bridge %s",
|
|
self.get_bridge_name(vif), instance=instance)
|
|
linux_net.LinuxBridgeInterfaceDriver.ensure_bridge(
|
|
self.get_bridge_name(vif),
|
|
iface)
|
|
|
|
def plug_ovs_bridge(self, instance, vif):
|
|
"""No manual plugging required."""
|
|
pass
|
|
|
|
def _plug_bridge_with_port(self, instance, vif, port):
|
|
iface_id = self.get_ovs_interfaceid(vif)
|
|
br_name = self.get_br_name(vif['id'])
|
|
v1_name, v2_name = self.get_veth_pair_names(vif['id'])
|
|
|
|
if not linux_net.device_exists(br_name):
|
|
utils.execute('brctl', 'addbr', br_name, run_as_root=True)
|
|
utils.execute('brctl', 'setfd', br_name, 0, run_as_root=True)
|
|
utils.execute('brctl', 'stp', br_name, 'off', run_as_root=True)
|
|
utils.execute('tee',
|
|
('/sys/class/net/%s/bridge/multicast_snooping' %
|
|
br_name),
|
|
process_input='0',
|
|
run_as_root=True,
|
|
check_exit_code=[0, 1])
|
|
disv6 = '/proc/sys/net/ipv6/conf/%s/disable_ipv6' % br_name
|
|
if os.path.exists(disv6):
|
|
utils.execute('tee',
|
|
disv6,
|
|
process_input='1',
|
|
run_as_root=True,
|
|
check_exit_code=[0, 1])
|
|
|
|
if not linux_net.device_exists(v2_name):
|
|
mtu = vif['network'].get_meta('mtu')
|
|
linux_net._create_veth_pair(v1_name, v2_name, mtu)
|
|
utils.execute('ip', 'link', 'set', br_name, 'up', run_as_root=True)
|
|
utils.execute('brctl', 'addif', br_name, v1_name, run_as_root=True)
|
|
if port == 'ovs':
|
|
linux_net.create_ovs_vif_port(self.get_bridge_name(vif),
|
|
v2_name, iface_id,
|
|
vif['address'], instance.uuid,
|
|
mtu)
|
|
elif port == 'ivs':
|
|
linux_net.create_ivs_vif_port(v2_name, iface_id,
|
|
vif['address'], instance.uuid)
|
|
|
|
def plug_ovs_hybrid(self, instance, vif):
|
|
"""Plug using hybrid strategy
|
|
|
|
Create a per-VIF linux bridge, then link that bridge to the OVS
|
|
integration bridge via a veth device, setting up the other end
|
|
of the veth device just like a normal OVS port. Then boot the
|
|
VIF on the linux bridge using standard libvirt mechanisms.
|
|
"""
|
|
self._plug_bridge_with_port(instance, vif, port='ovs')
|
|
|
|
def plug_ovs(self, instance, vif):
|
|
if self.get_firewall_required(vif) or vif.is_hybrid_plug_enabled():
|
|
self.plug_ovs_hybrid(instance, vif)
|
|
else:
|
|
self.plug_ovs_bridge(instance, vif)
|
|
|
|
def plug_ivs_ethernet(self, instance, vif):
|
|
iface_id = self.get_ovs_interfaceid(vif)
|
|
dev = self.get_vif_devname(vif)
|
|
linux_net.create_tap_dev(dev)
|
|
linux_net.create_ivs_vif_port(dev, iface_id, vif['address'],
|
|
instance.uuid)
|
|
|
|
def plug_ivs_hybrid(self, instance, vif):
|
|
"""Plug using hybrid strategy (same as OVS)
|
|
|
|
Create a per-VIF linux bridge, then link that bridge to the OVS
|
|
integration bridge via a veth device, setting up the other end
|
|
of the veth device just like a normal IVS port. Then boot the
|
|
VIF on the linux bridge using standard libvirt mechanisms.
|
|
"""
|
|
self._plug_bridge_with_port(instance, vif, port='ivs')
|
|
|
|
def plug_ivs(self, instance, vif):
|
|
if self.get_firewall_required(vif) or vif.is_hybrid_plug_enabled():
|
|
self.plug_ivs_hybrid(instance, vif)
|
|
else:
|
|
self.plug_ivs_ethernet(instance, vif)
|
|
|
|
def plug_ib_hostdev(self, instance, vif):
|
|
fabric = vif.get_physical_network()
|
|
if not fabric:
|
|
raise exception.NetworkMissingPhysicalNetwork(
|
|
network_uuid=vif['network']['id']
|
|
)
|
|
pci_slot = vif['profile']['pci_slot']
|
|
device_id = instance['uuid']
|
|
vnic_mac = vif['address']
|
|
try:
|
|
utils.execute('ebrctl', 'add-port', vnic_mac, device_id,
|
|
fabric, network_model.VIF_TYPE_IB_HOSTDEV,
|
|
pci_slot, run_as_root=True)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(
|
|
_LE("Failed while plugging ib hostdev vif"),
|
|
instance=instance
|
|
)
|
|
|
|
def plug_802qbg(self, instance, vif):
|
|
pass
|
|
|
|
def plug_802qbh(self, instance, vif):
|
|
pass
|
|
|
|
def plug_hw_veb(self, instance, vif):
|
|
if vif['vnic_type'] == network_model.VNIC_TYPE_MACVTAP:
|
|
linux_net.set_vf_interface_vlan(
|
|
vif['profile']['pci_slot'],
|
|
mac_addr=vif['address'],
|
|
vlan=vif['details'][network_model.VIF_DETAILS_VLAN])
|
|
|
|
def plug_macvtap(self, instance, vif):
|
|
vif_details = vif['details']
|
|
vlan = vif_details.get(network_model.VIF_DETAILS_VLAN)
|
|
if vlan:
|
|
vlan_name = vif_details.get(
|
|
network_model.VIF_DETAILS_MACVTAP_SOURCE)
|
|
phys_if = vif_details.get(network_model.VIF_DETAILS_PHYS_INTERFACE)
|
|
linux_net.LinuxBridgeInterfaceDriver.ensure_vlan(
|
|
vlan, phys_if, interface=vlan_name)
|
|
|
|
def plug_midonet(self, instance, vif):
|
|
"""Plug into MidoNet's network port
|
|
|
|
Bind the vif to a MidoNet virtual port.
|
|
"""
|
|
dev = self.get_vif_devname(vif)
|
|
port_id = vif['id']
|
|
try:
|
|
linux_net.create_tap_dev(dev)
|
|
utils.execute('mm-ctl', '--bind-port', port_id, dev,
|
|
run_as_root=True)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_LE("Failed while plugging vif"), instance=instance)
|
|
|
|
def plug_iovisor(self, instance, vif):
|
|
"""Plug using PLUMgrid IO Visor Driver
|
|
|
|
Connect a network device to their respective
|
|
Virtual Domain in PLUMgrid Platform.
|
|
"""
|
|
dev = self.get_vif_devname(vif)
|
|
iface_id = vif['id']
|
|
linux_net.create_tap_dev(dev)
|
|
net_id = vif['network']['id']
|
|
tenant_id = instance.project_id
|
|
try:
|
|
utils.execute('ifc_ctl', 'gateway', 'add_port', dev,
|
|
run_as_root=True)
|
|
utils.execute('ifc_ctl', 'gateway', 'ifup', dev,
|
|
'access_vm',
|
|
vif['network']['label'] + "_" + iface_id,
|
|
vif['address'], 'pgtag2=%s' % net_id,
|
|
'pgtag1=%s' % tenant_id, run_as_root=True)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_LE("Failed while plugging vif"), instance=instance)
|
|
|
|
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_vhostuser_fp(self, instance, vif):
|
|
"""Create a fp netdevice interface with a vhostuser socket"""
|
|
dev = self.get_vif_devname(vif)
|
|
if linux_net.device_exists(dev):
|
|
return
|
|
|
|
ovs_plug = vif['details'].get(
|
|
network_model.VIF_DETAILS_VHOSTUSER_OVS_PLUG,
|
|
False)
|
|
sockmode_qemu, sockpath = self._get_vhostuser_settings(vif)
|
|
sockmode_port = 'client' if sockmode_qemu == 'server' else 'server'
|
|
|
|
try:
|
|
linux_net.create_fp_dev(dev, sockpath, sockmode_port)
|
|
|
|
if ovs_plug:
|
|
if vif.is_hybrid_plug_enabled():
|
|
self.plug_ovs_hybrid(instance, vif)
|
|
utils.execute('brctl', 'addif',
|
|
self.get_br_name(vif['id']),
|
|
dev, run_as_root=True)
|
|
else:
|
|
iface_id = self.get_ovs_interfaceid(vif)
|
|
mtu = vif['network'].get_meta('mtu')
|
|
linux_net.create_ovs_vif_port(self.get_bridge_name(vif),
|
|
dev, iface_id,
|
|
vif['address'],
|
|
instance.uuid, mtu)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_LE("Failed while plugging vif"), instance=instance)
|
|
|
|
def plug_vhostuser_ovs(self, instance, vif):
|
|
"""Plug a VIF_TYPE_VHOSTUSER into an ovs bridge"""
|
|
iface_id = self.get_ovs_interfaceid(vif)
|
|
port_name = os.path.basename(
|
|
vif['details'][network_model.VIF_DETAILS_VHOSTUSER_SOCKET])
|
|
mtu = vif['network'].get_meta('mtu')
|
|
linux_net.create_ovs_vif_port(
|
|
self.get_bridge_name(vif),
|
|
port_name, iface_id, vif['address'],
|
|
instance.uuid, mtu,
|
|
interface_type=network_model.OVS_VHOSTUSER_INTERFACE_TYPE)
|
|
|
|
def plug_vhostuser(self, instance, vif):
|
|
fp_plug = vif['details'].get(
|
|
network_model.VIF_DETAILS_VHOSTUSER_FP_PLUG,
|
|
False)
|
|
ovs_plug = vif['details'].get(
|
|
network_model.VIF_DETAILS_VHOSTUSER_OVS_PLUG,
|
|
False)
|
|
if fp_plug:
|
|
self.plug_vhostuser_fp(instance, vif)
|
|
elif ovs_plug:
|
|
self.plug_vhostuser_ovs(instance, vif)
|
|
|
|
def plug_vrouter(self, instance, vif):
|
|
"""Plug into Contrail's network port
|
|
|
|
Bind the vif to a Contrail virtual port.
|
|
"""
|
|
dev = self.get_vif_devname(vif)
|
|
ip_addr = '0.0.0.0'
|
|
ip6_addr = None
|
|
subnets = vif['network']['subnets']
|
|
for subnet in subnets:
|
|
if not subnet['ips']:
|
|
continue
|
|
ips = subnet['ips'][0]
|
|
if not ips['address']:
|
|
continue
|
|
if (ips['version'] == 4):
|
|
if ips['address'] is not None:
|
|
ip_addr = ips['address']
|
|
if (ips['version'] == 6):
|
|
if ips['address'] is not None:
|
|
ip6_addr = ips['address']
|
|
|
|
ptype = 'NovaVMPort'
|
|
if (cfg.CONF.libvirt.virt_type == 'lxc'):
|
|
ptype = 'NameSpacePort'
|
|
|
|
cmd_args = ("--oper=add --uuid=%s --instance_uuid=%s --vn_uuid=%s "
|
|
"--vm_project_uuid=%s --ip_address=%s --ipv6_address=%s"
|
|
" --vm_name=%s --mac=%s --tap_name=%s --port_type=%s "
|
|
"--tx_vlan_id=%d --rx_vlan_id=%d" % (vif['id'],
|
|
instance.uuid, vif['network']['id'],
|
|
instance.project_id, ip_addr, ip6_addr,
|
|
instance.display_name, vif['address'],
|
|
vif['devname'], ptype, -1, -1))
|
|
try:
|
|
linux_net.create_tap_dev(dev)
|
|
utils.execute('vrouter-port-control', cmd_args, run_as_root=True)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_LE("Failed while plugging vif"), instance=instance)
|
|
|
|
def plug(self, instance, vif):
|
|
vif_type = vif['type']
|
|
|
|
LOG.debug('vif_type=%(vif_type)s instance=%(instance)s '
|
|
'vif=%(vif)s',
|
|
{'vif_type': vif_type, 'instance': instance,
|
|
'vif': vif})
|
|
|
|
if vif_type is None:
|
|
raise exception.VirtualInterfacePlugException(
|
|
_("vif_type parameter must be present "
|
|
"for this vif_driver implementation"))
|
|
vif_slug = self._normalize_vif_type(vif_type)
|
|
func = getattr(self, 'plug_%s' % vif_slug, None)
|
|
if not func:
|
|
raise exception.VirtualInterfacePlugException(
|
|
_("Plug vif failed because of unexpected "
|
|
"vif_type=%s") % vif_type)
|
|
func(instance, vif)
|
|
|
|
def unplug_bridge(self, instance, vif):
|
|
"""No manual unplugging required."""
|
|
pass
|
|
|
|
def unplug_ovs_bridge(self, instance, vif):
|
|
"""No manual unplugging required."""
|
|
pass
|
|
|
|
def unplug_ovs_hybrid(self, instance, vif):
|
|
"""UnPlug using hybrid strategy
|
|
|
|
Unhook port from OVS, unhook port from bridge, delete
|
|
bridge, and delete both veth devices.
|
|
"""
|
|
try:
|
|
br_name = self.get_br_name(vif['id'])
|
|
v1_name, v2_name = self.get_veth_pair_names(vif['id'])
|
|
|
|
if linux_net.device_exists(br_name):
|
|
utils.execute('brctl', 'delif', br_name, v1_name,
|
|
run_as_root=True)
|
|
utils.execute('ip', 'link', 'set', br_name, 'down',
|
|
run_as_root=True)
|
|
utils.execute('brctl', 'delbr', br_name,
|
|
run_as_root=True)
|
|
|
|
linux_net.delete_ovs_vif_port(self.get_bridge_name(vif),
|
|
v2_name)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_LE("Failed while unplugging vif"),
|
|
instance=instance)
|
|
|
|
def unplug_ovs(self, instance, vif):
|
|
if self.get_firewall_required(vif) or vif.is_hybrid_plug_enabled():
|
|
self.unplug_ovs_hybrid(instance, vif)
|
|
else:
|
|
self.unplug_ovs_bridge(instance, vif)
|
|
|
|
def unplug_ivs_ethernet(self, instance, vif):
|
|
"""Unplug the VIF by deleting the port from the bridge."""
|
|
try:
|
|
linux_net.delete_ivs_vif_port(self.get_vif_devname(vif))
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_LE("Failed while unplugging vif"),
|
|
instance=instance)
|
|
|
|
def unplug_ivs_hybrid(self, instance, vif):
|
|
"""UnPlug using hybrid strategy (same as OVS)
|
|
|
|
Unhook port from IVS, unhook port from bridge, delete
|
|
bridge, and delete both veth devices.
|
|
"""
|
|
try:
|
|
br_name = self.get_br_name(vif['id'])
|
|
v1_name, v2_name = self.get_veth_pair_names(vif['id'])
|
|
|
|
utils.execute('brctl', 'delif', br_name, v1_name, run_as_root=True)
|
|
utils.execute('ip', 'link', 'set', br_name, 'down',
|
|
run_as_root=True)
|
|
utils.execute('brctl', 'delbr', br_name, run_as_root=True)
|
|
linux_net.delete_ivs_vif_port(v2_name)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_LE("Failed while unplugging vif"),
|
|
instance=instance)
|
|
|
|
def unplug_ivs(self, instance, vif):
|
|
if self.get_firewall_required(vif) or vif.is_hybrid_plug_enabled():
|
|
self.unplug_ivs_hybrid(instance, vif)
|
|
else:
|
|
self.unplug_ivs_ethernet(instance, vif)
|
|
|
|
def unplug_ib_hostdev(self, instance, vif):
|
|
fabric = vif.get_physical_network()
|
|
if not fabric:
|
|
raise exception.NetworkMissingPhysicalNetwork(
|
|
network_uuid=vif['network']['id']
|
|
)
|
|
vnic_mac = vif['address']
|
|
try:
|
|
utils.execute('ebrctl', 'del-port', fabric, vnic_mac,
|
|
run_as_root=True)
|
|
except Exception:
|
|
LOG.exception(_LE("Failed while unplugging ib hostdev vif"))
|
|
|
|
def unplug_802qbg(self, instance, vif):
|
|
pass
|
|
|
|
def unplug_802qbh(self, instance, vif):
|
|
pass
|
|
|
|
def unplug_hw_veb(self, instance, vif):
|
|
if vif['vnic_type'] == network_model.VNIC_TYPE_MACVTAP:
|
|
# The ip utility doesn't accept the MAC 00:00:00:00:00:00.
|
|
# Therefore, keep the MAC unchanged. Later operations on
|
|
# the same VF will not be affected by the existing MAC.
|
|
linux_net.set_vf_interface_vlan(vif['profile']['pci_slot'],
|
|
mac_addr=vif['address'])
|
|
|
|
def unplug_macvtap(self, instance, vif):
|
|
pass
|
|
|
|
def unplug_midonet(self, instance, vif):
|
|
"""Unplug from MidoNet network port
|
|
|
|
Unbind the vif from a MidoNet virtual port.
|
|
"""
|
|
dev = self.get_vif_devname(vif)
|
|
port_id = vif['id']
|
|
try:
|
|
utils.execute('mm-ctl', '--unbind-port', port_id,
|
|
run_as_root=True)
|
|
linux_net.delete_net_dev(dev)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_LE("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.delete_net_dev(dev)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_LE("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.
|
|
"""
|
|
iface_id = vif['id']
|
|
dev = self.get_vif_devname(vif)
|
|
try:
|
|
utils.execute('ifc_ctl', 'gateway', 'ifdown',
|
|
dev, 'access_vm',
|
|
vif['network']['label'] + "_" + iface_id,
|
|
vif['address'], run_as_root=True)
|
|
utils.execute('ifc_ctl', 'gateway', 'del_port', dev,
|
|
run_as_root=True)
|
|
linux_net.delete_net_dev(dev)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_LE("Failed while unplugging vif"),
|
|
instance=instance)
|
|
|
|
def unplug_vhostuser_fp(self, instance, vif):
|
|
"""Delete a fp netdevice interface with a vhostuser socket"""
|
|
dev = self.get_vif_devname(vif)
|
|
ovs_plug = vif['details'].get(
|
|
network_model.VIF_DETAILS_VHOSTUSER_OVS_PLUG,
|
|
False)
|
|
|
|
try:
|
|
if ovs_plug:
|
|
if vif.is_hybrid_plug_enabled():
|
|
self.unplug_ovs_hybrid(instance, vif)
|
|
else:
|
|
linux_net.delete_ovs_vif_port(self.get_bridge_name(vif),
|
|
dev, False)
|
|
linux_net.delete_fp_dev(dev)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_LE("Failed while unplugging vif"),
|
|
instance=instance)
|
|
|
|
def unplug_vhostuser_ovs(self, instance, vif):
|
|
"""Unplug a VIF_TYPE_VHOSTUSER into an ovs bridge"""
|
|
port_name = os.path.basename(
|
|
vif['details'][network_model.VIF_DETAILS_VHOSTUSER_SOCKET])
|
|
linux_net.delete_ovs_vif_port(self.get_bridge_name(vif),
|
|
port_name)
|
|
|
|
def unplug_vhostuser(self, instance, vif):
|
|
fp_plug = vif['details'].get(
|
|
network_model.VIF_DETAILS_VHOSTUSER_FP_PLUG,
|
|
False)
|
|
ovs_plug = vif['details'].get(
|
|
network_model.VIF_DETAILS_VHOSTUSER_OVS_PLUG,
|
|
False)
|
|
if fp_plug:
|
|
self.unplug_vhostuser_fp(instance, vif)
|
|
elif ovs_plug:
|
|
self.unplug_vhostuser_ovs(instance, 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)
|
|
cmd_args = ("--oper=delete --uuid=%s" % (vif['id']))
|
|
try:
|
|
utils.execute('vrouter-port-control', cmd_args, run_as_root=True)
|
|
linux_net.delete_net_dev(dev)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(
|
|
_LE("Failed while unplugging vif"), instance=instance)
|
|
|
|
def unplug(self, instance, vif):
|
|
vif_type = vif['type']
|
|
|
|
LOG.debug('vif_type=%(vif_type)s instance=%(instance)s '
|
|
'vif=%(vif)s',
|
|
{'vif_type': vif_type, 'instance': instance,
|
|
'vif': vif})
|
|
|
|
if vif_type is None:
|
|
raise exception.NovaException(
|
|
_("vif_type parameter must be present "
|
|
"for this vif_driver implementation"))
|
|
vif_slug = self._normalize_vif_type(vif_type)
|
|
func = getattr(self, 'unplug_%s' % vif_slug, None)
|
|
if not func:
|
|
raise exception.NovaException(
|
|
_("Unexpected vif_type=%s") % vif_type)
|
|
func(instance, vif)
|