0f263d767a
Define constants for the common VIF model types. This will ensure that all of the drivers will make use of the same values. Change-Id: I2099bbe92906ac0b1b54f1819113b33565e78980
845 lines
33 KiB
Python
845 lines
33 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
|
|
|
|
from oslo.config import cfg
|
|
|
|
from nova import exception
|
|
from nova.network import linux_net
|
|
from nova.network import model as network_model
|
|
from nova.openstack.common.gettextutils import _
|
|
from nova.openstack.common import log as logging
|
|
from nova.openstack.common import processutils
|
|
from nova import utils
|
|
from nova.virt.libvirt import config as vconfig
|
|
from nova.virt.libvirt import designer
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
libvirt_vif_opts = [
|
|
cfg.BoolOpt('use_virtio_for_bridges',
|
|
default=True,
|
|
help='Use virtio for bridge interfaces with KVM/QEMU',
|
|
deprecated_group='DEFAULT',
|
|
deprecated_name='libvirt_use_virtio_for_bridges'),
|
|
]
|
|
|
|
CONF = cfg.CONF
|
|
CONF.register_opts(libvirt_vif_opts, 'libvirt')
|
|
CONF.import_opt('virt_type', 'nova.virt.libvirt.driver', group='libvirt')
|
|
CONF.import_opt('use_ipv6', 'nova.netconf')
|
|
|
|
# Since libvirt 0.9.11, <interface type='bridge'>
|
|
# supports OpenVSwitch natively.
|
|
LIBVIRT_OVS_VPORT_VERSION = 9011
|
|
DEV_PREFIX_ETH = 'eth'
|
|
|
|
|
|
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],
|
|
'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],
|
|
'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 LibvirtBaseVIFDriver(object):
|
|
|
|
def __init__(self, get_connection):
|
|
self.get_connection = get_connection
|
|
self.libvirt_version = None
|
|
|
|
def has_libvirt_version(self, want):
|
|
if self.libvirt_version is None:
|
|
conn = self.get_connection()
|
|
self.libvirt_version = conn.getLibVersion()
|
|
|
|
if self.libvirt_version >= want:
|
|
return True
|
|
return False
|
|
|
|
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_config(self, instance, vif, image_meta, inst_type):
|
|
conf = vconfig.LibvirtConfigGuestInterface()
|
|
# Default to letting libvirt / the hypervisor choose the model
|
|
model = None
|
|
driver = None
|
|
|
|
# If the user has specified a 'vif_model' against the
|
|
# image then honour that model
|
|
if image_meta:
|
|
vif_model = image_meta.get('properties',
|
|
{}).get('hw_vif_model')
|
|
if vif_model is not None:
|
|
model = vif_model
|
|
|
|
# Else if the virt type is KVM/QEMU, use virtio according
|
|
# to the global config parameter
|
|
if (model is None and
|
|
CONF.libvirt.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
|
|
CONF.libvirt.virt_type == "qemu"):
|
|
driver = "qemu"
|
|
|
|
if not is_vif_model_valid_for_virt(CONF.libvirt.virt_type,
|
|
model):
|
|
raise exception.UnsupportedHardware(model=model,
|
|
virt=CONF.libvirt.virt_type)
|
|
|
|
designer.set_vif_guest_frontend_config(
|
|
conf, vif['address'], model, driver)
|
|
|
|
return conf
|
|
|
|
def plug(self, instance, vif):
|
|
pass
|
|
|
|
def unplug(self, instance, vif):
|
|
pass
|
|
|
|
|
|
class LibvirtGenericVIFDriver(LibvirtBaseVIFDriver):
|
|
"""Generic VIF driver for libvirt networking."""
|
|
|
|
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):
|
|
"""Get VIF configurations for bridge type."""
|
|
conf = super(LibvirtGenericVIFDriver,
|
|
self).get_config(instance, vif,
|
|
image_meta, inst_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_ethernet(self, instance, vif,
|
|
image_meta, inst_type):
|
|
conf = super(LibvirtGenericVIFDriver,
|
|
self).get_config(instance, vif,
|
|
image_meta, inst_type)
|
|
|
|
dev = self.get_vif_devname(vif)
|
|
designer.set_vif_host_backend_ethernet_config(conf, dev)
|
|
|
|
return conf
|
|
|
|
def get_config_ovs_bridge(self, instance, vif, image_meta,
|
|
inst_type):
|
|
conf = super(LibvirtGenericVIFDriver,
|
|
self).get_config(instance, vif,
|
|
image_meta, inst_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):
|
|
newvif = copy.deepcopy(vif)
|
|
newvif['network']['bridge'] = self.get_br_name(vif['id'])
|
|
return self.get_config_bridge(instance, newvif,
|
|
image_meta, inst_type)
|
|
|
|
def get_config_ovs(self, instance, vif, image_meta, inst_type):
|
|
if self.get_firewall_required(vif) or vif.is_hybrid_plug_enabled():
|
|
return self.get_config_ovs_hybrid(instance, vif,
|
|
image_meta,
|
|
inst_type)
|
|
elif self.has_libvirt_version(LIBVIRT_OVS_VPORT_VERSION):
|
|
return self.get_config_ovs_bridge(instance, vif,
|
|
image_meta,
|
|
inst_type)
|
|
else:
|
|
return self.get_config_ovs_ethernet(instance, vif,
|
|
image_meta,
|
|
inst_type)
|
|
|
|
def get_config_ivs_hybrid(self, instance, vif, image_meta,
|
|
inst_type):
|
|
newvif = copy.deepcopy(vif)
|
|
newvif['network']['bridge'] = self.get_br_name(vif['id'])
|
|
return self.get_config_bridge(instance,
|
|
newvif,
|
|
image_meta,
|
|
inst_type)
|
|
|
|
def get_config_ivs_ethernet(self, instance, vif, image_meta,
|
|
inst_type):
|
|
conf = super(LibvirtGenericVIFDriver,
|
|
self).get_config(instance,
|
|
vif,
|
|
image_meta,
|
|
inst_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):
|
|
if self.get_firewall_required(vif) or vif.is_hybrid_plug_enabled():
|
|
return self.get_config_ivs_hybrid(instance, vif,
|
|
image_meta,
|
|
inst_type)
|
|
else:
|
|
return self.get_config_ivs_ethernet(instance, vif,
|
|
image_meta,
|
|
inst_type)
|
|
|
|
def get_config_802qbg(self, instance, vif, image_meta,
|
|
inst_type):
|
|
conf = super(LibvirtGenericVIFDriver,
|
|
self).get_config(instance, vif,
|
|
image_meta, inst_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):
|
|
conf = super(LibvirtGenericVIFDriver,
|
|
self).get_config(instance, vif,
|
|
image_meta, inst_type)
|
|
|
|
params = vif["qbh_params"]
|
|
designer.set_vif_host_backend_802qbh_config(
|
|
conf, vif['network'].get_meta('interface'),
|
|
params['profileid'])
|
|
|
|
designer.set_vif_bandwidth_config(conf, inst_type)
|
|
|
|
return conf
|
|
|
|
def get_config_iovisor(self, instance, vif, image_meta,
|
|
inst_type):
|
|
conf = super(LibvirtGenericVIFDriver,
|
|
self).get_config(instance, vif,
|
|
image_meta, inst_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):
|
|
conf = super(LibvirtGenericVIFDriver,
|
|
self).get_config(instance, vif,
|
|
image_meta, inst_type)
|
|
|
|
dev = self.get_vif_devname(vif)
|
|
designer.set_vif_host_backend_ethernet_config(conf, dev)
|
|
|
|
return conf
|
|
|
|
def get_config_mlnx_direct(self, instance, vif, image_meta,
|
|
inst_type):
|
|
conf = super(LibvirtGenericVIFDriver,
|
|
self).get_config(instance, vif,
|
|
image_meta, inst_type)
|
|
|
|
devname = self.get_vif_devname_with_prefix(vif, DEV_PREFIX_ETH)
|
|
designer.set_vif_host_backend_direct_config(conf, devname)
|
|
|
|
designer.set_vif_bandwidth_config(conf, inst_type)
|
|
|
|
return conf
|
|
|
|
def get_config(self, instance, vif, image_meta, inst_type):
|
|
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"))
|
|
elif vif_type == network_model.VIF_TYPE_BRIDGE:
|
|
return self.get_config_bridge(instance,
|
|
vif,
|
|
image_meta,
|
|
inst_type)
|
|
elif vif_type == network_model.VIF_TYPE_OVS:
|
|
return self.get_config_ovs(instance,
|
|
vif,
|
|
image_meta,
|
|
inst_type)
|
|
elif vif_type == network_model.VIF_TYPE_802_QBG:
|
|
return self.get_config_802qbg(instance,
|
|
vif,
|
|
image_meta,
|
|
inst_type)
|
|
elif vif_type == network_model.VIF_TYPE_802_QBH:
|
|
return self.get_config_802qbh(instance,
|
|
vif,
|
|
image_meta,
|
|
inst_type)
|
|
elif vif_type == network_model.VIF_TYPE_IVS:
|
|
return self.get_config_ivs(instance,
|
|
vif,
|
|
image_meta,
|
|
inst_type)
|
|
elif vif_type == network_model.VIF_TYPE_IOVISOR:
|
|
return self.get_config_iovisor(instance,
|
|
vif,
|
|
image_meta,
|
|
inst_type)
|
|
elif vif_type == network_model.VIF_TYPE_MLNX_DIRECT:
|
|
return self.get_config_mlnx_direct(instance,
|
|
vif,
|
|
image_meta,
|
|
inst_type)
|
|
elif vif_type == network_model.VIF_TYPE_MIDONET:
|
|
return self.get_config_midonet(instance,
|
|
vif,
|
|
image_meta,
|
|
inst_type)
|
|
else:
|
|
raise exception.NovaException(
|
|
_("Unexpected vif_type=%s") % vif_type)
|
|
|
|
def plug_bridge(self, instance, vif):
|
|
"""Ensure that the bridge exists, and add VIF to it."""
|
|
super(LibvirtGenericVIFDriver,
|
|
self).plug(instance, vif)
|
|
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_ethernet(self, instance, vif):
|
|
super(LibvirtGenericVIFDriver,
|
|
self).plug(instance, vif)
|
|
|
|
network = vif['network']
|
|
iface_id = self.get_ovs_interfaceid(vif)
|
|
dev = self.get_vif_devname(vif)
|
|
linux_net.create_tap_dev(dev)
|
|
linux_net.create_ovs_vif_port(self.get_bridge_name(vif),
|
|
dev, iface_id, vif['address'],
|
|
instance['uuid'])
|
|
|
|
def plug_ovs_bridge(self, instance, vif):
|
|
"""No manual plugging required."""
|
|
super(LibvirtGenericVIFDriver,
|
|
self).plug(instance, vif)
|
|
|
|
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.
|
|
"""
|
|
super(LibvirtGenericVIFDriver,
|
|
self).plug(instance, vif)
|
|
|
|
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])
|
|
|
|
if not linux_net.device_exists(v2_name):
|
|
linux_net._create_veth_pair(v1_name, v2_name)
|
|
utils.execute('ip', 'link', 'set', br_name, 'up', run_as_root=True)
|
|
utils.execute('brctl', 'addif', br_name, v1_name, run_as_root=True)
|
|
linux_net.create_ovs_vif_port(self.get_bridge_name(vif),
|
|
v2_name, iface_id, vif['address'],
|
|
instance['uuid'])
|
|
|
|
def plug_ovs(self, instance, vif):
|
|
if self.get_firewall_required(vif) or vif.is_hybrid_plug_enabled():
|
|
self.plug_ovs_hybrid(instance, vif)
|
|
elif self.has_libvirt_version(LIBVIRT_OVS_VPORT_VERSION):
|
|
self.plug_ovs_bridge(instance, vif)
|
|
else:
|
|
self.plug_ovs_ethernet(instance, vif)
|
|
|
|
def plug_ivs_ethernet(self, instance, vif):
|
|
super(LibvirtGenericVIFDriver,
|
|
self).plug(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.
|
|
"""
|
|
super(LibvirtGenericVIFDriver,
|
|
self).plug(instance, vif)
|
|
|
|
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])
|
|
|
|
if not linux_net.device_exists(v2_name):
|
|
linux_net._create_veth_pair(v1_name, v2_name)
|
|
utils.execute('ip', 'link', 'set', br_name, 'up', run_as_root=True)
|
|
utils.execute('brctl', 'addif', br_name, v1_name, run_as_root=True)
|
|
linux_net.create_ivs_vif_port(v2_name, iface_id, vif['address'],
|
|
instance['uuid'])
|
|
|
|
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_mlnx_direct(self, instance, vif):
|
|
super(LibvirtGenericVIFDriver,
|
|
self).plug(instance, vif)
|
|
|
|
network = vif['network']
|
|
vnic_mac = vif['address']
|
|
device_id = instance['uuid']
|
|
fabric = network['meta']['physical_network']
|
|
|
|
dev_name = self.get_vif_devname_with_prefix(vif, DEV_PREFIX_ETH)
|
|
try:
|
|
utils.execute('ebrctl', 'add-port', vnic_mac, device_id, fabric,
|
|
network_model.VIF_TYPE_MLNX_DIRECT, dev_name,
|
|
run_as_root=True)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_("Failed while plugging vif"), instance=instance)
|
|
|
|
def plug_802qbg(self, instance, vif):
|
|
super(LibvirtGenericVIFDriver,
|
|
self).plug(instance, vif)
|
|
|
|
def plug_802qbh(self, instance, vif):
|
|
super(LibvirtGenericVIFDriver,
|
|
self).plug(instance, vif)
|
|
|
|
def plug_midonet(self, instance, vif):
|
|
"""Plug into MidoNet's network port
|
|
|
|
Bind the vif to a MidoNet virtual port.
|
|
"""
|
|
super(LibvirtGenericVIFDriver,
|
|
self).plug(instance, vif)
|
|
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(_("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.
|
|
"""
|
|
super(LibvirtGenericVIFDriver,
|
|
self).plug(instance, vif)
|
|
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(_("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.NovaException(
|
|
_("vif_type parameter must be present "
|
|
"for this vif_driver implementation"))
|
|
elif vif_type == network_model.VIF_TYPE_BRIDGE:
|
|
self.plug_bridge(instance, vif)
|
|
elif vif_type == network_model.VIF_TYPE_OVS:
|
|
self.plug_ovs(instance, vif)
|
|
elif vif_type == network_model.VIF_TYPE_802_QBG:
|
|
self.plug_802qbg(instance, vif)
|
|
elif vif_type == network_model.VIF_TYPE_802_QBH:
|
|
self.plug_802qbh(instance, vif)
|
|
elif vif_type == network_model.VIF_TYPE_IVS:
|
|
self.plug_ivs(instance, vif)
|
|
elif vif_type == network_model.VIF_TYPE_IOVISOR:
|
|
self.plug_iovisor(instance, vif)
|
|
elif vif_type == network_model.VIF_TYPE_MLNX_DIRECT:
|
|
self.plug_mlnx_direct(instance, vif)
|
|
elif vif_type == network_model.VIF_TYPE_MIDONET:
|
|
self.plug_midonet(instance, vif)
|
|
else:
|
|
raise exception.NovaException(
|
|
_("Unexpected vif_type=%s") % vif_type)
|
|
|
|
def unplug_bridge(self, instance, vif):
|
|
"""No manual unplugging required."""
|
|
super(LibvirtGenericVIFDriver,
|
|
self).unplug(instance, vif)
|
|
|
|
def unplug_ovs_ethernet(self, instance, vif):
|
|
"""Unplug the VIF by deleting the port from the bridge."""
|
|
super(LibvirtGenericVIFDriver,
|
|
self).unplug(instance, vif)
|
|
|
|
try:
|
|
linux_net.delete_ovs_vif_port(self.get_bridge_name(vif),
|
|
self.get_vif_devname(vif))
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_("Failed while unplugging vif"), instance=instance)
|
|
|
|
def unplug_ovs_bridge(self, instance, vif):
|
|
"""No manual unplugging required."""
|
|
super(LibvirtGenericVIFDriver,
|
|
self).unplug(instance, vif)
|
|
|
|
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.
|
|
"""
|
|
super(LibvirtGenericVIFDriver,
|
|
self).unplug(instance, vif)
|
|
|
|
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(_("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)
|
|
elif self.has_libvirt_version(LIBVIRT_OVS_VPORT_VERSION):
|
|
self.unplug_ovs_bridge(instance, vif)
|
|
else:
|
|
self.unplug_ovs_ethernet(instance, vif)
|
|
|
|
def unplug_ivs_ethernet(self, instance, vif):
|
|
"""Unplug the VIF by deleting the port from the bridge."""
|
|
super(LibvirtGenericVIFDriver,
|
|
self).unplug(instance, vif)
|
|
|
|
try:
|
|
linux_net.delete_ivs_vif_port(self.get_vif_devname(vif))
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_("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.
|
|
"""
|
|
super(LibvirtGenericVIFDriver,
|
|
self).unplug(instance, vif)
|
|
|
|
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(_("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_mlnx_direct(self, instance, vif):
|
|
super(LibvirtGenericVIFDriver,
|
|
self).unplug(instance, vif)
|
|
|
|
network = vif['network']
|
|
vnic_mac = vif['address']
|
|
fabric = network['meta']['physical_network']
|
|
try:
|
|
utils.execute('ebrctl', 'del-port', fabric,
|
|
vnic_mac, run_as_root=True)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_("Failed while unplugging vif"), instance=instance)
|
|
|
|
def unplug_802qbg(self, instance, vif):
|
|
super(LibvirtGenericVIFDriver,
|
|
self).unplug(instance, vif)
|
|
|
|
def unplug_802qbh(self, instance, vif):
|
|
super(LibvirtGenericVIFDriver,
|
|
self).unplug(instance, vif)
|
|
|
|
def unplug_midonet(self, instance, vif):
|
|
"""Unplug from MidoNet network port
|
|
|
|
Unbind the vif from a MidoNet virtual port.
|
|
"""
|
|
super(LibvirtGenericVIFDriver,
|
|
self).unplug(instance, vif)
|
|
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(_("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.
|
|
"""
|
|
super(LibvirtGenericVIFDriver,
|
|
self).unplug(instance, vif)
|
|
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(_("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"))
|
|
elif vif_type == network_model.VIF_TYPE_BRIDGE:
|
|
self.unplug_bridge(instance, vif)
|
|
elif vif_type == network_model.VIF_TYPE_OVS:
|
|
self.unplug_ovs(instance, vif)
|
|
elif vif_type == network_model.VIF_TYPE_802_QBG:
|
|
self.unplug_802qbg(instance, vif)
|
|
elif vif_type == network_model.VIF_TYPE_802_QBH:
|
|
self.unplug_802qbh(instance, vif)
|
|
elif vif_type == network_model.VIF_TYPE_IVS:
|
|
self.unplug_ivs(instance, vif)
|
|
elif vif_type == network_model.VIF_TYPE_IOVISOR:
|
|
self.unplug_iovisor(instance, vif)
|
|
elif vif_type == network_model.VIF_TYPE_MLNX_DIRECT:
|
|
self.unplug_mlnx_direct(instance, vif)
|
|
elif vif_type == network_model.VIF_TYPE_MIDONET:
|
|
self.unplug_midonet(instance, vif)
|
|
else:
|
|
raise exception.NovaException(
|
|
_("Unexpected vif_type=%s") % vif_type)
|
|
|
|
# The following classes were removed in the transition from Havana to
|
|
# Icehouse, but may still be referenced in configuration files. The
|
|
# following stubs allow those configurations to work while logging a
|
|
# deprecation warning.
|
|
|
|
|
|
class _LibvirtDeprecatedDriver(LibvirtGenericVIFDriver):
|
|
def __init__(self, *args, **kwargs):
|
|
LOG.warn('VIF driver \"%s\" is marked as deprecated and will be '
|
|
'removed in the Juno release.',
|
|
self.__class__.__name__)
|
|
super(_LibvirtDeprecatedDriver, self).__init__(*args, **kwargs)
|
|
|
|
|
|
class LibvirtBridgeDriver(_LibvirtDeprecatedDriver):
|
|
pass
|
|
|
|
|
|
class LibvirtOpenVswitchDriver(_LibvirtDeprecatedDriver):
|
|
pass
|
|
|
|
|
|
class LibvirtHybridOVSBridgeDriver(_LibvirtDeprecatedDriver):
|
|
pass
|
|
|
|
|
|
class LibvirtOpenVswitchVirtualPortDriver(_LibvirtDeprecatedDriver):
|
|
pass
|
|
|
|
|
|
class NeutronLinuxBridgeVIFDriver(_LibvirtDeprecatedDriver):
|
|
pass
|