790 lines
31 KiB
Python
790 lines
31 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (C) 2011 Midokura KK
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# Copyright (C) 2011 Nicira, Inc
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# Copyright 2011 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""VIF drivers for libvirt."""
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import copy
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from oslo.config import cfg
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from nova import exception
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from nova.network import linux_net
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from nova.network import model as network_model
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from nova.openstack.common.gettextutils import _
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from nova.openstack.common import log as logging
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from nova.openstack.common import processutils
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from nova import utils
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from nova.virt.libvirt import config as vconfig
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from nova.virt.libvirt import designer
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LOG = logging.getLogger(__name__)
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libvirt_vif_opts = [
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cfg.BoolOpt('use_virtio_for_bridges',
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default=True,
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help='Use virtio for bridge interfaces with KVM/QEMU',
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deprecated_group='DEFAULT',
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deprecated_name='libvirt_use_virtio_for_bridges'),
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]
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CONF = cfg.CONF
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CONF.register_opts(libvirt_vif_opts, 'libvirt')
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CONF.import_opt('virt_type', 'nova.virt.libvirt.driver', group='libvirt')
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CONF.import_opt('use_ipv6', 'nova.netconf')
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# Since libvirt 0.9.11, <interface type='bridge'>
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# supports OpenVSwitch natively.
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LIBVIRT_OVS_VPORT_VERSION = 9011
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DEV_PREFIX_ETH = 'eth'
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def is_vif_model_valid_for_virt(virt_type, vif_model):
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valid_models = {
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'qemu': ['virtio', 'ne2k_pci', 'pcnet', 'rtl8139', 'e1000'],
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'kvm': ['virtio', 'ne2k_pci', 'pcnet', 'rtl8139', 'e1000'],
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'xen': ['netfront', 'ne2k_pci', 'pcnet', 'rtl8139', 'e1000'],
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'lxc': [],
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'uml': [],
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}
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if vif_model is None:
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return True
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if virt_type not in valid_models:
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raise exception.UnsupportedVirtType(virt=virt_type)
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return vif_model in valid_models[virt_type]
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class LibvirtBaseVIFDriver(object):
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def __init__(self, get_connection):
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self.get_connection = get_connection
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self.libvirt_version = None
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def has_libvirt_version(self, want):
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if self.libvirt_version is None:
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conn = self.get_connection()
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self.libvirt_version = conn.getLibVersion()
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if self.libvirt_version >= want:
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return True
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return False
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def get_vif_devname(self, vif):
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if 'devname' in vif:
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return vif['devname']
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return ("nic" + vif['id'])[:network_model.NIC_NAME_LEN]
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def get_vif_devname_with_prefix(self, vif, prefix):
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devname = self.get_vif_devname(vif)
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return prefix + devname[3:]
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def get_config(self, instance, vif, image_meta, inst_type):
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conf = vconfig.LibvirtConfigGuestInterface()
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# Default to letting libvirt / the hypervisor choose the model
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model = None
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driver = None
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# If the user has specified a 'vif_model' against the
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# image then honour that model
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if image_meta:
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vif_model = image_meta.get('properties',
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{}).get('hw_vif_model')
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if vif_model is not None:
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model = vif_model
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# Else if the virt type is KVM/QEMU, use virtio according
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# to the global config parameter
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if (model is None and
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CONF.libvirt.virt_type in ('kvm', 'qemu') and
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CONF.libvirt.use_virtio_for_bridges):
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model = "virtio"
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# Workaround libvirt bug, where it mistakenly
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# enables vhost mode, even for non-KVM guests
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if model == "virtio" and CONF.libvirt.virt_type == "qemu":
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driver = "qemu"
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if not is_vif_model_valid_for_virt(CONF.libvirt.virt_type,
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model):
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raise exception.UnsupportedHardware(model=model,
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virt=CONF.libvirt.virt_type)
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designer.set_vif_guest_frontend_config(
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conf, vif['address'], model, driver)
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return conf
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def plug(self, instance, vif):
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pass
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def unplug(self, instance, vif):
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pass
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class LibvirtGenericVIFDriver(LibvirtBaseVIFDriver):
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"""Generic VIF driver for libvirt networking."""
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def get_bridge_name(self, vif):
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return vif['network']['bridge']
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def get_ovs_interfaceid(self, vif):
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return vif.get('ovs_interfaceid') or vif['id']
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def get_br_name(self, iface_id):
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return ("qbr" + iface_id)[:network_model.NIC_NAME_LEN]
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def get_veth_pair_names(self, iface_id):
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return (("qvb%s" % iface_id)[:network_model.NIC_NAME_LEN],
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("qvo%s" % iface_id)[:network_model.NIC_NAME_LEN])
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def get_firewall_required(self):
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# TODO(berrange): Extend this to use information from VIF model
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# which can indicate whether the network provider (eg Neutron)
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# has already applied firewall filtering itself.
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if CONF.firewall_driver != "nova.virt.firewall.NoopFirewallDriver":
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return True
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return False
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def get_config_bridge(self, instance, vif, image_meta, inst_type):
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"""Get VIF configurations for bridge type."""
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conf = super(LibvirtGenericVIFDriver,
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self).get_config(instance, vif,
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image_meta, inst_type)
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designer.set_vif_host_backend_bridge_config(
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conf, self.get_bridge_name(vif),
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self.get_vif_devname(vif))
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mac_id = vif['address'].replace(':', '')
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name = "nova-instance-" + instance['name'] + "-" + mac_id
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if self.get_firewall_required():
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conf.filtername = name
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designer.set_vif_bandwidth_config(conf, inst_type)
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return conf
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def get_config_ovs_ethernet(self, instance, vif,
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image_meta, inst_type):
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conf = super(LibvirtGenericVIFDriver,
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self).get_config(instance, vif,
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image_meta, inst_type)
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dev = self.get_vif_devname(vif)
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designer.set_vif_host_backend_ethernet_config(conf, dev)
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return conf
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def get_config_ovs_bridge(self, instance, vif, image_meta,
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inst_type):
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conf = super(LibvirtGenericVIFDriver,
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self).get_config(instance, vif,
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image_meta, inst_type)
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designer.set_vif_host_backend_ovs_config(
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conf, self.get_bridge_name(vif),
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self.get_ovs_interfaceid(vif),
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self.get_vif_devname(vif))
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designer.set_vif_bandwidth_config(conf, inst_type)
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return conf
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def get_config_ovs_hybrid(self, instance, vif, image_meta,
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inst_type):
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newvif = copy.deepcopy(vif)
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newvif['network']['bridge'] = self.get_br_name(vif['id'])
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return self.get_config_bridge(instance, newvif,
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image_meta, inst_type)
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def get_config_ovs(self, instance, vif, image_meta, inst_type):
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if self.get_firewall_required():
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return self.get_config_ovs_hybrid(instance, vif,
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image_meta,
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inst_type)
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elif self.has_libvirt_version(LIBVIRT_OVS_VPORT_VERSION):
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return self.get_config_ovs_bridge(instance, vif,
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image_meta,
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inst_type)
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else:
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return self.get_config_ovs_ethernet(instance, vif,
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image_meta,
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inst_type)
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def get_config_ivs_hybrid(self, instance, vif, image_meta,
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inst_type):
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newvif = copy.deepcopy(vif)
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newvif['network']['bridge'] = self.get_br_name(vif['id'])
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return self.get_config_bridge(instance,
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newvif,
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image_meta,
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inst_type)
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def get_config_ivs_ethernet(self, instance, vif, image_meta,
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inst_type):
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conf = super(LibvirtGenericVIFDriver,
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self).get_config(instance,
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vif,
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image_meta,
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inst_type)
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dev = self.get_vif_devname(vif)
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designer.set_vif_host_backend_ethernet_config(conf, dev)
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return conf
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def get_config_ivs(self, instance, vif, image_meta, inst_type):
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if self.get_firewall_required():
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return self.get_config_ivs_hybrid(instance, vif,
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image_meta,
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inst_type)
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else:
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return self.get_config_ivs_ethernet(instance, vif,
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image_meta,
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inst_type)
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def get_config_802qbg(self, instance, vif, image_meta,
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inst_type):
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conf = super(LibvirtGenericVIFDriver,
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self).get_config(instance, vif,
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image_meta, inst_type)
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params = vif["qbg_params"]
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designer.set_vif_host_backend_802qbg_config(
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conf, vif['network'].get_meta('interface'),
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params['managerid'],
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params['typeid'],
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params['typeidversion'],
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params['instanceid'])
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designer.set_vif_bandwidth_config(conf, inst_type)
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return conf
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def get_config_802qbh(self, instance, vif, image_meta,
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inst_type):
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conf = super(LibvirtGenericVIFDriver,
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self).get_config(instance, vif,
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image_meta, inst_type)
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params = vif["qbh_params"]
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designer.set_vif_host_backend_802qbh_config(
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conf, vif['network'].get_meta('interface'),
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params['profileid'])
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designer.set_vif_bandwidth_config(conf, inst_type)
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return conf
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def get_config_iovisor(self, instance, vif, image_meta,
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inst_type):
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conf = super(LibvirtGenericVIFDriver,
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self).get_config(instance, vif,
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image_meta, inst_type)
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dev = self.get_vif_devname(vif)
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designer.set_vif_host_backend_ethernet_config(conf, dev)
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designer.set_vif_bandwidth_config(conf, inst_type)
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return conf
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def get_config_midonet(self, instance, vif, image_meta,
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inst_type):
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conf = super(LibvirtGenericVIFDriver,
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self).get_config(instance, vif,
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image_meta, inst_type)
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dev = self.get_vif_devname(vif)
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designer.set_vif_host_backend_ethernet_config(conf, dev)
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return conf
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def get_config_mlnx_direct(self, instance, vif, image_meta,
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inst_type):
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conf = super(LibvirtGenericVIFDriver,
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self).get_config(instance, vif,
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image_meta, inst_type)
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devname = self.get_vif_devname_with_prefix(vif, DEV_PREFIX_ETH)
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designer.set_vif_host_backend_direct_config(conf, devname)
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designer.set_vif_bandwidth_config(conf, inst_type)
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return conf
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def get_config(self, instance, vif, image_meta, inst_type):
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vif_type = vif['type']
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LOG.debug(_('vif_type=%(vif_type)s instance=%(instance)s '
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'vif=%(vif)s'),
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{'vif_type': vif_type, 'instance': instance,
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'vif': vif})
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if vif_type is None:
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raise exception.NovaException(
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_("vif_type parameter must be present "
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"for this vif_driver implementation"))
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elif vif_type == network_model.VIF_TYPE_BRIDGE:
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return self.get_config_bridge(instance,
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vif,
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image_meta,
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inst_type)
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elif vif_type == network_model.VIF_TYPE_OVS:
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return self.get_config_ovs(instance,
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vif,
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image_meta,
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inst_type)
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elif vif_type == network_model.VIF_TYPE_802_QBG:
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return self.get_config_802qbg(instance,
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vif,
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image_meta,
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inst_type)
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elif vif_type == network_model.VIF_TYPE_802_QBH:
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return self.get_config_802qbh(instance,
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vif,
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image_meta,
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inst_type)
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elif vif_type == network_model.VIF_TYPE_IVS:
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return self.get_config_ivs(instance,
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vif,
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image_meta,
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inst_type)
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elif vif_type == network_model.VIF_TYPE_IOVISOR:
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return self.get_config_iovisor(instance,
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vif,
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image_meta,
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inst_type)
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elif vif_type == network_model.VIF_TYPE_MLNX_DIRECT:
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return self.get_config_mlnx_direct(instance,
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vif,
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image_meta,
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inst_type)
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elif vif_type == network_model.VIF_TYPE_MIDONET:
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return self.get_config_midonet(instance,
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vif,
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image_meta,
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inst_type)
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else:
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raise exception.NovaException(
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_("Unexpected vif_type=%s") % vif_type)
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def plug_bridge(self, instance, vif):
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"""Ensure that the bridge exists, and add VIF to it."""
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super(LibvirtGenericVIFDriver,
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self).plug(instance, vif)
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network = vif['network']
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if (not network.get_meta('multi_host', False) and
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network.get_meta('should_create_bridge', False)):
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if network.get_meta('should_create_vlan', False):
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iface = CONF.vlan_interface or \
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network.get_meta('bridge_interface')
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LOG.debug(_('Ensuring vlan %(vlan)s and bridge %(bridge)s'),
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{'vlan': network.get_meta('vlan'),
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'bridge': self.get_bridge_name(vif)},
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instance=instance)
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linux_net.LinuxBridgeInterfaceDriver.ensure_vlan_bridge(
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network.get_meta('vlan'),
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self.get_bridge_name(vif),
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iface)
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else:
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iface = CONF.flat_interface or \
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network.get_meta('bridge_interface')
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LOG.debug(_("Ensuring bridge %s"),
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self.get_bridge_name(vif), instance=instance)
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linux_net.LinuxBridgeInterfaceDriver.ensure_bridge(
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self.get_bridge_name(vif),
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iface)
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def plug_ovs_ethernet(self, instance, vif):
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super(LibvirtGenericVIFDriver,
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self).plug(instance, vif)
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network = vif['network']
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iface_id = self.get_ovs_interfaceid(vif)
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dev = self.get_vif_devname(vif)
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linux_net.create_tap_dev(dev)
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linux_net.create_ovs_vif_port(self.get_bridge_name(vif),
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dev, iface_id, vif['address'],
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instance['uuid'])
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def plug_ovs_bridge(self, instance, vif):
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"""No manual plugging required."""
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super(LibvirtGenericVIFDriver,
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self).plug(instance, vif)
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def plug_ovs_hybrid(self, instance, vif):
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"""Plug using hybrid strategy
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Create a per-VIF linux bridge, then link that bridge to the OVS
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integration bridge via a veth device, setting up the other end
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of the veth device just like a normal OVS port. Then boot the
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VIF on the linux bridge using standard libvirt mechanisms.
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"""
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super(LibvirtGenericVIFDriver,
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self).plug(instance, vif)
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iface_id = self.get_ovs_interfaceid(vif)
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br_name = self.get_br_name(vif['id'])
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v1_name, v2_name = self.get_veth_pair_names(vif['id'])
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if not linux_net.device_exists(br_name):
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utils.execute('brctl', 'addbr', br_name, run_as_root=True)
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utils.execute('brctl', 'setfd', br_name, 0, run_as_root=True)
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utils.execute('brctl', 'stp', br_name, 'off', run_as_root=True)
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if not linux_net.device_exists(v2_name):
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linux_net._create_veth_pair(v1_name, v2_name)
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utils.execute('ip', 'link', 'set', br_name, 'up', run_as_root=True)
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utils.execute('brctl', 'addif', br_name, v1_name, run_as_root=True)
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linux_net.create_ovs_vif_port(self.get_bridge_name(vif),
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v2_name, iface_id, vif['address'],
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instance['uuid'])
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def plug_ovs(self, instance, vif):
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if self.get_firewall_required():
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self.plug_ovs_hybrid(instance, vif)
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elif self.has_libvirt_version(LIBVIRT_OVS_VPORT_VERSION):
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self.plug_ovs_bridge(instance, vif)
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else:
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self.plug_ovs_ethernet(instance, vif)
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def plug_ivs_ethernet(self, instance, vif):
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super(LibvirtGenericVIFDriver,
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self).plug(instance, vif)
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iface_id = self.get_ovs_interfaceid(vif)
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dev = self.get_vif_devname(vif)
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linux_net.create_tap_dev(dev)
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linux_net.create_ivs_vif_port(dev, iface_id, vif['address'],
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instance['uuid'])
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def plug_ivs_hybrid(self, instance, vif):
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"""Plug using hybrid strategy (same as OVS)
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Create a per-VIF linux bridge, then link that bridge to the OVS
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integration bridge via a veth device, setting up the other end
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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)
|
|
|
|
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():
|
|
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():
|
|
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():
|
|
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)
|