959 lines
37 KiB
Python
959 lines
37 KiB
Python
# 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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# Copyright 2016 Red Hat, Inc.
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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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import os
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import os_vif
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from os_vif import exception as osv_exception
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from os_vif.objects import fields as osv_fields
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from oslo_concurrency import processutils
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from oslo_log import log as logging
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import nova.conf
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from nova import exception
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from nova.i18n import _
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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.network import os_vif_util
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from nova import objects
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from nova import profiler
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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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from nova.virt import osinfo
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LOG = logging.getLogger(__name__)
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CONF = nova.conf.CONF
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# vhostuser queues support
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MIN_LIBVIRT_VHOSTUSER_MQ = (1, 2, 17)
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# vlan tag for macvtap passthrough mode on SRIOV VFs
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MIN_LIBVIRT_MACVTAP_PASSTHROUGH_VLAN = (1, 3, 5)
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# setting interface mtu was intoduced in libvirt 3.3, We also need to
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# check for QEMU that because libvirt is configuring in same time
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# host_mtu for virtio-net, fails if not supported.
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MIN_LIBVIRT_INTERFACE_MTU = (3, 3, 0)
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MIN_QEMU_INTERFACE_MTU = (2, 9, 0)
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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': [network_model.VIF_MODEL_VIRTIO,
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network_model.VIF_MODEL_NE2K_PCI,
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network_model.VIF_MODEL_PCNET,
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network_model.VIF_MODEL_RTL8139,
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network_model.VIF_MODEL_E1000,
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network_model.VIF_MODEL_LAN9118,
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network_model.VIF_MODEL_SPAPR_VLAN],
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'kvm': [network_model.VIF_MODEL_VIRTIO,
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network_model.VIF_MODEL_NE2K_PCI,
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network_model.VIF_MODEL_PCNET,
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network_model.VIF_MODEL_RTL8139,
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network_model.VIF_MODEL_E1000,
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network_model.VIF_MODEL_SPAPR_VLAN],
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'xen': [network_model.VIF_MODEL_NETFRONT,
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network_model.VIF_MODEL_NE2K_PCI,
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network_model.VIF_MODEL_PCNET,
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network_model.VIF_MODEL_RTL8139,
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network_model.VIF_MODEL_E1000],
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'lxc': [],
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'uml': [],
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'parallels': [network_model.VIF_MODEL_VIRTIO,
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network_model.VIF_MODEL_RTL8139,
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network_model.VIF_MODEL_E1000],
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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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@profiler.trace_cls("vif_driver")
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class LibvirtGenericVIFDriver(object):
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"""Generic VIF driver for libvirt networking."""
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def _normalize_vif_type(self, vif_type):
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return vif_type.replace('2.1q', '2q')
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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_base_config(self, instance, mac, image_meta,
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inst_type, virt_type, vnic_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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vhost_queues = 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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model = osinfo.HardwareProperties(image_meta).network_model
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# Else if the virt type is KVM/QEMU/VZ(Parallels), then use virtio
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# according to the global config parameter
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if (model is None and
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virt_type in ('kvm', 'qemu', 'parallels') and
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CONF.libvirt.use_virtio_for_bridges):
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model = network_model.VIF_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 == network_model.VIF_MODEL_VIRTIO and
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virt_type == "qemu"):
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driver = "qemu"
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if not is_vif_model_valid_for_virt(virt_type,
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model):
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raise exception.UnsupportedHardware(model=model,
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virt=virt_type)
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if (virt_type in ('kvm', 'parallels') and
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model == network_model.VIF_MODEL_VIRTIO and
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vnic_type not in network_model.VNIC_TYPES_SRIOV):
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vhost_drv, vhost_queues = self._get_virtio_mq_settings(image_meta,
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inst_type)
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driver = vhost_drv or driver
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designer.set_vif_guest_frontend_config(
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conf, mac, model, driver, vhost_queues)
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return conf
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def get_base_hostdev_pci_config(self, vif):
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conf = vconfig.LibvirtConfigGuestHostdevPCI()
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pci_slot = vif['profile']['pci_slot']
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designer.set_vif_host_backend_hostdev_pci_config(conf, pci_slot)
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return conf
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def _is_multiqueue_enabled(self, image_meta, flavor):
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_, vhost_queues = self._get_virtio_mq_settings(image_meta, flavor)
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return vhost_queues > 1 if vhost_queues is not None else False
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def _get_virtio_mq_settings(self, image_meta, flavor):
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"""A methods to set the number of virtio queues,
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if it has been requested in extra specs.
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"""
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driver = None
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vhost_queues = None
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if not isinstance(image_meta, objects.ImageMeta):
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image_meta = objects.ImageMeta.from_dict(image_meta)
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img_props = image_meta.properties
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if img_props.get('hw_vif_multiqueue_enabled'):
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driver = 'vhost'
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max_tap_queues = self._get_max_tap_queues()
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if max_tap_queues:
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vhost_queues = (max_tap_queues if flavor.vcpus > max_tap_queues
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else flavor.vcpus)
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else:
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vhost_queues = flavor.vcpus
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return (driver, vhost_queues)
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def _get_max_tap_queues(self):
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# NOTE(kengo.sakai): In kernels prior to 3.0,
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# multiple queues on a tap interface is not supported.
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# In kernels 3.x, the number of queues on a tap interface
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# is limited to 8. From 4.0, the number is 256.
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# See: https://bugs.launchpad.net/nova/+bug/1570631
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kernel_version = int(os.uname()[2].split(".")[0])
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if kernel_version <= 2:
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return 1
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elif kernel_version == 3:
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return 8
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elif kernel_version == 4:
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return 256
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else:
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return None
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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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@staticmethod
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def is_no_op_firewall():
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return CONF.firewall_driver == "nova.virt.firewall.NoopFirewallDriver"
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def get_firewall_required(self, vif):
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if vif.is_neutron_filtering_enabled():
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return False
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if self.is_no_op_firewall():
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return False
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return True
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def get_firewall_required_os_vif(self, vif):
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if vif.has_traffic_filtering:
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return False
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if self.is_no_op_firewall():
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return False
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return True
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def get_config_bridge(self, instance, vif, image_meta,
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inst_type, virt_type, host):
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"""Get VIF configurations for bridge type."""
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conf = self.get_base_config(instance, vif['address'], image_meta,
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inst_type, virt_type, vif['vnic_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(vif):
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conf.filtername = name
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designer.set_vif_bandwidth_config(conf, inst_type)
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self._set_mtu_config(vif, host, conf)
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return conf
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def _set_mtu_config(self, vif, host, conf):
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""":param vif: nova.network.modle.vif
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:param host: nova.virt.libvirt.host.Host
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:param conf: nova.virt.libvirt.config.LibvirtConfigGuestInterface
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"""
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network = vif.get('network')
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if (network and network.get_meta("mtu") and
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self._has_min_version_for_mtu(host)):
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designer.set_vif_mtu_config(conf, network.get_meta("mtu"))
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def _has_min_version_for_mtu(self, host):
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return host.has_min_version(MIN_LIBVIRT_INTERFACE_MTU,
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MIN_QEMU_INTERFACE_MTU)
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def get_config_ivs_hybrid(self, instance, vif, image_meta,
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inst_type, virt_type, host):
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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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virt_type,
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host)
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def get_config_ivs_ethernet(self, instance, vif, image_meta,
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inst_type, virt_type, host):
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conf = self.get_base_config(instance,
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vif['address'],
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image_meta,
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inst_type,
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virt_type,
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vif['vnic_type'])
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dev = self.get_vif_devname(vif)
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designer.set_vif_host_backend_ethernet_config(conf, dev, host)
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return conf
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def get_config_ivs(self, instance, vif, image_meta,
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inst_type, virt_type, host):
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if self.get_firewall_required(vif) or vif.is_hybrid_plug_enabled():
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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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virt_type,
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host)
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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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virt_type,
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host)
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def get_config_802qbg(self, instance, vif, image_meta,
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inst_type, virt_type, host):
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conf = self.get_base_config(instance, vif['address'], image_meta,
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inst_type, virt_type, vif['vnic_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, virt_type, host):
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conf = self.get_base_config(instance, vif['address'], image_meta,
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inst_type, virt_type, vif['vnic_type'])
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profile = vif["profile"]
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vif_details = vif["details"]
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net_type = 'direct'
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if vif['vnic_type'] == network_model.VNIC_TYPE_DIRECT:
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net_type = 'hostdev'
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designer.set_vif_host_backend_802qbh_config(
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conf, net_type, profile['pci_slot'],
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vif_details[network_model.VIF_DETAILS_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_hw_veb(self, instance, vif, image_meta,
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inst_type, virt_type, host):
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conf = self.get_base_config(instance, vif['address'], image_meta,
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inst_type, virt_type, vif['vnic_type'])
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profile = vif["profile"]
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vif_details = vif["details"]
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net_type = 'direct'
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if vif['vnic_type'] == network_model.VNIC_TYPE_DIRECT:
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net_type = 'hostdev'
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designer.set_vif_host_backend_hw_veb(
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conf, net_type, profile['pci_slot'],
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vif_details[network_model.VIF_DETAILS_VLAN])
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# NOTE(vladikr): Not setting vlan tags for macvtap on SR-IOV VFs
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# as vlan tag is not supported in Libvirt until version 1.3.5
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if (vif['vnic_type'] == network_model.VNIC_TYPE_MACVTAP and not
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host.has_min_version(MIN_LIBVIRT_MACVTAP_PASSTHROUGH_VLAN)):
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conf.vlan = None
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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_hostdev_physical(self, instance, vif, image_meta,
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inst_type, virt_type, host):
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return self.get_base_hostdev_pci_config(vif)
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def get_config_macvtap(self, instance, vif, image_meta,
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inst_type, virt_type, host):
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conf = self.get_base_config(instance, vif['address'], image_meta,
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inst_type, virt_type, vif['vnic_type'])
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vif_details = vif['details']
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macvtap_src = vif_details.get(network_model.VIF_DETAILS_MACVTAP_SOURCE)
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macvtap_mode = vif_details.get(network_model.VIF_DETAILS_MACVTAP_MODE)
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phys_interface = vif_details.get(
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network_model.VIF_DETAILS_PHYS_INTERFACE)
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missing_params = []
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if macvtap_src is None:
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missing_params.append(network_model.VIF_DETAILS_MACVTAP_SOURCE)
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if macvtap_mode is None:
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missing_params.append(network_model.VIF_DETAILS_MACVTAP_MODE)
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if phys_interface is None:
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missing_params.append(network_model.VIF_DETAILS_PHYS_INTERFACE)
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if len(missing_params) > 0:
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raise exception.VifDetailsMissingMacvtapParameters(
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vif_id=vif['id'],
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missing_params=missing_params)
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designer.set_vif_host_backend_direct_config(
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conf, macvtap_src, macvtap_mode)
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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, virt_type, host):
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conf = self.get_base_config(instance, vif['address'], image_meta,
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inst_type, virt_type, vif['vnic_type'])
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dev = self.get_vif_devname(vif)
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designer.set_vif_host_backend_ethernet_config(conf, dev, host)
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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, virt_type, host):
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conf = self.get_base_config(instance, vif['address'], image_meta,
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inst_type, virt_type, vif['vnic_type'])
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dev = self.get_vif_devname(vif)
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designer.set_vif_host_backend_ethernet_config(conf, dev, host)
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return conf
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def get_config_tap(self, instance, vif, image_meta,
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inst_type, virt_type, host):
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conf = self.get_base_config(instance, vif['address'], image_meta,
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inst_type, virt_type, vif['vnic_type'])
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dev = self.get_vif_devname(vif)
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designer.set_vif_host_backend_ethernet_config(conf, dev, host)
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self._set_mtu_config(vif, host, conf)
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return conf
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def _get_vhostuser_settings(self, vif):
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vif_details = vif['details']
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mode = vif_details.get(network_model.VIF_DETAILS_VHOSTUSER_MODE,
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'server')
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sock_path = vif_details.get(network_model.VIF_DETAILS_VHOSTUSER_SOCKET)
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if sock_path is None:
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raise exception.VifDetailsMissingVhostuserSockPath(
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vif_id=vif['id'])
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return mode, sock_path
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def get_config_vhostuser(self, instance, vif, image_meta,
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inst_type, virt_type, host):
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conf = self.get_base_config(instance, vif['address'], image_meta,
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inst_type, virt_type, vif['vnic_type'])
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mode, sock_path = self._get_vhostuser_settings(vif)
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designer.set_vif_host_backend_vhostuser_config(conf, mode, sock_path)
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# (vladikr) Not setting up driver and queues for vhostuser
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# as queues are not supported in Libvirt until version 1.2.17
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if not host.has_min_version(MIN_LIBVIRT_VHOSTUSER_MQ):
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LOG.debug('Queues are not a vhostuser supported feature.')
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conf.driver_name = None
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conf.vhost_queues = None
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return conf
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|
|
def get_config_ib_hostdev(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
return self.get_base_hostdev_pci_config(vif)
|
|
|
|
def get_config_vrouter(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
conf = self.get_base_config(instance, vif['address'], image_meta,
|
|
inst_type, virt_type, vif['vnic_type'])
|
|
dev = self.get_vif_devname(vif)
|
|
designer.set_vif_host_backend_ethernet_config(conf, dev, host)
|
|
|
|
designer.set_vif_bandwidth_config(conf, inst_type)
|
|
return conf
|
|
|
|
def _set_config_VIFBridge(self, instance, vif, conf, host=None):
|
|
conf.net_type = "bridge"
|
|
conf.source_dev = vif.bridge_name
|
|
conf.target_dev = vif.vif_name
|
|
|
|
if self.get_firewall_required_os_vif(vif):
|
|
mac_id = vif.address.replace(':', '')
|
|
name = "nova-instance-" + instance.name + "-" + mac_id
|
|
conf.filtername = name
|
|
|
|
def _set_config_VIFOpenVSwitch(self, instance, vif, conf, host=None):
|
|
conf.net_type = "bridge"
|
|
conf.source_dev = vif.bridge_name
|
|
conf.target_dev = vif.vif_name
|
|
self._set_config_VIFPortProfile(instance, vif, conf)
|
|
|
|
def _set_config_VIFVHostUser(self, instance, vif, conf, host=None):
|
|
designer.set_vif_host_backend_vhostuser_config(
|
|
conf, vif.mode, vif.path)
|
|
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
|
|
|
|
def _set_config_VIFHostDevice(self, instance, vif, conf, host=None):
|
|
if vif.dev_type == osv_fields.VIFHostDeviceDevType.ETHERNET:
|
|
# This sets the required fields for an <interface type='hostdev'>
|
|
# section in a libvirt domain (by using a subset of hw_veb's
|
|
# options).
|
|
designer.set_vif_host_backend_hw_veb(
|
|
conf, 'hostdev', vif.dev_address, None)
|
|
else:
|
|
# TODO(jangutter): dev_type == VIFHostDeviceDevType.GENERIC
|
|
# is currently unsupported under os-vif. The corresponding conf
|
|
# class would be: LibvirtConfigGuestHostdevPCI
|
|
# but os-vif only returns a LibvirtConfigGuestInterface object
|
|
raise exception.InternalError(
|
|
_("Unsupported os-vif VIFHostDevice dev_type %(type)s") %
|
|
{'type': vif.dev_type})
|
|
|
|
def _set_config_VIFPortProfileOpenVSwitch(self, profile, conf):
|
|
conf.vporttype = "openvswitch"
|
|
conf.add_vport_param("interfaceid",
|
|
profile.interface_id)
|
|
|
|
def _set_config_VIFPortProfile(self, instance, vif, conf):
|
|
# Set any port profile that may be required
|
|
profilefunc = "_set_config_" + vif.port_profile.obj_name()
|
|
func = getattr(self, profilefunc, None)
|
|
if not func:
|
|
raise exception.InternalError(
|
|
_("Unsupported VIF port profile type %(obj)s func %(func)s") %
|
|
{'obj': vif.port_profile.obj_name(), 'func': profilefunc})
|
|
|
|
func(vif.port_profile, conf)
|
|
|
|
def _get_config_os_vif(self, instance, vif, image_meta, inst_type,
|
|
virt_type, host, vnic_type):
|
|
"""Get the domain config for a VIF
|
|
|
|
:param instance: nova.objects.Instance
|
|
:param vif: os_vif.objects.vif.VIFBase subclass
|
|
:param image_meta: nova.objects.ImageMeta
|
|
:param inst_type: nova.objects.Flavor
|
|
:param virt_type: virtualization type
|
|
:param host: nova.virt.libvirt.host.Host
|
|
:param vnic_type: vnic type
|
|
|
|
:returns: nova.virt.libvirt.config.LibvirtConfigGuestInterface
|
|
"""
|
|
|
|
# Do the config that's common to all vif types
|
|
conf = self.get_base_config(instance, vif.address, image_meta,
|
|
inst_type, virt_type, vnic_type)
|
|
|
|
# Do the VIF type specific config
|
|
viffunc = "_set_config_" + vif.obj_name()
|
|
func = getattr(self, viffunc, None)
|
|
if not func:
|
|
raise exception.InternalError(
|
|
_("Unsupported VIF type %(obj)s func %(func)s") %
|
|
{'obj': vif.obj_name(), 'func': viffunc})
|
|
func(instance, vif, conf, host)
|
|
|
|
designer.set_vif_bandwidth_config(conf, inst_type)
|
|
if ('network' in vif and 'mtu' in vif.network and
|
|
self._has_min_version_for_mtu(host)):
|
|
designer.set_vif_mtu_config(conf, vif.network.mtu)
|
|
|
|
return conf
|
|
|
|
def get_config(self, instance, vif, image_meta,
|
|
inst_type, virt_type, host):
|
|
vif_type = vif['type']
|
|
vnic_type = vif['vnic_type']
|
|
|
|
# instance.display_name could be unicode
|
|
instance_repr = utils.get_obj_repr_unicode(instance)
|
|
LOG.debug('vif_type=%(vif_type)s instance=%(instance)s '
|
|
'vif=%(vif)s virt_type=%(virt_type)s',
|
|
{'vif_type': vif_type, 'instance': instance_repr,
|
|
'vif': vif, 'virt_type': virt_type})
|
|
|
|
if vif_type is None:
|
|
raise exception.InternalError(
|
|
_("vif_type parameter must be present "
|
|
"for this vif_driver implementation"))
|
|
|
|
# Try os-vif codepath first
|
|
vif_obj = os_vif_util.nova_to_osvif_vif(vif)
|
|
if vif_obj is not None:
|
|
return self._get_config_os_vif(instance, vif_obj, image_meta,
|
|
inst_type, virt_type, host,
|
|
vnic_type)
|
|
|
|
# Legacy non-os-vif codepath
|
|
vif_slug = self._normalize_vif_type(vif_type)
|
|
func = getattr(self, 'get_config_%s' % vif_slug, None)
|
|
if not func:
|
|
raise exception.InternalError(
|
|
_("Unexpected vif_type=%s") % vif_type)
|
|
return func(instance, vif, image_meta,
|
|
inst_type, virt_type, host)
|
|
|
|
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.
|
|
"""
|
|
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):
|
|
nova.privsep.libvirt.add_bridge(br_name)
|
|
nova.privsep.libvirt.zero_bridge_forward_delay(br_name)
|
|
nova.privsep.libvirt.disable_bridge_stp(br_name)
|
|
nova.privsep.libvirt.disable_multicast_snooping(br_name)
|
|
nova.privsep.libvirt.disable_ipv6(br_name)
|
|
|
|
if not linux_net.device_exists(v2_name):
|
|
mtu = vif['network'].get_meta('mtu')
|
|
linux_net._create_veth_pair(v1_name, v2_name, mtu)
|
|
nova.privsep.libvirt.toggle_interface(br_name, 'up')
|
|
nova.privsep.libvirt.bridge_add_interface(br_name, v1_name)
|
|
linux_net.create_ivs_vif_port(v2_name, iface_id,
|
|
vif['address'], instance.uuid)
|
|
|
|
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(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:
|
|
nova.privsep.libvirt.plug_infiniband_vif(
|
|
vnic_mac, device_id, fabric,
|
|
network_model.VIF_TYPE_IB_HOSTDEV, pci_slot)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_("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):
|
|
# TODO(vladikr): This code can be removed once the minimum version of
|
|
# Libvirt is incleased above 1.3.5, as vlan will be set by libvirt
|
|
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_hostdev_physical(self, instance, vif):
|
|
pass
|
|
|
|
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)
|
|
nova.privsep.libvirt.plug_midonet_vif(port_id, dev)
|
|
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.
|
|
"""
|
|
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:
|
|
nova.privsep.libvirt.plug_plumgrid_vif(
|
|
dev, iface_id, vif['address'], net_id, tenant_id)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_("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(self, instance, vif):
|
|
pass
|
|
|
|
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 (CONF.libvirt.virt_type == 'lxc'):
|
|
ptype = 'NameSpacePort'
|
|
|
|
try:
|
|
multiqueue = self._is_multiqueue_enabled(instance.image_meta,
|
|
instance.flavor)
|
|
linux_net.create_tap_dev(dev, multiqueue=multiqueue)
|
|
nova.privsep.libvirt.plug_contrail_vif(
|
|
instance.project_id,
|
|
instance.uuid,
|
|
instance.display_name,
|
|
vif['id'],
|
|
vif['network']['id'],
|
|
ptype,
|
|
dev,
|
|
vif['address'],
|
|
ip_addr,
|
|
ip6_addr,
|
|
)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_("Failed while plugging vif"), instance=instance)
|
|
|
|
def _plug_os_vif(self, instance, vif):
|
|
instance_info = os_vif_util.nova_to_osvif_instance(instance)
|
|
|
|
try:
|
|
os_vif.plug(vif, instance_info)
|
|
except osv_exception.ExceptionBase as ex:
|
|
msg = (_("Failure running os_vif plugin plug method: %(ex)s")
|
|
% {'ex': ex})
|
|
raise exception.InternalError(msg)
|
|
|
|
def plug(self, instance, vif):
|
|
vif_type = vif['type']
|
|
|
|
# instance.display_name could be unicode
|
|
instance_repr = utils.get_obj_repr_unicode(instance)
|
|
LOG.debug('vif_type=%(vif_type)s instance=%(instance)s '
|
|
'vif=%(vif)s',
|
|
{'vif_type': vif_type, 'instance': instance_repr,
|
|
'vif': vif})
|
|
|
|
if vif_type is None:
|
|
raise exception.VirtualInterfacePlugException(
|
|
_("vif_type parameter must be present "
|
|
"for this vif_driver implementation"))
|
|
|
|
# Try os-vif codepath first
|
|
vif_obj = os_vif_util.nova_to_osvif_vif(vif)
|
|
if vif_obj is not None:
|
|
self._plug_os_vif(instance, vif_obj)
|
|
return
|
|
|
|
# Legacy non-os-vif codepath
|
|
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_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'])
|
|
|
|
nova.privsep.libvirt.bridge_delete_interface(br_name, v1_name)
|
|
nova.privsep.libvirt.toggle_interface(br_name, 'down')
|
|
nova.privsep.libvirt.delete_bridge(br_name)
|
|
linux_net.delete_ivs_vif_port(v2_name)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_("Failed while unplugging vif"), instance=instance)
|
|
|
|
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(_("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:
|
|
nova.privsep.libvirt.unplug_infiniband_vif(fabric, vnic_mac)
|
|
except Exception:
|
|
LOG.exception(_("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):
|
|
# TODO(vladikr): This code can be removed once the minimum version of
|
|
# Libvirt is incleased above 1.3.5, as vlan will be set by libvirt
|
|
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_hostdev_physical(self, instance, vif):
|
|
pass
|
|
|
|
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:
|
|
nova.privsep.libvirt.unplug_midonet_vif(port_id)
|
|
linux_net.delete_net_dev(dev)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_("Failed while unplugging vif"), instance=instance)
|
|
|
|
def unplug_tap(self, instance, vif):
|
|
"""Unplug a VIF_TYPE_TAP virtual interface."""
|
|
dev = self.get_vif_devname(vif)
|
|
try:
|
|
linux_net.delete_net_dev(dev)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_("Failed while unplugging vif"), instance=instance)
|
|
|
|
def unplug_iovisor(self, instance, vif):
|
|
"""Unplug using PLUMgrid IO Visor Driver
|
|
|
|
Delete network device and to their respective
|
|
connection to the Virtual Domain in PLUMgrid Platform.
|
|
"""
|
|
dev = self.get_vif_devname(vif)
|
|
try:
|
|
nova.privsep.libvirt.unplug_plumgrid_vif(dev)
|
|
linux_net.delete_net_dev(dev)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_("Failed while unplugging vif"), instance=instance)
|
|
|
|
def unplug_vhostuser(self, instance, vif):
|
|
pass
|
|
|
|
def unplug_vrouter(self, instance, vif):
|
|
"""Unplug Contrail's network port
|
|
|
|
Unbind the vif from a Contrail virtual port.
|
|
"""
|
|
dev = self.get_vif_devname(vif)
|
|
port_id = vif['id']
|
|
try:
|
|
nova.privsep.libvirt.unplug_contrail_vif(port_id)
|
|
linux_net.delete_net_dev(dev)
|
|
except processutils.ProcessExecutionError:
|
|
LOG.exception(_("Failed while unplugging vif"), instance=instance)
|
|
|
|
def _unplug_os_vif(self, instance, vif):
|
|
instance_info = os_vif_util.nova_to_osvif_instance(instance)
|
|
|
|
try:
|
|
os_vif.unplug(vif, instance_info)
|
|
except osv_exception.ExceptionBase as ex:
|
|
msg = (_("Failure running os_vif plugin unplug method: %(ex)s")
|
|
% {'ex': ex})
|
|
raise exception.InternalError(msg)
|
|
|
|
def unplug(self, instance, vif):
|
|
vif_type = vif['type']
|
|
|
|
# instance.display_name could be unicode
|
|
instance_repr = utils.get_obj_repr_unicode(instance)
|
|
LOG.debug('vif_type=%(vif_type)s instance=%(instance)s '
|
|
'vif=%(vif)s',
|
|
{'vif_type': vif_type, 'instance': instance_repr,
|
|
'vif': vif})
|
|
|
|
if vif_type is None:
|
|
msg = _("vif_type parameter must be present for this vif_driver "
|
|
"implementation")
|
|
raise exception.InternalError(msg)
|
|
|
|
# Try os-vif codepath first
|
|
vif_obj = os_vif_util.nova_to_osvif_vif(vif)
|
|
if vif_obj is not None:
|
|
self._unplug_os_vif(instance, vif_obj)
|
|
return
|
|
|
|
# Legacy non-os-vif codepath
|
|
vif_slug = self._normalize_vif_type(vif_type)
|
|
func = getattr(self, 'unplug_%s' % vif_slug, None)
|
|
if not func:
|
|
msg = _("Unexpected vif_type=%s") % vif_type
|
|
raise exception.InternalError(msg)
|
|
func(instance, vif)
|