105 lines
3.3 KiB
Python
105 lines
3.3 KiB
Python
# Copyright 2013 Cloudbase Solutions Srl
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# Copyright 2013 Pedro Navarro Perez
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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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import abc
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import os_vif
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from os_win import utilsfactory
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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 model
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from nova.network import os_vif_util
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CONF = nova.conf.CONF
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class HyperVBaseVIFPlugin(object):
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@abc.abstractmethod
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def plug(self, instance, vif):
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pass
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@abc.abstractmethod
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def unplug(self, instance, vif):
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pass
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class HyperVNeutronVIFPlugin(HyperVBaseVIFPlugin):
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"""Neutron VIF plugin."""
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def plug(self, instance, vif):
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# Neutron takes care of plugging the port
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pass
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def unplug(self, instance, vif):
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# Neutron takes care of unplugging the port
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pass
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class HyperVNovaNetworkVIFPlugin(HyperVBaseVIFPlugin):
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"""Nova network VIF plugin."""
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def __init__(self):
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self._netutils = utilsfactory.get_networkutils()
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def plug(self, instance, vif):
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self._netutils.connect_vnic_to_vswitch(CONF.hyperv.vswitch_name,
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vif['id'])
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def unplug(self, instance, vif):
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# TODO(alepilotti) Not implemented
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pass
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class HyperVVIFDriver(object):
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def __init__(self):
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self._netutils = utilsfactory.get_networkutils()
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if nova.network.is_neutron():
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self._vif_plugin = HyperVNeutronVIFPlugin()
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else:
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self._vif_plugin = HyperVNovaNetworkVIFPlugin()
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def plug(self, instance, vif):
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vif_type = vif['type']
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if vif_type == model.VIF_TYPE_HYPERV:
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self._vif_plugin.plug(instance, vif)
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elif vif_type == model.VIF_TYPE_OVS:
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vif = os_vif_util.nova_to_osvif_vif(vif)
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instance = os_vif_util.nova_to_osvif_instance(instance)
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# NOTE(claudiub): the vNIC has to be connected to a vSwitch
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# before the ovs port is created.
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self._netutils.connect_vnic_to_vswitch(CONF.hyperv.vswitch_name,
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vif.id)
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os_vif.plug(vif, instance)
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else:
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reason = _("Failed to plug virtual interface: "
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"unexpected vif_type=%s") % vif_type
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raise exception.VirtualInterfacePlugException(reason)
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def unplug(self, instance, vif):
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vif_type = vif['type']
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if vif_type == model.VIF_TYPE_HYPERV:
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self._vif_plugin.unplug(instance, vif)
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elif vif_type == model.VIF_TYPE_OVS:
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vif = os_vif_util.nova_to_osvif_vif(vif)
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instance = os_vif_util.nova_to_osvif_instance(instance)
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os_vif.unplug(vif, instance)
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else:
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reason = _("unexpected vif_type=%s") % vif_type
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raise exception.VirtualInterfaceUnplugException(reason=reason)
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