76 lines
3.0 KiB
Python
76 lines
3.0 KiB
Python
# Copyright (c) 2012 NTT DOCOMO, INC.
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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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from oslo.config import cfg
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from ironic import context as nova_context
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from ironic import exception
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from ironic.openstack.common import log as logging
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from ironic import db
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CONF = cfg.CONF
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LOG = logging.getLogger(__name__)
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class BareMetalVIFDriver(object):
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def _after_plug(self, instance, network, mapping, pif):
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pass
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def _after_unplug(self, instance, network, mapping, pif):
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pass
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def plug(self, instance, vif):
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LOG.debug(_("plug: instance_uuid=%(uuid)s vif=%(vif)s")
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% {'uuid': instance['uuid'], 'vif': vif})
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network, mapping = vif
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vif_uuid = mapping['vif_uuid']
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ctx = nova_context.get_admin_context()
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node = db.bm_node_get_by_instance_uuid(ctx, instance['uuid'])
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# TODO(deva): optimize this database query
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# this is just searching for a free physical interface
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pifs = db.bm_interface_get_all_by_bm_node_id(ctx, node['id'])
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for pif in pifs:
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if not pif['vif_uuid']:
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db.bm_interface_set_vif_uuid(ctx, pif['id'], vif_uuid)
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LOG.debug(_("pif:%(id)s is plugged (vif_uuid=%(vif_uuid)s)")
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% {'id': pif['id'], 'vif_uuid': vif_uuid})
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self._after_plug(instance, network, mapping, pif)
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return
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# NOTE(deva): should this really be raising an exception
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# when there are no physical interfaces left?
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raise exception.NovaException(_(
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"Baremetal node: %(id)s has no available physical interface"
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" for virtual interface %(vif_uuid)s")
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% {'id': node['id'], 'vif_uuid': vif_uuid})
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def unplug(self, instance, vif):
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LOG.debug(_("unplug: instance_uuid=%(uuid)s vif=%(vif)s"),
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{'uuid': instance['uuid'], 'vif': vif})
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network, mapping = vif
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vif_uuid = mapping['vif_uuid']
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ctx = nova_context.get_admin_context()
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try:
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pif = db.bm_interface_get_by_vif_uuid(ctx, vif_uuid)
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db.bm_interface_set_vif_uuid(ctx, pif['id'], None)
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LOG.debug(_("pif:%(id)s is unplugged (vif_uuid=%(vif_uuid)s)")
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% {'id': pif['id'], 'vif_uuid': vif_uuid})
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self._after_unplug(instance, network, mapping, pif)
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except exception.NovaException:
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LOG.warn(_("no pif for vif_uuid=%s") % vif_uuid)
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