bbe0f313bd
Allow Cinder to use external events to signal a volume extension. 1) Nova will then call os-brick to perform the volume extension so the host can detect its new size. 2) Compute driver will resize the device in QEMU so instance can detect the new disk size without rebooting. This change: * Adds the 'volume-extended' external event. The event tag needs to be the extended volume id. * Bumps the latest microversion to 2.51. * Exposes non-traceback instance action event details for non-admins on the microversion. This is needed for the non-admin API user that initiated the volume extend operation to be able to tell when the nova-compute side is complete. Co-Authored-By: Matt Riedemann <mriedem.os@gmail.com> Blueprint: nova-support-attached-volume-extend Change-Id: If10cffd0dc4c9879f6754ce39bee5fae1d04f474
60 lines
1.9 KiB
Python
60 lines
1.9 KiB
Python
# Copyright 2014 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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from nova.objects import base as obj_base
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from nova.objects import fields
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EVENT_NAMES = [
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# Network has changed for this instance, rebuild info_cache
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'network-changed',
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# VIF plugging notifications, tag is port_id
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'network-vif-plugged',
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'network-vif-unplugged',
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'network-vif-deleted',
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# Volume was extended for this instance, tag is volume_id
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'volume-extended',
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]
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EVENT_STATUSES = ['failed', 'completed', 'in-progress']
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@obj_base.NovaObjectRegistry.register
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class InstanceExternalEvent(obj_base.NovaObject):
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# Version 1.0: Initial version
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# Supports network-changed and vif-plugged
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# Version 1.1: adds network-vif-deleted event
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# Version 1.2: adds volume-extended event
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VERSION = '1.2'
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fields = {
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'instance_uuid': fields.UUIDField(),
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'name': fields.EnumField(valid_values=EVENT_NAMES),
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'status': fields.EnumField(valid_values=EVENT_STATUSES),
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'tag': fields.StringField(nullable=True),
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'data': fields.DictOfStringsField(),
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}
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@staticmethod
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def make_key(name, tag=None):
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if tag is not None:
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return '%s-%s' % (name, tag)
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else:
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return name
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@property
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def key(self):
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return self.make_key(self.name, self.tag)
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