e78018bd05
This patch adds support for non-disruptive backup for volumes in 'in-use' status as follows: Adds a force flag in create backup API when backing up an 'in-use' volume. For the default implementation in volume/driver.py: * Create a temporary volume from the original volume * Backup the temporary volume * Clean up the temporary volume For the LVM driver: * Create a temporary snapshot * Obtain local_path for the temporary snapshot * Backup the temporary snapshot * Cleanup the temporary snapshot Attach snapshot will be implemented in another patch. Partial-implements blueprint non-disruptive-backup Change-Id: I915c279b526e7268d68ab18ce01200ae22deabdd
50 lines
1.5 KiB
Python
50 lines
1.5 KiB
Python
# Copyright 2015 SimpliVity Corp.
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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_versionedobjects import fields
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from cinder import objects
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def fake_db_volume(**updates):
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db_volume = {
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'id': '1',
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'size': 1,
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'name': 'volume-1',
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'availability_zone': 'fake_availability_zone',
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'status': 'available',
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'attach_status': 'detached',
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'previous_status': None
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}
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for name, field in objects.Volume.fields.items():
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if name in db_volume:
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continue
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if field.nullable:
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db_volume[name] = None
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elif field.default != fields.UnspecifiedDefault:
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db_volume[name] = field.default
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else:
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raise Exception('fake_db_volume needs help with %s' % name)
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if updates:
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db_volume.update(updates)
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return db_volume
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def fake_volume_obj(context, **updates):
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return objects.Volume._from_db_object(context, objects.Volume(),
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fake_db_volume(**updates))
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