98 lines
3.2 KiB
Python
98 lines
3.2 KiB
Python
# Copyright 2013 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 oslo.serialization import jsonutils
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import six
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import webob
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from nova.api.openstack import extensions
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from nova.api.openstack import wsgi
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from nova import compute
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from nova import exception
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from nova.i18n import _
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from nova.openstack.common import log as logging
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LOG = logging.getLogger(__name__)
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authorize = extensions.extension_authorizer('compute',
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'os-assisted-volume-snapshots')
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class AssistedVolumeSnapshotsController(wsgi.Controller):
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def __init__(self):
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self.compute_api = compute.API()
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super(AssistedVolumeSnapshotsController, self).__init__()
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def create(self, req, body):
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"""Creates a new snapshot."""
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context = req.environ['nova.context']
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authorize(context, action='create')
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if not self.is_valid_body(body, 'snapshot'):
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raise webob.exc.HTTPBadRequest()
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try:
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snapshot = body['snapshot']
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create_info = snapshot['create_info']
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volume_id = snapshot['volume_id']
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except KeyError:
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raise webob.exc.HTTPBadRequest()
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LOG.audit(_("Create assisted snapshot from volume %s"), volume_id,
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context=context)
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return self.compute_api.volume_snapshot_create(context, volume_id,
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create_info)
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def delete(self, req, id):
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"""Delete a snapshot."""
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context = req.environ['nova.context']
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authorize(context, action='delete')
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LOG.audit(_("Delete snapshot with id: %s"), id, context=context)
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delete_metadata = {}
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delete_metadata.update(req.GET)
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try:
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delete_info = jsonutils.loads(delete_metadata['delete_info'])
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volume_id = delete_info['volume_id']
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except (KeyError, ValueError) as e:
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raise webob.exc.HTTPBadRequest(explanation=six.text_type(e))
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try:
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self.compute_api.volume_snapshot_delete(context, volume_id,
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id, delete_info)
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except exception.NotFound:
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return webob.exc.HTTPNotFound()
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return webob.Response(status_int=204)
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class Assisted_volume_snapshots(extensions.ExtensionDescriptor):
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"""Assisted volume snapshots."""
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name = "AssistedVolumeSnapshots"
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alias = "os-assisted-volume-snapshots"
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namespace = ("http://docs.openstack.org/compute/ext/"
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"assisted-volume-snapshots/api/v2")
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updated = "2013-08-29T00:00:00Z"
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def get_resources(self):
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resource = extensions.ResourceExtension('os-assisted-volume-snapshots',
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AssistedVolumeSnapshotsController())
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return [resource]
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