98 lines
4.1 KiB
Python
98 lines
4.1 KiB
Python
# Copyright 2013 Red Hat, Inc.
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# Copyright 2014 IBM Corp.
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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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"""The Assisted volume snapshots extension."""
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from oslo_serialization import jsonutils
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from webob import exc
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from nova.api.openstack.compute.schemas import assisted_volume_snapshots
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from nova.api.openstack import wsgi
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from nova.api import validation
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from nova.compute import api as compute
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from nova import exception
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from nova.policies import assisted_volume_snapshots as avs_policies
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class AssistedVolumeSnapshotsController(wsgi.Controller):
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"""The Assisted volume snapshots API controller for the OpenStack API."""
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def __init__(self):
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super(AssistedVolumeSnapshotsController, self).__init__()
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self.compute_api = compute.API()
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@wsgi.expected_errors(400)
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@validation.schema(assisted_volume_snapshots.snapshots_create)
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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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context.can(avs_policies.POLICY_ROOT % 'create', target={})
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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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try:
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return self.compute_api.volume_snapshot_create(context, volume_id,
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create_info)
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except (exception.VolumeBDMNotFound,
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exception.VolumeBDMIsMultiAttach,
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exception.InvalidVolume) as error:
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raise exc.HTTPBadRequest(explanation=error.format_message())
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except (exception.InstanceInvalidState,
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exception.InstanceNotReady) as e:
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# TODO(mriedem) InstanceInvalidState and InstanceNotReady would
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# normally result in a 409 but that would require bumping the
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# microversion, which we should just do in a single microversion
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# across all APIs when we fix status code wrinkles.
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raise exc.HTTPBadRequest(explanation=e.format_message())
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@wsgi.response(204)
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@validation.query_schema(assisted_volume_snapshots.delete_query_275,
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'2.75')
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@validation.query_schema(assisted_volume_snapshots.delete_query, '2.0',
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'2.74')
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@wsgi.expected_errors((400, 404))
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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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context.can(avs_policies.POLICY_ROOT % 'delete', target={})
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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 exc.HTTPBadRequest(explanation=str(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.VolumeBDMNotFound,
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exception.InvalidVolume) as error:
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raise exc.HTTPBadRequest(explanation=error.format_message())
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except exception.NotFound as e:
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return exc.HTTPNotFound(explanation=e.format_message())
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except (exception.InstanceInvalidState,
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exception.InstanceNotReady) as e:
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# TODO(mriedem) InstanceInvalidState and InstanceNotReady would
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# normally result in a 409 but that would require bumping the
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# microversion, which we should just do in a single microversion
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# across all APIs when we fix status code wrinkles.
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raise exc.HTTPBadRequest(explanation=e.format_message())
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