153 lines
5.4 KiB
Python
153 lines
5.4 KiB
Python
# Copyright 2011 OpenStack Foundation
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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 six.moves import http_client
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import webob
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from webob import exc
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from manila.api.openstack import wsgi
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from manila import exception
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from manila.i18n import _
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from manila import share
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class ShareMetadataController(object):
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"""The share metadata API controller for the OpenStack API."""
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def __init__(self):
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self.share_api = share.API()
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super(ShareMetadataController, self).__init__()
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def _get_metadata(self, context, share_id):
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try:
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share = self.share_api.get(context, share_id)
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meta = self.share_api.get_share_metadata(context, share)
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except exception.NotFound:
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msg = _('share does not exist')
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raise exc.HTTPNotFound(explanation=msg)
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return meta
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def index(self, req, share_id):
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"""Returns the list of metadata for a given share."""
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context = req.environ['manila.context']
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return {'metadata': self._get_metadata(context, share_id)}
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def create(self, req, share_id, body):
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try:
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metadata = body['metadata']
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except (KeyError, TypeError):
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msg = _("Malformed request body")
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raise exc.HTTPBadRequest(explanation=msg)
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context = req.environ['manila.context']
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new_metadata = self._update_share_metadata(context,
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share_id,
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metadata,
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delete=False)
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return {'metadata': new_metadata}
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def update(self, req, share_id, id, body):
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try:
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meta_item = body['meta']
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except (TypeError, KeyError):
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expl = _('Malformed request body')
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raise exc.HTTPBadRequest(explanation=expl)
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if id not in meta_item:
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expl = _('Request body and URI mismatch')
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raise exc.HTTPBadRequest(explanation=expl)
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if len(meta_item) > 1:
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expl = _('Request body contains too many items')
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raise exc.HTTPBadRequest(explanation=expl)
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context = req.environ['manila.context']
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self._update_share_metadata(context,
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share_id,
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meta_item,
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delete=False)
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return {'meta': meta_item}
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def update_all(self, req, share_id, body):
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try:
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metadata = body['metadata']
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except (TypeError, KeyError):
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expl = _('Malformed request body')
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raise exc.HTTPBadRequest(explanation=expl)
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context = req.environ['manila.context']
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new_metadata = self._update_share_metadata(context, share_id,
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metadata, delete=True)
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return {'metadata': new_metadata}
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def _update_share_metadata(self, context,
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share_id, metadata,
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delete=False):
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try:
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share = self.share_api.get(context, share_id)
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return self.share_api.update_share_metadata(context,
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share,
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metadata,
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delete)
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except exception.NotFound:
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msg = _('share does not exist')
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raise exc.HTTPNotFound(explanation=msg)
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except (ValueError, AttributeError):
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msg = _("Malformed request body")
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raise exc.HTTPBadRequest(explanation=msg)
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except exception.InvalidMetadata as error:
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raise exc.HTTPBadRequest(explanation=error.msg)
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except exception.InvalidMetadataSize as error:
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raise exc.HTTPBadRequest(explanation=error.msg)
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def show(self, req, share_id, id):
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"""Return a single metadata item."""
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context = req.environ['manila.context']
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data = self._get_metadata(context, share_id)
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try:
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return {'meta': {id: data[id]}}
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except KeyError:
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msg = _("Metadata item was not found")
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raise exc.HTTPNotFound(explanation=msg)
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def delete(self, req, share_id, id):
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"""Deletes an existing metadata."""
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context = req.environ['manila.context']
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metadata = self._get_metadata(context, share_id)
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if id not in metadata:
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msg = _("Metadata item was not found")
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raise exc.HTTPNotFound(explanation=msg)
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try:
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share = self.share_api.get(context, share_id)
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self.share_api.delete_share_metadata(context, share, id)
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except exception.NotFound:
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msg = _('share does not exist')
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raise exc.HTTPNotFound(explanation=msg)
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return webob.Response(status_int=http_client.OK)
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def create_resource():
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return wsgi.Resource(ShareMetadataController())
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