252 lines
8.5 KiB
Python
252 lines
8.5 KiB
Python
# Copyright 2013 NetApp
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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 shares api."""
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import webob
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from webob import exc
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from manila.api import common
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from manila.api.openstack import wsgi
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from manila.api.views import shares as share_views
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from manila.api import xmlutil
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from manila.common import constants
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from manila import exception
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from manila.openstack.common import log as logging
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from manila.openstack.common import uuidutils
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from manila import share
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from manila.share import volume_types
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LOG = logging.getLogger(__name__)
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def make_share(elem):
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attrs = ['id', 'size', 'availability_zone', 'status', 'name',
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'description', 'share_proto', 'export_location', 'links',
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'snapshot_id', 'created_at', 'metadata']
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for attr in attrs:
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elem.set(attr)
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class ShareTemplate(xmlutil.TemplateBuilder):
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def construct(self):
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root = xmlutil.TemplateElement('share', selector='share')
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make_share(root)
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return xmlutil.MasterTemplate(root, 1)
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class SharesTemplate(xmlutil.TemplateBuilder):
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def construct(self):
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root = xmlutil.TemplateElement('shares')
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elem = xmlutil.SubTemplateElement(root, 'share', selector='shares')
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make_share(elem)
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return xmlutil.MasterTemplate(root, 1)
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class ShareController(wsgi.Controller):
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"""The Shares API controller for the OpenStack API."""
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_view_builder_class = share_views.ViewBuilder
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def __init__(self):
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super(ShareController, self).__init__()
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self.share_api = share.API()
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@wsgi.serializers(xml=ShareTemplate)
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def show(self, req, id):
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"""Return data about the given share."""
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context = req.environ['manila.context']
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try:
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share = self.share_api.get(context, id)
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except exception.NotFound:
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raise exc.HTTPNotFound()
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return self._view_builder.detail(req, share)
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def delete(self, req, id):
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"""Delete a share."""
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context = req.environ['manila.context']
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LOG.audit(_("Delete share with id: %s"), id, context=context)
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try:
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share = self.share_api.get(context, id)
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self.share_api.delete(context, share)
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except exception.NotFound:
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raise exc.HTTPNotFound()
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except exception.InvalidShare:
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raise exc.HTTPForbidden()
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return webob.Response(status_int=202)
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@wsgi.serializers(xml=SharesTemplate)
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def index(self, req):
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"""Returns a summary list of shares."""
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return self._get_shares(req, is_detail=False)
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@wsgi.serializers(xml=SharesTemplate)
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def detail(self, req):
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"""Returns a detailed list of shares."""
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return self._get_shares(req, is_detail=True)
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def _get_shares(self, req, is_detail):
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"""Returns a list of shares, transformed through view
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builder.
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"""
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context = req.environ['manila.context']
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search_opts = {}
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search_opts.update(req.GET)
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# NOTE(rushiagr): v2 API allows name instead of display_name
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if 'name' in search_opts:
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search_opts['display_name'] = search_opts['name']
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del search_opts['name']
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common.remove_invalid_options(
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context, search_opts, self._get_share_search_options())
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shares = self.share_api.get_all(context, search_opts=search_opts)
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limited_list = common.limited(shares, req)
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if is_detail:
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shares = self._view_builder.detail_list(req, limited_list)
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else:
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shares = self._view_builder.summary_list(req, limited_list)
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return shares
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def _get_share_search_options(self):
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"""Return share search options allowed by non-admin."""
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return ('name', 'status')
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@wsgi.serializers(xml=ShareTemplate)
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def update(self, req, id, body):
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"""Update a share."""
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context = req.environ['manila.context']
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if not body or 'share' not in body:
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raise exc.HTTPUnprocessableEntity()
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share_data = body['share']
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valid_update_keys = (
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'display_name',
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'display_description',
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)
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update_dict = dict([(key, share_data[key])
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for key in valid_update_keys
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if key in share_data])
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try:
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share = self.share_api.get(context, id)
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except exception.NotFound:
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raise exc.HTTPNotFound()
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share = self.share_api.update(context, share, update_dict)
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share.update(update_dict)
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return self._view_builder.detail(req, share)
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@wsgi.serializers(xml=ShareTemplate)
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def create(self, req, body):
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"""Creates a new share."""
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context = req.environ['manila.context']
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if not self.is_valid_body(body, 'share'):
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raise exc.HTTPUnprocessableEntity()
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share = body['share']
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# NOTE(rushiagr): v2 API allows name instead of display_name
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if share.get('name'):
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share['display_name'] = share.get('name')
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del share['name']
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# NOTE(rushiagr): v2 API allows description instead of
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# display_description
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if share.get('description'):
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share['display_description'] = share.get('description')
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del share['description']
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size = share['size']
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share_proto = share['share_proto'].upper()
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msg = (_("Create %(share_proto)s share of %(size)s GB") %
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{'share_proto': share_proto, 'size': size})
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LOG.audit(msg, context=context)
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kwargs = {}
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kwargs['availability_zone'] = share.get('availability_zone')
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kwargs['metadata'] = share.get('metadata', None)
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snapshot_id = share.get('snapshot_id')
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if snapshot_id:
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kwargs['snapshot'] = self.share_api.get_snapshot(context,
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snapshot_id)
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else:
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kwargs['snapshot'] = None
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share_network_id = share.get('share_network_id')
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if share_network_id:
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try:
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share_network = self.share_api.db.share_network_get(
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context,
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share_network_id)
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except exception.ShareNetworkNotFound as e:
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msg = "%s" % e
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raise exc.HTTPNotFound(explanation=msg)
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if share_network['status'] != constants.STATUS_ACTIVE:
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msg = _("Share network '%s' is not in 'ACTIVE' state.")
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msg = msg % share_network["id"]
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raise exc.HTTPBadRequest(explanation=msg)
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else:
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kwargs['share_network_id'] = share_network_id
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display_name = share.get('display_name')
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display_description = share.get('display_description')
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req_volume_type = share.get('volume_type', None)
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if req_volume_type:
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try:
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if not uuidutils.is_uuid_like(req_volume_type):
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kwargs['volume_type'] = \
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volume_types.get_volume_type_by_name(
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context, req_volume_type)
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else:
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kwargs['volume_type'] = volume_types.get_volume_type(
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context, req_volume_type)
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except exception.VolumeTypeNotFound:
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msg = _("Volume type not found.")
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raise exc.HTTPNotFound(explanation=msg)
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new_share = self.share_api.create(context,
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share_proto,
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size,
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display_name,
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display_description,
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**kwargs)
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# TODO(vish): Instance should be None at db layer instead of
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# trying to lazy load, but for now we turn it into
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# a dict to avoid an error.
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return self._view_builder.summary(req, dict(new_share.iteritems()))
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def create_resource():
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return wsgi.Resource(ShareController())
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