268 lines
9.4 KiB
Python
268 lines
9.4 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 ast
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from oslo_log import log
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from oslo_utils import uuidutils
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import six
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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 import exception
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from manila.i18n import _
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from manila.i18n import _LI
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from manila import share
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from manila.share import share_types
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LOG = log.getLogger(__name__)
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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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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.info(_LI("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 as e:
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raise exc.HTTPForbidden(explanation=six.text_type(e))
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return webob.Response(status_int=202)
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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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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 builder."""
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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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# Remove keys that are not related to share attrs
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search_opts.pop('limit', None)
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search_opts.pop('offset', None)
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sort_key = search_opts.pop('sort_key', 'created_at')
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sort_dir = search_opts.pop('sort_dir', 'desc')
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# Deserialize dicts
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if 'metadata' in search_opts:
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search_opts['metadata'] = ast.literal_eval(search_opts['metadata'])
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if 'extra_specs' in search_opts:
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search_opts['extra_specs'] = ast.literal_eval(
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search_opts['extra_specs'])
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# NOTE(vponomaryov): Manila stores in DB key 'display_name', but
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# allows to use both keys 'name' and 'display_name'. It is leftover
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# from Cinder v1 and v2 APIs.
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if 'name' in search_opts:
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search_opts['display_name'] = search_opts.pop('name')
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if sort_key == 'name':
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sort_key = 'display_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(
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context, search_opts=search_opts, sort_key=sort_key,
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sort_dir=sort_dir)
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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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# NOTE(vponomaryov): share_server_id depends on policy, allow search
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# by it for non-admins in case policy changed.
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# Also allow search by extra_specs in case policy
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# for it allows non-admin access.
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return (
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'display_name', 'status', 'share_server_id', 'volume_type_id',
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'share_type_id', 'snapshot_id', 'host', 'share_network_id',
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'is_public', 'metadata', 'extra_specs', 'sort_key', 'sort_dir',
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)
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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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'is_public',
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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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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 = (_LI("Create %(share_proto)s share of %(size)s GB") %
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{'share_proto': share_proto, 'size': size})
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LOG.info(msg, context=context)
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kwargs = {
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'availability_zone': share.get('availability_zone'),
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'metadata': share.get('metadata'),
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'is_public': share.get('is_public', False),
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}
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snapshot_id = share.get('snapshot_id')
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if snapshot_id:
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snapshot = self.share_api.get_snapshot(context, snapshot_id)
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else:
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snapshot = None
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kwargs['snapshot'] = snapshot
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share_network_id = share.get('share_network_id')
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if snapshot:
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# Need to check that share_network_id from snapshot's
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# parents share equals to share_network_id from args.
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# If share_network_id is empty than update it with
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# share_network_id of parent share.
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parent_share = self.share_api.get(context, snapshot['share_id'])
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parent_share_net_id = parent_share['share_network_id']
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if share_network_id:
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if share_network_id != parent_share_net_id:
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msg = "Share network ID should be the same as snapshot's" \
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" parent share's or empty"
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raise exc.HTTPBadRequest(explanation=msg)
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elif parent_share_net_id:
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share_network_id = parent_share_net_id
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if share_network_id:
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try:
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self.share_api.get_share_network(
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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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raise exc.HTTPNotFound(explanation=six.text_type(e))
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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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if 'share_type' in share and 'volume_type' in share:
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msg = 'Cannot specify both share_type and volume_type'
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raise exc.HTTPBadRequest(explanation=msg)
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req_share_type = share.get('share_type', share.get('volume_type'))
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if req_share_type:
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try:
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if not uuidutils.is_uuid_like(req_share_type):
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kwargs['share_type'] = \
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share_types.get_share_type_by_name(
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context, req_share_type)
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else:
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kwargs['share_type'] = share_types.get_share_type(
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context, req_share_type)
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except exception.ShareTypeNotFound:
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msg = _("Share type not found.")
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raise exc.HTTPNotFound(explanation=msg)
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elif not snapshot:
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def_share_type = share_types.get_default_share_type()
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if def_share_type:
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kwargs['share_type'] = def_share_type
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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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return self._view_builder.detail(req, dict(six.iteritems(new_share)))
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def create_resource():
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return wsgi.Resource(ShareController())
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