154 lines
5.3 KiB
Python
154 lines
5.3 KiB
Python
# Copyright (C) 2012 - 2014 EMC Corporation.
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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 cgsnapshots api."""
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from oslo_log import log as logging
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import webob
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from webob import exc
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from cinder.api import common
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from cinder.api import extensions
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from cinder.api.openstack import wsgi
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from cinder.api.views import cgsnapshots as cgsnapshot_views
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from cinder import consistencygroup as consistencygroupAPI
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from cinder import exception
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from cinder.i18n import _, _LI
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LOG = logging.getLogger(__name__)
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class CgsnapshotsController(wsgi.Controller):
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"""The cgsnapshots API controller for the OpenStack API."""
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_view_builder_class = cgsnapshot_views.ViewBuilder
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def __init__(self):
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self.cgsnapshot_api = consistencygroupAPI.API()
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super(CgsnapshotsController, self).__init__()
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def show(self, req, id):
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"""Return data about the given cgsnapshot."""
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LOG.debug('show called for member %s', id)
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context = req.environ['cinder.context']
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try:
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cgsnapshot = self.cgsnapshot_api.get_cgsnapshot(
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context,
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cgsnapshot_id=id)
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except exception.CgSnapshotNotFound as error:
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raise exc.HTTPNotFound(explanation=error.msg)
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return self._view_builder.detail(req, cgsnapshot)
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def delete(self, req, id):
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"""Delete a cgsnapshot."""
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LOG.debug('delete called for member %s', id)
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context = req.environ['cinder.context']
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LOG.info(_LI('Delete cgsnapshot with id: %s'), id, context=context)
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try:
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cgsnapshot = self.cgsnapshot_api.get_cgsnapshot(
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context,
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cgsnapshot_id=id)
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self.cgsnapshot_api.delete_cgsnapshot(context, cgsnapshot)
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except exception.CgSnapshotNotFound as error:
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raise exc.HTTPNotFound(explanation=error.msg)
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except exception.InvalidCgSnapshot:
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msg = _("Invalid cgsnapshot")
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raise exc.HTTPBadRequest(explanation=msg)
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except Exception:
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msg = _("Failed cgsnapshot")
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raise exc.HTTPBadRequest(explanation=msg)
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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 cgsnapshots."""
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return self._get_cgsnapshots(req, is_detail=False)
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def detail(self, req):
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"""Returns a detailed list of cgsnapshots."""
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return self._get_cgsnapshots(req, is_detail=True)
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def _get_cgsnapshots(self, req, is_detail):
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"""Returns a list of cgsnapshots, transformed through view builder."""
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context = req.environ['cinder.context']
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cgsnapshots = self.cgsnapshot_api.get_all_cgsnapshots(context)
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limited_list = common.limited(cgsnapshots, req)
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if is_detail:
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cgsnapshots = self._view_builder.detail_list(req, limited_list)
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else:
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cgsnapshots = self._view_builder.summary_list(req, limited_list)
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return cgsnapshots
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@wsgi.response(202)
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def create(self, req, body):
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"""Create a new cgsnapshot."""
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LOG.debug('Creating new cgsnapshot %s', body)
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self.assert_valid_body(body, 'cgsnapshot')
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context = req.environ['cinder.context']
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cgsnapshot = body['cgsnapshot']
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self.validate_name_and_description(cgsnapshot)
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try:
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group_id = cgsnapshot['consistencygroup_id']
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except KeyError:
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msg = _("'consistencygroup_id' must be specified")
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raise exc.HTTPBadRequest(explanation=msg)
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try:
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group = self.cgsnapshot_api.get(context, group_id)
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except exception.ConsistencyGroupNotFound as error:
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raise exc.HTTPNotFound(explanation=error.msg)
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name = cgsnapshot.get('name', None)
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description = cgsnapshot.get('description', None)
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LOG.info(_LI("Creating cgsnapshot %(name)s."),
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{'name': name},
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context=context)
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try:
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new_cgsnapshot = self.cgsnapshot_api.create_cgsnapshot(
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context, group, name, description)
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except exception.InvalidCgSnapshot as error:
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raise exc.HTTPBadRequest(explanation=error.msg)
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except exception.CgSnapshotNotFound as error:
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raise exc.HTTPNotFound(explanation=error.msg)
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retval = self._view_builder.summary(req, new_cgsnapshot)
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return retval
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class Cgsnapshots(extensions.ExtensionDescriptor):
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"""cgsnapshots support."""
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name = 'Cgsnapshots'
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alias = 'cgsnapshots'
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updated = '2014-08-18T00:00:00+00:00'
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def get_resources(self):
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resources = []
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res = extensions.ResourceExtension(
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Cgsnapshots.alias, CgsnapshotsController(),
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collection_actions={'detail': 'GET'})
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resources.append(res)
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return resources
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