236 lines
8.3 KiB
Python
236 lines
8.3 KiB
Python
# Copyright 2015 Alex Meade
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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 consistency groups snapshot API."""
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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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import manila.api.views.cgsnapshots as cg_views
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import manila.consistency_group.api as cg_api
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from manila import db
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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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LOG = log.getLogger(__name__)
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class CGSnapshotController(wsgi.Controller, wsgi.AdminActionsMixin):
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"""The Consistency Group Snapshots API controller for the OpenStack API."""
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resource_name = 'cgsnapshot'
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_view_builder_class = cg_views.CGSnapshotViewBuilder
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def __init__(self):
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super(CGSnapshotController, self).__init__()
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self.cg_api = cg_api.API()
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@wsgi.Controller.api_version('2.4', experimental=True)
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@wsgi.Controller.authorize('get_cgsnapshot')
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def show(self, req, id):
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"""Return data about the given cgsnapshot."""
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context = req.environ['manila.context']
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try:
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cg = self.cg_api.get_cgsnapshot(context, id)
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except exception.NotFound:
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msg = _("Consistency group snapshot %s not found.") % id
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raise exc.HTTPNotFound(explanation=msg)
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return self._view_builder.detail(req, cg)
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@wsgi.Controller.api_version('2.4', experimental=True)
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@wsgi.Controller.authorize
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def delete(self, req, id):
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"""Delete a cgsnapshot."""
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context = req.environ['manila.context']
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LOG.info(_LI("Delete consistency group snapshot with id: %s"), id,
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context=context)
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try:
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snap = self.cg_api.get_cgsnapshot(context, id)
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except exception.NotFound:
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msg = _("Consistency group snapshot %s not found.") % id
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raise exc.HTTPNotFound(explanation=msg)
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try:
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self.cg_api.delete_cgsnapshot(context, snap)
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except exception.InvalidCGSnapshot as e:
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raise exc.HTTPConflict(explanation=six.text_type(e))
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return webob.Response(status_int=202)
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@wsgi.Controller.api_version('2.4', experimental=True)
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@wsgi.Controller.authorize('get_all')
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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_cgs(req, is_detail=False)
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@wsgi.Controller.api_version('2.4', experimental=True)
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@wsgi.Controller.authorize('get_all')
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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_cgs(req, is_detail=True)
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def _get_cgs(self, req, is_detail):
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"""Returns a list of cgsnapshots."""
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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 cg attrs
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search_opts.pop('limit', None)
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search_opts.pop('offset', None)
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snaps = self.cg_api.get_all_cgsnapshots(
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context, detailed=is_detail, search_opts=search_opts)
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limited_list = common.limited(snaps, req)
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if is_detail:
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snaps = self._view_builder.detail_list(req, limited_list)
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else:
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snaps = self._view_builder.summary_list(req, limited_list)
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return snaps
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@wsgi.Controller.api_version('2.4', experimental=True)
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@wsgi.Controller.authorize
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def update(self, req, id, body):
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"""Update a cgsnapshot."""
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context = req.environ['manila.context']
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if not self.is_valid_body(body, 'cgsnapshot'):
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msg = _("'cgsnapshot' is missing from the request body")
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raise exc.HTTPBadRequest(explanation=msg)
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cg_data = body['cgsnapshot']
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valid_update_keys = {
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'name',
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'description',
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}
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invalid_fields = set(cg_data.keys()) - valid_update_keys
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if invalid_fields:
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msg = _("The fields %s are invalid or not allowed to be updated.")
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raise exc.HTTPBadRequest(explanation=msg % invalid_fields)
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try:
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cg = self.cg_api.get_cgsnapshot(context, id)
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except exception.NotFound:
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msg = _("Consistency group snapshot %s not found.") % id
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raise exc.HTTPNotFound(explanation=msg)
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cg = self.cg_api.update_cgsnapshot(context, cg, cg_data)
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return self._view_builder.detail(req, cg)
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@wsgi.Controller.api_version('2.4', experimental=True)
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@wsgi.response(202)
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@wsgi.Controller.authorize
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def create(self, req, body):
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"""Creates a new cgsnapshot."""
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context = req.environ['manila.context']
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if not self.is_valid_body(body, 'cgsnapshot'):
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msg = _("'cgsnapshot' is missing from the request body")
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raise exc.HTTPBadRequest(explanation=msg)
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cgsnapshot = body.get('cgsnapshot')
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if not cgsnapshot.get('consistency_group_id'):
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msg = _("Must supply 'consistency_group_id' attribute.")
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raise exc.HTTPBadRequest(explanation=msg)
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consistency_group_id = cgsnapshot.get('consistency_group_id')
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if (consistency_group_id and
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not uuidutils.is_uuid_like(consistency_group_id)):
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msg = _("The 'consistency_group_id' attribute must be a uuid.")
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raise exc.HTTPBadRequest(explanation=six.text_type(msg))
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kwargs = {"consistency_group_id": consistency_group_id}
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if 'name' in cgsnapshot:
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kwargs['name'] = cgsnapshot.get('name')
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if 'description' in cgsnapshot:
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kwargs['description'] = cgsnapshot.get('description')
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try:
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new_snapshot = self.cg_api.create_cgsnapshot(context, **kwargs)
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except exception.ConsistencyGroupNotFound as e:
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raise exc.HTTPBadRequest(explanation=six.text_type(e))
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except exception.InvalidConsistencyGroup as e:
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raise exc.HTTPConflict(explanation=six.text_type(e))
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return self._view_builder.detail(req, dict(new_snapshot.items()))
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@wsgi.Controller.api_version('2.4', experimental=True)
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@wsgi.Controller.authorize('get_cgsnapshot')
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def members(self, req, id):
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"""Returns a list of cgsnapshot members."""
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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 cg attrs
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search_opts.pop('limit', None)
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search_opts.pop('offset', None)
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snaps = self.cg_api.get_all_cgsnapshot_members(context, id)
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limited_list = common.limited(snaps, req)
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snaps = self._view_builder.member_list(req, limited_list)
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return snaps
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def _update(self, *args, **kwargs):
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db.cgsnapshot_update(*args, **kwargs)
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def _get(self, *args, **kwargs):
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return self.cg_api.get_cgsnapshot(*args, **kwargs)
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def _delete(self, context, resource, force=True):
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db.cgsnapshot_destroy(context.elevated(), resource['id'])
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@wsgi.Controller.api_version('2.4', '2.6', experimental=True)
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@wsgi.action('os-reset_status')
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def cgsnapshot_reset_status_legacy(self, req, id, body):
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return self._reset_status(req, id, body)
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@wsgi.Controller.api_version('2.7', experimental=True)
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@wsgi.action('reset_status')
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def cgsnapshot_reset_status(self, req, id, body):
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return self._reset_status(req, id, body)
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@wsgi.Controller.api_version('2.4', '2.6', experimental=True)
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@wsgi.action('os-force_delete')
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def cgsnapshot_force_delete_legacy(self, req, id, body):
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return self._force_delete(req, id, body)
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@wsgi.Controller.api_version('2.7', experimental=True)
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@wsgi.action('force_delete')
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def cgsnapshot_force_delete(self, req, id, body):
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return self._force_delete(req, id, body)
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def create_resource():
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return wsgi.Resource(CGSnapshotController())
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