110 lines
4.4 KiB
Python
110 lines
4.4 KiB
Python
# Copyright (c) 2016 Red Hat, Inc.
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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 oslo_utils import strutils
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from oslo_utils import timeutils
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from six.moves import http_client
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from cinder.api import microversions as mv
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from cinder.api.openstack import wsgi
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from cinder.api.schemas import workers
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from cinder.api.v3.views import workers as workers_view
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from cinder.api import validation
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from cinder import db
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from cinder import exception
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from cinder.i18n import _
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from cinder import objects
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from cinder.objects import cleanable
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from cinder.policies import workers as policy
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from cinder.scheduler import rpcapi as sch_rpc
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from cinder import utils
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class WorkerController(wsgi.Controller):
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def __init__(self, *args, **kwargs):
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self.sch_api = sch_rpc.SchedulerAPI()
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@wsgi.Controller.api_version(mv.WORKERS_CLEANUP)
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@wsgi.response(http_client.ACCEPTED)
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@validation.schema(workers.cleanup)
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def cleanup(self, req, body=None):
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"""Do the cleanup on resources from a specific service/host/node."""
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# Let the wsgi middleware convert NotAuthorized exceptions
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ctxt = req.environ['cinder.context']
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ctxt.authorize(policy.CLEAN_POLICY)
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body = body or {}
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for boolean in ('disabled', 'is_up'):
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if body.get(boolean) is not None:
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body[boolean] = strutils.bool_from_string(body[boolean])
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resource_type = body.get('resource_type')
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if resource_type:
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resource_type = resource_type.title()
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types = cleanable.CinderCleanableObject.cleanable_resource_types
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if resource_type not in types:
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valid_types = utils.build_or_str(types)
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msg = _('Resource type %(resource_type)s not valid,'
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' must be %(valid_types)s')
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msg = msg % {"resource_type": resource_type,
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"valid_types": valid_types}
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raise exception.InvalidInput(reason=msg)
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body['resource_type'] = resource_type
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resource_id = body.get('resource_id')
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if resource_id:
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# If we have the resource type but we don't have where it is
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# located, we get it from the DB to limit the distribution of the
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# request by the scheduler, otherwise it will be distributed to all
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# the services.
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location_keys = {'service_id', 'cluster_name', 'host'}
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if not location_keys.intersection(body):
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workers = db.worker_get_all(ctxt, resource_id=resource_id,
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binary=body.get('binary'),
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resource_type=resource_type)
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if len(workers) == 0:
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msg = (_('There is no resource with UUID %s pending '
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'cleanup.'), resource_id)
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raise exception.InvalidInput(reason=msg)
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if len(workers) > 1:
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msg = (_('There are multiple resources with UUID %s '
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'pending cleanup. Please be more specific.'),
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resource_id)
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raise exception.InvalidInput(reason=msg)
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worker = workers[0]
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body.update(service_id=worker.service_id,
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resource_type=worker.resource_type)
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body['until'] = timeutils.utcnow()
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# NOTE(geguileo): If is_up is not specified in the request
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# CleanupRequest's default will be used (False)
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cleanup_request = objects.CleanupRequest(**body)
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cleaning, unavailable = self.sch_api.work_cleanup(ctxt,
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cleanup_request)
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return {
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'cleaning': workers_view.ViewBuilder.service_list(cleaning),
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'unavailable': workers_view.ViewBuilder.service_list(unavailable),
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}
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def create_resource():
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return wsgi.Resource(WorkerController())
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