126 lines
5.2 KiB
Python
126 lines
5.2 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 timeutils
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from oslo_utils import uuidutils
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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.v3.views import workers as workers_view
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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.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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allowed_clean_keys = {'service_id', 'cluster_name', 'host', 'binary',
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'is_up', 'disabled', 'resource_id', 'resource_type',
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'until'}
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policy_checker = wsgi.Controller.get_policy_checker('workers')
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def __init__(self, *args, **kwargs):
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self.sch_api = sch_rpc.SchedulerAPI()
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def _prepare_params(self, ctxt, params, allowed):
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if not allowed.issuperset(params):
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invalid_keys = set(params).difference(allowed)
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msg = _('Invalid filter keys: %s') % ', '.join(invalid_keys)
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raise exception.InvalidInput(reason=msg)
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if params.get('binary') not in (None, 'cinder-volume',
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'cinder-scheduler'):
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msg = _('binary must be empty or set to cinder-volume or '
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'cinder-scheduler')
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raise exception.InvalidInput(reason=msg)
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for boolean in ('disabled', 'is_up'):
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if params.get(boolean) is not None:
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params[boolean] = utils.get_bool_param(boolean, params)
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resource_type = params.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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msg = (_('Resource type %s not valid, must be ') %
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resource_type)
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msg = utils.build_or_str(types, msg + '%s.')
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raise exception.InvalidInput(reason=msg)
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params['resource_type'] = resource_type
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resource_id = params.get('resource_id')
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if resource_id:
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if not uuidutils.is_uuid_like(resource_id):
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msg = (_('Resource ID must be a UUID, and %s is not.') %
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resource_id)
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raise exception.InvalidInput(reason=msg)
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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(params):
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workers = db.worker_get_all(ctxt, resource_id=resource_id,
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binary=params.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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params.update(service_id=worker.service_id,
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resource_type=worker.resource_type)
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return params
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@wsgi.Controller.api_version(mv.WORKERS_CLEANUP)
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@wsgi.response(202)
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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 = self.policy_checker(req, 'cleanup')
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body = body or {}
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params = self._prepare_params(ctxt, body, self.allowed_clean_keys)
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params['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(**params)
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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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