116 lines
4.1 KiB
Python
116 lines
4.1 KiB
Python
# 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_config import cfg
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from oslo_log import log as logging
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from oslo_versionedobjects import fields
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from karbor import db
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from karbor import exception
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from karbor.i18n import _
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from karbor import objects
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from karbor.objects import base
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CONF = cfg.CONF
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LOG = logging.getLogger(__name__)
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@base.KarborObjectRegistry.register
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class Service(base.KarborPersistentObject, base.KarborObject,
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base.KarborObjectDictCompat,
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base.KarborComparableObject):
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# Version 1.0: Initial version
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VERSION = '1.0'
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fields = {
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'id': fields.IntegerField(),
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'host': fields.StringField(nullable=True),
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'binary': fields.StringField(nullable=True),
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'topic': fields.StringField(nullable=True),
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'report_count': fields.IntegerField(default=0),
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'disabled': fields.BooleanField(default=False),
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'disabled_reason': fields.StringField(nullable=True),
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'modified_at': fields.DateTimeField(nullable=True),
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'rpc_current_version': fields.StringField(nullable=True),
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'rpc_available_version': fields.StringField(nullable=True),
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}
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@staticmethod
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def _from_db_object(context, service, db_service):
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for name, field in service.fields.items():
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value = db_service.get(name)
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if isinstance(field, fields.IntegerField):
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value = value or 0
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elif isinstance(field, fields.DateTimeField):
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value = value or None
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service[name] = value
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service._context = context
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service.obj_reset_changes()
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return service
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@base.remotable_classmethod
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def get_by_host_and_topic(cls, context, host, topic):
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db_service = db.service_get_by_host_and_topic(context, host, topic)
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return cls._from_db_object(context, cls(context), db_service)
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@base.remotable_classmethod
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def get_by_args(cls, context, host, binary_key):
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db_service = db.service_get_by_args(context, host, binary_key)
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return cls._from_db_object(context, cls(context), db_service)
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@base.remotable
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def create(self):
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if self.obj_attr_is_set('id'):
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raise exception.ObjectActionError(action='create',
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reason=_('already created'))
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updates = self.karbor_obj_get_changes()
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db_service = db.service_create(self._context, updates)
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self._from_db_object(self._context, self, db_service)
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@base.remotable
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def save(self):
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updates = self.karbor_obj_get_changes()
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if updates:
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db.service_update(self._context, self.id, updates)
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self.obj_reset_changes()
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@base.remotable
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def destroy(self):
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with self.obj_as_admin():
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db.service_destroy(self._context, self.id)
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@base.KarborObjectRegistry.register
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class ServiceList(base.ObjectListBase, base.KarborObject):
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VERSION = '1.0'
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fields = {
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'objects': fields.ListOfObjectsField('Service'),
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}
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child_versions = {
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'1.0': '1.0'
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}
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@base.remotable_classmethod
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def get_all(cls, context, filters=None):
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services = db.service_get_all(context, filters)
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return base.obj_make_list(context, cls(context), objects.Service,
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services)
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@base.remotable_classmethod
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def get_all_by_topic(cls, context, topic, disabled=None):
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services = db.service_get_all_by_topic(context, topic,
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disabled=disabled)
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return base.obj_make_list(context, cls(context), objects.Service,
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services)
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