155 lines
5.7 KiB
Python
155 lines
5.7 KiB
Python
# Copyright 2016 NTT Data.
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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_log import log as logging
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from oslo_utils import uuidutils
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from masakari.api import utils as api_utils
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from masakari import db
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from masakari import exception
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from masakari import objects
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from masakari.objects import base
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from masakari.objects import fields
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LOG = logging.getLogger(__name__)
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@base.MasakariObjectRegistry.register
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class FailoverSegment(base.MasakariPersistentObject, base.MasakariObject,
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base.MasakariObjectDictCompat):
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VERSION = '1.0'
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fields = {
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'id': fields.IntegerField(),
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'uuid': fields.UUIDField(),
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'name': fields.StringField(),
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'service_type': fields.StringField(),
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'description': fields.StringField(nullable=True),
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'recovery_method': fields.FailoverSegmentRecoveryMethodField(),
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}
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@staticmethod
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def _from_db_object(context, segment, db_segment):
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for key in segment.fields:
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setattr(segment, key, db_segment[key])
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segment._context = context
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segment.obj_reset_changes()
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return segment
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@base.remotable_classmethod
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def get_by_id(cls, context, id):
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db_inst = db.failover_segment_get_by_id(context, id)
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return cls._from_db_object(context, cls(), db_inst)
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@base.remotable_classmethod
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def get_by_uuid(cls, context, uuid):
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db_inst = db.failover_segment_get_by_uuid(context, uuid)
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return cls._from_db_object(context, cls(), db_inst)
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@base.remotable_classmethod
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def get_by_name(cls, context, name):
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db_inst = db.failover_segment_get_by_name(context, name)
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return cls._from_db_object(context, cls(), db_inst)
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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.masakari_obj_get_changes()
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if 'uuid' not in updates:
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updates['uuid'] = uuidutils.generate_uuid()
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LOG.debug('Generated uuid %(uuid)s for failover segment',
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dict(uuid=updates['uuid']))
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api_utils.notify_about_segment_api(self._context, self,
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action=fields.EventNotificationAction.SEGMENT_CREATE,
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phase=fields.EventNotificationPhase.START)
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db_segment = db.failover_segment_create(self._context, updates)
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api_utils.notify_about_segment_api(self._context, self,
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action=fields.EventNotificationAction.SEGMENT_CREATE,
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phase=fields.EventNotificationPhase.END)
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self._from_db_object(self._context, self, db_segment)
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@base.remotable
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def save(self):
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updates = self.masakari_obj_get_changes()
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updates.pop('id', None)
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api_utils.notify_about_segment_api(self._context, self,
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action=fields.EventNotificationAction.SEGMENT_UPDATE,
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phase=fields.EventNotificationPhase.START)
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db_segment = db.failover_segment_update(self._context,
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self.uuid, updates)
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api_utils.notify_about_segment_api(self._context, self,
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action=fields.EventNotificationAction.SEGMENT_UPDATE,
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phase=fields.EventNotificationPhase.END)
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self._from_db_object(self._context, self, db_segment)
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@base.remotable
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def destroy(self):
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if not self.obj_attr_is_set('id'):
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raise exception.ObjectActionError(action='destroy',
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reason='already destroyed')
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if not self.obj_attr_is_set('uuid'):
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raise exception.ObjectActionError(action='destroy',
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reason='no uuid')
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api_utils.notify_about_segment_api(self._context, self,
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action=fields.EventNotificationAction.SEGMENT_DELETE,
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phase=fields.EventNotificationPhase.START)
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db.failover_segment_delete(self._context, self.uuid)
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api_utils.notify_about_segment_api(self._context, self,
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action=fields.EventNotificationAction.SEGMENT_DELETE,
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phase=fields.EventNotificationPhase.END)
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delattr(self, base.get_attrname('id'))
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def is_under_recovery(self, filters=None):
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return db.is_failover_segment_under_recovery(self._context, self.uuid,
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filters=filters)
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@base.MasakariObjectRegistry.register
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class FailoverSegmentList(base.ObjectListBase, base.MasakariObject):
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VERSION = '1.0'
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fields = {
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'objects': fields.ListOfObjectsField('FailoverSegment'),
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}
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@base.remotable_classmethod
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def get_all(cls, ctxt, filters=None, sort_keys=None,
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sort_dirs=None, limit=None, marker=None):
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groups = db.failover_segment_get_all_by_filters(ctxt, filters=filters,
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sort_keys=sort_keys,
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sort_dirs=sort_dirs,
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limit=limit,
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marker=marker)
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return base.obj_make_list(ctxt, cls(ctxt), objects.FailoverSegment,
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groups)
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