241 lines
10 KiB
Python
241 lines
10 KiB
Python
# coding=utf-8
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#
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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 uuidutils
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from oslo_versionedobjects import base as object_base
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from ironic.common import exception
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from ironic.db import api as dbapi
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from ironic.objects import base
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from ironic.objects import fields as object_fields
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from ironic.objects import notification
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@base.IronicObjectRegistry.register
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class Chassis(base.IronicObject, object_base.VersionedObjectDictCompat):
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# Version 1.0: Initial version
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# Version 1.1: Add get() and get_by_id() and make get_by_uuid()
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# only work with a uuid
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# Version 1.2: Add create() and destroy()
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# Version 1.3: Add list()
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VERSION = '1.3'
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dbapi = dbapi.get_instance()
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fields = {
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'id': object_fields.IntegerField(),
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'uuid': object_fields.UUIDField(nullable=True),
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'extra': object_fields.FlexibleDictField(nullable=True),
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'description': object_fields.StringField(nullable=True),
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}
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# NOTE(xek): We don't want to enable RPC on this call just yet. Remotable
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# methods can be used in the future to replace current explicit RPC calls.
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# Implications of calling new remote procedures should be thought through.
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# @object_base.remotable_classmethod
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@classmethod
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def get(cls, context, chassis_id):
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"""Find a chassis based on its id or uuid and return a Chassis object.
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:param context: Security context
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:param chassis_id: the id *or* uuid of a chassis.
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:returns: a :class:`Chassis` object.
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"""
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if strutils.is_int_like(chassis_id):
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return cls.get_by_id(context, chassis_id)
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elif uuidutils.is_uuid_like(chassis_id):
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return cls.get_by_uuid(context, chassis_id)
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else:
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raise exception.InvalidIdentity(identity=chassis_id)
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# NOTE(xek): We don't want to enable RPC on this call just yet. Remotable
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# methods can be used in the future to replace current explicit RPC calls.
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# Implications of calling new remote procedures should be thought through.
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# @object_base.remotable_classmethod
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@classmethod
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def get_by_id(cls, context, chassis_id):
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"""Find a chassis based on its integer ID and return a Chassis object.
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:param cls: the :class:`Chassis`
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:param context: Security context
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:param chassis_id: the ID of a chassis.
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:returns: a :class:`Chassis` object.
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"""
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db_chassis = cls.dbapi.get_chassis_by_id(chassis_id)
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chassis = cls._from_db_object(context, cls(), db_chassis)
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return chassis
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# NOTE(xek): We don't want to enable RPC on this call just yet. Remotable
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# methods can be used in the future to replace current explicit RPC calls.
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# Implications of calling new remote procedures should be thought through.
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# @object_base.remotable_classmethod
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@classmethod
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def get_by_uuid(cls, context, uuid):
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"""Find a chassis based on UUID and return a :class:`Chassis` object.
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:param cls: the :class:`Chassis`
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:param context: Security context
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:param uuid: the UUID of a chassis.
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:returns: a :class:`Chassis` object.
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"""
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db_chassis = cls.dbapi.get_chassis_by_uuid(uuid)
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chassis = cls._from_db_object(context, cls(), db_chassis)
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return chassis
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# NOTE(xek): We don't want to enable RPC on this call just yet. Remotable
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# methods can be used in the future to replace current explicit RPC calls.
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# Implications of calling new remote procedures should be thought through.
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# @object_base.remotable_classmethod
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@classmethod
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def list(cls, context, limit=None, marker=None,
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sort_key=None, sort_dir=None):
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"""Return a list of Chassis objects.
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:param cls: the :class:`Chassis`
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:param context: Security context.
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:param limit: maximum number of resources to return in a single result.
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:param marker: pagination marker for large data sets.
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:param sort_key: column to sort results by.
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:param sort_dir: direction to sort. "asc" or "desc".
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:returns: a list of :class:`Chassis` object.
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"""
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db_chassis = cls.dbapi.get_chassis_list(limit=limit,
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marker=marker,
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sort_key=sort_key,
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sort_dir=sort_dir)
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return cls._from_db_object_list(context, db_chassis)
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# NOTE(xek): We don't want to enable RPC on this call just yet. Remotable
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# methods can be used in the future to replace current explicit RPC calls.
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# Implications of calling new remote procedures should be thought through.
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# @object_base.remotable
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def create(self, context=None):
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"""Create a Chassis record in the DB.
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Column-wise updates will be made based on the result of
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self.what_changed(). If target_power_state is provided,
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it will be checked against the in-database copy of the
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chassis before updates are made.
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:param context: Security context. NOTE: This should only
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be used internally by the indirection_api.
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Unfortunately, RPC requires context as the first
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argument, even though we don't use it.
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A context should be set when instantiating the
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object, e.g.: Chassis(context)
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"""
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values = self.do_version_changes_for_db()
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db_chassis = self.dbapi.create_chassis(values)
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self._from_db_object(self._context, self, db_chassis)
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# NOTE(xek): We don't want to enable RPC on this call just yet. Remotable
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# methods can be used in the future to replace current explicit RPC calls.
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# Implications of calling new remote procedures should be thought through.
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# @object_base.remotable
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def destroy(self, context=None):
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"""Delete the Chassis from the DB.
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:param context: Security context. NOTE: This should only
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be used internally by the indirection_api.
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Unfortunately, RPC requires context as the first
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argument, even though we don't use it.
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A context should be set when instantiating the
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object, e.g.: Chassis(context)
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"""
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self.dbapi.destroy_chassis(self.uuid)
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self.obj_reset_changes()
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# NOTE(xek): We don't want to enable RPC on this call just yet. Remotable
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# methods can be used in the future to replace current explicit RPC calls.
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# Implications of calling new remote procedures should be thought through.
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# @object_base.remotable
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def save(self, context=None):
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"""Save updates to this Chassis.
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Updates will be made column by column based on the result
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of self.what_changed().
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:param context: Security context. NOTE: This should only
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be used internally by the indirection_api.
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Unfortunately, RPC requires context as the first
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argument, even though we don't use it.
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A context should be set when instantiating the
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object, e.g.: Chassis(context)
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"""
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updates = self.do_version_changes_for_db()
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updated_chassis = self.dbapi.update_chassis(self.uuid, updates)
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self._from_db_object(self._context, self, updated_chassis)
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# NOTE(xek): We don't want to enable RPC on this call just yet. Remotable
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# methods can be used in the future to replace current explicit RPC calls.
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# Implications of calling new remote procedures should be thought through.
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# @object_base.remotable
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def refresh(self, context=None):
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"""Loads and applies updates for this Chassis.
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Loads a :class:`Chassis` with the same uuid from the database and
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checks for updated attributes. Updates are applied from
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the loaded chassis column by column, if there are any updates.
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:param context: Security context. NOTE: This should only
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be used internally by the indirection_api.
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Unfortunately, RPC requires context as the first
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argument, even though we don't use it.
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A context should be set when instantiating the
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object, e.g.: Chassis(context)
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"""
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current = self.get_by_uuid(self._context, uuid=self.uuid)
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self.obj_refresh(current)
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@base.IronicObjectRegistry.register
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class ChassisCRUDNotification(notification.NotificationBase):
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"""Notification emitted when ironic creates, updates, deletes a chassis."""
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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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'payload': object_fields.ObjectField('ChassisCRUDPayload')
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}
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@base.IronicObjectRegistry.register
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class ChassisCRUDPayload(notification.NotificationPayloadBase):
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# Version 1.0: Initial version
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VERSION = '1.0'
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SCHEMA = {
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'description': ('chassis', 'description'),
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'extra': ('chassis', 'extra'),
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'created_at': ('chassis', 'created_at'),
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'updated_at': ('chassis', 'updated_at'),
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'uuid': ('chassis', 'uuid')
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}
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fields = {
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'description': object_fields.StringField(nullable=True),
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'extra': object_fields.FlexibleDictField(nullable=True),
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'created_at': object_fields.DateTimeField(nullable=True),
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'updated_at': object_fields.DateTimeField(nullable=True),
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'uuid': object_fields.UUIDField()
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}
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def __init__(self, chassis, **kwargs):
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super(ChassisCRUDPayload, self).__init__(**kwargs)
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self.populate_schema(chassis=chassis)
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