290 lines
13 KiB
Python
290 lines
13 KiB
Python
# Copyright (c) 2015 Hitachi, Ltd.
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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 db_api
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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 VolumeConnector(base.IronicObject,
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object_base.VersionedObjectDictCompat):
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# Version 1.0: Initial version
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VERSION = '1.0'
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dbapi = db_api.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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'node_id': object_fields.IntegerField(nullable=True),
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'type': object_fields.StringField(nullable=True),
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'connector_id': object_fields.StringField(nullable=True),
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'extra': object_fields.FlexibleDictField(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, ident):
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"""Find a volume connector based on its ID or UUID.
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:param context: security context
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:param ident: the database primary key ID *or* the UUID of a volume
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connector
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:returns: a :class:`VolumeConnector` object
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:raises: InvalidIdentity if ident is neither an integer ID nor a UUID
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:raises: VolumeConnectorNotFound if no volume connector exists with
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the specified ident
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"""
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if strutils.is_int_like(ident):
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return cls.get_by_id(context, ident)
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elif uuidutils.is_uuid_like(ident):
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return cls.get_by_uuid(context, ident)
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else:
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raise exception.InvalidIdentity(identity=ident)
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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, db_id):
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"""Find a volume connector based on its integer ID.
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:param cls: the :class:`VolumeConnector`
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:param context: Security context.
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:param db_id: The integer (database primary key) ID of a
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volume connector.
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:returns: A :class:`VolumeConnector` object.
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:raises: VolumeConnectorNotFound if no volume connector exists with
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the specified ID.
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"""
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db_connector = cls.dbapi.get_volume_connector_by_id(db_id)
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connector = cls._from_db_object(context, cls(), db_connector)
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return connector
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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 volume connector based on its UUID.
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:param cls: the :class:`VolumeConnector`
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:param context: security context
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:param uuid: the UUID of a volume connector
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:returns: a :class:`VolumeConnector` object
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:raises: VolumeConnectorNotFound if no volume connector exists with
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the specified UUID
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"""
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db_connector = cls.dbapi.get_volume_connector_by_uuid(uuid)
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connector = cls._from_db_object(context, cls(), db_connector)
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return connector
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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, project=None):
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"""Return a list of VolumeConnector objects.
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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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:param project: The associated node project to search with.
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:returns: a list of :class:`VolumeConnector` objects
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:raises: InvalidParameterValue if sort_key does not exist
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"""
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db_connectors = cls.dbapi.get_volume_connector_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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project=project)
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return cls._from_db_object_list(context, db_connectors)
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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_by_node_id(cls, context, node_id, limit=None, marker=None,
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sort_key=None, sort_dir=None, project=None):
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"""Return a list of VolumeConnector objects related to a given node ID.
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:param context: security context
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:param node_id: the integer ID of the node
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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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:param project: The associated node project to search with.
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:returns: a list of :class:`VolumeConnector` objects
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:returns: a list of :class:`VolumeConnector` objects
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:raises: InvalidParameterValue if sort_key does not exist
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"""
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db_connectors = cls.dbapi.get_volume_connectors_by_node_id(
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node_id,
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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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project=project)
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return cls._from_db_object_list(context, db_connectors)
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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 VolumeConnector record in 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.: VolumeConnector(context).
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:raises: VolumeConnectorTypeAndIdAlreadyExists if a volume
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connector already exists with the same type and connector_id
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:raises: VolumeConnectorAlreadyExists if a volume connector with the
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same UUID already exists
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"""
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values = self.do_version_changes_for_db()
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db_connector = self.dbapi.create_volume_connector(values)
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self._from_db_object(self._context, self, db_connector)
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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 VolumeConnector 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.: VolumeConnector(context).
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:raises: VolumeConnectorNotFound if the volume connector cannot be
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found
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"""
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self.dbapi.destroy_volume_connector(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 VolumeConnector.
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Updates will be made column by column based on the result
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of self.do_version_changes_for_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.: VolumeConnector(context).
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:raises: VolumeConnectorNotFound if the volume connector cannot be
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found
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:raises: VolumeConnectorTypeAndIdAlreadyExists if another connector
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already exists with the same values for type and connector_id
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fields
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:raises: InvalidParameterValue when the UUID is being changed
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"""
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updates = self.do_version_changes_for_db()
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updated_connector = self.dbapi.update_volume_connector(self.uuid,
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updates)
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self._from_db_object(self._context, self, updated_connector)
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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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"""Load updates for this VolumeConnector.
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Load a volume connector with the same UUID from the database
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and check for updated attributes. If there are any updates,
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they are applied from the loaded volume connector, column by column.
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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.: VolumeConnector(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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self.obj_reset_changes()
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@base.IronicObjectRegistry.register
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class VolumeConnectorCRUDNotification(notification.NotificationBase):
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"""Notification emitted at CRUD of a volume connector."""
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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('VolumeConnectorCRUDPayload')
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}
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@base.IronicObjectRegistry.register
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class VolumeConnectorCRUDPayload(notification.NotificationPayloadBase):
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"""Payload schema for CRUD of a volume connector."""
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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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'extra': ('connector', 'extra'),
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'type': ('connector', 'type'),
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'connector_id': ('connector', 'connector_id'),
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'created_at': ('connector', 'created_at'),
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'updated_at': ('connector', 'updated_at'),
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'uuid': ('connector', 'uuid'),
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}
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fields = {
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'extra': object_fields.FlexibleDictField(nullable=True),
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'type': object_fields.StringField(nullable=True),
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'connector_id': object_fields.StringField(nullable=True),
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'node_uuid': object_fields.UUIDField(),
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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, connector, node_uuid):
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super(VolumeConnectorCRUDPayload, self).__init__(node_uuid=node_uuid)
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self.populate_schema(connector=connector)
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