cyborg/cyborg/conductor/rpcapi.py

59 lines
1.9 KiB
Python

# Copyright 2017 Huawei Technologies Co.,LTD.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""Client side of the conductor RPC API."""
from oslo_config import cfg
import oslo_messaging as messaging
from cyborg.common import constants
from cyborg.common import rpc
from cyborg.objects import base as objects_base
CONF = cfg.CONF
class ConductorAPI(object):
"""Client side of the conductor RPC API.
API version history:
| 1.0 - Initial version.
"""
RPC_API_VERSION = '1.0'
def __init__(self, topic=None):
super(ConductorAPI, self).__init__()
self.topic = topic or constants.CONDUCTOR_TOPIC
target = messaging.Target(topic=self.topic,
version='1.0')
serializer = objects_base.CyborgObjectSerializer()
self.client = rpc.get_client(target,
version_cap=self.RPC_API_VERSION,
serializer=serializer)
def accelerator_create(self, context, acc_obj):
"""Signal to conductor service to create an accelerator.
:param context: request context.
:param acc_obj: a created (but not saved) accelerator object.
:returns: created accelerator object.
"""
cctxt = self.client.prepare(topic=self.topic, server=CONF.host)
return cctxt.call(context, 'accelerator_create', values=acc_obj)