cyborg/cyborg/agent/rpcapi.py

70 lines
2.2 KiB
Python

# -*- coding: utf-8 -*-
#
# 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
from cyborg import objects
CONF = cfg.CONF
class AgentAPI(object):
"""Client side of the Agent RPC API.
API version history:
| 1.0 - Initial version.
"""
RPC_API_VERSION = '1.0'
def __init__(self, topic=None):
super(AgentAPI, self).__init__()
self.topic = topic or constants.AGENT_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 hardware_list(self, context, values):
"""Signal the agent to find local hardware."""
pass
def program_fpga_with_bitstream(self,
context,
deployable_uuid,
bitstream_uuid):
"""Actiion to program a target FPGA"""
version = '1.0'
dpl_get = objects.Deployable.get(context, deployable_uuid)
if not dpl_get:
# TODO (Li Liu) throw an exception here
return 0
cctxt = self.client.prepare(server=dpl_get.host, version=version)
return cctxt.call(context, 'fpga_program',
deployable_uuid=deployable_uuid,
image_uuid=bitstream_uuid)