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# -*- 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.
import pecan
import oslo_messaging as messaging
from oslo_service import periodic_task
from cyborg.accelerator.drivers.modules import netronome
from cyborg.accelerator.drivers.fpga.base import FPGADriver
from cyborg.accelerator.drivers.gpu.base import GPUDriver
from cyborg.agent.resource_tracker import ResourceTracker
from cyborg.conductor import rpcapi as conductor_api
from cyborg import objects
from cyborg.conf import CONF
from oslo_log import log as logging
LOG = logging.getLogger(__name__)
class AgentManager(periodic_task.PeriodicTasks):
"""Cyborg Agent manager main class."""
RPC_API_VERSION = '1.0'
target = messaging.Target(version=RPC_API_VERSION)
def __init__(self, topic, host=None):
super(AgentManager, self).__init__(CONF)
#can only use in the same node, change it to RPC to conductor
self.conductor_api = conductor_api.ConductorAPI()
self.topic = topic
self.host = host or CONF.host
self.fpga_driver = FPGADriver()
self._rt = ResourceTracker(host, self.conductor_api)
self.gpu_driver = GPUDriver()
def periodic_tasks(self, context, raise_on_error=False):
# self.update_available_resource(context)
return self.run_periodic_tasks(context,raise_on_error=raise_on_error)
def hardware_list(self, context, values):
"""List installed hardware."""
pass
def fpga_program(self, context, accelerator, image):
"""Program a FPGA region, image can be a url or local file."""
#TODO Get image from glance
# And add claim and rollback logical
raise NotImplementedError()
@periodic_task.periodic_task(run_immediately=True)
def update_available_resource(self,context, startup=True):
"""update all kinds of accelerator resources from their drivers."""
driver = netronome.NETRONOMEDRIVER()
port_resource = driver.get_available_resource()
if port_resource:
self.conductor_api.port_bulk_create(context, port_resource)
self._rt.update_usage(context)
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