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# Copyright (C) 2018 Bloomberg LP 

# 

# 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. 

 

 

""" 

Bot Interface 

============= 

 

Interface to grpc 

""" 

 

import logging 

import grpc 

 

from buildgrid._protos.google.devtools.remoteworkers.v1test2 import bots_pb2, bots_pb2_grpc 

from buildgrid.settings import NETWORK_TIMEOUT 

 

 

class BotInterface: 

""" 

Interface handles calls to the server. 

""" 

 

def __init__(self, channel, interval, executing_interval): 

self.__logger = logging.getLogger(__name__) 

 

self._stub = bots_pb2_grpc.BotsStub(channel) 

self.__interval = interval 

self.__executing_interval = executing_interval 

 

@property 

def interval(self): 

return self.__interval 

 

@property 

def executing_interval(self): 

return self.__executing_interval 

 

def create_bot_session(self, parent, bot_session): 

""" Create bot session request 

Returns BotSession if correct else a grpc StatusCode 

""" 

request = bots_pb2.CreateBotSessionRequest(parent=parent, 

bot_session=bot_session) 

return self._bot_call(self._stub.CreateBotSession, request) 

 

def update_bot_session(self, bot_session, update_mask=None): 

""" Update bot session request 

Returns BotSession if correct else a grpc StatusCode 

""" 

request = bots_pb2.UpdateBotSessionRequest(name=bot_session.name, 

bot_session=bot_session, 

update_mask=update_mask) 

return self._bot_call(self._stub.UpdateBotSession, request) 

 

def _bot_call(self, call, request): 

try: 

return call(request, timeout=self.interval + NETWORK_TIMEOUT) 

except grpc.RpcError as e: 

self.__logger.error(e) 

return e.code()