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#!/usr/bin/python
#
# Copyright (C) 2019 Bell Canada.
#
# 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.
#
from builtins import KeyboardInterrupt
from concurrent import futures
import time
import sys
import grpc
import proto.CommandExecutor_pb2_grpc as CommandExecutor_pb2_grpc
from request_header_validator_interceptor import RequestHeaderValidatorInterceptor
from command_executor_handler import CommandExecutorHandler
import utils
_ONE_DAY_IN_SECONDS = 60 * 60 * 24
class CommandExecutorServer(CommandExecutor_pb2_grpc.CommandExecutorServiceServicer):
def prepareEnv(self, request, context):
blueprint_id = utils.get_blueprint_id(request)
print("{} - Received prepareEnv request".format(blueprint_id))
print (request)
results = []
handler = CommandExecutorHandler(request)
if not handler.prepare_env(request, results):
print("{} - Failed to prepare python environment. {}".format(blueprint_id, results))
return utils.build_response(request, results, False)
print("{} - Package installation logs {}".format(blueprint_id, results))
return utils.build_response(request, results)
def executeCommand(self, request, context):
blueprint_id = utils.get_blueprint_id(request)
print("{} - Received executeCommand request".format(blueprint_id))
print(request)
results = []
handler = CommandExecutorHandler(request)
if not handler.execute_command(request, results):
print("{} - Failed to executeCommand. {}".format(blueprint_id, results))
return utils.build_response(request, results, False)
print("{} - Execute command logs: {}".format(blueprint_id, results))
return utils.build_response(request, results)
def serve():
port = sys.argv[1]
basic_auth = sys.argv[2] + ' ' + sys.argv[3]
header_validator = RequestHeaderValidatorInterceptor(
'authorization', basic_auth, grpc.StatusCode.UNAUTHENTICATED,
'Access denied!')
server = grpc.server(
futures.ThreadPoolExecutor(max_workers=10),
interceptors=(header_validator,))
CommandExecutor_pb2_grpc.add_CommandExecutorServiceServicer_to_server(
CommandExecutorServer(), server)
server.add_insecure_port('[::]:' + port)
server.start()
print("Command Executor Server started on %s" % port)
try:
while True:
time.sleep(_ONE_DAY_IN_SECONDS)
except KeyboardInterrupt:
server.stop(0)
if __name__ == '__main__':
serve()
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