Add bi-directional GRPC python executor.
Python based bidirectional communication script executor microservice.
Issue-ID: CCSDK-1747
Signed-off-by: Brinda Santh <bs2796@att.com>
Change-Id: If2e8f862ca4cb97d10714df2ab1cccccef2d576a
diff --git a/ms/py-executor/server.py b/ms/py-executor/server.py
new file mode 100644
index 0000000..5c149d9
--- /dev/null
+++ b/ms/py-executor/server.py
@@ -0,0 +1,73 @@
+#!/usr/bin/python
+#
+# Copyright (C) 2019 Bell Canada.
+# Modifications Copyright © 2018-2019 AT&T Intellectual Property.
+#
+# 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 logging
+import time
+import grpc
+from pathlib import Path, PurePath
+from blueprints_grpc import BluePrintProcessing_pb2_grpc
+from blueprints_grpc.request_header_validator_interceptor import RequestHeaderValidatorInterceptor
+from blueprints_grpc.blueprint_processing_server import BluePrintProcessingServer
+from blueprints_grpc import ScriptExecutorConfiguration
+
+logger = logging.getLogger("Server")
+
+_ONE_DAY_IN_SECONDS = 60 * 60 * 24
+
+
+def serve(configuration: ScriptExecutorConfiguration):
+ port = configuration.script_executor_property('port')
+ basic_auth = configuration.script_executor_property('auth')
+ maxWorkers = configuration.script_executor_property('maxWorkers')
+
+ header_validator = RequestHeaderValidatorInterceptor(
+ 'authorization', basic_auth, grpc.StatusCode.UNAUTHENTICATED,
+ 'Access denied!')
+
+ server = grpc.server(futures.ThreadPoolExecutor(max_workers=int(maxWorkers)),
+ interceptors=(header_validator,))
+
+ BluePrintProcessing_pb2_grpc.add_BluePrintProcessingServiceServicer_to_server(
+ BluePrintProcessingServer(configuration), server)
+
+ server.add_insecure_port('[::]:' + port)
+ server.start()
+
+ logger.info("Command Executor Server started on %s" % port)
+
+ try:
+ while True:
+ time.sleep(_ONE_DAY_IN_SECONDS)
+ except KeyboardInterrupt:
+ server.stop(0)
+
+
+if __name__ == '__main__':
+ config_file = str(PurePath(Path().absolute())) + '/configuration.ini'
+ configuration = ScriptExecutorConfiguration(config_file)
+ logging_formater = '%(asctime)s - %(name)s - %(threadName)s - %(levelname)s - %(message)s'
+ logging.basicConfig(filename=configuration.script_executor_property('logFile'),
+ level=logging.DEBUG,
+ format=logging_formater)
+ console = logging.StreamHandler()
+ console.setLevel(logging.INFO)
+ formatter = logging.Formatter(logging_formater)
+ console.setFormatter(formatter)
+ logging.getLogger('').addHandler(console)
+ serve(configuration)