2018-06-14 19:30:50 +00:00
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import grpc
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import demo_pb2
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import demo_pb2_grpc
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2018-06-14 19:45:44 +00:00
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from concurrent import futures
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import time
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2018-06-14 23:10:11 +00:00
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import random
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2018-06-21 05:37:56 +00:00
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import os
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2018-06-14 19:30:50 +00:00
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2018-06-14 19:45:44 +00:00
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class RecommendationService(demo_pb2_grpc.RecommendationServiceServicer):
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def ListRecommendations(self, request, context):
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2018-06-14 22:31:06 +00:00
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print("handling request")
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2018-06-14 19:45:44 +00:00
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response = demo_pb2.ListRecommendationsResponse()
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2018-06-14 22:31:06 +00:00
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prod_list = []
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2018-06-14 23:10:11 +00:00
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for i in range(5):
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prod_list.append(str(random.randint(1,100)))
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response.product_ids.extend(prod_list)
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2018-06-14 19:45:44 +00:00
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return response
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if __name__ == "__main__":
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2018-06-21 05:37:56 +00:00
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# get port from $PORT envar
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port = os.environ.get('PORT', "8080")
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# get product catalog service address from $PRODUCT_CATALOG_SERVICE_ADDR envar
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catalog_addr = os.environ.get('PRODUCT_CATALOG_SERVICE_ADDR', "localhost:8081")
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print("product catalog address: " + catalog_addr)
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print("listening on port: " + port)
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2018-06-14 22:52:41 +00:00
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2018-06-14 19:45:44 +00:00
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# create gRPC server
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server = grpc.server(futures.ThreadPoolExecutor(max_workers=10))
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# add class to gRPC server
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demo_pb2_grpc.add_RecommendationServiceServicer_to_server(RecommendationService(), server)
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# start server
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2018-06-14 22:52:41 +00:00
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server.add_insecure_port('[::]:'+port)
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2018-06-14 19:45:44 +00:00
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server.start()
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# keep alive
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try:
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while True:
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2018-06-14 22:31:06 +00:00
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time.sleep(10000)
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2018-06-14 19:45:44 +00:00
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except KeyboardInterrupt:
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server.stop(0)
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