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# Copyright 2015 gRPC authors.
#
# 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.
"""The Python implementation of the GRPC helloworld.Greeter server."""
from concurrent import futures
import time
import logging
import subprocess
import re
import grpc
import helloworld_pb2
import helloworld_pb2_grpc
_ONE_DAY_IN_SECONDS = 60 * 60 * 24
IP_REGEX = re.compile(r'.*(inet (.*) brd).*')
class Greeter(helloworld_pb2_grpc.GreeterServicer):
def SayHello(self, request, context):
return helloworld_pb2.HelloReply(message='Hello, %s!' % request.name)
def IsPalindromic(self, request, context):
name = request.name.lower()
return helloworld_pb2.CheckReply(result=all(name[i] == name[-(i + 1)] for i in [0, len(name) -1]))
def serve():
out = subprocess.run(["ip", "add", "show"], stdout=subprocess.PIPE)
ip_used = IP_REGEX.match(str(out.stdout))
print(f'Container running on IP: {ip_used.group(2)}')
server = grpc.server(futures.ThreadPoolExecutor(max_workers=10))
helloworld_pb2_grpc.add_GreeterServicer_to_server(Greeter(), server)
server.add_insecure_port('[::]:50051')
server.start()
try:
while True:
time.sleep(_ONE_DAY_IN_SECONDS)
except KeyboardInterrupt:
server.stop(0)
if __name__ == '__main__':
logging.basicConfig()
serve()
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