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							- # Copyright 2019 The 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.
 
- """Poll statistics from the server."""
 
- from __future__ import absolute_import
 
- from __future__ import division
 
- from __future__ import print_function
 
- import logging
 
- import argparse
 
- import grpc
 
- from grpc_channelz.v1 import channelz_pb2
 
- from grpc_channelz.v1 import channelz_pb2_grpc
 
- def run(addr):
 
-     with grpc.insecure_channel(addr) as channel:
 
-         channelz_stub = channelz_pb2_grpc.ChannelzStub(channel)
 
-         # This RPC pulls server-level metrics, like sent/received messages,
 
-         # succeeded/failed RPCs. For more info see:
 
-         # https://github.com/grpc/grpc/blob/master/src/proto/grpc/channelz/channelz.proto
 
-         response = channelz_stub.GetServers(channelz_pb2.GetServersRequest())
 
-         print(f'Info for all servers: {response}')
 
- def main():
 
-     parser = argparse.ArgumentParser()
 
-     parser.add_argument('--addr',
 
-                         nargs=1,
 
-                         type=str,
 
-                         default='[::]:50051',
 
-                         help='the address to request')
 
-     args = parser.parse_args()
 
-     run(addr=args.addr)
 
- if __name__ == '__main__':
 
-     logging.basicConfig()
 
-     main()
 
 
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