1# Copyright 2020 The gRPC Authors 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14"""Poll statistics from the server.""" 15 16import argparse 17import asyncio 18import logging 19 20import grpc 21from grpc_channelz.v1 import channelz_pb2 22from grpc_channelz.v1 import channelz_pb2_grpc 23 24 25async def run(addr: str) -> None: 26 async with grpc.aio.insecure_channel(addr) as channel: 27 channelz_stub = channelz_pb2_grpc.ChannelzStub(channel) 28 response = await channelz_stub.GetServers( 29 channelz_pb2.GetServersRequest(start_server_id=0) 30 ) 31 print("Info for all servers: %s" % response) 32 33 34async def main() -> None: 35 parser = argparse.ArgumentParser() 36 parser.add_argument( 37 "--addr", 38 nargs=1, 39 type=str, 40 default="[::]:50051", 41 help="the address to request", 42 ) 43 args = parser.parse_args() 44 run(addr=args.addr) 45 46 47if __name__ == "__main__": 48 logging.basicConfig() 49 asyncio.get_event_loop().run_until_complete(main()) 50