1# Copyright 2019 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 16from __future__ import absolute_import 17from __future__ import division 18from __future__ import print_function 19 20import logging 21import argparse 22import grpc 23 24from grpc_channelz.v1 import channelz_pb2 25from grpc_channelz.v1 import channelz_pb2_grpc 26 27 28def run(addr): 29 with grpc.insecure_channel(addr) as channel: 30 channelz_stub = channelz_pb2_grpc.ChannelzStub(channel) 31 response = channelz_stub.GetServers( 32 channelz_pb2.GetServersRequest(start_server_id=0)) 33 print('Info for all servers: %s' % response) 34 35 36def main(): 37 parser = argparse.ArgumentParser() 38 parser.add_argument('--addr', 39 nargs=1, 40 type=str, 41 default='[::]:50051', 42 help='the address to request') 43 args = parser.parse_args() 44 run(addr=args.addr) 45 46 47if __name__ == '__main__': 48 logging.basicConfig() 49 main() 50