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 argparse 21import logging 22 23import grpc 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 # This RPC pulls server-level metrics, like sent/received messages, 32 # succeeded/failed RPCs. For more info see: 33 # https://github.com/grpc/grpc/blob/master/src/proto/grpc/channelz/channelz.proto 34 response = channelz_stub.GetServers(channelz_pb2.GetServersRequest()) 35 print(f"Info for all servers: {response}") 36 37 38def main(): 39 parser = argparse.ArgumentParser() 40 parser.add_argument( 41 "--addr", 42 nargs=1, 43 type=str, 44 default="[::]:50051", 45 help="the address to request", 46 ) 47 args = parser.parse_args() 48 run(addr=args.addr) 49 50 51if __name__ == "__main__": 52 logging.basicConfig() 53 main() 54