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# Copyright 2019 The gRPC Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Poll statistics from the server."""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import logging
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import argparse
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import grpc
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from grpc_channelz.v1 import channelz_pb2
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from grpc_channelz.v1 import channelz_pb2_grpc
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def run(addr):
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with grpc.insecure_channel(addr) as channel:
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channelz_stub = channelz_pb2_grpc.ChannelzStub(channel)
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# This RPC pulls server-level metrics, like sent/received messages,
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# succeeded/failed RPCs. For more info see:
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# https://github.com/grpc/grpc/blob/master/src/proto/grpc/channelz/channelz.proto
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response = channelz_stub.GetServers(channelz_pb2.GetServersRequest())
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print(f'Info for all servers: {response}')
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument('--addr',
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nargs=1,
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type=str,
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default='[::]:50051',
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help='the address to request')
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args = parser.parse_args()
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run(addr=args.addr)
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if __name__ == '__main__':
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logging.basicConfig()
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main()
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