mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
64 lines
2.1 KiB
64 lines
2.1 KiB
# Copyright 2024 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. |
|
"""gRPC Python helloworld.Greeter client with observability enabled.""" |
|
|
|
from collections import defaultdict |
|
import logging |
|
import time |
|
|
|
import grpc |
|
import grpc_observability |
|
import helloworld_pb2 |
|
import helloworld_pb2_grpc |
|
import open_telemetry_exporter |
|
from opentelemetry.sdk.metrics import MeterProvider |
|
from opentelemetry.sdk.metrics.export import PeriodicExportingMetricReader |
|
|
|
OTEL_EXPORT_INTERVAL_S = 0.5 |
|
|
|
|
|
def run(): |
|
all_metrics = defaultdict(list) |
|
otel_exporter = open_telemetry_exporter.OTelMetricExporter(all_metrics) |
|
reader = PeriodicExportingMetricReader( |
|
exporter=otel_exporter, |
|
export_interval_millis=OTEL_EXPORT_INTERVAL_S * 1000, |
|
) |
|
provider = MeterProvider(metric_readers=[reader]) |
|
|
|
otel_plugin = grpc_observability.OpenTelemetryPlugin( |
|
meter_provider=provider |
|
) |
|
otel_plugin.register_global() |
|
|
|
with grpc.insecure_channel(target="localhost:50051") as channel: |
|
stub = helloworld_pb2_grpc.GreeterStub(channel) |
|
try: |
|
response = stub.SayHello(helloworld_pb2.HelloRequest(name="You")) |
|
print(f"Greeter client received: {response.message}") |
|
except grpc.RpcError as rpc_error: |
|
print("Call failed with code: ", rpc_error.code()) |
|
otel_plugin.deregister_global() |
|
|
|
# Sleep to make sure all metrics are exported. |
|
time.sleep(5) |
|
|
|
print("Metrics exported on client side:") |
|
for metric in all_metrics: |
|
print(metric) |
|
|
|
|
|
if __name__ == "__main__": |
|
logging.basicConfig() |
|
run()
|
|
|