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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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94 lines
3.5 KiB
94 lines
3.5 KiB
// |
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// |
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// Copyright 2020 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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// |
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// |
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#include <iostream> |
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#include "absl/flags/flag.h" |
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#include "opentelemetry/exporters/prometheus/exporter_factory.h" |
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#include "opentelemetry/exporters/prometheus/exporter_options.h" |
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#include "opentelemetry/sdk/metrics/meter_provider.h" |
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#include <grpc/grpc.h> |
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#include <grpcpp/ext/csm_observability.h> |
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#include <grpcpp/health_check_service_interface.h> |
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#include "src/core/lib/iomgr/gethostname.h" |
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#include "test/core/util/test_config.h" |
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#include "test/cpp/interop/xds_interop_server_lib.h" |
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#include "test/cpp/util/test_config.h" |
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ABSL_FLAG(int32_t, port, 8080, "Server port for service."); |
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ABSL_FLAG(int32_t, maintenance_port, 8081, |
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"Server port for maintenance if --security is \"secure\"."); |
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ABSL_FLAG(std::string, server_id, "cpp_server", |
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"Server ID to include in responses."); |
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ABSL_FLAG(bool, secure_mode, false, |
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"If true, XdsServerCredentials are used, InsecureServerCredentials " |
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"otherwise"); |
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ABSL_FLAG(bool, enable_csm_observability, false, |
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"Whether to enable CSM Observability"); |
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grpc::CsmObservability EnableCsmObservability() { |
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gpr_log(GPR_DEBUG, "Registering Prometheus exporter"); |
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opentelemetry::exporter::metrics::PrometheusExporterOptions opts; |
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// default was "localhost:9464" which causes connection issue across GKE |
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// pods |
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opts.url = "0.0.0.0:9464"; |
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auto prometheus_exporter = |
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opentelemetry::exporter::metrics::PrometheusExporterFactory::Create(opts); |
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auto meter_provider = |
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std::make_shared<opentelemetry::sdk::metrics::MeterProvider>(); |
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meter_provider->AddMetricReader(std::move(prometheus_exporter)); |
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auto observability = grpc::CsmObservabilityBuilder() |
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.SetMeterProvider(std::move(meter_provider)) |
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.BuildAndRegister(); |
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assert(observability.ok()); |
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return *std::move(observability); |
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} |
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int main(int argc, char** argv) { |
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grpc::testing::TestEnvironment env(&argc, argv); |
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grpc::testing::InitTest(&argc, &argv, true); |
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char* hostname = grpc_gethostname(); |
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if (hostname == nullptr) { |
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std::cout << "Failed to get hostname, terminating" << std::endl; |
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return 1; |
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} |
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int port = absl::GetFlag(FLAGS_port); |
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if (port == 0) { |
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std::cout << "Invalid port, terminating" << std::endl; |
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return 1; |
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} |
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int maintenance_port = absl::GetFlag(FLAGS_maintenance_port); |
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if (maintenance_port == 0) { |
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std::cout << "Invalid maintenance port, terminating" << std::endl; |
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return 1; |
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} |
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grpc::EnableDefaultHealthCheckService(false); |
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bool enable_csm_observability = absl::GetFlag(FLAGS_enable_csm_observability); |
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grpc::CsmObservability observability; |
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if (enable_csm_observability) { |
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observability = EnableCsmObservability(); |
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} |
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grpc::testing::RunServer(absl::GetFlag(FLAGS_secure_mode), |
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enable_csm_observability, port, maintenance_port, |
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hostname, absl::GetFlag(FLAGS_server_id), |
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[](grpc::Server* /* unused */) {}); |
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return 0; |
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}
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