86 lines
3.1 KiB
C#
86 lines
3.1 KiB
C#
// <copyright file="Startup.cs" company="OpenTelemetry Authors">
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// Copyright The OpenTelemetry 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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// </copyright>
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using OpenTelemetry.Resources;
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using OpenTelemetry.Trace;
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namespace Examples.GrpcService;
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public class Startup
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{
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public Startup(IConfiguration configuration)
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{
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this.Configuration = configuration;
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}
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public IConfiguration Configuration { get; }
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public void ConfigureServices(IServiceCollection services)
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{
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services.AddGrpc();
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services.AddOpenTelemetry()
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.WithTracing(builder =>
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{
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builder
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.ConfigureResource(r => r.AddService(this.Configuration.GetValue("ServiceName", defaultValue: "otel-test")!))
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.AddAspNetCoreInstrumentation();
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// Switch between Jaeger/Zipkin/Console by setting UseExporter in appsettings.json.
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var exporter = this.Configuration.GetValue("UseExporter", defaultValue: "console")!.ToLowerInvariant();
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switch (exporter)
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{
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case "jaeger":
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_ = builder.AddJaegerExporter(jaegerOptions =>
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{
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jaegerOptions.AgentHost = this.Configuration.GetValue("Jaeger:Host", defaultValue: "localhost");
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jaegerOptions.AgentPort = this.Configuration.GetValue("Jaeger:Port", defaultValue: 6831);
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});
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break;
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case "zipkin":
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builder.AddZipkinExporter(zipkinOptions =>
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{
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zipkinOptions.Endpoint = new Uri(this.Configuration.GetValue("Zipkin:Endpoint", defaultValue: "http://localhost:9411/api/v2/spans")!);
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});
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break;
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default:
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builder.AddConsoleExporter();
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break;
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}
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});
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}
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public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
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{
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if (env.IsDevelopment())
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{
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app.UseDeveloperExceptionPage();
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}
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app.UseRouting();
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app.UseEndpoints(endpoints =>
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{
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endpoints.MapGrpcService<GreeterService>();
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endpoints.MapGet("/", async context =>
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{
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await context.Response.WriteAsync("Communication with gRPC endpoints must be made through a gRPC client. To learn how to create a client, visit: https://go.microsoft.com/fwlink/?linkid=2086909").ConfigureAwait(false);
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});
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});
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}
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}
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