opentelemetry-dotnet-instru.../test/test-applications/integrations/TestApplication.Http/Startup.cs

52 lines
2.2 KiB
C#

// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
using System.Diagnostics;
namespace TestApplication.Http;
public class Startup
{
private static readonly ActivitySource MyActivitySource = new ActivitySource("TestApplication.Http", "1.0.0");
public Startup(IConfiguration configuration)
{
Configuration = configuration;
}
public IConfiguration Configuration { get; }
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
app
.UseRouting() // enables metrics for Microsoft.AspNetCore.Routing in .NET8+
.UseExceptionHandler(new ExceptionHandlerOptions { ExceptionHandler = _ => Task.CompletedTask }) // together with call to /exception enables metrics for Microsoft.AspNetCore.Diagnostics for .NET8+
.UseRateLimiter() // enables metrics for Microsoft.AspNetCore.RateLimiting in .NET8+
.UseEndpoints(x => x.MapHub<TestHub>("/signalr")) // together with connection to SignalR Hub enables metrics for Microsoft.AspNetCore.Http.Connections for .NET8
.Map(
"/test",
configuration => configuration.Run(async context =>
{
using (var activity = MyActivitySource.StartActivity("manual span"))
{
activity?.SetTag("test_tag", "test_value");
}
context.Response.Headers.Append("Custom-Response-Test-Header1", "Test-Value1");
context.Response.Headers.Append("Custom-Response-Test-Header2", "Test-Value2");
context.Response.Headers.Append("Custom-Response-Test-Header3", "Test-Value3");
await context.Response.WriteAsync("Pong");
}))
.Map(
"/exception",
configuration => configuration.Run(_ => throw new InvalidOperationException("Just to throw something")));
}
}