130 lines
5.1 KiB
C#
130 lines
5.1 KiB
C#
// <copyright file="Startup.cs" company="OpenTelemetry Authors">
|
|
// Copyright The OpenTelemetry 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.
|
|
// </copyright>
|
|
|
|
using System;
|
|
using System.IO;
|
|
using System.Reflection;
|
|
using Microsoft.AspNetCore.Builder;
|
|
using Microsoft.AspNetCore.Hosting;
|
|
using Microsoft.Extensions.Configuration;
|
|
using Microsoft.Extensions.DependencyInjection;
|
|
using Microsoft.Extensions.Hosting;
|
|
using Microsoft.OpenApi.Models;
|
|
using OpenTelemetry;
|
|
using OpenTelemetry.Resources;
|
|
using OpenTelemetry.Trace;
|
|
|
|
namespace Examples.AspNetCore
|
|
{
|
|
public class Startup
|
|
{
|
|
public Startup(IConfiguration configuration)
|
|
{
|
|
this.Configuration = configuration;
|
|
}
|
|
|
|
public IConfiguration Configuration { get; }
|
|
|
|
public void ConfigureServices(IServiceCollection services)
|
|
{
|
|
services.AddControllers();
|
|
|
|
services.AddSwaggerGen(c =>
|
|
{
|
|
c.SwaggerDoc("v1", new OpenApiInfo { Title = "My API", Version = "v1" });
|
|
|
|
var xmlFile = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
|
|
var xmlPath = Path.Combine(AppContext.BaseDirectory, xmlFile);
|
|
if (File.Exists(xmlPath))
|
|
{
|
|
c.IncludeXmlComments(xmlPath);
|
|
}
|
|
});
|
|
|
|
// Switch between Zipkin/Jaeger by setting UseExporter in appsettings.json.
|
|
var exporter = this.Configuration.GetValue<string>("UseExporter").ToLowerInvariant();
|
|
switch (exporter)
|
|
{
|
|
case "jaeger":
|
|
services.AddOpenTelemetryTracing((builder) => builder
|
|
.SetResourceBuilder(ResourceBuilder.CreateDefault().AddService(this.Configuration.GetValue<string>("Jaeger:ServiceName")))
|
|
.AddAspNetCoreInstrumentation()
|
|
.AddHttpClientInstrumentation()
|
|
.AddJaegerExporter(jaegerOptions =>
|
|
{
|
|
jaegerOptions.AgentHost = this.Configuration.GetValue<string>("Jaeger:Host");
|
|
jaegerOptions.AgentPort = this.Configuration.GetValue<int>("Jaeger:Port");
|
|
}));
|
|
break;
|
|
case "zipkin":
|
|
services.AddOpenTelemetryTracing((builder) => builder
|
|
.AddAspNetCoreInstrumentation()
|
|
.AddHttpClientInstrumentation()
|
|
.AddZipkinExporter(zipkinOptions =>
|
|
{
|
|
zipkinOptions.Endpoint = new Uri(this.Configuration.GetValue<string>("Zipkin:Endpoint"));
|
|
}));
|
|
break;
|
|
case "otlp":
|
|
// Adding the OtlpExporter creates a GrpcChannel.
|
|
// This switch must be set before creating a GrpcChannel/HttpClient when calling an insecure gRPC service.
|
|
// See: https://docs.microsoft.com/aspnet/core/grpc/troubleshoot#call-insecure-grpc-services-with-net-core-client
|
|
AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
|
|
|
|
services.AddOpenTelemetryTracing((builder) => builder
|
|
.SetResourceBuilder(ResourceBuilder.CreateDefault().AddService(this.Configuration.GetValue<string>("Otlp:ServiceName")))
|
|
.AddAspNetCoreInstrumentation()
|
|
.AddHttpClientInstrumentation()
|
|
.AddOtlpExporter(otlpOptions =>
|
|
{
|
|
otlpOptions.Endpoint = new Uri(this.Configuration.GetValue<string>("Otlp:Endpoint"));
|
|
}));
|
|
break;
|
|
default:
|
|
services.AddOpenTelemetryTracing((builder) => builder
|
|
.AddAspNetCoreInstrumentation()
|
|
.AddHttpClientInstrumentation()
|
|
.AddConsoleExporter());
|
|
break;
|
|
}
|
|
}
|
|
|
|
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
|
|
{
|
|
if (env.IsDevelopment())
|
|
{
|
|
app.UseDeveloperExceptionPage();
|
|
}
|
|
|
|
app.UseHttpsRedirection();
|
|
|
|
app.UseSwagger();
|
|
|
|
app.UseSwaggerUI(c =>
|
|
{
|
|
c.SwaggerEndpoint("/swagger/v1/swagger.json", "My API V1");
|
|
});
|
|
|
|
app.UseRouting();
|
|
|
|
app.UseEndpoints(endpoints =>
|
|
{
|
|
endpoints.MapControllers();
|
|
});
|
|
}
|
|
}
|
|
}
|