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Program.cs
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Program.cs
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using OpenTelemetry.Logs;
using OpenTelemetry.Resources;
using OpenTelemetry.Trace;
using OpenTelemetry.Metrics;
using static TracingWeb.Handlers;
var builder = WebApplication.CreateBuilder(args);
const string serviceName = "tracing-web";
builder
.Services
.AddOpenTelemetry()
.ConfigureResource(resource => resource.AddService(serviceName))
.WithTracing(tracing => tracing
.AddSource(serviceName)
.AddAspNetCoreInstrumentation()
.AddHttpClientInstrumentation()
.AddOtlpExporter())
.WithMetrics(metrics => metrics
.AddAspNetCoreInstrumentation()
.AddOtlpExporter());
builder
.Logging
.ClearProviders()
.AddOpenTelemetry(options =>
{
var resourceBuilder = ResourceBuilder
.CreateDefault()
.AddService(serviceName);
options
.SetResourceBuilder(resourceBuilder)
.AddConsoleExporter()
.AddOtlpExporter();
});
var tracer = TracerProvider
.Default
.GetTracer(serviceName);
builder
.Services
.AddSingleton(tracer);
builder
.Services
.AddHttpClient();
var port = Environment.GetEnvironmentVariable("PORT") ?? "3000";
builder
.Build()
.MapGet("/posts", HandleAllPosts)
.Run($"http://localhost:{port}");