74 lines
2.0 KiB
C#
74 lines
2.0 KiB
C#
#nullable enable
|
|
|
|
using AobaServer.Middleware;
|
|
|
|
using Microsoft.AspNetCore.Builder;
|
|
using Microsoft.AspNetCore.Routing;
|
|
using Microsoft.Extensions.Configuration;
|
|
using Microsoft.Extensions.DependencyInjection;
|
|
|
|
using OpenTelemetry;
|
|
using OpenTelemetry.Metrics;
|
|
using OpenTelemetry.Resources;
|
|
using OpenTelemetry.Trace;
|
|
|
|
|
|
namespace AobaServer.Middleware;
|
|
|
|
public static class OpenTelemetry
|
|
{
|
|
public static void AddObersability(this IServiceCollection services, IConfiguration configuration)
|
|
{
|
|
var otel = services.AddOpenTelemetry();
|
|
|
|
otel.ConfigureResource(res =>
|
|
{
|
|
res.AddService(serviceName: $"Breeze: {Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT")}");
|
|
});
|
|
|
|
|
|
// Add Metrics for ASP.NET Core and our custom metrics and export to Prometheus
|
|
otel.WithMetrics(metrics => metrics
|
|
// Metrics provider from OpenTelemetry
|
|
.AddAspNetCoreInstrumentation()
|
|
.AddCustomMetrics()
|
|
// Metrics provides by ASP.NET Core in .NET 8
|
|
.AddMeter("Microsoft.AspNetCore.Hosting")
|
|
.AddMeter("Microsoft.AspNetCore.Server.Kestrel")
|
|
// Metrics provided by System.Net libraries
|
|
.AddMeter("System.Net.Http")
|
|
.AddMeter("System.Net.NameResolution")
|
|
.AddPrometheusExporter());
|
|
|
|
// Add Tracing for ASP.NET Core and our custom ActivitySource and export to Jaeger
|
|
var tracingOtlpEndpoint = configuration["OTLP_ENDPOINT_URL"];
|
|
otel.WithTracing(tracing =>
|
|
{
|
|
tracing.AddSource("MongoDB.Driver.Core.Extensions.DiagnosticSources");
|
|
tracing.AddAspNetCoreInstrumentation();
|
|
tracing.AddHttpClientInstrumentation();
|
|
if (!string.IsNullOrWhiteSpace(tracingOtlpEndpoint))
|
|
{
|
|
tracing.AddOtlpExporter(otlpOptions =>
|
|
{
|
|
otlpOptions.Endpoint = new Uri(tracingOtlpEndpoint);
|
|
});
|
|
}
|
|
});
|
|
}
|
|
|
|
|
|
public static MeterProviderBuilder AddCustomMetrics(this MeterProviderBuilder builder)
|
|
{
|
|
|
|
|
|
return builder;
|
|
}
|
|
|
|
public static IEndpointRouteBuilder MapObserability(this IEndpointRouteBuilder endpoints)
|
|
{
|
|
endpoints.MapPrometheusScrapingEndpoint().RequireAuthorization(p => p.RequireRole("metrics"));
|
|
return endpoints;
|
|
}
|
|
}
|