From 7fa0dfdcada16c69b791000883ddddea04305fdc Mon Sep 17 00:00:00 2001
From: LittleSheep <littlesheep.code@hotmail.com>
Date: Sat, 31 May 2025 19:57:46 +0800
Subject: [PATCH] :arrow_heavy_plus: Add OpenTelemetry

---
 .../DysonNetwork.Sphere.csproj                |  5 +++++
 DysonNetwork.Sphere/Program.cs                | 21 +++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/DysonNetwork.Sphere/DysonNetwork.Sphere.csproj b/DysonNetwork.Sphere/DysonNetwork.Sphere.csproj
index b8da08a..53bf0a7 100644
--- a/DysonNetwork.Sphere/DysonNetwork.Sphere.csproj
+++ b/DysonNetwork.Sphere/DysonNetwork.Sphere.csproj
@@ -49,6 +49,11 @@
         <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL.Design" Version="1.1.0"/>
         <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL.NetTopologySuite" Version="9.0.4"/>
         <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL.NodaTime" Version="9.0.4"/>
+        <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.12.0" />
+        <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.12.0" />
+        <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.12.0" />
+        <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.12.0" />
+        <PackageReference Include="OpenTelemetry.Instrumentation.Runtime" Version="1.12.0" />
         <PackageReference Include="prometheus-net.AspNetCore" Version="8.2.1" />
         <PackageReference Include="prometheus-net.AspNetCore.HealthChecks" Version="8.2.1" />
         <PackageReference Include="prometheus-net.DotNetRuntime" Version="4.4.1" />
diff --git a/DysonNetwork.Sphere/Program.cs b/DysonNetwork.Sphere/Program.cs
index 60cfa41..8f56004 100644
--- a/DysonNetwork.Sphere/Program.cs
+++ b/DysonNetwork.Sphere/Program.cs
@@ -29,6 +29,8 @@ using Microsoft.Extensions.Options;
 using Microsoft.OpenApi.Models;
 using NodaTime;
 using NodaTime.Serialization.SystemTextJson;
+using OpenTelemetry.Metrics;
+using OpenTelemetry.Trace;
 using Prometheus;
 using Prometheus.DotNetRuntime;
 using Prometheus.SystemMetrics;
@@ -51,6 +53,7 @@ builder.WebHost.ConfigureKestrel(options =>
 
 // Configure metrics
 
+// Prometheus
 builder.Services.UseHttpClientMetrics();
 builder.Services.AddHealthChecks();
 builder.Services.AddSystemMetrics();
@@ -58,6 +61,24 @@ builder.Services.AddPrometheusEntityFrameworkMetrics();
 builder.Services.AddPrometheusAspNetCoreMetrics();
 builder.Services.AddPrometheusHttpClientMetrics();
 
+// OpenTelemetry
+builder.Services.AddOpenTelemetry()
+    .WithTracing(tracing =>
+    {
+        tracing
+            .AddAspNetCoreInstrumentation()
+            .AddHttpClientInstrumentation()
+            .AddOtlpExporter();
+    })
+    .WithMetrics(metrics =>
+    {
+        metrics
+            .AddAspNetCoreInstrumentation()
+            .AddHttpClientInstrumentation()
+            .AddRuntimeInstrumentation()
+            .AddOtlpExporter();
+    });
+
 // Add services to the container.
 
 builder.Services.AddLocalization(options => options.ResourcesPath = "Resources");