feat: aspirify the solution

2026-02-15 08:16:47 -06:00
parent 2cca5c15a0
commit d77e5d45f6
12 changed files with 220 additions and 2 deletions
@@ -0,0 +1,89 @@
+namespace FiscalOS.ServiceDefaults;
+
+public static class ServiceDefaultsExtensions
+{
+  private const string HealthEndpointPath = "/health";
+  private const string AlivenessEndpointPath = "/alive";
+
+  public static TBuilder AddServiceDefaults<TBuilder>(this TBuilder builder) where TBuilder : IHostApplicationBuilder
+  {
+    builder.ConfigureOpenTelemetry();
+
+    builder.AddDefaultHealthChecks();
+
+    builder.Services.AddServiceDiscovery();
+
+    builder.Services.ConfigureHttpClientDefaults(static http =>
+    {
+      http.AddStandardResilienceHandler();
+      http.AddServiceDiscovery();
+    });
+
+    return builder;
+  }
+
+  public static TBuilder ConfigureOpenTelemetry<TBuilder>(this TBuilder builder) where TBuilder : IHostApplicationBuilder
+  {
+    builder.Logging.AddOpenTelemetry(logging =>
+    {
+      logging.IncludeFormattedMessage = true;
+      logging.IncludeScopes = true;
+    });
+
+    builder.Services.AddOpenTelemetry()
+      .WithMetrics(metrics => metrics.AddAspNetCoreInstrumentation()
+        .AddHttpClientInstrumentation()
+        .AddRuntimeInstrumentation()
+      )
+      .WithTracing(tracing => tracing.AddSource(builder.Environment.ApplicationName)
+        .AddAspNetCoreInstrumentation(tracing =>
+          tracing.Filter = context =>
+            context.Request.Path.StartsWithSegments(HealthEndpointPath, StringComparison.InvariantCultureIgnoreCase) is false &&
+            context.Request.Path.StartsWithSegments(AlivenessEndpointPath, StringComparison.InvariantCultureIgnoreCase) is false
+        )
+        .AddHttpClientInstrumentation()
+      );
+
+    builder.AddOpenTelemetryExporters();
+
+    return builder;
+  }
+
+  public static TBuilder AddDefaultHealthChecks<TBuilder>(this TBuilder builder) where TBuilder : IHostApplicationBuilder
+  {
+    builder.Services.AddHealthChecks()
+      .AddCheck("self", static () => HealthCheckResult.Healthy(), ["live"]);
+
+    return builder;
+  }
+
+  public static WebApplication MapDefaultEndpoints(this WebApplication app)
+  {
+    ArgumentNullException.ThrowIfNull(app);
+
+    if (app.Environment.IsDevelopment())
+    {
+      app.MapHealthChecks(HealthEndpointPath);
+
+      app.MapHealthChecks(AlivenessEndpointPath, new HealthCheckOptions
+      {
+        Predicate = static r => r.Tags.Contains("live")
+      });
+    }
+
+    return app;
+  }
+
+  private static TBuilder AddOpenTelemetryExporters<TBuilder>(this TBuilder builder) where TBuilder : IHostApplicationBuilder
+  {
+    var useOtlpExporter = !string.IsNullOrWhiteSpace(builder.Configuration["OTEL_EXPORTER_OTLP_ENDPOINT"]);
+
+    if (useOtlpExporter)
+    {
+      builder.Services.AddOpenTelemetry().UseOtlpExporter();
+    }
+
+    return builder;
+  }
+
+}