add aspire for otel

tools/AspNetCoreServiceDefaults/GodotServiceDefaults.cs

@@ -0,0 +1,45 @@
+using OpenTelemetry;
+using OpenTelemetry.Metrics;
+using OpenTelemetry.Resources;
+using OpenTelemetry.Trace;
+
+namespace Microsoft.Extensions.Hosting;
+
+public static class GodotServiceDefaults
+{
+	private static TracerProvider _tracerProvider;
+	private static MeterProvider _meterProvider;
+	public static void AddServiceDefaults()
+	{
+		var endpoint = Environment.GetEnvironmentVariable("OTEL_EXPORTER_OTLP_ENDPOINT");
+		if (endpoint is null)
+		{
+			Console.WriteLine("OTEL_EXPORTER_OTLP_ENDPOINT is not set, skipping OpenTelemetry setup.");
+			return;
+		}
+		var endpointUri = new Uri(endpoint!);
+		var resource = ResourceBuilder.CreateDefault()
+			.AddService("sharpide-godot");
+
+		_tracerProvider = Sdk.CreateTracerProviderBuilder()
+			.SetResourceBuilder(resource)
+			.AddSource("SharpIde")
+			.AddOtlpExporter(options =>
+			{
+				options.Endpoint = endpointUri;
+				options.Protocol = OpenTelemetry.Exporter.OtlpExportProtocol.Grpc;
+			})
+			.Build();
+
+		_meterProvider = Sdk.CreateMeterProviderBuilder()
+			.SetResourceBuilder(resource)
+			.AddMeter("SharpIde")
+			.AddRuntimeInstrumentation()
+			.AddOtlpExporter(options =>
+			{
+				options.Endpoint = endpointUri;
+				options.Protocol = OpenTelemetry.Exporter.OtlpExportProtocol.Grpc;
+			})
+			.Build();
+	}
+}