feat: 集成OpenTelemetry埋点与日志输出

src/Api/TakeoutSaaS.UserApi/Program.cs

@@ -1,4 +1,10 @@
+using System;
+using System.Linq;
 using Microsoft.AspNetCore.Cors.Infrastructure;
+using Microsoft.Extensions.Configuration;
+using OpenTelemetry.Metrics;
+using OpenTelemetry.Resources;
+using OpenTelemetry.Trace;
 using Serilog;
 using TakeoutSaaS.Module.Tenancy.Extensions;
 using TakeoutSaaS.Shared.Web.Extensions;
@@ -11,7 +17,12 @@ builder.Host.UseSerilog((_, _, configuration) =>
     configuration
         .Enrich.FromLogContext()
         .Enrich.WithProperty("Service", "UserApi")
-        .WriteTo.Console();
+        .WriteTo.Console()
+        .WriteTo.File(
+            "logs/user-api-.log",
+            rollingInterval: RollingInterval.Day,
+            retainedFileCountLimit: 7,
+            shared: true);
 });
 
 builder.Services.AddSharedWebCore();
@@ -22,6 +33,59 @@ builder.Services.AddSharedSwagger(options =>
     options.EnableAuthorization = true;
 });
 builder.Services.AddTenantResolution(builder.Configuration);
+var otelSection = builder.Configuration.GetSection("Otel");
+var otelEndpoint = otelSection.GetValue<string>("Endpoint");
+var useConsoleExporter = otelSection.GetValue<bool?>("UseConsoleExporter") ?? builder.Environment.IsDevelopment();
+builder.Services.AddOpenTelemetry()
+    .ConfigureResource(resource => resource.AddService(
+        serviceName: "TakeoutSaaS.UserApi",
+        serviceVersion: "1.0.0",
+        serviceInstanceId: Environment.MachineName))
+    .WithTracing(tracing =>
+    {
+        tracing
+            .SetSampler(new ParentBasedSampler(new AlwaysOnSampler()))
+            .AddAspNetCoreInstrumentation()
+            .AddHttpClientInstrumentation()
+            .AddEntityFrameworkCoreInstrumentation(options =>
+            {
+                options.SetDbStatementForText = false;
+                options.SetDbStatementForStoredProcedure = false;
+            });
+
+        if (!string.IsNullOrWhiteSpace(otelEndpoint))
+        {
+            tracing.AddOtlpExporter(exporter =>
+            {
+                exporter.Endpoint = new Uri(otelEndpoint);
+            });
+        }
+
+        if (useConsoleExporter)
+        {
+            tracing.AddConsoleExporter();
+        }
+    })
+    .WithMetrics(metrics =>
+    {
+        metrics
+            .AddAspNetCoreInstrumentation()
+            .AddHttpClientInstrumentation()
+            .AddRuntimeInstrumentation();
+
+        if (!string.IsNullOrWhiteSpace(otelEndpoint))
+        {
+            metrics.AddOtlpExporter(exporter =>
+            {
+                exporter.Endpoint = new Uri(otelEndpoint);
+            });
+        }
+
+        if (useConsoleExporter)
+        {
+            metrics.AddConsoleExporter();
+        }
+    });
 
 var userOrigins = ResolveCorsOrigins(builder.Configuration, "Cors:User");
 builder.Services.AddCors(options =>