弃用 OpenTelemetry，并建立日志驱动的真实慢接口基线

src/Jiaowu.Api/Program.cs

@@ -28,9 +28,6 @@ using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Caching.Distributed;
 using Microsoft.IdentityModel.Tokens;
 using Microsoft.OpenApi;
-using OpenTelemetry.Metrics;
-using OpenTelemetry.Resources;
-using OpenTelemetry.Trace;
 using Swashbuckle.AspNetCore.SwaggerUI;
 using System.Threading.RateLimiting;
 
@@ -179,6 +176,7 @@ if (databaseOptions.CommandTimeoutSeconds is < 5 or > 300)
 
 if (string.IsNullOrWhiteSpace(observabilityOptions.ServiceName) ||
     observabilityOptions.ServiceName.Length > 100 ||
+    observabilityOptions.SlowRequestThresholdMilliseconds is < 1 or > 60000 ||
     observabilityOptions.SlowQueryThresholdMilliseconds is < 1 or > 60000 ||
     observabilityOptions.MaximumSqlTextLength is < 256 or > 20000)
 {
@@ -208,15 +206,6 @@ if (performanceReportingOptions.CacheSeconds is < 5 or > 300 ||
         "PerformanceReporting 数据源、超时、缓存或指标名称配置无效。");
 }
 
-var otlpEndpoint = builder.Configuration["OTEL_EXPORTER_OTLP_ENDPOINT"];
-if (!string.IsNullOrWhiteSpace(otlpEndpoint) &&
-    (!Uri.TryCreate(otlpEndpoint, UriKind.Absolute, out var parsedOtlpEndpoint) ||
-     parsedOtlpEndpoint.Scheme is not ("http" or "https")))
-{
-    throw new InvalidOperationException(
-        "OTEL_EXPORTER_OTLP_ENDPOINT 必须是有效的 HTTP 或 HTTPS 绝对地址。");
-}
-
 if (cacheOptions.ReferenceExpirationMinutes is < 1 or > 1440 ||
     cacheOptions.TimetableExpirationMinutes is < 1 or > 1440 ||
     cacheOptions.AnalyticsExpirationMinutes is < 1 or > 1440 ||
@@ -319,6 +308,7 @@ builder.Services.AddSingleton(performanceReportingOptions);
 builder.Services.AddSingleton(clickHouseAnalyticsOptions);
 builder.Services.AddSingleton(rabbitMqOptions);
 builder.Services.AddSingleton<DatabaseCommandTelemetryInterceptor>();
+builder.Services.AddHttpContextAccessor();
 builder.Services.AddMemoryCache();
 builder.Services.AddHttpClient<PerformanceReportService>((services, client) =>
 {
@@ -379,28 +369,6 @@ builder.Services.AddDbContextPool<AppDbContext>((services, options) =>
         });
 });
 
-if (observabilityOptions.Enabled &&
-    !string.IsNullOrWhiteSpace(otlpEndpoint))
-{
-    builder.Services
-        .AddOpenTelemetry()
-        .ConfigureResource(resource =>
-            resource.AddService(observabilityOptions.ServiceName))
-        .WithMetrics(metrics => metrics
-            .AddAspNetCoreInstrumentation()
-            .AddHttpClientInstrumentation()
-            .AddRuntimeInstrumentation()
-            .AddMeter(DatabaseCommandTelemetryInterceptor.MeterName))
-        .WithTracing(tracing => tracing
-            .AddAspNetCoreInstrumentation(options =>
-                options.Filter = context =>
-                    !context.Request.Path.StartsWithSegments("/health/live"))
-            .AddHttpClientInstrumentation()
-            .AddSource(DatabaseCommandTelemetryInterceptor.ActivitySourceName))
-        .WithMetrics(metrics => metrics.AddOtlpExporter())
-        .WithTracing(tracing => tracing.AddOtlpExporter());
-}
-
 var redisConnectionString = builder.Configuration.GetConnectionString("Redis");
 if (cacheOptions.Enabled && !string.IsNullOrWhiteSpace(redisConnectionString))
 {
@@ -753,6 +721,7 @@ app.UseStaticFiles(new StaticFileOptions
 });
 app.UseCors("Web");
 app.UseRateLimiter();
+app.UseMiddleware<SlowRequestLoggingMiddleware>();
 app.UseAuthentication();
 app.UseAuthorization();
 app.UseMiddleware<AuditMiddleware>();