Annamaria Sassi
230 lines
8.2 KiB
C#
230 lines
8.2 KiB
C#
using Microsoft.EntityFrameworkCore;
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using Microsoft.OpenApi.Models;
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using NLog.Targets;
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using NLog.Web;
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using OpenTelemetry.Resources;
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using OpenTelemetry.Trace;
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using System.Text.Json.Serialization;
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var builder = WebApplication.CreateBuilder(args);
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// recupero env corrente
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var env = builder.Environment;
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var logger = LogManager.Setup()
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.LoadConfigurationFromAppSettings()
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.GetCurrentClassLogger();
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var assemblyVersion = Assembly.GetExecutingAssembly().GetName().Version?.ToString();
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ConfigurationManager configuration = builder.Configuration;
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logger.Info($"Lux.API | Program.cs: startup | v.{assemblyVersion}");
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logger.Info($"Current ASPNETCORE_ENVIRONMENT: {env.EnvironmentName}");
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// costruzione connectionMultiplexer redis...
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string connStr = configuration.GetConnectionString("Redis") ?? "localhost";
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ConnectionMultiplexer redisConn = ConnectionMultiplexer.Connect(connStr);
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// ====================================================================
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// Setup Tracing e Telemetria...
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// ====================================================================
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// 1. Leggiamo la configurazione
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var otelEnabled = builder.Configuration.GetValue<bool>("Otel:EnableTracing", false);
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var otelEndpoint = builder.Configuration["Otel:Endpoint"];
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var otelDsn = builder.Configuration["Otel:Dsn"];
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if (otelEnabled)
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{
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// ====================================================================
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// SETUP OPENTELEMETRY BASE (Genera gli oggetti Activity)
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// Questo gira per i Livelli 1, 2 e 3.
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// ====================================================================
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var appVersion = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version?.ToString() ?? "1.0.0";
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builder.Services.AddOpenTelemetry()
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.WithTracing(tracerProviderBuilder =>
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{
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tracerProviderBuilder
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.SetResourceBuilder(OpenTelemetry.Resources.ResourceBuilder.CreateDefault()
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.AddService(serviceName: "LUX", serviceVersion: appVersion))
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.AddSource("Lux.API")
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.AddSource("Lux.DATA")
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.AddSource("Lux.UI")
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.AddAspNetCoreInstrumentation(options => { options.Filter = ctx => !ctx.Request.Path.StartsWithSegments("/health"); })
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.AddEntityFrameworkCoreInstrumentation()
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.AddRedisInstrumentation(redisConn);
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// ====================================================================
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// ESPORTAZIONE DI RETE (Solo Livelli 1 e 2)
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// ====================================================================
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if (!string.IsNullOrWhiteSpace(otelEndpoint))
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{
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tracerProviderBuilder.AddOtlpExporter(options =>
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{
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options.Endpoint = new Uri(otelEndpoint);
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if (!string.IsNullOrWhiteSpace(otelDsn))
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{
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options.Headers = $"uptrace-dsn={otelDsn}";
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}
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options.Protocol = OpenTelemetry.Exporter.OtlpExportProtocol.Grpc;
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});
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}
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// Se otelEndpoint è vuoto (Livello 3), le tracce nascono e muoiono in RAM.
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});
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// ====================================================================
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// ESPORTAZIONE NLOG REALTIME (Solo Livelli 1 e 2)
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// ====================================================================
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if (!string.IsNullOrWhiteSpace(otelEndpoint))
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{
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var otlpTarget = new OtlpTarget
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{
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Name = "UptraceRealtime",
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Endpoint = otelEndpoint,
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ServiceName = "LUX.Data.Tracer"
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};
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if (!string.IsNullOrWhiteSpace(otelDsn))
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{
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otlpTarget.Headers = $"uptrace-dsn={otelDsn}";
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}
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var config = LogManager.Configuration ?? new NLog.Config.LoggingConfiguration();
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config.AddTarget(otlpTarget);
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config.AddRule(NLog.LogLevel.Info, NLog.LogLevel.Fatal, otlpTarget);
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LogManager.Configuration = config;
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LogManager.ReconfigExistingLoggers();
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logger.Info($"🚀 NLog & OTel attivi e in invio verso: {otelEndpoint}");
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}
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else
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{
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logger.Info("ℹ️ OTel attivo (Local mode). Esportazione di rete disabilitata.");
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}
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}
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else
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{
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// ====================================================================
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// LIVELLO 4: TUTTO SPENTO
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// ====================================================================
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logger.Info("⏸️ Telemetria e Tracing completamente disabilitati.");
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}
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// fix logging
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builder.Logging.AddFilter("Microsoft.EntityFrameworkCore", Microsoft.Extensions.Logging.LogLevel.None);
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// Add services to the container.
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builder.Services.AddControllers();
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// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
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builder.Services.AddEndpointsApiExplorer();
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//builder.Services.AddSwaggerGen();
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builder.Services.AddSwaggerGen(c =>
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{
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c.SwaggerDoc("v1", new OpenApiInfo
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{
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Title = "EgaWare's Lux API",
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Version = $"v1 | {assemblyVersion}",
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Description = $"API documentation for v1 | AssemblyVersion {assemblyVersion}"
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});
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});
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// registro connMultiplexer REDIS
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builder.Services.AddSingleton<IConnectionMultiplexer>(redisConn);
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var connectionString = builder.Configuration.GetConnectionString("Lux.All") ?? throw new InvalidOperationException("Connection string 'DefaultConnection' not found.");
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// DataLayerContext (manca!)
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builder.Services.AddDbContextFactory<DataLayerContext>(options =>
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{
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var conn = builder.Configuration.GetConnectionString("Lux.All");
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options.UseMySql(conn, ServerVersion.AutoDetect(conn), mySqlOptions =>
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{
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mySqlOptions.EnableStringComparisonTranslations();
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})
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.EnableSensitiveDataLogging(false)
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.EnableDetailedErrors(false)
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.LogTo(_ => { }); // disabilita EF logging;
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});
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builder.Services.AddDbContextFactory<ReportContext>(options =>
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{
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var conn = builder.Configuration.GetConnectionString("Lux.All");
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options.UseMySql(conn, ServerVersion.AutoDetect(conn), mySqlOptions =>
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{
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mySqlOptions.EnableStringComparisonTranslations();
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})
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.EnableSensitiveDataLogging(false)
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.EnableDetailedErrors(false)
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.LogTo(_ => { }); // disabilita EF logging;
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});
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// fix serializazzione senza loop
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builder.Services.AddControllers().AddJsonOptions(options =>
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{
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options.JsonSerializerOptions.ReferenceHandler = ReferenceHandler.IgnoreCycles;
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});
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//// fix serializzazione con NewtonsoftJson e gestione loop...
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//builder.Services
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// .AddControllers()
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// .AddNewtonsoftJson(options =>
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// {
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// options.SerializerSettings.ReferenceLoopHandling = ReferenceLoopHandling.Ignore;
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// });
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// registrazione in blocco servizi con metodo extension custom
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builder.Services.AddLuxData(connectionString);
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// servizi con dipendenze" ma Scoped
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builder.Services.AddScoped<ExternalMessageProcessor>();
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// servizi hosted usano scope factory
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builder.Services.AddHostedService<RedisSubscriberService>();
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builder.Services.AddHostedService<StatsCollectService>();
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var app = builder.Build();
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// aggiunt base URL x routing corretto
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string baseUrl = configuration.GetValue<string>("ServerConf:BaseUrl") ?? "";
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app.UsePathBase(baseUrl);
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logger.Info($"BaseUrl: {baseUrl}");
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// log channels di ritorno UI
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List<string> listParams = new List<string>() { "ChannelPng", "ChannelSub", "ChannelPub", "ChannelSvg" };
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foreach (var param in listParams)
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{
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logger.Info($"{param}: {configuration.GetValue<string>($"ServerConf:{param}") ?? ""}");
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}
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// Configure the HTTP request pipeline.
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if (app.Environment.IsDevelopment() || app.Environment.IsStaging())
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{
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app.UseSwagger();
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//app.UseSwaggerUI();
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app.UseSwaggerUI(c =>
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{
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c.SwaggerEndpoint($"{baseUrl}swagger/v1/swagger.json", "EgalWare's Lux API v1");
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});
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}
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app.UseHttpsRedirection();
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app.UseAuthorization();
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app.MapControllers();
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// inserisco evento in chiusura x fermare i thread di calcolo sottostanti:
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// https://shazwazza.com/post/aspnet-core-application-shutdown-events/
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// https://dotnetblog.asphostportal.com/how-to-handle-application-shutdown-in-asp-net-core/
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app.Lifetime.ApplicationStopping.Register(() =>
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{
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#if false
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if (myExecProcessManager != null)
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{
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myExecProcessManager.StopExecutionThread();
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}
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#endif
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});
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// avvio app
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app.Run(); |