iot/projects/Infrastructure/Web/Hosting/IWebHostBuilderExtensions.cs

using Infrastructure.Configuration;
using Infrastructure.Extensions;
using Microsoft.AspNetCore.Hosting;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Serilog;
using Serilog.Formatting.Json;
using Serilog.Sinks.Elasticsearch;
using Serilog.Sinks.RollingFile;
using System;
using System.Collections.Generic;
using System.IO;

namespace Infrastructure.Web.Hosting
{
    public static class IWebHostBuilderExtensions
    {
        public static IWebHostBuilder Config<TStartup>(this IWebHostBuilder hostBuilder, List<EFConfigurationValue> configValues = null, bool useLogServer = false, bool useConfigServer = false) where TStartup : class
        {
            try
            {
                var configuration = new ConfigurationBuilder().Config(configValues).Build();
                if (useLogServer)
                {
                    Log.Logger = new LoggerConfiguration()
                        .WriteTo.Elasticsearch(new ElasticsearchSinkOptions(new Uri("http://localhost:9200"))
                        {//http://localhost:9200/_search?size=100
                            TypeName = "_doc",
                            AutoRegisterTemplate = true,
                            AutoRegisterTemplateVersion = AutoRegisterTemplateVersion.ESv7,
                            FailureCallback = e => Console.WriteLine("Unable to submit event " + e.MessageTemplate),
                            EmitEventFailure = EmitEventFailureHandling.WriteToSelfLog |
                                       EmitEventFailureHandling.WriteToFailureSink |
                                       EmitEventFailureHandling.RaiseCallback,
                            FailureSink = new RollingFileSink("logs/log.txt", new JsonFormatter(), fileSizeLimitBytes: 100 * 1024 * 1024, 1)
                        })
                        .CreateLogger();
                }
                else
                {
                    Log.Logger = new LoggerConfiguration()
                        .ReadFrom.Configuration(configuration)
                        .WriteTo.Console()
                        .WriteTo.File("logs/log.txt", rollOnFileSizeLimit: true, fileSizeLimitBytes: 100 * 1024 * 1024, rollingInterval: RollingInterval.Infinite)
                        .CreateLogger();
                }
                hostBuilder
                    .UseSerilog()
                    .ConfigureAppConfiguration((hostingContext, builder) =>
                    {
                        if (useConfigServer)
                        {
                            //builder.AddNacosConfiguration(x =>
                            //{
                            //    x.DataId = "msconfigapp";
                            //    x.Group = "";
                            //    x.Tenant = "f47e0ae1-982a-4a64-aea3-52506492a3d4";
                            //    x.Optional = false;
                            //    x.ServerAddresses = new List<string> { "localhost:8848" };
                            //});
                        }
                        else
                        {
                            builder.Config(configValues);
                        }
                    })
                    .UseStartup<TStartup>()
                    .Build()
                    .Run();
            }
            catch (Exception ex)
            {
                ex.PrintStack();
                Log.Fatal(ex.Message);
            }
            finally
            {
                Log.CloseAndFlush();
            }
            return hostBuilder;
        }

        public static IConfigurationBuilder Config(this IConfigurationBuilder builder, List<EFConfigurationValue> configValues)
        {
            return builder.SetBasePath(Directory.GetCurrentDirectory())
                .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
                .AddEFConfiguration(options => options.UseSqlite("Data Source=configuration.db"), configValues ?? new List<EFConfigurationValue>())
                .AddEnvironmentVariables();
        }
    }
}