在 AppSettings.json 中为 Serilog sinks msSqlServer 配置列选项

Question

我正在尝试确定是否可以在 ASP.Net Core 2项目的appsettings.json文件中为serilog sink mssqlserver配置列选项。

我在Program.cs文件中创建和配置记录器。

public static IConfiguration Configuration { get; } = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
.AddJsonFile($"appsettings.{Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? "Production"}.json", optional: true)
.AddEnvironmentVariables()
.Build();
public static int Main(string[] args)
{

Log.Logger = new LoggerConfiguration()
//.Enrich.WithProperty("AppName", "One Badass App") // Adds property to XML structure in properties column
.ReadFrom.Configuration(Configuration)
.CreateLogger();
try
{
Log.Information("Starting web host");
BuildWebHost(args).Run();
return 0;
}
catch (Exception ex)
{
Log.Fatal(ex, "Host terminated unexpectedly");
return 1;
}
finally
{
Log.CloseAndFlush();
}
}

我可以从 appsettings.json 文件构建配置文件，该文件包含一个 Serilog 节点，其中包含要使用的连接字符串和表的信息。

{
"AppSettings": {
"Application": {
"Name": "Payment Processing API",
"Version":  "1.0"
}
},
"ConnectionStrings": {
"localPaymentProcessingDb": "Server=(localdb)\mssqllocaldb;Database=PaymentProcessing;Trusted_Connection=True;MultipleActiveResultSets=true"
},
"Serilog": {
"MinimumLevel": "Information",
"WriteTo": [
{
"Name": "MSSqlServer",
"Args": {
"connectionString": "Server=(localdb)\mssqllocaldb;Database=PaymentProcessing;Trusted_Connection=True;MultipleActiveResultSets=true",
"tableName": "Logs"
}
}
]
}

Github上有一个未解决的问题，但我还没有找到任何其他关于它的信息。

如果无法在appsettings.json中配置列选项，则应在 ASP.Net Core 2项目中的位置以及如何配置它们？

Answer 1

如果其他人偶然发现了同样的问题，问题中链接的 GitHub 问题现在包含答案：

现在，最新的 SQL 接收器和 Serilog.Settings.Configuration packages.

另外，我知道这个问题要求 .NET Core 2 答案，听起来链接的 GitHub 页面回答了 2 个答案，我正在使用 .NET Core 3.1，以下内容对我有用(希望它也适用于 2)

我安装了Serilog.Settings.ConfigurationNuget软件包并使用以下Serilog appsettings.json配置：

"Serilog":{
"MinimumLevel":"Information",
"WriteTo":[
{
"Name":"MSSqlServer",
"Args":{
"connectionString":"DbContext",
"tableName":"EventLog",
"autoCreateSqlTable":true,
"columnOptionsSection":{
"addStandardColumns":[
"LogEvent"
],
"removeStandardColumns":[
"MessageTemplate",
"Properties"
]
}
}
}
]
}

Answer 2

要从代码中的应用程序设置访问 Serilog，您可以将 Serilog 节点绑定到 Serilog 类。
以下是详细步骤。
1. 创建 Serilog 配置类

public class SerilogConfiguration
{
public LogEventLevel MinimumLevel { get; set; }
public List<WriteTo> WriteTo { get; set; }
}
public class WriteTo
{
public string Name { get; set; }
public Args Args { get; set; }
}
public class Args
{
public string ConnectionString { get; set; }
public string TableName { get; set; }
public List<StandardColumn> Add { get; set; }
public List<StandardColumn> Remove { get; set; }
}

2. 配置应用设置.json

法典：

{
"Serilog": {
"MinimumLevel": "Error",
"WriteTo": [
{
"Name": "MSSqlServer",
"Args": {
"connectionString": "<our connection string>",
"tableName": "Log",
"Remove": [ "Properties" ],
"Add": [ "LogEvent" ]
}
}
]
}
}

3. 将 appsetting.json 绑定到类

   public void ConfigureServices(IServiceCollection services)
   {           
   services.Configure<SerilogConfiguration>(Configuration.GetSection("Serilog"));            
   }
   

4. 访问配置

   public class HomeController : Controller    {
   private readonly SerilogConfiguration _configuration;
   public HomeController(IOptions<SerilogConfiguration> configuration)
   {
   _configuration = configuration.Value;
   }       
   public IActionResult AppSettings()
   {
   var columnOptions = new ColumnOptions();
   var MSSqlServer = _configuration.WriteTo.Where(wt => wt.Name == "MSSqlServer").FirstOrDefault();
   // Don't include the Properties XML column.
   foreach(var columnRemove in MSSqlServer.Args.Remove)
   {
   columnOptions.Store.Remove(columnRemove);
   }
   // Do include the log event data as JSON.
   foreach (var columnAdd in MSSqlServer.Args.Add)
   {
   columnOptions.Store.Add(columnAdd);
   }
   Log.Logger = new LoggerConfiguration()
   .WriteTo.MSSqlServer(MSSqlServer.Args.ConnectionString, MSSqlServer.Args.TableName, columnOptions: columnOptions,
   restrictedToMinimumLevel: _configuration.MinimumLevel)
   .CreateLogger();
   return Ok("OK");
   }    }