Serilog-信息分开的文件，使用appsetting.json的例外 [英] Serilog - Separate files for Information, exception using appsetting.json

问题描述

我正在使用滚动将所有日志写入一个文件.但是我想通过 Information ， Warning 和 Exceptions 滚动文件将它们分开.

I am writing all logs into one file(s) using rolling. But I want to separate them by Information, Warning and Exceptions rolling files.

我当前的配置是这样

     "Serilog": {
    "WriteTo": [
      {
        "Name": "RollingFile",
        "Args": {
          "outputTemplate": "{Timestamp:yyyy-MM-dd HH:mm:ss.fff zzz} [{Level}] {Message}{NewLine}{Exception}",
          "pathFormat": "logs\\log-{Hour}.log",
          "rollOnFileSizeLimit ": true,
          "retainedFileCountLimit ": null,
          "rollingInterval": "Hour",
          "fileSizeLimitBytes": 5000000
        }
      }
    ]
  },

课程

public ILogger GetLogger()
    {
        var configuration = new ConfigurationBuilder()
            .SetBasePath(Directory.GetCurrentDirectory())
            .AddJsonFile("appsettings.json")
            .Build();
        _logger =
            new LoggerConfiguration()
                .ReadFrom.Configuration(configuration)
                .CreateLogger();

        return _logger ;
    }

推荐答案

在Serilog中，您可以通过 Serilog.Sinks.Map .

In Serilog you could do this separation either via sub-loggers or via Serilog.Sinks.Map.

您将无法通过 appsetting.json 配置整个管道，但是您可以使用自定义键轻松地在 appsetting.json 中配置每个文件的路径您的选择，并在通过代码配置日志管道时使用它.

You wouldn't be able to configure the whole pipeline via appsetting.json but you can easily configure the path of each file in appsetting.json using a custom key of your choice, and use that when configuring the log pipeline via code.

使用带有过滤器的子记录器的示例应用于每个人:

Example using sub-loggers with a filter applied to each of them:

Log.Logger = new LoggerConfiguration()
    .MinimumLevel.Verbose()
    .WriteTo.Logger(c =>
        c.Filter.ByIncludingOnly(e => e.Level == LogEventLevel.Debug)
            .WriteTo.File("Debug.log"))
    .WriteTo.Logger(c =>
        c.Filter.ByIncludingOnly(e => e.Level == LogEventLevel.Error)
            .WriteTo.File("Error.log"))
    .CreateLogger();

Log.Debug("This goes to Debug.log only");
Log.Error("This goes to Error.log only");

Log.CloseAndFlush();

---

使用 Serilog.Sinks.Map 映射每个 LogEventLevel 的示例code>到另一个文件.

---

Example using Serilog.Sinks.Map mapping each LogEventLevel to a different file.

Log.Logger = new LoggerConfiguration()
    .MinimumLevel.Verbose()
    .WriteTo.Map(evt => evt.Level, (level, wt) => wt.File($"{level}.log"))
    .CreateLogger();

Log.Debug("This goes to Debug.log only");
Log.Error("This goes to Error.log only");

Log.CloseAndFlush();

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