我在.NET Core 3.1项目中，并且我正在使用Serilog进行日志管理。该项目部署在IIS下的Windows服务器上。此外，我还有一个文件服务器可用于存储日志文件。 IIS用户对此文件服务器具有读取和写入权限，因为已经有其他Web应用程序登录此服务器。服务器在服务器之间可见且可访问。
我以以下方式实现了Serilog：
public class Program
{
public static void Main(string[] args)
{
CreateHostBuilder(args).Build().Run();
}
public static IHostBuilder CreateHostBuilder(string[] args) =>
Host.CreateDefaultBuilder(args)
.ConfigureWebHostDefaults(webBuilder =>
{
webBuilder.UseStartup<Startup>();
webBuilder.UseIISIntegration();
})
.ConfigureAppConfiguration((context, builder) =>
{
// Here I recover the configuration correctly
var configuration = GetConfiguration();
})
.UseSerilog((hostingContext, loggerConfiguration) =>
{
// hostingContext.Configuration.GetLogOuput() is a custom extension methods.
var pathLogFile = Path.Combine(hostingContext.Configuration.GetLogOutput(), hostingContext.HostingEnvironment.ApplicationName, "concurrentFlat.json");
if (hostingContext.HostingEnvironment.IsDevelopment())
{
loggerConfiguration
.MinimumLevel.Debug()
.Enrich.FromLogContext()
.Enrich.WithMachineName()
.Enrich.WithEnvironmentUserName()
.Enrich.WithProcessId()
.Enrich.WithProcessName()
.Enrich.WithThreadId()
.Enrich.WithProperty("ApplicationName", hostingContext.HostingEnvironment.ApplicationName)
.Enrich.WithProperty("Environment", hostingContext.HostingEnvironment.EnvironmentName)
.WriteTo.Console()
.WriteTo.File(
path: pathLogFile,
formatter: new CompactJsonFormatter(),
rollOnFileSizeLimit: true,
fileSizeLimitBytes: 10000000
);
}
else
{
loggerConfiguration
.MinimumLevel.Information()
.Enrich.FromLogContext()
.Enrich.WithMachineName()
.Enrich.WithEnvironmentUserName()
.Enrich.WithProcessId()
.Enrich.WithProcessName()
.Enrich.WithThreadId()
.Enrich.WithProperty("ApplicationName", hostingContext.HostingEnvironment.ApplicationName)
.Enrich.WithProperty("Environment", hostingContext.HostingEnvironment.EnvironmentName)
.WriteTo.File(
path: pathLogFile,
formatter: new CompactJsonFormatter(),
rollOnFileSizeLimit: true,
fileSizeLimitBytes: 10000000
);
}
});
}
使用开发配置，一切正常，当我尝试在生产环境（始终将环境变量ASPNETCORE_ENVIRONMENT设置为Production）中始终在本地计算机上模拟应用程序的行为时，行为是预期的。此方法：“ hostingContext.Configuration.GetLogOutput（）”从环境变量读取文件服务器的路径。我已经验证它是正确的，但是没有创建文件。
这是一个使用.NET Core ILoggger界面的代码段：
using Microsoft.Extensions.Logging;
public class FooController : Controller
{
private readonly ILogger<FooController> _logger;
public FooController(ILogger<FooController> logger)
{
_logger = logger;
}
public async Task<IActionResult> Get()
{
_logger.LogError("Test Error log");
return Ok();
}
}
您是否知道为什么未在文件服务器上创建日志文件？
提前感谢
我已经测试了您的代码，并且看起来工作良好。因此，我认为您可以检查下面的列表以查看是否与我的有所不同，
<ItemGroup>
<PackageReference Include="Serilog.AspNetCore" Version="3.2.0" />
<PackageReference Include="Serilog.Enrichers.Environment" Version="2.1.3" />
<PackageReference Include="Serilog.Enrichers.Process" Version="2.0.1" />
<PackageReference Include="Serilog.Enrichers.Thread" Version="3.1.0" />
<PackageReference Include="Serilog.Extensions.Logging.File" Version="2.0.0" />
</ItemGroup>
public static class CustomConfigurationExtension
{
public static string GetLogOutput(this IConfiguration config) => "log";
}
Development，Production等）的设置琐碎的appsettings.json路径Startup.cs
.ConfigureHostConfiguration(config =>
{
config.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
.AddJsonFile($"appsettings.{Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? "Production"}.json", optional: true)
.AddEnvironmentVariables();
})
appsettings.json
{
"Serilog": {
"MinimumLevel": {
"Default": "Information",
"Override": {
"Microsoft": "Warning",
"System": "Warning"
}
}
},
"AllowedHosts": "*"
}
上面的大多数示例我都遵循github中的serilog EarlyInitializationSample。这是我测试过的全部内容。希望会有所帮助。
Program.cs
public static IHostBuilder CreateHostBuilder(string[] args) =>
Host.CreateDefaultBuilder(args)
.ConfigureWebHostDefaults(webBuilder =>
{
webBuilder.UseStartup<Startup>();
webBuilder.UseIISIntegration();
})
.ConfigureHostConfiguration(config =>
{
config.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
.AddJsonFile($"appsettings.{Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? "Production"}.json", optional: true)
.AddEnvironmentVariables();
})
.UseSerilog((hostingContext, loggerConfiguration) =>
{
var pathLogFile = Path.Combine(AppDomain.CurrentDomain.BaseDirectory,
hostingContext.Configuration.GetLogOutput(),
hostingContext.HostingEnvironment.ApplicationName,
"concurrentFlat.json"
);
if (hostingContext.HostingEnvironment.IsDevelopment())
{
loggerConfiguration
.MinimumLevel.Debug()
.Enrich.FromLogContext()
.Enrich.WithMachineName()
.Enrich.WithEnvironmentUserName()
.Enrich.WithProcessId()
.Enrich.WithProcessName()
.Enrich.WithThreadId()
.Enrich.WithProperty("ApplicationName", hostingContext.HostingEnvironment.ApplicationName)
.Enrich.WithProperty("Environment", hostingContext.HostingEnvironment.EnvironmentName)
.WriteTo.Console()
.WriteTo.File(
path: pathLogFile,
rollingInterval: RollingInterval.Day,
formatter: new CompactJsonFormatter(),
rollOnFileSizeLimit: true,
fileSizeLimitBytes: 10000000
);
}
else
{
loggerConfiguration
.MinimumLevel.Information()
.Enrich.FromLogContext()
.Enrich.WithMachineName()
.Enrich.WithEnvironmentUserName()
.Enrich.WithProcessId()
.Enrich.WithProcessName()
.Enrich.WithThreadId()
.Enrich.WithProperty("ApplicationName", hostingContext.HostingEnvironment.ApplicationName)
.Enrich.WithProperty("Environment", hostingContext.HostingEnvironment.EnvironmentName)
.WriteTo.File(
path: pathLogFile,
formatter: new CompactJsonFormatter(),
rollOnFileSizeLimit: true,
fileSizeLimitBytes: 10000000
);
}
});