我使用 C# / .Net Core 6 (Visual Studio 2022) 创建了一个辅助服务。
如果通过 Visual Studio 运行或直接从 Windows 资源管理器/PowerShell 启动,它会按预期写入日志文件。但是,当作为 Windows 服务安装时,它不会创建或写入日志文件。
这是我的程序.cs:
Log.Logger = new LoggerConfiguration()
.MinimumLevel.Information()
.MinimumLevel.Override("Microsoft", LogEventLevel.Warning)
.MinimumLevel.Override("Microsoft.Hosting.Lifetime", LogEventLevel.Information)
.Enrich.FromLogContext()
.WriteTo.File("./logs/log-.txt", rollingInterval:RollingInterval.Day)
.CreateBootstrapLogger();
try
{
Log.Information("Starting the Service");
IHost host = Host.CreateDefaultBuilder(args)
.UseWindowsService()
.ConfigureAppConfiguration((hostContext, configBuilder) =>
{
configBuilder
//.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json")
.AddJsonFile($"appsettings.{hostContext.HostingEnvironment.EnvironmentName}.json", optional: true, reloadOnChange: true)
.AddJsonFile($"appsettings.{Environment.MachineName}.json", true, true)
.Build();
})
.UseSerilog((context, services, configuration) => configuration
.ReadFrom.Configuration(context.Configuration)
.ReadFrom.Services(services)
.Enrich.FromLogContext())
.ConfigureServices((hostContext, services) =>
{
...
})
.Build();
await host.RunAsync();
}
catch (Exception ex)
{
Log.Fatal(ex, "There was a problem starting the service");
}
finally
{
Log.Information("Service successfully stopped");
Log.CloseAndFlush();
}
我在 appsettings.json 中有这个:
"Serilog": {
"Using": [ "Serilog.Sinks.Console", "Serilog.Sinks.File", "Serilog.Sinks.Debug" ],
"MinimumLevel": {
"Default": "Information",
"Override": {
"Microsoft": "Warning",
"System": "Warning"
}
},
"WriteTo": [
{ "Name": "Console" },
{
"Name": "File",
"Args": {
"path": ".\\logs\\log-.txt",
"rollingInterval": "Day"
}
}
],
"Enrich": [ "FromLogContext" ]
}
如果我包含“SetBasePath”部分,该服务将无法启动(尽管它仍然通过 Visual Studio 运行)。
我从 Visual Studio 发布服务,目标框架 = net6.0,部署模式 = 框架相关,目标运行时 = win-x64。
注意:我在 Program.cs 中创建了一个 Logger,因为我想记录服务的启动和停止/崩溃。