ASP.NET:检查是否从迁移运行 [英] ASP.NET: Check if run from migration

问题描述

我的 ConfigureServices 中有一些代码在运行迁移时失败:

I have some code in my ConfigureServices that fails when running a migration:

dotnet ef migrations list

我正在尝试添加证书，但是找不到文件(在整体启动项目时可以使用).有没有办法做这样的事情:

I'm trying to add a Certificate but it can't find the file (it works when starting the project as a whole). So is there a way to do something like this:

if (!CurrentEnvironment.IsMigration()) {
    doMyStuffThatFailsInMigration()
}

这样，我可以保留我的代码，但是在不运行迁移时仅执行它即可.

That way I could keep my code as it is but just execute it when not running it in a migration.

谢谢

推荐答案

只需在Main方法中设置一个静态标志(dotnet-ef工具不会调用):

Just set a static flag in the Main method (which is not called by the dotnet-ef tool):

public class Program
{
    public static bool IsStartedWithMain { get; private set; }

    public static void Main(string[] args)
    {
        IsStartedWithMain = true;
        ...
    }
}

，然后在需要时进行检查:

and then check it when needed:

internal static void ConfigureServices(WebHostBuilderContext context, IServiceCollection services)
{
    if (Program.IsStartedWithMain)
    {
        // do stuff which must not be run upon using the dotnet-ef tool
    }
}

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