使用容器环境变量绑定奇异性的路径
我有一个用 Scientific Filesystem ）应用程序。 我以奇异性运行-App MyApp image.sif运行容器，因此，我有环境变量scif_appdata =/scif/scif/data/myapp在容器中设置。
我想使用此环境变量绑定路径。类似：
singularity run -B /my/path/on/host/:$SCIF_APPDATA/input/
不幸的是这不起作用。我没有设法将奇点用作安装路径，其“内部”值的环境变量。
我必须明确传递环境变量的值：
singularity run -B /my/path/on/host/:/scif/data/myapp/input
是否有人知道如何在绑定路径中使用容器环境变量？
I have a singularity container built with a scientific filesystem app.
I run the container with singularity run --app myapp image.sif and, accordingly, I have the environment variable SCIF_APPDATA=/scif/data/myapp set inside the container.
I'd like to bind a path using this environment variable. Something like:
singularity run -B /my/path/on/host/:$SCIF_APPDATA/input/
Unfortunately this does not work. I didn't manage to make singularity use as a mount path the environment variable with its "internal" value.
I have to explicitly pass the value of the environment variable:
singularity run -B /my/path/on/host/:/scif/data/myapp/input
Does anybody know how to use container environment variables in bind paths?
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我认为不可能在绑定语句中直接使用来自容器内部的环境变量。但是，您可以分两个步骤执行此操作，首先调用
singularity exec以获取变量的值，然后将其与sickularity Run不要忘记后斜手逃避回声命令中的$。
注意：不确定为什么，但是当我直接使用
echo时，它对我不起作用，因此用bash -c包装。I don't think it is possible to directly use environment variables from inside the container in the bind statement. However, you can do it in two steps, first a call to
singularity execto get the value of the variable, then use it withsingularity run:Don't forget the backslash to escape the $ in the echo command.
Note: Not sure why but it doesn't work for me when I directly use
echo, hence the wrapping withbash -c.