Align driver symlinks with libnvidia-container

[elezar]

This change aligns the creation of symlinks under CDI with
the implementation in libnvidia-container. If the driver libraries
are present, the following symlinks are created:

• {{ .LibRoot }}/libcuda.so -> libcuda.so.1
• {{ .LibRoot }}/libnvidia-opticalflow.so -> libnvidia-opticalflow.so.1
• {{ .LibRoot }}/libGLX_indirect.so.0 -> libGLX_nvidia.so.{{ .Version }}

[cdesiniotis]

The code you linked for tegra creates libcuda.so -> libcuda.so.1 while the code below seems to be creating libcuda.so -> libcuda.so.RM_VERSION. Why the difference?

[elezar]

You're right. I was trying to simplify things by linking to the .RM_VERSION, but since we have the following the driver manifest:

libcuda.so.550.120 0755 CUDA_LIB NATIVE / MODULE:gpgpu
libcuda.so.1 0000 CUDA_SYMLINK NATIVE / libcuda.so.550.120 MODULE:gpgpu
libcuda.so 0000 CUDA_SYMLINK NATIVE / libcuda.so.1 MODULE:gpgpu

we should link to libcuda.so.1.

[klueska]

Yes, the smylink should be to libcuda.so.1 not the actual .RM_VERSION file.

[elezar]

Updated in latest.

[klueska]

There are other libraries that we create these one-off symlinks for in libnvidia-container. Should we also add these as part of this PR?
https://github.com/NVIDIA/libnvidia-container/blob/921e2f3197385173cf8670342e96e98afe9b3dd3/src/nvc_mount.c#L548

[elezar]

There are other libraries that we create these one-off symlinks for in libnvidia-container. Should we also add these as part of this PR? https://github.com/NVIDIA/libnvidia-container/blob/921e2f3197385173cf8670342e96e98afe9b3dd3/src/nvc_mount.c#L548

Yes. This was the intent of the comment above the link. I think doing it now makes sense and will update.

[elezar]

Backport PR created as #724