Overridden container path of libs and binaries for nvidia-ctk cdi generate?

[qiutongs]

If I understand correctly, it is not supported today that container path of libs and binaries can be overridden for nvidia-ctk cdi generate. Does it make sense to add new flags? I want to generate a CDI spec as close as to the one in GPU DRA.

[krishkhinchi]

Hi @qiutongs,

You’re understanding it correctly. Right now, nvidia-ctk cdi generate doesn’t support overriding the container paths for injected libraries and binaries. The paths are effectively fixed to match NVIDIA’s default container layout.

Adding flags to override those paths does make sense, especially if the goal is to generate a CDI spec that closely matches GPU DRA behavior. That would help with consistency across runtimes and make it easier to align with DRA-managed environments or custom container images.

This would likely be a reasonable feature request: optional flags for container-side paths, with sensible defaults to preserve current behavior. It’s a niche need today, but very relevant for anyone working with DRA or non-standard container layouts.

---

If this answer solve your all doubts so can you please mark my answer as solved
or if did not solved yet so please tell me your doubt

[qiutongs]

Thank you for the thoughts. What you said makes lots of sense.

I installed GPU driver under /var/lib/nvidia. I ran nvidia-ctk cdi generate (v1.17.8). The current behavior seems that (1) driver root is auto-detected on host and (2) container path is the same with host path. This sounds right?

I'll create a feature request as you said. Thank you!

[krishkhinchi]

Welcome, btw If this answer solve your all doubts so can you please mark my answer as solved
or if did not solved yet so please tell me your doubt

[qiutongs]

I installed GPU driver under /var/lib/nvidia. I ran nvidia-ctk cdi generate (v1.17.8). The current behavior seems that (1) driver root is auto-detected on host and (2) container path is the same with host path. This sounds right?

Oh, I just have a follow-up question on current behavior. Can you help confirm this is true?

[krishkhinchi]

Yes, that’s correct.

With nvidia-ctk 1.17.8:
The NVIDIA driver root is auto-detected on the host (for example /var/lib/nvidia).
The same paths are used inside the container as on the host.

[krishkhinchi]

can you please mark my answer as solved?