DirectX device plugin for Kubernetes

Requirements

• Windows Server 2019 1809 or above
• docker 19.03 or above
• kubelet for windows has to support device manager, PR made here : https://github.com/kubernetes/kubernetes/pull/80917

Build

GOOS=windows GOARCH=amd64 go build -mod vendor -o k8s-directx-device-plugin.exe cmd/k8s-device-plugin/main.go

Run

c:\k\k8s-directx-device-plugin.exe

Available environments variables :

• PLUGIN_SOCK_DIR default value is c:\var\lib\kubelet\device-plugins\
• DIRECTX_GPU_MATCH_NAME default value is nvidia

How to use

You can now request resources of type microsoft.com/directx in the container definition, the plugin will automatically add class/5B45201D-F2F2-4F3B-85BB-30FF1F953599 as a container device (which is the Docker for Windows way of enabling GPUs in containers).

...
spec:
  containers:
...
    resources:
      requests:
        microsoft.com/directx: "1"
...

Links

• https://docs.microsoft.com/en-us/virtualization/windowscontainers/deploy-containers/gpu-acceleration
• https://kubernetes.io/docs/concepts/extend-kubernetes/compute-storage-net/device-plugins/
• https://techcommunity.microsoft.com/t5/Containers/Bringing-GPU-acceleration-to-Windows-containers/ba-p/393939