A proof-of-concept Kubernetes device plugin for testing mosvector/linux-char-device-driver
docker build -t github.com/mosvector/k8s-device-plugin:latest .
kind create cluster
kind load docker-images github.com/mosvector/k8s-device-plugin:latest
kubectl apply -f kube/daemonset.yml
kubectl apply -f kube/test-pod.yml$ kubectl get pod -n kube-system -l app=mosvector-device-plugin
NAME READY STATUS RESTARTS AGE
mosvector-device-plugin-5ppvf 1/1 Running 0 38m
mosvector-device-plugin-v69v2 1/1 Running 0 38m
$ kubectl logs -n kube-system $(kubectl get pods -n kube-system -l app=mosvector-device-plugin -o jsonpath='{.items[?(@.spec.nodeName=="kind-worker")].metadata.name}')
2024/10/26 01:56:32 Starting MosvectorDevicePlugin...
2024/10/26 01:56:32 Socket found; server is up and running.
2024/10/26 01:56:32 Registering MosvectorDevicePlugin with Kubelet...
2024/10/26 01:56:32 Serving gRPC server for MosvectorDevicePlugin...
2024/10/26 01:56:32 GetDevicePluginOptions called.
2024/10/26 01:56:32 ListAndWatch called. Sending initial device list...
2024/10/26 01:56:32 Successfully registered MosvectorDevicePlugin with Kubelet.
2024/10/26 01:56:32 MosvectorDevicePlugin is running. Waiting indefinitely...
2024/10/26 01:56:32 Initial device list sent successfully.
2024/10/26 01:56:32 ListAndWatch: Sending updated device health status...
$ kubectl exec -it pod/test-mosvector-device -- cat /dev/mosvector
Hello, World!$ uname -a
Linux RaspberryPi 6.6.31+rpt-rpi-2712 #1 SMP PREEMPT Debian 1:6.6.31-1+rpt1 (2024-05-29) aarch64 GNU/Linux
$ go version
go version go1.23.2 linux/arm64
$ docker version
Client: Docker Engine - Community
Version: 27.3.1
API version: 1.47
Go version: go1.22.7
Git commit: ce12230
Built: Fri Sep 20 11:41:19 2024
OS/Arch: linux/arm64
Context: default
Server: Docker Engine - Community
Engine:
Version: 27.3.1
API version: 1.47 (minimum version 1.24)
Go version: go1.22.7
Git commit: 41ca978
Built: Fri Sep 20 11:41:19 2024
OS/Arch: linux/arm64
Experimental: false
containerd:
Version: 1.7.22
GitCommit: 7f7fdf5fed64eb6a7caf99b3e12efcf9d60e311c
runc:
Version: 1.1.14
GitCommit: v1.1.14-0-g2c9f560
docker-init:
Version: 0.19.0
GitCommit: de40ad0
$ kind version
kind v0.24.0 go1.22.6 linux/arm64
$ kubectl get nodes
NAME STATUS ROLES AGE VERSION
kind-control-plane Ready control-plane 31d v1.31.0
kind-worker Ready <none> 31d v1.31.0
kind-worker2 Ready <none> 31d v1.31.0