Make alternative container runtimes easier to use

[vitorsavian]

RKE2 tracking issue for

• Make alternative container runtimes easier to use k3s-io/k3s#8700

[ShylajaDevadiga]

Validated using latest commit id on master branch d0b1b07

Environment Details

Infrastructure
Cloud EC2 instance

Node(s) CPU architecture, OS, and Version:

$ cat /etc/os-release
NAME="Oracle Linux Server"
VERSION="9.3"
ID="ol"
ID_LIKE="fedora"
VARIANT="Server"
VARIANT_ID="server"
VERSION_ID="9.3"
PLATFORM_ID="platform:el9"
PRETTY_NAME="Oracle Linux Server 9.3"

Cluster Configuration:
Single node

Config.yaml:

cat /etc/rancher/rke2/config,yaml
write-kubeconfig-mode: "0644"

Steps to reproduce the issue and validate the fix

1. Create files for represent adding pre config for another containerd runtimes
2. Install rke2
3. Check config.toml

Validation results:

sudo touch /usr/bin/containerd-shim-lunatic-v1
sudo touch /usr/sbin/containerd-shim-spin-v1
sudo touch /usr/bin/nvidia-container-runtime

sudo curl -sfL https://get.rke2.io | sudo INSTALL_RKE2_COMMIT="d0b1b0765ca90839eeea544a030640cd55984a57" sh -
sudo systemctl enable rke2-server
sudo systemctl start rke2-server

sudo cat /var/lib/rancher/rke2/agent/etc/containerd/config.toml | grep -E 'lunatic|spin|nvidia'
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes."lunatic"]
  runtime_type = "io.containerd.lunatic.v2"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes."lunatic".options]
  BinaryName = "/usr/bin/containerd-shim-lunatic-v1"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes."nvidia"]
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes."nvidia".options]
  BinaryName = "/usr/bin/nvidia-container-runtime"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes."spin"]
  runtime_type = "io.containerd.spin.v2"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes."spin".options]
  BinaryName = "/usr/sbin/containerd-shim-spin-v1"