system-upgrade-controller

Provides a kubernetes-native way to manage host node upgrades.

Notes

• Manual drain and restart of k3s may be necessary

  # from admin
  kubectl drain <node> --delete-emptydir-data --ignore-daemonsets --force

  # from k3s node
  sudo systemctl k3s stop
  sudo systemctl k3s start

Source: kubernetes/apps/system-upgrade/README.md