Example cloud-init to enable rootless mode on k3OS

k3os-rootless.yaml

run_cmd:
- "echo 0 > /proc/sys/kernel/dmesg_restrict"
- "chmod a+r /dev/kmsg"
- "touch /var/log/k3s-service.log"
- "chown rancher /var/log/k3s-service.log"
- "if [ ! -f /var/lib/rancher/k3s/agent/etc ]; then mkdir -p /var/lib/rancher/k3s/agent/etc; fi"
- "chown -R rancher /var/lib/rancher/k3s/agent/etc"
k3os:
  modules:
  - overlay
  - nf_conntrack
  - br_netfilter
  - iptable_nat
  sysctls:
    kernel.dmesg_restrict: "0"
  k3s_args:
  - --rootless
  password: rancher