k3s-basic-config

README.md

Install a standard k3s configuration

• Run the command below to install a standard k3s configuration into the /etc/rancher/k3s directory.
• This will set the kubeconfig permissions bits and setup to overwrite the install users ~/.kube/config file with the k3s kubeconfig
• The user executing the script must have sudo privileges

Usage

1. Install the config file
   • curl -sfL https://gist.github.com/mak3r/5e53406d303f46aa3c31af1cc792fe42/raw/install-k3s-config.sh | sh -
2. Install k3s or restart k3s
   • Install
   • curl -sfL https://get.k3s.io | sh -
   • Restart
   • systemctl restart k3s
3. Change the owner of the kubeconfig
   • sudo chown $(whoami):$(id -gn $(whoami)) ~/.kube/config

config.yaml

write-kubeconfig: "/home/{USER}/.kube/config" 
write-kubeconfig-mode: "0600"
tls-san:
  - "{HOSTNAME}"
  - "{IP}"

install-k3s-config.sh

#!/bin/sh

sudo mkdir -p /etc/rancher/k3s

USER=$(whoami)
HOSTNAME=$(hostname)
IP=$(hostname -i | cut -d " " -f 2)

curl -sfL https://gist.github.com/mak3r/5e53406d303f46aa3c31af1cc792fe42/raw/config.yaml | sed "s/{USER}/$USER/g" | sed "s/{HOSTNAME}/$HOSTNAME/g" | sed "s/{IP}/$IP/g" > config.yaml
sudo mv config.yaml /etc/rancher/k3s/config.yaml