Small script to setup ssh keys and configs on Unraid to persist after boot. Supports multiple users.

setup_unraid_ssh.sh

#!/bin/bash

# Add this line into /boot/config/go where username is the user you want to setup, probably root
#/boot/config/ssh/setup_ssh_client.sh "username"

if [[ "$1" == "" ]]; then
  echo "Invalid User!"
  exit 1
fi

if [[ ! -d "/boot/config/ssh/user_configs" ]]; then
  echo "User Configs Dir doesn't exist!"
  echo "/boot/config/ssh/user_configs"
  exit 2
fi

if [[ ! -d "/boot/config/ssh/user_configs/${1}" ]]; then
  mkdir "/boot/config/ssh/user_configs/${1}"
  echo "Empty ssh user configs directory"
fi

if [[ "$1" == "root" ]]; then
  USER_DIR="/root"
else
  USER_DIR="/home/${1}"
fi

SSH_DIR="${USER_DIR}/.ssh"

ssh_files=( "id_rsa" "id_rsa.pub" "config" "authorized_keys" )

mkdir -p "${SSH_DIR}"
chown "$1" "${SSH_DIR}"
chmod 755 "${SSH_DIR}"
for ssh_file in "${ssh_files[@]}"
do
   :
   if [[ -f "/boot/config/ssh/user_configs/${1}/${ssh_file}" ]]; then
     cp "/boot/config/ssh/user_configs/${1}/${ssh_file}" "${SSH_DIR}/${ssh_file}"
     chmod 600 "${SSH_DIR}/${ssh_file}"
  fi
done

exit 0