#! /bin/bash

# Script to add an user in the cluster.
# Launch this script as su in the frontend to add an user across all nodes in the cluster.
# All nodes in the cluster are assumed to have been connected and active

# Prompt for adding an user ID
read -p "User ID to add " user

if [[ -d /share/home/$user ]]; then echo "/share/home/$user exists. Will not creat any."; else useradd -d /share/home/$user $user; usermod -g users; passwd $use; fi

#if [[ -d /share/home/$user ]]; then echo "/share/home/$user exists. Will not creat any."; else echo /share/home/$user $user; usermod -g users; echo groups $user; fi


HOSTNAME=$(cat /etc/hostname)
hosts=$(cat /etc/hosts | grep 192 | awk {'print $1}')
for rn in $hosts
do
### remotely creat a user in the remote node
        echo 'Be careful: Please provide the right password when prompted.'
		echo 'Be careful: Please provide the root password to enter' $rn
        ssh root@$rn "if [[ -f /share/home/$user ]]; then  echo "/share/home/$user exists. Will not creat any."; else useradd -d /share/home/$user $user ; usermod -g users; echo 'Please key in the new password for user '$user ; passwd $user ; fi"
done