Create a devops user with small customizations

cloud-init-user.sh

#!/bin/bash

USER="<ADD-THE-USER-HERE!!!>"
PUBLIC_KEY="<ADD-THE-PUBLIC-KEY-HERE!!!>"

# Function to display a fancy message
fancy_echo() {
    printf "\n\e[1;36m%s\e[0m\n" "$1"
}

fancy_echo "Updating and installing required packages..."
yum -y update && yum -y install epel-release zsh util-linux-user vim-enhanced

fancy_echo "Creating a new group named devops..."
groupadd --gid 2024 devops

fancy_echo "Creating a new user with the specified username, home directory, and adding to the devops group..."
useradd -m -g devops $USER

fancy_echo "Allowing members of the devops group to run sudo without a password..."
echo "%devops ALL=(ALL) NOPASSWD: ALL" | sudo tee -a /etc/sudoers.d/devops

fancy_echo "Changing the user's shell to Zsh..."
chsh --shell $(which zsh) $USER

fancy_echo "Adding SSH public key to authorized_keys..."
mkdir -p /home/$USER/.ssh
echo "$PUBLIC_KEY" > /home/$USER/.ssh/authorized_keys
chmod 700 /home/$USER/.ssh
chmod 600 /home/$USER/.ssh/authorized_keys
chown -R $USER:devops /home/$USER/.ssh

fancy_echo "Setup completed successfully!"