#!/bin/bash

# Ensure the script is run as root
if [ "$(id -u)" != "0" ]; then
   echo "This script must be run as root" 1>&2
   exit 1
fi

# Update and Upgrade the System
apt update && apt upgrade -y

# Install sudo and other necessary packages
apt install -y sudo openssh-server

# Create the ansible user
useradd -m -s /bin/bash ansible

# Set up SSH for the ansible user
mkdir -p /home/ansible/.ssh
chmod 700 /home/ansible/.ssh
touch /home/ansible/.ssh/authorized_keys
chmod 600 /home/ansible/.ssh/authorized_keys

# Replace 'your_public_key' with the actual public key
echo 'your_public_key' > /home/ansible/.ssh/authorized_keys

# Change ownership of the .ssh directory to the ansible user
chown -R ansible:ansible /home/ansible/.ssh

# Configure sudo privileges
echo 'ansible ALL=(ALL) NOPASSWD:ALL' > /etc/sudoers.d/ansible

# Ensure the sudoers file is secure
chmod 0440 /etc/sudoers.d/ansible

# Install Ansible
apt install -y ansible

echo "Ansible and user setup complete."