uninstall.sh

#!/usr/bin/env bash

myUNINSTALL_NOTIFICATION="### Now installing required packages ..."
myUSER=$(whoami)
myCYBERPOT_CONF_FILE="/home/${myUSER}/cyberpot/.env"
myANSIBLE_CYBERPOT_PLAYBOOK="installer/remove/cyberpot.yml"

myUNINSTALLER=$(cat << "EOF"
   ______      __              ____        __ 
  / ____/_  __/ /_  ___  _____/ __ \____  / /_
 / /   / / / / __ \/ _ \/ ___/ /_/ / __ \/ __/
/ /___/ /_/ / /_/ /  __/ /  / ____/ /_/ / /_  
\____/\__, /_.___/\___/_/  /_/    \____/\__/  
     /____/                 
EOF
)

# Check if running with root privileges
if [ ${EUID} -eq 0 ];
  then
    echo "This script should not be run as root. Please run it as a regular user."
    echo
    exit 1
fi

# Check if running on a supported distribution
mySUPPORTED_DISTRIBUTIONS=("AlmaLinux" "Debian GNU/Linux" "Fedora Linux" "openSUSE Tumbleweed" "Raspbian GNU/Linux" "Rocky Linux" "Ubuntu")
myCURRENT_DISTRIBUTION=$(awk -F= '/^NAME/{print $2}' /etc/os-release | tr -d '"')

if [[ ! " ${mySUPPORTED_DISTRIBUTIONS[@]} " =~ " ${myCURRENT_DISTRIBUTION} " ]];
  then
    echo "### Only the following distributions are supported: AlmaLinux, Fedora, Debian, openSUSE Tumbleweed, Rocky Linux and Ubuntu."
    echo "### Please follow the CyberPot documentation on how to run CyberPot on macOS, Windows and other currently unsupported platforms."
    echo
    exit 1
fi

# Begin of Uninstaller
echo "$myUNINSTALLER"
echo
echo
echo "### This script will now uninstall CyberPot."
while [ "${myQST}" != "y" ] && [ "${myQST}" != "n" ];
  do
    echo
    read -p "### Uninstall? (y/n) " myQST
    echo
  done
if [ "${myQST}" = "n" ];
  then
    echo
    echo "### Aborting!"
    echo
    exit 0
fi

# Define tag for Ansible
myANSIBLE_DISTRIBUTIONS=("Fedora Linux" "Debian GNU/Linux" "Raspbian GNU/Linux" "Rocky Linux")
if [[ "${myANSIBLE_DISTRIBUTIONS[@]}" =~ "${myCURRENT_DISTRIBUTION}" ]];
  then
    myANSIBLE_TAG=$(echo ${myCURRENT_DISTRIBUTION} | cut -d " " -f 1)
  else
    myANSIBLE_TAG=${myCURRENT_DISTRIBUTION}
fi

# Check type of sudo access
sudo -n true > /dev/null 2>&1
if [ $? -eq 1 ];
  then
    myANSIBLE_BECOME_OPTION="--ask-become-pass"
    echo "### ‘sudo‘ not acquired, setting ansible become option to ${myANSIBLE_BECOME_OPTION}."
    echo "### Ansible will ask for the ‘BECOME password‘ which is typically the password you ’sudo’ with."
    echo
  else
    myANSIBLE_BECOME_OPTION="--become"
    echo "### ‘sudo‘ acquired, setting ansible become option to ${myANSIBLE_BECOME_OPTION}."
    echo
fi

# Run Ansible Playbook
echo "### Now running CyberPot Ansible Uninstallation Playbook ..."
echo
rm ${HOME}/uninstall_cyberpot.log > /dev/null 2>&1
ANSIBLE_LOG_PATH=${HOME}/uninstall_cyberpot.log ansible-playbook ${myANSIBLE_CYBERPOT_PLAYBOOK} -i 127.0.0.1, -c local --tags "${myANSIBLE_TAG}" ${myANSIBLE_BECOME_OPTION}

# Something went wrong
if [ ! $? -eq 0 ];
  then
    echo "### Something went wrong with the Playbook, please review the output and / or uninstall_cyberpot.log for clues."
    echo "### Aborting."
    echo
    exit 1
  else
    echo "### Playbook was successful."
    echo "### Now removing ${HOME}/cyberpot."
    sudo rm -rf ${HOME}/cyberpot
    rm -rf ${HOME}/cyberpot.yml
    echo
fi

# Done
echo "### Done. Please reboot and re-connect via SSH on tcp/22."
echo