Script for update Ubuntu Server

ubuntu_update.sh

#!/bin/bash
# Written by Ted LeRoy with help from Google and the Linux community
# Follow or contribute on GitHub here:
# https://github.com/TedLeRoy/ubuntu-update.sh
# Edited and update by tsleite


updates(){
# Defining Colors for text output
red=$( tput setaf 1 );
yellow=$( tput setaf 3 );
green=$( tput setaf 2 );
normal=$( tput sgr 0 );

# Defining Header
HEADER="
ubuntu-update.sh Copyright (C) 2018 Ted LeRoy

This program comes with ABSOLUTELY NO WARRANTY see
https://github.com/TedLeRoy/ubuntu-update.sh/blob/master/LICENSE.md

This is free software, and you are welcome to redistribute it
under certain conditions.

Update for tsleite@icloud.com
"
# Defining USAGE Variable to print usage for -h or undefined args

USAGE="
Usage: sudo bash ubuntu-update.sh [-ugdrh]
       No option - Run all options (recommended)
       -u Don't run apt-get update
       -g Don't run apt-get upgrade -y
       -d Don't run apt-get dist-upgrade -y
       -r Don't run apt-get auto-remove
       -h Display Usage and exit
"

# Evaluating Command Line args and setting case variables for later use

while getopts ":ugdrh" OPT; do
  case ${OPT} in
    u ) uOff=1
      ;;
    g ) gOff=1
      ;;
    d ) dOff=1
      ;;
    r ) rOff=1
      ;;
    h ) hOn=1
      ;;
    \?) noOpt=1
  esac
done

# Checking whether script is being run as root

if [[ ${UID} != 0 ]]; then
    echo "${red}
    This script must be run as root or with sudo permissions.
    Please run using sudo.${normal}
    "
    exit 1
fi

# Executing based on option selection

if [[ -n $hOn || $noOpt ]]; then
    echo "${red}$USAGE${normal}"
    exit 2
fi

# Display HEADER

echo "${red}$HEADER${normal}"

if [[ ! -n $uOff ]]; then
        echo -e "\e[32m1] ##### Updating Data Base\e[0m"
        apt-get update -y
fi

if [[ ! -n $gOff ]]; then
    echo -e "\e[32m2] ##### Upgrading Operating System\e[0m"
        apt-get upgrade -y
fi

if [[ ! -n $dOff ]]; then
        apt-get dist-upgrade -y
        echo -e "\e[32m3] ##### Full Upgrade Complete\e[0m"
fi

if [[ ! -n $rOff ]]; then
        apt-get clean -y
        apt autoremove -y
        echo -e "\e[32m4] ##### Apt Clean Complete \e\n\n[0m"
fi

exit 0
echo -e "\e[32m5] ##### No items to check given your chosen options. Exiting.\e[0m\n"
}


app=dialog;apt-mark showinstall | grep -q $app && echo "$app is installed" || sudo apt install dialog -y

HEIGHT=15
WIDTH=40
CHOICE_HEIGHT=4
BACKTITLE="Automation by TSL"
TITLE="MENU"
MENU=""

OPTIONS=(1 "Check Updates"
         2 "Install Terraform"
         3 "none")

CHOICE=$(dialog --clear \
                --backtitle "$BACKTITLE" \
                --title "$TITLE" \
                --menu "$MENU" \
                $HEIGHT $WIDTH $CHOICE_HEIGHT \
                "${OPTIONS[@]}" \
                2>&1 >/dev/tty)

clear
case $CHOICE in
        1)
            #sudo bash  $HOME/.ubuntu_updates.sh
            updates
            ;;
        2)
            sudo apt-get update && sudo apt-get install -y gnupg software-properties-common curl
            curl -fsSL https://apt.releases.hashicorp.com/gpg | sudo apt-key add -
            sudo apt-add-repository "deb [arch=amd64] https://apt.releases.hashicorp.com $(lsb_release -cs) main"
            sudo apt-get update && sudo apt-get install terraform -y
            ;;
        3)
            echo "You chose Option 3"
            ;;
esac