whip-t2d.sh

#! /bin/bash

# This script is used to configure the essentials of t2d.
## 1 => Check whether the program/application, "Whiptails" exists or not.
## 2 => Making sure that the script is runing with root permissions.
## 3 => Update and Upgrade the VPS.
## 4 => Check whether the program/application, "Dokku" was Installed or not.
## 5 => Upgrading dokku to the latest version.
## 6 => Downloading the latest whip-dokku.sh or easydokku.sh and placing in users VPS.

# Using tput will eliminate the usage of "-e" in echo, and can be used anywhere
## Color Palet
## Should exist in every script
RED="$(tput setaf 1)" # ${RED}
GREEN="$(tput setaf 2)" # ${GREEN}
YELLOW="$(tput setaf 3)" # ${YELLOW}
BLUE="$(tput setaf 123)" # ${BLUE}
END="$(tput setaf 7)" # ${END

# Finding Information about your device
## Basic VPS info
## Should exist in every script
IP="$(ifconfig | grep broadcast | awk '{print $2}')"
OS=$( $(compgen -G "/etc/*release" > /dev/null) && cat /etc/*release | grep ^NAME | tr -d 'NAME="' || echo "${OSTYPE//[0-9.]/}")

# Checking if whiptail is available or not
if which whiptail >/dev/null; then
    echo "${GREEN}whiptail exists${END}"
    # Continue the script
else
    echo "${RED}whiptail does not exist${END}"
    echo "Install whiptail and re-run the script, your OS is ${OS}"
    exit
    # As I already know the OS, I can also automate this process, but will save it for later.
    # This is just a matter of finiding all the possible OS people might use and writing a if statement.
fi

#Check root and if not root take permissions
## It is always better to do this.
## We will not face any further issues, during any sort of compulsory sudo commands; like the case for installing plugins in Dokku or Giving permissions to our scripts
if [ "$(whoami)" == "root" ] ; then
    echo "${YELLOW}Nice you are running the script as root!${END}"
else
    echo "${RED}Please! Run the script with root access${END}, without root access I cannot create plugins in Dokku"
    exit
fi

# Updating and Upgrading system
## Staying up to date is always good
if (whiptail --title "Update and Upgrade System " --yes-button "Yes" --no-button "Skip"  --yesno "Do you wish to Update packges and Upgrade your system?" 10 60) then
    echo "You chose to update your system"
    # Update and skip to next step
    echo "${YELLOW}Updating System${END}"
    sudo dpkg --configure -a
    sudo apt -y --purge autoremove
    sudo apt install -f
    sudo apt -y update
    wait
    echo "${YELLOW}Upgrading System${END}"
    sudo apt -y upgrade
    sudo apt -y autoclean
    sudo apt -y --purge autoremove &
    process_id=$!
    wait $process_id
    echo "Exit status: $?"
else
    echo "${YELLOW}You chose to skip.${END}"
    # Should skip to next step
fi

# Confirming the existance of Dokku
## If exists, promt for update
## If not exits Let him download.
if which dokku >/dev/null; then
    echo "${GREEN}Dokku Exists${END}"
    # Promt for update
    if (whiptail --title "Updating Dokku" --yes-button "Update" --no-button "Skip"  --yesno "Would you like to update your Dokku?" 10 60) then
        echo "${YELLOW}You chose Update.${END}"
        # Update Dokku
        echo "${YELLOW}Upgrading Dokku${END}"
        sudo apt-get -y update -qq
        wait
        sudo apt-get -qq -y --no-install-recommends install dokku herokuish sshcommand plugn gliderlabs-sigil dokku-update dokku-event-listener
        wait
        sudo apt -y upgrade &
        process_id=$!
        wait $process_id
        echo "Exit status: $?"
        echo "${YELLOW}Now you have the latest Version of Dokku${END}"
        # Dokku Updated
    else
        echo "${Yellow}You chose to skip dokku updates.${END}"
        # Dokku Update skipped
    fi
else
    echo "${RED}Dokku does not exist${END}"
    # Show messagebox and make it mandatory to download and install dokku
    whiptail --title "Unable to Detect Dokku" --msgbox "If you want to insatll your app using t2d, it is madatory to install Dokku. So, I would like to install Dokku on behalf of you." 10 60
    wait
    echo "${YELLOW}Downloading Dokku from its Official Repository${END}"
    wget https://raw.githubusercontent.com/dokku/dokku/v0.24.10/bootstrap.sh
    wait
    sudo DOKKU_TAG=v0.24.10 bash bootstrap.sh &
    process_id=$!
    wait $process_id
    echo "Exit status: $?"
    whiptail --title "Confirm Dokku Installation" --msgbox "Before continuing forward, verify Dokku installation by visiting your IP address in your browser.\n\nOne among these IP adresses is your Public IP Address:\n${IP}" 20 60
fi

# Run the main dokku, i.e., whip-dokku
## Might look into other alternatives
## Jump to whip-dokku
## Download wget-dokku and run it