Docker Install

install_docker.sh

#!/bin/bash
# Install Docker Ubuntu
# Ubuntu 20.04.2 LTS (Focal Fossa)
# Author : Lucho | Just Me
# Linkedin : https://www.linkedin.com/in/luis-octavio-mota-verdasco-sys-admin/

banner(){
	# Banner
        echo "                                                                      "
        echo "     ____             __                ____           __        ____ "
        echo "    / __ \____  _____/ /_____  _____   /  _/___  _____/ /_____ _/ / / "
        echo "   / / / / __ \/ ___/ //_/ _ \/ ___/   / // __ \/ ___/ __/ __  / / /  "
        echo "  / /_/ / /_/ / /__/ ,< /  __/ /     _/ // / / (__  ) /_/ /_/ / / /   "
        echo " /_____/\____/\___/_/|_|\___/_/     /___/_/ /_/____/\__/\__,_/_/_/    "
        echo "                                                                      "
}

updated(){
        $(apt update 2>/dev/null 1>/dev/null)
}

unistalled_old(){
        $(apt-get remove docker docker-engine docker.io containerd runc -y --purge --autoremove 2>/dev/null 1>/dev/null)
}

installed(){
        $(apt-get update 2>/dev/null 1>/dev/null)
        $(apt-get install apt-transport-https ca-certificates curl gnupg lsb-release -y 2>/dev/null 1>/dev/null)
        $(curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg 2>/dev/null 1>/dev/null)
        $(echo "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null)
	$(apt-get update 2>/dev/null 1>/dev/null)
	$(apt-get install docker-ce docker-ce-cli containerd.io -y 2>/dev/null 1>/dev/null)
}

users(){
	# User
	echo -n "Escribe tu nombre de usuario: "
        read user
        $(usermod -aG docker $user)
        echo "[*] Asignando Permisos"
        sleep 5
	testing
}

testing(){
	# Testing
        echo -n "Desplegaremos un Contenedor de Prueba [y/n]: "
        read con
        if [ $con = 'y' ]; then
                docker run hello-world
                echo "[*] Finalizado"
        else
                echo "[*] Finalizado"
        fi
}

compose(){
        $(curl -L "https://github.com/docker/compose/releases/download/1.29.1/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose 2>/dev/null 1>/dev/null)
        $(chmod +x /usr/local/bin/docker-compose)
}

# Main
if [ $(whoami) = 'root' ]; then
	#Banner
	banner

	# Update
	echo "[*] Actualizando Sistema"
	updated
	echo "[*] Hecho"
	sleep 5

	# Unistall Old Versions
	echo "[*] Desintalando Versiones Anteriores"
	unistalled_old
	echo "[*] Hecho"
	sleep 5

	# Install
	echo "[*] Instalando"
	installed
	echo "[*] Hecho"
	sleep 5
	
	 # Compose
        echo "[*] Instalando Compose"
        compose
        echo "[*] Hecho"

	# Users
	echo -n "Quieres asignar permisos a un usuario no root [y/n]: "
	read per
	if [ $per = 'y' ]; then
		# User
		users
	else
		testing
	fi

else
	echo " "
	echo "[-] Modo de Ejecucion"
	echo "sudo docker.sh"
	echo " "
fi