TrinityCore Installer bash script

TrinityCoreInstaller.sh

#! /bin/bash
# Since bash is following a Procedural execution, defining functions first is required.

runInstaller ()
{
	ValidateAndInstallDependencies
	valiteUserAndEnterHome
	cloneRepoAndEnterDirectory
	setupDatabase

	compileCore
	writeRestarter
}

ValidateAndInstallDependencies ()
{
	MariaDB=mariadb-server mariadb-client libmariadbclient-dev libmariadbclient18
	MySQL=mysql-server mysql-client libmysqlclient-dev
	CoreDependendies="
		libmysql++-dev
		grep
		build-essential autoconf libtool gcc g++ make cmake
		git-core wget
		p7zip-full
		libncurses5-dev zlib1g-dev libbz2-dev
		openssl libssl-dev
		libreadline6-dev 
		libboost-dev libboost-thread-dev libboost-system-dev libboost-filesystem-dev libboost-program-options-dev libboost-iostreams-dev
		"
 	apt -y install $CoreDependendies $MariaDB
}

valiteUserAndEnterHome () {
	# Check if User TrinityCore exists, if Not the create it.
	User=TrinityCore
	if !getent passwd $User =~ '^[0-9]+$'; then
	    useradd -m $User
	fi

	# Become $User and go Home
	su $User
	cd ~
}

cloneRepoAndEnterDirectory () {
	RepoName=Core
	Branch=3.3.5
	GitRepo="https://github.com/TrinityCore/TrinityCore.git --branch=$Branch"
	# Validate we have GIT installed
	git --version
	    GIT_IS_AVAILABLE=$?
	    if [ ! $GIT_IS_AVAILABLE -eq 0 ]; then
	    	echo "GIT not found.. Attempting to install."
	    	apt install git
	    fi

	git clone $GitRepo $RepoName
	cd $RepoName
}

compileCore ()
{
	BuildDirectory=/home/lotd/$RepoName/build
	if [ ! -d "$BuildDirectory" ]; then
		mkdir $BuildDirectory
	fi
	
	cd $BuildDirectory

	InstallPath=/opt/$User
	CMakeArgs="-DTOOLS=1 -DCMAKE_INSTALL_PREFIX="$InstallPath
	cmake ../ $CMakeArgs
	# @TODO: check if CMake returns good
	
	MakeJobs=grep -c ^processor /proc/cpuinfo + 1
	make -j$MakeJobs
	sudo make install
}

setupDatabase()
{
	# /home/TrinityCore/Core/sql/base
	cd ~/$RepoName/sql/base

	# @TODO: Find a method of retrieving DB name from
	# pullAndExtractData method
	# then append _full_ after TDB at start.
	WorldDBName=TDB_full_world_335.60_2015_11_07
	pullAndExtractDatabase

	echo -n "Enter your database password and press [ENTER]: "
	read password

	# Could make an array and a for loop instead.. oh well..
	mysql -uroot -p$password -e "CREATE DATABASE TrinityCore_auth"
	mysql -uroot -p$password -e "CREATE DATABASE TrinityCore_characters"
	mysql -uroot -p$password -e "CREATE DATABASE TrinityCore_world"

	mysql -uroot -p$password TrinityCore_auth < auth_database.sql
	mysql -uroot -p$password TrinityCore_characters < characters_database.sql
	mysql -uroot -p$password TrinityCore_world < $WorldDBName.sql
}

pullAndExtractDatabase()
{
	WorldDBName=TDB_full_335.60_2015_11_07
	if [ ! -f $WorldDBName.7z ]; then
		# @TODO: find method to validate DB is latest available.
		URL=https://github.com/TrinityCore/TrinityCore/releases/download/TDB335.60/$WorldDBName.7z
		wget $URL
	fi
	
	if [ -f $WorldDBName.7z ]; then	
		7z x $WorldDBName.7z
	fi	
}

writeRestarter ()
{
	touch $InstallPath/restarter.sh
	echo "
		#! /bin/bash
		while true; do
			./worldserver
		wait
		done
	" > $InstallPath/restarter.sh

	$InstallPath/wrapper.sh
	echo "
		#! /bin/bash
		screen -dmS "TrinityCore_world" ./restarter.sh
	" > $InstallPath/wrapper.sh

	chmod +x $InstallPath/wrapper.sh
	chmod +x $InstallPath/restarter.sh
}

# Make sure only root can run our script
if [ "$(id -u)" != "0" ]; then
   echo "This script must be run as root" 1>&2
   exit 1
else
	runInstaller
fi