#!/usr/bin/env bash
	sudo_cmd=""
	if hash sudo 2>/dev/null; then
		sudo_cmd="sudo"
                echo "Requires sudo permission to install Dgraph in Systemd."
		if ! $sudo_cmd -v; then
			print_error "Need sudo privileges to complete installation."
			exit 1;
		fi
	fi

$sudo_cmd groupadd --system dgraph
$sudo_cmd useradd --system -d /var/lib/dgraph -s /bin/false -g dgraph dgraph
$sudo_cmd mkdir -p /var/log/dgraph
$sudo_cmd mkdir -p /var/lib/dgraph/{p,w,zw}
$sudo_cmd chown -R dgraph:dgraph /var/{lib,log}/dgraph