#!/bin/bash
#################################################################
##################    Create User mongod         ################
#################################################################

#Creates mongod group and user with password
#call the script with password for mongod as arguements
ROOT_UID=0
SUCCESS=0
E_USEREXISTS=70

# Run as root
if [ "$UID" -ne "$ROOT_UID" ]
then
  echo "Must be root to run this script."
  exit $E_NOTROOT
fi

#test, if argument is there
if [ $# -eq 1 ]; then
group=mongod
username=mongod
pass=$1

	# Check if user already exists.
	grep -q "$username" /etc/passwd
	if [ $? -eq $SUCCESS ]
	then
	echo "User $username does already exist."
  	echo "please chose another username."
	exit $E_USEREXISTS
	fi
  groupadd $group
	useradd -p $pass -d /home/$username -m -g $group -s /bin/bash $username

	echo "the account is setup"

else
        echo  " this programm needs 2 arguments you have given $# "
        echo  " you have to call the script $0 password"
fi
exit 0