Mongodb backup shell

#!/bin/bash
#######################MONGODB BACKUP SCRIPTS########################
BACKUP_PATH="/usr/dump/mongodb"
DATE=`date +%Y%m%d_%I%M`
TAR_NAME="mongo_Bak$DATE.tar.gz"
TAR_IN="diodb"
DB_HOST="***"
DB_NAME="***"
DB_USER="***"
DB_PASS="***"

cd $BACKUP_PATH
mongodump -h $DB_HOST -d $DB_NAME -u $DB_USER -p $DB_PASS -o $BACKUP_PATH
tar -czvf $TAR_NAME $TAR_IN