-# new requirement is to get the sql root password, since we need to do some sql db configuration.
-echo -n "Please enter the MySQL root account password: "
-# turn off echo but remember former setting.
-stty_orig=`stty -g`
-stty -echo
-read mysql_passwd
-# turn echo back on.
-stty $stty_orig
+# it's a requirement to have sql root password, since we may need some sql db configuration.
+load_password /etc/mysql/secret_password mysql_passwd
+if [ -z "$mysql_passwd" ]; then
+ read_password "Please enter the MySQL root account password:" mysql_passwd
+fi