Create user script update: allow no password, allow different password length

bin/create_user.sh

@@ -87,6 +87,12 @@ if [ ! -d "${HOME_FOLDER}" ]; then
 	echo "Home folder location not found: ${HOME_FOLDER}";
 	error=1;
 fi;
+# allow 10 to 39 length for password
+if ! [[ "${PASSWORD_LENGTH}" =~ ^[13][0-9]$ ]] || [ -z ${PASSWORD_LENGTH} ]; then
+	echo "Password length set error, can only be a value between 10 and 39";
+	error=1;
+fi;
+error=1;
 # home dir error abort
 if [ $error -eq 1 ]; then
 	exit;
@@ -310,6 +316,10 @@ while read i; do
 		# password + store pwgen 10 1 -1
 		if [ -z "${_password}" ]; then
 			password=$(printf "%s" $(pwgen 14 1));
+		elif [ "${_password}" = "SET_NO_PASSWORD" ]; then
+			# set empty
+			echo "* No password set";
+			password="";
 		else
 			echo "! Override password set";
 			password=${_password};