pre_freeze script (MySQL)

#!/bin/sh
#pre-freeze-script
date >> /scripts/pre_root.log
echo -e "\n Checking if  pre-freeze script for PostgrSQL as root user\n" >> /scripts/pre_root.log
if [ "$(id -u)" -eq "0" ]; then
    echo -e "\n Running as root" >> /scripts/pre_root.log
    /scripts/quiesce
    if [ $? -ne 0 ] 
    then
        echo -e "\n Unable to quiesce PostgrSQL DB\n" >> /scripts/pre_root.log
        exit 1
    fi
    echo -e "\n Database is in quiesce mode now\n" >> /scripts/pre_root.log
else
    echo -e "not root user\n" >> /scripts/pre_root.log
fi