function beforeClean{
    echo -e "\n Before clean up disk usage: \n"
    df -h
}
function cdTolog{
    cd /home/$1/OnosSystemTest/TestON/logs
}
function cleaning{
    if [ $? -eq 0 ]
    then
        echo "Checking if there are logs older than ${DAYS_OLD} days...."
        for i in $(find . -mtime +${DAYS_OLD} -type d)
        do
        echo -e "DIRs older than $DAYS_OLD are: "
        echo $i
        rm -rf $i
        done
    fi
}
function afterClean{
    echo -e "\n After clean up disk usage:\n"
    df -h

}