#!/bin/bash

if [ -f /var/spool/cron/crontabs/root ];then
        grep update_time.sh  /var/spool/cron/crontabs/root &> /dev/null
        if [ $? = 0 ];then
                sed -i '/update_time.sh/d'   /var/spool/cron/crontabs/root
                echo "*/1  * * * *   sysadmin    /usr/sbin/update_time.sh"  >> /etc/crontab
        fi
else
        grep  update_time.sh  /etc/crontab  | grep  sysadmin   &> /dev/null
        if [ $? != 0 ];then
                echo "*/1  * * * *   sysadmin    /usr/sbin/update_time.sh"  >> /etc/crontab
        fi
fi


#d5000 cron example
cp d5000_cron_example.sh   /opt/

#ntp client 
if [ -f /usr/sbin/update_time.sh ];then
        chmod +x /usr/sbin/update_time.sh
        chown sysadmin:sysadmin /usr/sbin/update_time.sh
else

cat > /usr/sbin/update_time.sh << 'EOF'
#!/bin/bash
NTPSERVER_A=''
NTPSERVER_B=''
NTPDATE='/usr/sbin/ntpdate'
${NTPDATE}  ${NTPSERVER_A} || ${NTPDATE} ${NTPSERVER_B}
hwclock -w
EOF
	
        ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
        chmod +x /usr/sbin/update_time.sh
        chown sysadmin:sysadmin /usr/sbin/update_time.sh
fi

#ntp server
sed -i '/ntps1*/d'  /etc/ntp/ntp.conf
sed -i '/ntp1*/d'  /etc/ntp/ntp.conf