#!/bin/sh # IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html # #--------------------------------------------------------------------------- # setup NTP configuration on the compute nodes # #--------------------------------------------------------------------------- # if on the Management Node, exit if [ -e /etc/xCATMN ]; then logger -t xcat -p local4.info "setupntp:Running on the Management Node , exiting " exit 0 fi master=$MASTER setup=0 sitemaster=$SITEMASTER conf_file="/etc/ntp.conf" conf_file_org="/etc/ntp.conf.org" conf_file_backup="/etc/ntp.conf.postbackup" # pmatch determines if 1st argument string is matched by 2nd argument pattern pmatch () { case $1 in $2) return 0;; # zero return code means string matched by pattern esac return 1 # non-zero return code means string not matched by pattern } # is_lsb_ubuntu exit status indicates whether system appears to be Ubuntu. # Using required /etc/lsb-release file, instead of optional lsb_release command. is_lsb_ubuntu () { awk ' (match($0, "^[ \t]*DISTRIB_ID=") == 1) { # A DISTRIB_ID line id = substr($0, RLENGTH + 1) # Save its value } END { # Examine last DISTRIB_ID value to see if Ubuntu indicated if (match(id, "^(Ubuntu|\"Ubuntu\")[ \t]*$") == 1) { exit 0 # Ubuntu } exit 1 # Not Ubuntu } ' /etc/lsb-release >/dev/null 2>&1 # Routine exit status is exit status of the last command -- the awk script. # # Note: if /etc/lsb-release does not exist, the exit status indicates # failure (not Ubuntu), which is the correct outcome. } logger -t xcat "Install: Setup NTP" # if master is the sitemaster, then use the ntpservers defined in the site # table, if they exist. If they don't exist, do not setup ntp # else use the master which should be a service node if [ "$master" = "$sitemaster" ]; then if [ $NTPSERVERS ]; then if [ "$NODESETSTATE" = "statelite" ]; then cp -a $conf_file $conf_file_org echo "" > $conf_file else if [ ! -f $conf_file_org ]; then mv -f $conf_file $conf_file_org else mv -f $conf_file $conf_file_backup fi fi if [ "$NTPSERVERS" = "<xcatmaster>" ] || [ "$NTPSERVERS" = "" ]; then echo "server $master" >>$conf_file else for i in $(echo $NTPSERVERS | tr ',' ' ') do echo "server $i" >>$conf_file master=$i done fi else echo "server $master" >$conf_file fi else if [ "$NODESETSTATE" = "statelite" ]; then cp -a $conf_file $conf_file_org echo "" > $conf_file else if [ ! -f $conf_file_org ]; then mv -f $conf_file $conf_file_org else mv -f $conf_file $conf_file_backup fi fi if [ $NTPSERVERS ]; then if [ "$NTPSERVERS" = "<xcatmaster>" ] || [ "$NTPSERVERS" = "" ]; then echo "server $master" >>$conf_file else for i in $(echo $NTPSERVERS | tr ',' ' ') do echo "server $i" >>$conf_file master=$i done fi else echo "server $master" >$conf_file fi fi OS_TYPE=`uname` if [ $OS_TYPE = Linux ]; then mkdir -p /var/lib/ntp chown ntp /var/lib/ntp echo "driftfile /var/lib/ntp/drift disable auth restrict 127.0.0.1" >>$conf_file # default service for redhat/fedora SERVICE=ntpd if ( pmatch $OSVER "sles*" ) || ( pmatch $OSVER "suse*" ) || [ -f /etc/SuSE-release ] || ( pmatch $OSVER "ubuntu*" ) || ( is_lsb_ubuntu ); then SERVICE=ntp fi #ntpdate/sntp conflict with ntpd, stop the service first service $SERVICE status if [ $? -eq 0 ];then service $SERVICE stop fi #ntpdate program is deprecated on SuSE if ( pmatch $OSVER "sles*" ) || ( pmatch $OSVER "suse*" ) || [ -f /etc/SuSE-release ]; then logger -t xcat "sntp -P no -r $master" sntp -P no -r $master if [ "$?" != "0" ];then echo " sntp -P no -r $master failed" logger -t xcat "sntp -P no -r $master failed" fi else logger -t xcat "ntpdate -t5 $master " ntpdate -t5 $master if [ "$?" != "0" ];then echo " ntpdate -t5 $master failed" logger -t xcat "ntpdate -t5 $master failed" fi fi #setup the hardware clock hwclock --systohc --utc #setup the RTC is UTC format, which will be used by os if ( pmatch $OSVER "sles*" ) || ( pmatch $OSVER "suse*" ) || [ -f /etc/SuSE-release ];then sed -i 's/.*HWCLOCK.*/HWCLOCK="-u"/' /etc/sysconfig/clock elif [ -f "/etc/debian_version" ];then sed -i 's/.*UTC.*/UTC=yes/' /etc/default/rcS else grep -i "utc" /etc/sysconfig/clock if [ $? -eq 0 ];then sed -i 's/.*UTC.*/UTC=yes/' /etc/sysconfig/clock else echo "UTC=yes" >> /etc/sysconfig/clock fi fi #update the hardware clock automaticly if [ -f "/etc/sysconfig/ntpd" ];then grep -i "SYNC_HWCLOCK" /etc/sysconfig/ntpd if [ $? -eq 0 ];then sed -i 's/.*SYNC_HWCLOCK.*/SYNC_HWCLOCK=yes/' /etc/sysconfig/ntpd else echo "SYNC_HWCLOCK=yes" >> /etc/sysconfig/ntpd fi else cron_file="/etc/cron.daily/xcatsethwclock" if [ ! -f "$cron_file" ];then echo "#!/bin/sh" > $cron_file echo "/sbin/hwclock --systohc --utc" >> $cron_file chmod a+x $cron_file service cron restart fi fi service $SERVICE start #start ntp and crontab automaticlly if [ -f "/etc/debian_version" ];then update-rc.d cron defaults update-rc.d $SERVICE defaults else chkconfig --add $SERVICE >/dev/null 2>&1 chkconfig --level 345 $SERVICE on >/dev/null 2>&1 if ( pmatch $OSVER "sles*" ) || ( pmatch $OSVER "suse*" ) || [ -f /etc/SuSE-release ];then chkconfig --add cron >/dev/null 2>&1 chkconfig --level 345 cron on >/dev/null 2>&1 fi fi else # stop and start AIX ntp echo "driftfile /etc/ntp.drift tracefile /etc/ntp.trace disable auth broadcastclient restrict 127.0.0.1" >>$conf_file stopsrc -s xntpd logger -t xcat "ntpdate -t5 $master " ntpdate -t5 $master if [ "$?" != "0" ] then echo " ntpdate -t5 $master failed " logger -t xcat "ntpdate -t5 $master failed" fi /usr/sbin/chrctcp -S -a xntpd fi exit $?