xcat-core/xCAT/postscripts/setupntp

#!/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" = "&lt;xcatmaster&gt;" ] || [ "$NTPSERVERS" = "<xcatmaster>" ]; 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" = "&lt;xcatmaster&gt;" ] || [ "$NTPSERVERS" = "<xcatmaster>" ]; 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 $?