xcat-core/xCAT/postscripts/setupntp

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#!/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"
#the ntp was set up by xcat, return directly
grep "xcatsetup" $conf_file
if [ $? -eq 0 ];then
logger -t xcat "NTP was already configured by xCAT."
echo "NTP was already configured by xCAT."
exit
fi
# if master is the sitemaster, then use the ntpservers defined in the site
# table, if they exist. If they don't exist, do not setup ntp
# else use the master which should be a service node
if [ "$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 [ $OS_TYPE = Linux ]; then
mkdir -p /var/lib/ntp
chown ntp /var/lib/ntp
echo "driftfile /var/lib/ntp/drift
disable auth
restrict 127.0.0.1
#xcatsetup" >>$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 $?