#! /bin/sh 

#

#Copyright 13 Apr 1996 Sun Microsystems, Inc. All Rights Reserved. 

#

#ident	 "@(#)innamed_start_net.sh	 1.1 	96/04/13 SMI" 

#

# HA-in.named start_net method 

ARGV0=`basename $0` 

SYSLOG_FACILITY=`haget -f syslog_facility`
MASTERED_LOGICAL_HOSTS="$1" 

if [ -z "$MASTERED_LOGICAL_HOSTS" ]; then 

	# This physical host does not currently master any logical hosts.
	exit 0
fi
# Replace comma with space to form an sh word list:
MASTERED_LOGICAL_HOSTS="`echo $MASTERED_LOGICAL_HOSTS | tr ',' '`"

# Dynamically search the list of logical hosts which this physical

# host currently masters, to see if one of them is the logical host

# that HA-in.named uses.
MYLH=
for LH in $MASTERED_LOGICAL_HOSTS ; do 

	# Map logical hostname to administrative file system name: 

	PATHPREFIX_FS=`haget -f pathprefix $LH`
	CONFIG="${PATHPREFIX_FS}/hainnamed/hainnamed.config" 

	if [ -f $CONFIG ]; then 

			MYLH=$LH 

			break 

	fi 

done 

if [ -z "$MYLH" ]; then 

	# This host does not currently master the logical host 

	# that HA-in.named uses. 

	exit 0 

fi

# This host currently masters the logical host that HA-in.named uses, $MYLH
# See if in.named is already running, if so exit. (We must have 

# started it on some earlier cluster reconfiguration when this 

# physical host first took over mastery of the $MYLH logical host.) 
# We determine whether in.named is already running by using the pmfadm
# command to query its status: if the query succeeds, it is already
# running.
if pmfadm -q hainnamed >/dev/null 2>&1 ; then
	exit 0 

fi

HA_INNAMED_DIR="`cat $CONFIG`" 
if [ ! -d $HA_INNAMED_DIR ]; then
	logger -p ${SYSLOG_FACILITY}.err \ 
			"${ARGV0}: directory $HA_INNAMED_DIR missing or not mounted" 

	exit 1 

fi

# We cd to the HA_INNAMED_DIR directory because the named.boot file 
# contains the names of other files. By cd'ing, we permit all of 

# those names to be relative names, relative to the current directory

cd $HA_INNAMED_DIR 

if [ ! -s named.boot ]; then 
	logger -p ${SYSLOG_FACILITY}.err \ 

			"${ARGV0}:file $HA_INNAMED_DIR/named.boot is missing or empty" 

	exit 1 

fi

# Run the in.named daemon under the control of the Sun Cluster process 
# monitory facility. Let it crash and restart up to 4 times an hour; 
# if it crashes more often than that, the process monitor facility daemon
# will cease trying to restart it.			
pmfadm -c hainnamed -n 4 -t 60 /usr/sbin/in.named -b named.boot 
if [ $? -ne 0 ]; then						 
	logger -p ${SYSLOG_FACILITY}.err \
			"${ARGV0}: pmfadm -c of in.named failed" 
	exit 1							 
fi									 

exit 0