samba-mirror/ctdb/config/events.d/nfslock

#!/bin/sh
# event strict to manage lockd and statd in a cluster environment

. /etc/sysconfig/nfs
. /etc/ctdb/functions

[ -z $CTDB_MANAGES_NFS ] && exit 0
[ $CTDB_MANAGES_NFS != "yes" ] && exit 0

[ -z "$STATD_SHARED_DIRECTORY" ] && exit 0

cmd="$1"
shift

case $cmd in 
     startup)
	/bin/mkdir -p /etc/ctdb/state/statd/ip
	ctdb_wait_directories "nfslock" "$STATD_SHARED_DIRECTORY"

	service nfslock start
	;;

     shutdown)
	service nfslock stop
	;;

     takeip)
	ip=$2

	echo $ip >> /etc/ctdb/state/statd/restart

	# having a list of what IPs we have allows statd to do the right 
	# thing via /etc/ctdb/statd-callout
	/bin/touch /etc/ctdb/state/statd/ip/$ip
	;;

     releaseip)
	ip=$2

	echo $ip >> /etc/ctdb/state/statd/restart
	/bin/rm -f /etc/ctdb/state/statd/ip/$ip
	;;

     recovered)
	# if we have taken or released any ips we must send out
	# statd notifications to recover lost nfs locks
	[ -x /etc/ctdb/statd-callout ] && [ -f /etc/ctdb/state/statd/restart ] && {
		/etc/ctdb/statd-callout notify &
	} >/dev/null 2>&1

	/bin/rm -f /etc/ctdb/state/statd/restart
	;;
esac

exit 0