samba-mirror/ctdb/config/events

#!/bin/sh
############################
# main event script for ctdb

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

cmd="$1"
shift

case $cmd in 
     #############################
     # called when ctdbd starts up
     startup)
	/bin/rm -rf /etc/ctdb/state
	/bin/mkdir -p /etc/ctdb/state
	;;


     ################################################
     # called when ctdbd wants to claim an IP address
     takeip)
	if [ $# != 3 ]; then
	   echo "must supply interface, IP and maskbits"
	   exit 1
	fi
	iface=$1
	ip=$2
	maskbits=$3

	/sbin/ip addr add $ip/$maskbits dev $iface || {
		 echo "`/bin/date` Failed to add $ip/$maskbits on dev $iface"
		 exit 1
	}

	# flush our route cache
	echo 1 > /proc/sys/net/ipv4/route/flush
	;;


     ##################################################
     # called when ctdbd wants to release an IP address
     releaseip)
	if [ $# != 3 ]; then
	   echo "`/bin/date` must supply interface, IP and maskbits"
	   exit 1
	fi
	iface=$1
	ip=$2
	maskbits=$3
	/sbin/ip addr del $ip dev $iface || {
		 echo "`/bin/date` Failed to del $ip on dev $iface"
		 exit 1
	}

	# flush our route cache
	echo 1 > /proc/sys/net/ipv4/route/flush
	;;


     ###########################################
     # called when ctdbd has finished a recovery
     recovered)
	;;

     ####################################
     # called when ctdbd is shutting down
     shutdown)
	;;

     *)
        echo "`/bin/date` Invalid ctdb event command $cmd"
        exit 1
        ;;
esac

#######################################
# call all application specific scripts
[ -d /etc/ctdb/events.d ] && {
    /bin/ls /etc/ctdb/events.d | /bin/grep -v '~' | 
    while read SCRIPT; do
	[ -x /etc/ctdb/events.d/$SCRIPT ] && {
	    /etc/ctdb/events.d/$SCRIPT $cmd "$1" "$2" "$3" || exit 1
	}
    done
}

# all OK
exit 0