samba-mirror/ctdb/config/events.d/70.iscsi

#!/bin/sh
# ctdb event script for TGTD based iSCSI

PATH=/bin:/usr/bin:$PATH

. $CTDB_BASE/functions
loadconfig iscsi

cmd="$1"
shift

[ "$CTDB_MANAGES_ISCSI" = "yes" ] || exit 0

[ -z "$CTDB_ISCSI_PUBLIC_IP" ] && {
	echo "No public ip set for iscsi. iscsi disabled"
	exit 1
}

[ -z "$CTDB_START_ISCSI_SCRIPT" ] && {
	echo "No iscsi start script found"
	exit 1
}

[ ! -x "$CTDB_START_ISCSI_SCRIPT" ] && {
	echo "iscsi start script is not executable"
	exit 1
}

case $cmd in 
     startup)
	/bin/mkdir -p $CTDB_BASE/state/iscsi
	;;

     takeip)
	# when we takeover this ip we must start iscsi
	[ $2 == "$CTDB_ISCSI_PUBLIC_IP" ] && {
		$CTDB_START_ISCSI_SCRIPT
		touch $CTDB_BASE/state/iscsi/iscsi_active
	}
	;;

     releaseip)
	# when we release this ip we must stop iscsi
	[ $2 == "$CTDB_ISCSI_PUBLIC_IP" ] && {
		killall -9 tgtd >/dev/null 2>/dev/null
		rm -rf $CTDB_BASE/state/iscsi/iscsi_active >/dev/null 2>/dev/null
	}
	;;

     shutdown)
	# shutdown iscsi when ctdb goes down
	killall -9 tgtd >/dev/null 2>/dev/null
	;;

     monitor)
	[ -f $CTDB_BASE/state/iscsi/iscsi_active ] && {
		ctdb_check_tcp_ports "iscsi" 3260
	}
	;;
esac

# ignore unknown commands
exit 0