#!/bin/sh
#
# Startup script handle the initialisation of LVS
# chkconfig: - 08 92
# description: Initialise the Linux Virtual Server
# config: /etc/sysconfig/ipvsadm
#
### BEGIN INIT INFO
# Provides: ipvsadm
# Required-Start: $local_fs $network $named
# Required-Stop: $local_fs $remote_fs $network
# Short-Description: Initialise the Linux Virtual Server
# Description: The Linux Virtual Server is a highly scalable and highly
#   available server built on a cluster of real servers, with the load
#   balancer running on Linux.
### END INIT INFO

# set the configuration file
IPVSADM_CONFIG="/etc/sysconfig/ipvsadm"

# Source function library
. /etc/rc.d/init.d/functions

start() {
    # If we don't clear these first, we might be adding to pre-existing rules.
    action "Clearing the current IPVS table:" ipvsadm -C
    echo -n "Applying IPVS configuration: "
    ipvsadm-restore < ${IPVSADM_CONFIG} && \
        success "Applying IPVS configuration" || \
        failure "Applying IPVS configuration"
    echo
    touch /var/lock/subsys/ipvsadm
}

stop() {
    action "Clearing the current IPVS table:" ipvsadm -C
    rm -f /var/lock/subsys/ipvsadm
}

save() {
    echo -n "Saving IPVS table to ${IPVSADM_CONFIG}: "
    ipvsadm-save -n > ${IPVSADM_CONFIG} 2>/dev/null && \
        success "Saving IPVS table to ${IPVSADM_CONFIG}" || \
        failure "Saving IPVS table to ${IPVSADM_CONFIG}"
    echo
}

# See how we were called.
case "$1" in
    start)
        # If we have no configuration, save the current one
        [ -f ${IPVSADM_CONFIG} ] || save
        start
        ;;
    stop)
        stop
        ;;
    reload|force-reload|restart)
	# Start will flush everything, so it counts as a restart
	start
	;;
    status)
        ipvsadm -L -n
	;;
    save)
        save
	;;
    *)
        echo "Usage: $0 {start|stop|restart|force-reload|status|save}"
	exit 3
esac

exit 0