/usr/local/sbin/run_mongrel_cluster_ctl.sh

#!/bin/bash

export RUBYGEMS=/usr/local/rubygems
export GEM_HOME=${RUBYGEMS}/gems
export GEM_PATH=${RUBYGEMS}/gems
export RUBYLIB=${RUBYGEMS}/lib
export PATH=${RUBYGEMS}/gems/bin:${RUBYGEMS}/bin:$PATH

mongrel_cluster_ctl $*

/etc/init.d/jsas_cluster

#!/bin/sh
#
# mongrel jsas cluster init script
#
### BEGIN INIT INFO
# Provides:          jsas_cluster
# Required-Start:    $network $local_fs $remote_fs
# Required-Stop:
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: init-Script for jsas mongrel_cluster
### END INIT INFO

#sudo -i -u jsas $DAEMON_CTL help

set -e

# Defaults
PATH=/sbin:/usr/sbin:/usr/local/sbin:/bin:/usr/bin:/usr/local/bin
DAEMON_CTL=/usr/local/sbin/run_mongrel_cluster_ctl.sh
USER=jsas
OPTIONS=""

PIDFILE="/var/run/mongrel_cluster.pid"

test -f $DAEMON_CTL || exit 0

. /lib/lsb/init-functions

case "$1" in
	start)
    sudo -i -u jsas $DAEMON_CTL start
		;;
	stop)
    sudo -i -u jsas $DAEMON_CTL stop
		;;
	force-reload|restart)
    sudo -i -u jsas $DAEMON_CTL restart
		;;
	status)
    sudo -i -u jsas $DAEMON_CTL status
		;;
	*)
		log_warning_msg "Usage: /etc/init.d/jsas_cluster {start|stop|restart}"
		log_warning_msg "  start - starts system-wide jsas_cluster service"
		log_warning_msg "  stop  - stops system-wide jsas_cluster service"
		log_warning_msg "  restart, force-reload - starts a new system-wide jsas_cluster service"
		log_warning_msg "  status  - status of system-wide jsas_cluster service"
		log_warning_msg "    system-wide jsas cluster service"
		exit 1
		;;
esac

exit 0

then update the rc scripts…

update-rc.d jsas_cluster defaults 98 02