twistd 와 다르게 단일 컴파일된 실행프로그램이므로.. 조금 golang 이라던가.. 그게 아니라 그냥 별개로 생각하자...
뭐 조금 수정하면 다른 방법에서도 쓸 수 있다.
#!/bin/sh
### BEGIN INIT INFO
# Provides: GoCMd
# Required-Start: $remote_fs $syslog
# Required-Stop:
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Daemonize GoCM
# Description: Daemonize GoCM
### END INIT INFO
DAEMON=/usr/bin/GoCM
DAEMON_NAME=GoCMd
DAEMON_ARGS="--apikey ######"
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC=$DAEMON_NAME
NAME=$DAEMON_NAME
PIDFILE=/var/run/$DAEMON_NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
LOGFILE=/var/log/$NAME.log
[ -x $DAEMON ] || exit 0
. /lib/init/vars.sh
. /lib/lsb/init-functions
do_start () {
# Return
# 0 if daemon has been started
# 2 if daemon could not be started
start-stop-daemon --start --background --quiet --pidfile $PIDFILE --make-pidfile --exec $DAEMON -- \
--logto=$LOGFILE \
$DAEMON_ARGS \
|| return 2
}
do_stop () {
# Return
# 0 if daemon has been stopped
# 1 if daemon was already stopped
# 2 if daemon could not be stopped
# other if a failure occurred
start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE
RETVAL="$?"
[ "$RETVAL" = 2 ] && return 2
# Wait for children to finish too if this is a daemon that forks
# and if the daemon is only ever run from this initscript.
# If the above conditions are not satisfied then add some other code
# that waits for the process to drop all resources that could be
# needed by services started subsequently. A last resort is to
# sleep for some time.
start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
[ "$?" = 2 ] && return 2
# Many daemons don't delete their pidfiles when they exit.
rm -f $PIDFILE
return "$RETVAL"
}
do_reload() {
#
# If the daemon can reload its configuration without
# restarting (for example, when it is sent a SIGHUP),
# then implement that here.
#
start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE
return 0
}
case "$1" in
start)
[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC " "$NAME"
do_start
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
stop)
[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
do_stop
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
status)
status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
;;
#reload|force-reload)
#
# If do_reload() is not implemented then leave this commented out
# and leave 'force-reload' as an alias for 'restart'.
#
#log_daemon_msg "Reloading $DESC" "$NAME"
#do_reload
#log_end_msg $?
#;;
restart|force-reload)
#
# If the "reload" option is implemented then remove the
# 'force-reload' alias
#
log_daemon_msg "Restarting $DESC" "$NAME"
do_stop
case "$?" in
0|1)
do_start
case "$?" in
0) log_end_msg 0 ;;
1) log_end_msg 1 ;; # Old process is still running
*) log_end_msg 1 ;; # Failed to start
esac
;;
*)
# Failed to stop
log_end_msg 1
;;
esac
;;
*)
#echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
exit 3
;;
esac
:
5. $ sudo update-rc.d GoCMd defaults
6. $ service GoCMd start