#!/bin/sh

### BEGIN INIT INFO
# Provides:          gunicorn-<%= name %>
# Required-Start:    $remote_fs
# Required-Stop:     $remote_fs
# Should-Start:      $all
# Should-Stop:       $all
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Event-based HTTP/WSGI server (running <%= name %>)
# Description:       Green Unicorn (gunicorn) is an HTTP/WSGI server designed
#                    to serve fast clients or sleepy applications. That is to
#                    say; behind a buffering front-end server such as nginx or
#                    lighttpd. This instance runs <%= name %>.
### END INIT INFO

NAME=gunicorn-<%= name %>
DESC=$NAME
VENV=<%= venv %>
SRC=<%= src %>
DAEMON=$VENV/bin/gunicorn<% if django %>_django<% end %><% if paste %>_paster<% end %>
<% if owner == 'undef' or group == 'undef' %>
CHOWN=""
<% else %>
CHOWN="-c<%= owner %>:<%= group %>"
<% end %>
SOCKET=<%= socket %>
RUNDIR=<%= rundir %>
PIDFILE=<%= pidfile %>
LOGFILE=<%= logfile %>
WORKERS=<%= workers %>
TIMEOUT=<%= timeout_seconds %>
MODULE=<%= django ? django_settings : (paste ? paste_settings : wsgi_module) %>
<% if django %>
PYTHONPATH_PARAM="--pythonpath $SRC"
<% else %>
PYTHONPATH_PARAM=""
<% end %>
<% if conffile == '' %>
CONFFILE=""
<% else %>
CONFFILE="-c <%= conffile %>"
<% end %>

if [ -f "/etc/default/$NAME" ]; then
	. /etc/default/$NAME
fi

DAEMON_OPTS="$CONFFILE -b $SOCKET -p $PIDFILE --log-file $LOGFILE \
--workers $WORKERS -t $TIMEOUT --pythonpath=$SRC --daemon --name $NAME \
$PYTHONPATH_PARAM $MODULE"

test -x $DAEMON || exit 0

set -e

. /lib/lsb/init-functions

if [ ! -d $RUNDIR ]; then
  mkdir -p $RUNDIR
  <% if owner != 'undef' and group != 'undef' %>
  chown <%= owner %>:<%= group%> $RUNDIR
  <% end %>
fi

case "$1" in
  start)
    log_daemon_msg "Starting $DESC" $NAME
    start-stop-daemon -S $CHOWN -q -p $PIDFILE -d $SRC \
      -x $DAEMON -- $DAEMON_OPTS || true
    log_end_msg $?
	;;
  stop)
    log_daemon_msg "Stopping $DESC" $NAME
    start-stop-daemon -K -q -p $PIDFILE -s QUIT || true
    log_end_msg $?
	;;
  restart)
    log_daemon_msg "Restarting $DESC" $NAME
    start-stop-daemon -K -q -p $PIDFILE -s QUIT || true
    sleep 1
    start-stop-daemon -S $CHOWN -q -p $PIDFILE -d $SRC \
      -x $DAEMON -- $DAEMON_OPTS || true
    log_end_msg $?
	;;
  reload)
    log_daemon_msg "Reloading $DESC" $NAME
    start-stop-daemon -K -q -p $PIDFILE -s HUP || true
    log_end_msg $?
	;;
  status)
    status_of_proc -p $PIDFILE "$DAEMON" $NAME && exit 0 || exit $?
	;;
  *)
	echo "Usage: $NAME {start|stop|restart|status}" >&2
	exit 1
	;;
esac

exit 0