Produits Entr'ouvert » Calebasse

#! /bin/bash

### BEGIN INIT INFO

# Provides:          calebasse

# Required-Start:    $remote_fs $syslog

# Required-Stop:     $remote_fs $syslog

# Default-Start:     2 3 4 5

# Default-Stop:      0 1 6

# Short-Description: Calebasse

# Description:       Calebasse

### END INIT INFO

# Author: Jérôme Schneider <jschneider@entrouvert.com>

# Do NOT "set -e"

# PATH should only include /usr/* if it runs after the mountnfs.sh script

PATH=/sbin:/usr/sbin:/bin:/usr/bin

DESC="Description of the service"

NAME=calebasse

HOME=/home/calebasse/venv

DAEMON=$HOME/bin/gunicorn

PID_DIR=/var/run/$NAME

PIDFILE=$PID_DIR/gunicorn.pid

# set timeout to 10800 seconds, as apache2 mod_proxy ProxyTimeout default value

# put error log into /var/log/calebasse/gunicorn.error.log

# put access log into /var/log/calebasse/gunicorn.access.log

# use 4 workers

DAEMON_ARGS="$NAME.wsgi:application -D -p $PIDFILE \

	-t 10800 \

	--bind=unix:$PID_DIR/calebasse.sock \

	--error-logfile /var/log/$NAME/gunicorn.error.log \

	--access-logfile /var/log/$NAME/gunicorn.access.log \

	-w 4"

SCRIPTNAME=/etc/init.d/$NAME

START_STOP_OPTIONS="--chuid $NAME --group $NAME"

export LANG=fr_FR.UTF-8

if [ -f /etc/gunicorn/$NAME-conf.py ]; then

       DAEMON_ARGS="$DAEMON_ARGS -c $HOME/calebasse/$NAME-conf.py"

fi

# Exit if the package is not installed

[ -x "$DAEMON" ] || exit 0

# Read configuration variable file if it is present

[ -r /etc/default/$NAME ] && . /etc/default/$NAME

# Define LSB log_* functions.

# Depend on lsb-base (>= 3.2-14) to ensure that this file is present

# and status_of_proc is working.

. /lib/lsb/init-functions

# Loading venv

source $HOME/bin/activate

cd $HOME/calebasse

#

# Function that starts the daemon/service

#

do_start()

{

	# Return

	#   0 if daemon has been started

	#   1 if daemon was already running

	#   2 if daemon could not be started

	start-stop-daemon --start --quiet $START_STOP_OPTIONS --exec $DAEMON --test > /dev/null \

		|| return 1

	start-stop-daemon --start --quiet $START_STOP_OPTIONS --exec $DAEMON -- \

		$DAEMON_ARGS \

		|| return 2

	# Add code here, if necessary, that waits for the process to be ready

	# to handle requests from services started subsequently which depend

	# on this one.  As a last resort, sleep for some time.

}

#

# Function that stops the daemon/service

#

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"

}

#

# Function that sends a SIGHUP to the daemon/service

#

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|status|restart|force-reload}" >&2

	exit 3

	;;

esac

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