gunicorn.init

#! /bin/sh
### BEGIN INIT INFO
# Provides:          gunicorn-initscript
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Should-Start:      $nginx
# Default-Start:     30 2 3 4 5
# Default-Stop:      70 0 1 6
# Short-Description: virtualenv + gunicorn + nginx debian init script
# Description:       virtualenv + gunicorn + nginx debian init script
### END INIT INFO

# Author: Klaus Thoden
#
# Please remove the "Author" lines above and replace them
# with your own name if you copy and modify this script.
#
# Enable with update-rc.d gunicorn-example start 30 2 3 4 5 . stop 70 0 1 6 .
# (parameters might not be necessary, test)

# Do NOT "set -e"

PROJECT=/var/www/djangows/eoapp_ve/eoapp/
LOGDIR=/var/log/gunicorn/
# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/bin:/usr/bin
USER=djwsuser
GROUP=djangows
SOCKET=unix:/var/www/djangows/eoapp_ve/run/eoapp.sock
WORKERS=3
NAME=`basename $0`
DESC=$NAME
LOGFILE="$LOGDIR$NAME.log"
PIDFILE="$PROJECT$NAME.pid"
CMD="../bin/gunicorn --user=$USER --group=$GROUP --daemon --workers=$WORKERS --bind=$SOCKET --pid=$PIDFILE --name=$NAME --log-file=$LOGFILE eoapp.wsgi:application"

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# 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

#
# 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
    if [ -e $PIDFILE ]; then
        return 1
    fi
    cd $PROJECT
    $CMD
    if [ $? = 0 ]; then
        return 0
    else
        return 2
    fi
}

#
# 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
    if [ -f $PIDFILE ]; then
        PID=`cat $PIDFILE`
        rm $PIDFILE
        kill -15 $PID
        if [ $? = 0 ]; then
            return 0
        else
            return 2
        fi
    else
        return 1
    fi
}

do_reload() {
    if [ -f $PIDFILE ]; then
        PID=`cat $PIDFILE`
        kill -HUP $PID
        return $?
    fi
    return 2
}

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
        ;;
    restart)
        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
        ;;
    reload)
        log_daemon_msg "Reloading $DESC" "$NAME"
        do_reload
        case "$?" in
            0) log_end_msg 0 ;;
            *) log_end_msg 1 ;;
        esac
        ;;
    *)
        echo "Usage: $SCRIPTNAME {start|stop|restart|reload}" >&2
        exit 3
        ;;
esac

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