uwsgi

#!/bin/sh
#
# chkconfig: 35 90 90
# description: start and stop the uWSGI server.

# Avoid using root's TMPDIR
unset TMPDIR

RETVAL=1
KIND="uWSGI"
uwsgi_bin=/opt/python-2.7.5/bin/uwsgi
ini_file=/opt/www/mysite/mysite/django_uwsgi.ini
pid_file=/opt/www/mysite/logs/uwsgi/uwsgi.pid
log_file=/opt/www/mysite/logs/uwsgi/uwsgi.log

[ -x $uwsgi_bin ] || exit 2

start() {
    status
    ret_code=$?
    RETVAL=1
    if [ $ret_code -ne 0 ];then
        $uwsgi_bin --ini $ini_file >/dev/null 2>&1 &
        RETVAL=$?
    fi

    tips="Starting $KIND services: "
    if [ $RETVAL -ne 0 ];then
        echo "$tips FAILED"
    else
        echo "$tips SUCCESS"
    fi
    return $RETVAL
}

stop() {
    status
    if [ $? -eq 0 ];then
        if [ -f $pid_file ];then
            pid=`cat $pid_file`
            echo "Kill pid: $pid"
            if [ -n $pid ];then
                cat /dev/null > $pid_file
                kill -9 $pid
                RETVAL=$?
            fi
        fi
    fi

    tips="Shutting down $KIND services: "
    if [ $RETVAL -ne 0 ];then
        echo "$tips FAILED"
    else
        echo "$tips SUCCESS"
    fi
    return $RETVAL
}

restart() {
    stop
    sleep 2
    start
}

reload() {
    status
    if [ $? -eq 0 ];then
        $uwsgi_bin --reload $pid_file
        RETVAL=$?
    fi
    tips="Reloading $KIND services: "
    sleep 3
    if [ $RETVAL -ne 0 ];then
        echo "$tips FAILED"
    else
        echo "$tips SUCCESS"
    fi
    return $RETVAL
}
status() {
    tips="Status $KIND services: "
    ret=`ps -ef | grep -v grep | grep $uwsgi_bin | grep -v status | grep -v stop | grep -v restart | grep -v reload | grep -v start`
    if [ $? -eq 0 ];then
        RETVAL=0
    fi
    if [ $RETVAL -ne 0 ];then
        echo "$tips Not Running"
    else
        echo "$tips Is Running"
    fi
    return $RETVAL
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    restart)
        restart
        ;;
    reload)
        reload
        ;;
    status)
        status
        ;;
    *)
        echo $"Usage: $0 {start|stop|restart|reload|status}"
        exit 1
esac
    exit $?