nginx

#!/bin/sh
#
# chkconfig: 35 90 90
# description: Start and stop the Nginx server.

# Avoid using root's TMPDIR
unset TMPDIR

RETVAL=1
KIND="Nginx"
nginx_bin=/opt/nginx-1.4.2/sbin/nginx
pid_file=/opt/nginx-1.4.2/logs/nginx.pid
access_log=/opt/nginx-1.4.2/logs/access.log
error_log=/opt/nginx-1.4.2/logs/error.log

[ -x $nginx_bin ] || exit 2

# check exec user, must be root
user=`whoami`
if [ "$user" != 'root' ];then
    echo 'Permission Deny, must be root...'
    exit 1
fi

start() {
    status
    ret_code=$?
    RETVAL=1
    if [ $ret_code -ne 0 ];then
        $nginx_bin &
        RETVAL=$?
    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
        ret=`ps -ef | grep -v grep | grep nginx | grep -v stop | grep -v restart | awk '{ print $2 }' | xargs kill -9`
        RETVAL=$?
    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
        if [ -f $pid_file ];then
            $nginx_bin -s reload >/dev/null
            RETVAL=$?
        fi
    fi

    tips="Reloading $KIND services: "
    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 nginx | grep -v status | grep -v reload | grep -v stop | grep -v restart | 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 $?