Ops运维 | Mr`kang Blog｜小豆子

#!/bin/bash
# nginx - this script starts and stops the nginx daemon
#
# chkconfig: - 85 15
# description: Nginx is an HTTP(S) server, HTTP(S) reverse
# proxy and IMAP/POP3 proxy server
# processname: nginx
# config: /usr/local/nginx/nginx.conf
# config: /etc/sysconfig/nginx
# pidfile: /usr/local/nginx/nginx.pid

# Source function library.
. /etc/rc.d/init.d/functions

# Source networking configuration.
. /etc/sysconfig/network

# Check that networking is up.
[ "$NETWORKING" = "no" ] && exit 0

nginx="/usr/local/nginx/nginx"
prog=$(basename $nginx)

NGINX_CONF_FILE="/usr/local/nginx/nginx.conf"

[ -f /etc/sysconfig/nginx ] && . /etc/sysconfig/nginx

lockfile=/var/lock/subsys/nginx

start() {
     [ -x $nginx ] || exit 5
     [ -f $NGINX_CONF_FILE ] || exit 6
     echo -n $"Starting $prog: "
     daemon $nginx -c $NGINX_CONF_FILE
     retval=$?
     echo
     [ $retval -eq 0 ] && touch $lockfile
     return $retval
}


stop() {
    echo -n $"Stopping $prog: "
    killproc $prog -QUIT
    retval=$?
    echo
    [ $retval -eq 0 ] && rm -f $lockfile
    return $retval
    killall -9 nginx
}


restart() {
    configtest || return $?
    stop
    sleep 1
    start
}


reload() {
    configtest || return $?
    echo -n $"Reloading $prog: "
    killproc $nginx -HUP
    RETVAL=$?
    echo
}


force_reload() {
    restart
}


configtest() {
    $nginx -t -c $NGINX_CONF_FILE
}


rh_status() {
    status $prog
}


rh_status_q() {
    rh_status >/dev/null 2>&1
}

case "$1" in
    start)
        rh_status_q && exit 0
        $1
        ;;
    stop)
        rh_status_q || exit 0
        $1
        ;;
    restart|configtest)
        $1
        ;;
    reload)
        rh_status_q || exit 7
        $1
        ;;
    status)
        rh_status
        ;;
    *)
       echo $"Usage: $0 {start|stop|status|restart|reload|configtest}"
       exit 2
esac