nginx 安装并支持upstream监控

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nginx安装并支持upstream和tcp代理模块

yum groupinstall "Development tools"
yum -y install pcre-devel openssl openssl-devel git
wget http://nginx.org/download/nginx-1.4.5.tar.gz
tar zxvf nginx-1.4.5.tar.gz
cd nginx-1.4.5
git clone https://github.com/yaoweibin/nginx_upstream_check_module.git //upstream模块
git clone https://github.com/yaoweibin/nginx_tcp_proxy_module.git //tcp代理模块
yum install patch
patch -p1 <nginx_upstream_check_module/check_1.2.6+.patch
patch -p1 <nginx_tcp_proxy_module/tcp.patch
./configure --add-module=nginx_upstream_check_module --add-module=nginx_tcp_proxy_module
make
make install

cp /usr/local/nginx/sbin/nginx /usr/sbin/


#!/bin/sh
#
# 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:      /etc/nginx/nginx.conf
# config:      /etc/sysconfig/nginx
# pidfile:     /var/run/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/sbin/nginx"
prog=$(basename $nginx)

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

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

lockfile=/var/lock/subsys/nginx

make_dirs() {
   # make required directories
   user=`nginx -V 2>&1 | grep "configure arguments:" | sed 's/[^*]*--user=\([^ ]*\).*/\1/g' -`
   options=`$nginx -V 2>&1 | grep 'configure arguments:'`
   for opt in $options; do
       if [ `echo $opt | grep '.*-temp-path'` ]; then
           value=`echo $opt | cut -d "=" -f 2`
           if [ ! -d "$value" ]; then
               # echo "creating" $value
               mkdir -p $value && chown -R $user $value
           fi
       fi
   done
}

start() {
    [ -x $nginx ] || exit 5
    [ -f $NGINX_CONF_FILE ] || exit 6
    make_dirs
    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
}

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
        ;;
    force-reload)
        force_reload
        ;;
    status)
        rh_status
        ;;
    condrestart|try-restart)
        rh_status_q || exit 0
            ;;
    *)
        echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload|configtest}"
        exit 2
esac

然后将文件保存为nginx，并放在/etc/init.d/目录下，给予执行权限，开机自启动控制
# chmod +x /etc/init.d/nginx
# chkconfig --add nginx
# chkconfig nginx on

http()之中 下面：
    upstream jms_pool {
        # simple round-robin
        server 192.168.0.74:8815;
        server 192.168.0.74:8816;
                server 192.168.0.76:8817;

        check interval=3000 rise=2 fall=5 timeout=1000 type=http;
        check_http_send "GET / HTTP/1.0\r\n\r\n";
        check_http_expect_alive http_2xx http_3xx;
    }


    upstream lucene_pool {
        # simple round-robin
        server 192.168.0.88:4906;
        server 192.168.0.89:4906;
        server 192.168.0.90:4906;
        server 192.168.0.91:4906;
        server 192.168.0.92:4906;
        check interval=3000 rise=2 fall=5 timeout=1000 type=tcp;
    }

    server {
        listen 80;
        location / {
            proxy_pass http://jms_pool;
        }
        location /status {
            check_status;
       }
   access_log  /var/logs/jms_access.log;
   }

    server {
        listen 82;
        location / {
            proxy_pass http://lucene_pool;
        }

        location /status {
            check_status;
       }
   access_log  /var/logs/lucene_access.log;
   }