nginx+php 實現代理與負載均衡 (1臺nginx,2臺php)

starkbl發表於2021-09-09

實驗準備 3臺虛擬機器

 192.168.239.136/192.168.239.140/192.168.239.144


1 安裝php 192.168.239.140/192.168.239.144

  安裝之前先做好這些準備工作(安裝基礎環境)

 yum -y groupinstall "Development Tools" "Development Libraries"  

 yum install -y epel-release

 yum install -y libxml2-devel.x86_64 openssl-devel.x86_64 bzip2-devel.x86_64 libjpeg-turbo-devel.x86_64 libjpeg-turbo-static.x86_64 libpng-devel.x86_64 libpng-static.x86_64 freetype-devel.x86_64 libstdc++ libstdc++-devel compat-libstdc++-33 libstdc++-static gcc libmcrypt-devel lrzsz gcc gcc-c++  make man vim tree unzip wget curl lua-devel lua-static GeoIP GeoIP-devel  patch libxml2-devel libxslt libxslt-devel gd gd-devel autoconf m4 pcre-devel.x86_64 pcre-static.x86_64 lrzsz ntp libcurl-devel.x86_64 libtool-ltdl-devel.x86_64


下載php原始碼包到 /usr/local/src  cd /usr/local/src

 解壓     cd 解壓目錄    useradd -s /sbin/nologin php-fpm


./configure --prefix=/usr/local/php   --with-config-file-path=/usr/local/php/etc  --enable-fpm   --with-fpm-user=php-fpm  --with-fpm-group=php-fpm --with-mysql=mysqlnd  --with-libxml-dir  --with-gd   --with-jpeg-dir   --with-png-dir   --with-freetype-dir  --with-iconv-dir   --with-zlib-dir   --with-mcrypt   --enable-soap   --enable-gd-native-ttf   --enable-ftp  --enable-mbstring  --enable-exif  --enable-zend-multibyte   --disable-ipv6   --with-pear   --with-curl 

make && make install


cp php.ini-development /usr/local/php-fpm/etc/php.ini  複製配置檔案

cp sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm       複製啟動指令碼

mv /usr/local/php-fpm/etc/php-fpm.conf.default  /usr/local/php-fpm/etc/php-fpm.conf  

> /usr/local/php-fpm/etc/php-fpm.conf 

vim !$     加入如下配置


[global]                               

pid = /usr/local/php-fpm/var/run/php-fpm.pid                        
error_log = /usr/local/php-fpm/var/log/php-fpm.log     

            
[www]                                                                               
listen = 192.168.239.140:9000      (IP是php本機IP或者0.0.0.0,不能是127.0.0.1)
user = php-fpm 
group = php-fpm
listen.owner = nobody 
listen.group = nobody 
pm = dynamic                               
pm.max_children = 50                    
pm.start_servers = 20 
pm.min_spare_servers = 5 
pm.max_spare_servers = 35 
pm.max_requests = 500 
rlimit_files = 1024 

slowlog = /usr/local/php-fpm/var/slow.log
request_slowlog_timeout = 1


php_admin_value[open_basedir]=/data/www/:/tmp/


/usr/local/php-fpm/sbin/php-fpm -t

chmod 755 /etc/init.d/php-fpm

/etc/init.d/php-fpm start      netstat -lnpt  檢視是否有監聽  192.168.239.140:9000

mkdir -p /tmp/tmp

vim /tmp/tmp/index.php       建立動態測試檔案,寫入如下

    dongtaiqingqiu 1   


2.第二臺安裝php  (安裝編譯都不變,配置檔案IP更改為 192.168.239.144:9000  最後index.php 中dongtaiqingqiu 1改為dongtaiqingqiu2  )


3.安裝nginx

下載原始碼包到 /usr/local/src  cd /usr/local/src

wget 

 解壓     cd 解壓目錄    

yum install -y pcre-devel       

./configure   --prefix=/usr/local/nginx   --with-pcre 

make 

make install


4. 編寫nginx啟動指令碼

vim /etc/init.d/nginx  加入如下配置

#!/bin/bash

# chkconfig: - 30 21

# description: http service.

# Source Function Library

. /etc/init.d/functions

# Nginx Settings

NGINX_SBIN="/usr/local/nginx/sbin/nginx"

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

NGINX_PID="/usr/local/nginx/logs/nginx.pid"

RETVAL=0

prog="Nginx"

start() {

        echo -n $"Starting $prog: "

        mkdir -p /dev/shm/nginx_temp

        daemon $NGINX_SBIN -c $NGINX_CONF

        RETVAL=$?

        echo

        return $RETVAL

}

stop() {

        echo -n $"Stopping $prog: "

        killproc -p $NGINX_PID $NGINX_SBIN -TERM

        rm -rf /dev/shm/nginx_temp

        RETVAL=$?

        echo

        return $RETVAL

}

reload(){

        echo -n $"Reloading $prog: "

        killproc -p $NGINX_PID $NGINX_SBIN -HUP

        RETVAL=$?

        echo

        return $RETVAL

}

restart(){

        stop

        start

}

configtest(){

    $NGINX_SBIN -c $NGINX_CONF -t

    return 0

}

case "$1" in

  start)

        start

        ;;

  stop)

        stop

        ;;

  reload)

        reload

        ;;

  restart)

        restart

        ;;

  configtest)

        configtest

        ;;

  *)

        echo $"Usage: $0 {start|stop|reload|restart|configtest}"

        RETVAL=1

esac

exit $RETVAL

儲存後,執行

chmod a+x /etc/init.d/nginx  或者 chmod 755 !$ 修改許可權   

service nginx start          啟動nginx


5. 配置反向代理  

> /usr/local/nginx/conf/nginx.conf  

vim /usr/local/nginx/conf/nginx.conf    加入如下配置

user nobody nobody;         

worker_processes 2;            

error_log /usr/local/nginx/logs/nginx_error.log crit;

pid /usr/local/nginx/logs/nginx.pid;

worker_rlimit_nofile 51200;

events

{

    use epoll;

    worker_connections 6000;   

}

http

{

    include mime.types;

    default_type application/octet-stream;

    server_names_hash_bucket_size 3526;               

    server_names_hash_max_size 4096;

    log_format combined_realip '$remote_addr $http_x_forwarded_for [$time_local]'

    '$host "$request_uri" $status'

    '"$http_referer" "$http_user_agent"';

    sendfile on;

    tcp_nopush on;

    keepalive_timeout 30;

    client_header_timeout 3m;

    client_body_timeout 3m;

    send_timeout 3m;

    connection_pool_size 256;

    client_header_buffer_size 1k;

    large_client_header_buffers 8 4k;

    request_pool_size 4k;

    output_buffers 4 32k;

    postpone_output 1460;

    client_max_body_size 10m;

    client_body_buffer_size 256k;

    client_body_temp_path /usr/local/nginx/client_body_temp;

    proxy_temp_path /usr/local/nginx/proxy_temp;

    fastcgi_temp_path /usr/local/nginx/fastcgi_temp;

    fastcgi_intercept_errors on;

    tcp_nodelay on;

    gzip on;

    gzip_min_length 1k;

    gzip_buffers 4 8k;

    gzip_comp_level 5;

    gzip_http_version 1.1;

    gzip_types text/plain application/x-javascript text/css text/htm application/xml;

    include vhosts/*.conf;

}

配置代理

mkdir /usr/local/nginx/conf/vhosts

vi /usr/local/nginx/conf/vhosts/php.conf  加入如下配置

 upstream mysvr {

    #weigth參數列示權值,權值越高被分配到的機率越大

    server 192.168.239.144:9000  weight=2;

    server 192.168.239.140:9000  weight=1;

    }

server

{

    listen 80;

    server_name 

    index index.html index.htm index.php;

    root /usr/local/nginx/html;

    location ~ .php$ {

        include fastcgi_params;

        fastcgi_pass mysvr;

        fastcgi_index index.php;

        fastcgi_param SCRIPT_FILENAME /tmp/tmp$fastcgi_script_name;

    }

}


/usr/local/nginx/sbin/nginx -t   檢測配置檔案

/usr/local/nginx/sbin/nginx -s reload  (直接重新載入配置,不需要重啟)

vim /usr/local/nginx/html/1.html     建立靜態測試檔案,寫入

    jingtaifangwen


設定本地解析

修改windons hosts(地址 c:windowssystem32driversetchosts)記事本開啟,最下面新增一行配置

192.168.239.136  


測試:最好用谷歌瀏覽器 (如下顯示 代理成功)

   訪問     顯示的是nginx 預設頁

   訪問  /.html   顯示的jingtaifangwen

   訪問  /index.php  多重新整理幾次  會顯示 dongtaifangwen1 一次 dongtaifangwen2 兩次


來自 “ ITPUB部落格 ” ,連結:http://blog.itpub.net/3705/viewspace-2802998/,如需轉載,請註明出處,否則將追究法律責任。

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