nginx负载均衡配置

1、配置nginx负载均衡使用uptream

• 根据目录设置https://www.jb51.net/article/173259.htm
• 当我访问域名时，就会被nginx反向代理到172.16.1.7:80或172.16.1.8:80或172.16.1.9:81上

http {#后端web地址池   upstream www_pool {server 172.16.1.7:80  weight=1;server 172.16.1.8:80  weight=1;server 172.16.1.9:81  weight=1;
}server {listen       80;#多个域名用空格隔开server_name  www.etiantian.org bbs.etiantian.org;   location / {index  index.html index.htm;#反向代理到地址池proxy_pass http://www_pool;proxy_set_header Host  $host;proxy_set_header   X-Real-IP   $remote_addr;proxy_set_header X-Forwarded-For $remote_addr;proxy_set_header   X-Forwarded-Proto https;}}
}

2、基于https的负载均衡配置

# cat /etc/nginx/Virtul/manager_proxy.conf 
upstream www_manager {server 172.16.40.122:80  weight=1;server 172.16.40.120:80  weight=1;
}#upstream www_manager_ssl {                   # 如果放开这里反而报400错误  
#    server 172.16.40.122:443 weight=1;
#    server 172.16.40.120:443  weight=1;
#}server {listen       80;server_name  saas3.deepcloudsdp.com;location / {#index  index.html index.htm;#反向代理到地址池proxy_pass http://www_manager;proxy_set_header Host  $host;proxy_set_header X-Forwarded-For $remote_addr;}}
server {listen       443 ssl;    # 这里的ssl表示开启ssl 相当于旧版本的ssl onserver_name  saas3.deepcloudsdp.com;ssl_certificate      /etc/nginx/SSL/cert.pem;ssl_certificate_key  /etc/nginx/SSL/cert.pem;ssl_protocols TLSv1 TLSv1.1 TLSv1.2;location / {#index  index.html index.htm;#反向代理到地址池proxy_pass http://www_manager;  #让443也去找80,如果让443找443就写成proxy_pass https://www_manager_ssl，否则会报错400 Bad Request: The plain HTTP request was sent to HTTPS portproxy_next_upstream http_502 http_504 error timeout invalid_header;proxy_set_header Host  $host;proxy_set_header   X-Real-IP   $remote_addr;proxy_set_header X-Forwarded-For $remote_addr;proxy_set_header   X-Forwarded-Proto https; }
}