nginx 与上游服务器建立连接的相关设置

妖狐艹你老母 2021-11-16 21:24 266阅读 0赞

向上游服务建立联系

Syntax: proxy_connect_timeout time;   #设置TCP三次握手超时时间，默认60秒；默认超时后报502错误
    Default: proxy_connect_timeout 60s; 
    Context: http, server, location

超时更换上游服务器处理请求

Syntax: proxy_next_upstream http_502 | ..;
    Default: proxy_next_upstream error timeout; 
    Context: http, server, location

上游连接启用TCP keepalive的长连接

Syntax: proxy_socket_keepalive on | off;
    Default: proxy_socket_keepalive off; 
    Context: http, server, location

![1468231-20190716171746196-498386061.png][]

上游连接启用http长连接

Syntax: keepalive connections;
    Default: —
    Context: upstream
    
    Syntax: keepalive_requests number;
    Default: keepalive_requests 100; 
    Context: upstream

修改tcp连接中的local address

Syntax: proxy_bind address [transparent] | off;
    Default: —
    Context: http, server, location
    
    
    可以使用的变量
    proxy_bind $remote_addr;
    可以使用不属于所在机器的IP
    proxy_bind $remote_addr transparent;

当客户端关闭连接时

Syntax: proxy_ignore_client_abort on | off;
    Default: proxy_ignore_client_abort off; 
    Context: http, server, location

向上游服务发送HTTP请求；超时时间

Syntax: proxy_send_timeout time;
    Default: proxy_send_timeout 60s; 
    Context: http, server, location

接收上游服务器HTTP响应头部

Syntax: proxy_buffer_size size;  #设置接收上游服务的头部最大值
    Default: proxy_buffer_size 4k|8k; 
    Context: http, server, location

接收上游服务器HTTP包体大小

Syntax: proxy_buffers number size;  # 接收上游服务器响应包大小内存设置
    Default: proxy_buffers 8 4k|8k; 
    Context: http, server, location

接收上游服务器的包体

Syntax: proxy_buffering on | off;     X-Accel-Buffering  头部
    Default: proxy_buffering on; #接收完完整的响应包在在响应给客户端
    Context: http, server, location
    
    
    Syntax: proxy_max_temp_file_size size;  #设之上游服务器响应包过大，后存入磁盘文件。文件大小的设置
    Default: proxy_max_temp_file_size 1024m; 
    Context: http, server, location
    
    
    Syntax: proxy_temp_file_write_size size;  # 每一次向磁盘写入的字节数
    Default: proxy_temp_file_write_size 8k|16k; 
    Context: http, server, location
    
    
    Syntax: proxy_temp_path path [level1 [level2 [level3]]];# 设置存储文件的目录的路径
    Default: proxy_temp_path proxy_temp; 
    Context: http, server, location

及时转发的包体

Syntax: proxy_busy_buffers_size size;  #虽然设置缓存上游服务器的响应报文；但也可以接缓存一部分时就发送给客户
    Default: proxy_busy_buffers_size 8k|16k; 
    Context: http, server, location

接收上游服务器网络速率相关指令

Syntax: proxy_read_timeout time;  #两次读取超时时间
    Default: proxy_read_timeout 60s; 
    Context: http, server, location
    
    
    
    
    Syntax: proxy_limit_rate rate; #限制读取上游服务的响应
    Default: proxy_limit_rate 0; 
    Context: http, server, location

上游包体的持久化

Syntax: proxy_store_access users:permissions ...;  #从上游服务接收文件存入本地文件权限的配置方法
    Default: proxy_store_access user:rw; 
    Context: http, server, location
    
    
    
    
    Syntax: proxy_store on | off | string;  # on的话会存到root对应的目录下；off不开启，string通过变量重新指定存放目录
    Default: proxy_store off; 
    Context: http, server, location

配置

[root@python vhast]# cat shangyou.conf 
    server {
    	listen 8011;
    	default_type text/plain;
    	return 200 '8011 server response.\n';
    }
    
    server {
    	listen 8012;
    	default_type text/plain;
    	root html;
    	location /{
    	}
    	location /test {
    
    		return 200 '8012 server response.
    uri: $uri
    method: $request_method
    requset: $request
    http_name: $http_name
    \n';
    }
    }
    
    [root@python vhast]# cat proxy_method.conf 
    
    upstream haha{
    	#ip_hash;
    	#hash user_$arg_username;
    	#server 127.0.0.1:8011;
    	server 127.0.0.1:8012;
    	#keepalive  32;
    	}
    server {
    	server_name proxy_pass.com;
    	error_log rrups_error.log info;
    		proxy_set_header Connection "";
    	root /tmp;
    	location /{
    		#proxy_pass http://rrups/addurl;
    		proxy_pass http://haha;
    		proxy_store   on;
    		proxy_store_access user:rw group:rw all:r;
    	}
    }
    [root@python vhast]# echo "qwertyuopuughgbbvvbaaa" > ../../html/a.txt
    
    [root@python vhast]# ll /tmp/
    总用量 0
    drwx------. 3 root root 17 7月   5 12:35 systemd-private-1c111c1c3c844bb594508d0cf90d1752-chronyd.service-YE54pH
    drwx------. 3 root root 17 7月   8 12:40 systemd-private-24aea6f6d72d4605a59e86dc56dacf2a-chronyd.service-1Ocoyt
    drwx------. 3 root root 17 7月   9 12:05 systemd-private-d838c8aa5ea24b2d88e0e1c546dadbcf-chronyd.service-wNkAsB

测试

[root@python vhast]# curl proxy_pass.com/a.txt
    qwertyuopuughgbbvvbaaa
    [root@python vhast]# ll /tmp/
    总用量 4
    -rw-rw-r--. 1 nginx nginx 23 7月  12 22:07 a.txt
    drwx------. 3 root  root  17 7月   5 12:35 systemd-private-1c111c1c3c844bb594508d0cf90d1752-chronyd.service-YE54pH
    drwx------. 3 root  root  17 7月   8 12:40 systemd-private-24aea6f6d72d4605a59e86dc56dacf2a-chronyd.service-1Ocoyt
    drwx------. 3 root  root  17 7月   9 12:05 systemd-private-d838c8aa5ea24b2d88e0e1c546dadbcf-chronyd.service-wNkAsB

转载于:https://www.cnblogs.com/rdchenxi/p/11196704.html

[1468231-20190716171746196-498386061.png]: /images/20211116/e588da761b95485a811f25f32e748bd6.png