nginx从1.9.0开始发布ngx_stream_core_module模块，该模块支持tcp代理及负载均衡
查看安装的模块
包含--with-stream即有此模块
nginx -V |grep stream
.......
--with-mail --with-mail_ssl_module --with-stream --with-stream_realip_module --with-stream_ssl_module --with-stream_ssl_preread_module
......
注意：yum安装的nginx默认就有此模块，如果你的nginx是编译安装的默认是不开启此模块的。需要在编译时通过指定--with-stream参数来启用这个模块
配置stream模块
stream模块必须在nginx.conf中配置
stream {
upstream mysql {
server 172.16.77.162:3306;
}
server {
listen 3307;
proxy_connect_timeout 30s;
proxy_timeout 10m;
proxy_pass mysql;
}
}
测试
- 检查配置及重启
$ nginx -t
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
$ nginx -s reload
- 连接测试
- 官网比较完整的示例
worker_processes auto;
error_log /var/log/nginx/error.log info;
events {
worker_connections 1024;
}
stream {
upstream backend {
hash $remote_addr consistent;
server backend1.example.com:12345 weight=5;
server 127.0.0.1:12345 max_fails=3 fail_timeout=30s;
server unix:/tmp/backend3;
}
upstream dns {
server 192.168.0.1:53535;
server dns.example.com:53;
}
server {
listen 12345;
proxy_connect_timeout 1s;
proxy_timeout 3s;
proxy_pass backend;
}
server {
listen 127.0.0.1:53 udp reuseport;
proxy_timeout 20s;
proxy_pass dns;
}
server {
listen [::1]:12345;
proxy_pass unix:/tmp/stream.socket;
}
}
