Nginx : Use Stream module2024/02/13 |
Configure Nginx to use Stream module.
It's possible to proxy TCP, UDP (Nginx 1.9.13 and later for UDP), UNIX-domain sockets requests.
This example is based on the environment like follows to proxy MariaDB requests to backend servers.
-----------+---------------------------+----- | | |10.0.0.31 | +----------+-----------+ | | [ www.srv.world ] | | | Nginx | | +----------------------+ | | ------------+--------------------------+----------- | | |10.0.0.51 |10.0.0.52 +-----------+----------+ +-----------+----------+ | [ node01.srv.world ] | | [ node02.srv.world ] | | Mariadb#1 | | Mariadb#2 | +----------------------+ +----------------------+ |
[1] | Configure Nginx. |
root@www:~ #
vi /usr/local/etc/nginx/nginx.conf # line 15 : add load_module /usr/local/libexec/nginx/ngx_stream_module.so; # add to last line # [weight=*] means balancing weight stream { upstream mariadb-backend { server 10.0.0.51:3306 weight=2; server 10.0.0.52:3306; } server { listen 3306; proxy_pass mariadb-backend; } }root@www:~ # service nginx reload
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[2] | Verify it works fine to access to frontend Nginx server from any client computer. |
freebsd@client:~ $ mysql -u serverworld -ppassword -h www.srv.world -e "show variables like 'hostname';" +---------------+------------------+ | Variable_name | Value | +---------------+------------------+ | hostname | node01.srv.world | +---------------+------------------+ freebsd@client:~ $ mysql -u serverworld -ppassword -h www.srv.world -e "show variables like 'hostname';" +---------------+------------------+ | Variable_name | Value | +---------------+------------------+ | hostname | node01.srv.world | +---------------+------------------+ freebsd@client:~ $ mysql -u serverworld -ppassword -h www.srv.world -e "show variables like 'hostname';" +---------------+------------------+ | Variable_name | Value | +---------------+------------------+ | hostname | node02.srv.world | +---------------+------------------+ freebsd@client:~ $ mysql -u serverworld -ppassword -h www.srv.world -e "show variables like 'hostname';" +---------------+------------------+ | Variable_name | Value | +---------------+------------------+ | hostname | node01.srv.world | +---------------+------------------+ |
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