Day: April 3, 2020

yum install epel-release

yum install nginx
systemctl start nginx
systemctl enable nginx

vi /etc/nginx/nginx.conf

events { }

http {
    upstream api {
        #least_conn; #other options are also available
        server 192.168.0.57:6443;
        server 192.168.0.93:6443 weight=3;
        server 192.168.0.121:6443 max_fails=3 fail_timeout=30;
    }

    server {
        listen 8888 ssl;
        ssl_certificate     test.crt;
        ssl_certificate_key test.key;
        location / {
            proxy_pass https://api;
        }

   server {
        listen 80 default;
        location / {
            proxy_pass https://api;
        }
    }
}

Loadbalancing algorithm:

least_conn
ip_hash
weight=5
max_fails and fail_timeout

More on : http://nginx.org/en/docs/http/load_balancing.html#nginx_load_balancing_health_checks