ansible-role-k3s/molecule/highavailability/nginx-loadbalancer.conf

worker_processes 4;
worker_rlimit_nofile 40000;

events {
    worker_connections 8192;
}

stream {
    # Set up our upstream of control (master) nodes. The default load balancing
    # algorithm for nginx is to round-robin. Perfect!
    upstream control_plane {
        server node2:6443 max_fails=3 fail_timeout=5s;
        server node3:6443 max_fails=3 fail_timeout=5s;
    }

    upstream control_plane_443 {
        server node2:443 max_fails=3 fail_timeout=5s;
        server node3:443 max_fails=3 fail_timeout=5s;
    }

    # Listen on port 6443, this is our default control plane port, then pass
    # all traffic to one of the control (master) nodes.
    server {
        listen 6443;
        proxy_pass control_plane;
    }

    # Listen on port 443, this is our default ssl port, then pass
    # all traffic to one of the control (master) nodes.
    server {
        listen 443;
        proxy_pass control_plane_443;
    }
}