c12s-kubespray/roles/kubernetes/node/templates/loadbalancer/nginx.conf.j2

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error_log stderr notice;
worker_processes 2;
worker_rlimit_nofile 130048;
worker_shutdown_timeout 10s;
events {
multi_accept on;
use epoll;
worker_connections 16384;
}
stream {
upstream kube_apiserver {
least_conn;
{% for host in groups['kube_control_plane'] -%}
server {{ hostvars[host]['access_ip'] | default(hostvars[host]['ip'] | default(fallback_ips[host])) }}:{{ kube_apiserver_port }};
{% endfor -%}
}
server {
listen 127.0.0.1:{{ loadbalancer_apiserver_port|default(kube_apiserver_port) }};
{% if enable_dual_stack_networks -%}
listen [::]:{{ loadbalancer_apiserver_port|default(kube_apiserver_port) }};
{% endif -%}
proxy_pass kube_apiserver;
proxy_timeout 10m;
proxy_connect_timeout 1s;
}
}
http {
aio threads;
aio_write on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout {{ loadbalancer_apiserver_keepalive_timeout }};
keepalive_requests 100;
reset_timedout_connection on;
server_tokens off;
autoindex off;
{% if loadbalancer_apiserver_healthcheck_port is defined -%}
server {
listen {{ loadbalancer_apiserver_healthcheck_port }};
{% if enable_dual_stack_networks -%}
listen [::]:{{ loadbalancer_apiserver_healthcheck_port }};
{% endif -%}
location /healthz {
access_log off;
return 200;
}
location /stub_status {
stub_status on;
access_log off;
}
}
{% endif %}
}