# 01-07 HAProxy - 健康检查升级（HTTP+TLS）+ PROXY Protocol
# 组合：k3s_http 用 option httpchk，k3s_https 用 ssl-hello-chk，均带 send-proxy-v2
# 文档：docs/01-07-openwrt-haproxy.md 第 5 节「健康检查与 PROXY 组合」
global
    log /dev/log local0
    maxconn 4096

defaults
    mode http
    option httplog
    timeout connect 5s
    timeout client 30s
    timeout server 30s

frontend http_in
    bind *:18080
    default_backend k3s_http

frontend https_in
    bind *:18443
    mode tcp
    default_backend k3s_https

backend k3s_http
    option httpchk GET /
    balance roundrobin
    server ylc61 192.168.2.61:80 check send-proxy-v2
    server ylc62 192.168.2.62:80 check send-proxy-v2
    server ylc63 192.168.2.63:80 check send-proxy-v2
    server ylc64 192.168.2.64:80 check send-proxy-v2

backend k3s_https
    mode tcp
    option ssl-hello-chk
    balance roundrobin
    server ylc61 192.168.2.61:443 check send-proxy-v2
    server ylc62 192.168.2.62:443 check send-proxy-v2
    server ylc63 192.168.2.63:443 check send-proxy-v2
    server ylc64 192.168.2.64:443 check send-proxy-v2