Sample haproxy.cfg for OCP
global
maxconn 20000
log /dev/log local0
log /dev/log local1 notice
chroot /var/lib/haproxy
stats socket /run/haproxy/admin.sock mode 660 level admin expose-fd listeners
stats timeout 30s
user haproxy
group haproxy
daemon
# Default SSL material locations
ca-base /etc/ssl/certs
crt-base /etc/ssl/private
# Default ciphers to use on SSL-enabled listening sockets.
# For more information, see ciphers(1SSL). This list is from:
# https://hynek.me/articles/hardening-your-web-servers-ssl-ciphers/
# An alternative list with additional directives can be obtained from
# https://mozilla.github.io/server-side-tls/ssl-config-generator/?server=haproxy
ssl-default-bind-ciphers ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:RSA+AESGCM:RSA+AES:!aNULL:!MD5:!DSS
ssl-default-bind-options no-sslv3
defaults
log global
mode http
option httplog
option dontlognull
option http-server-close
option forwardfor except 127.0.0.0/8
retries 3
timeout http-request 10s
timeout queue 1m
timeout connect 10s
timeout client 300s
timeout server 300s
timeout http-keep-alive 10s
timeout check 10s
maxconn 20000
errorfile 400 /etc/haproxy/errors/400.http
errorfile 403 /etc/haproxy/errors/403.http
errorfile 408 /etc/haproxy/errors/408.http
errorfile 500 /etc/haproxy/errors/500.http
errorfile 502 /etc/haproxy/errors/502.http
errorfile 503 /etc/haproxy/errors/503.http
errorfile 504 /etc/haproxy/errors/504.http
listen stats
bind :4321
mode http
log global
stats enable
stats refresh 30s
stats show-node
stats uri /haproxy?stats
frontend openshift_api_server_frontend
bind *:6443
use_backend openshift_api_server_backend
mode tcp
option tcplog
backend openshift_api_server_backend
balance roundrobin
mode tcp
server tophand 192.168.0.10:6443 check #bootstrap
server trailboss1 192.168.0.20:6443 check
server trailboss2 192.168.0.21:6443 check
server trailboss3 192.168.0.22:6443 check
##for okd upi
frontend machine_config_server_frontend
bind *:22623
default_backend machine_config_server_backend
mode tcp
option tcplog
backend machine_config_server_backend
balance roundrobin
mode tcp
server tophand 192.168.0.10:22623 check #bootstrap
server trailboss1 192.168.0.20:22623 check
server trailboss2 192.168.0.21:22623 check
server trailboss3 192.168.0.22:22623 check
frontend openshift_http_ingress_frontend
bind *:80
default_backend openshift_http_ingress_backend
mode tcp
option tcplog
backend openshift_http_ingress_backend
balance roundrobin
mode tcp
server cowhand1 192.168.0.30:80 check
server cowhand2 192.168.0.31:80 check
server cowhand3 192.168.0.32:80 check
frontend openshift_https_ingress_frontend
bind *:443
default_backend openshift_https_ingress_backend
mode tcp
option tcplog
backend openshift_https_ingress_backend
balance roundrobin
mode tcp
server cowhand1 192.168.0.30:443 check
server cowhand2 192.168.0.31:443 check
server cowhand3 192.168.0.32:443 check
Test
sudo haproxy -c -V -f /etc/haproxy/haproxy.cfg
Apply
sudo systemctl restart haproxy