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{% set server_check_path = parameter_dict['server-check-path'] -%}
global
maxconn 4096
stats socket {{ parameter_dict['socket-path'] }} level admin
defaults
mode http
retries 1
option redispatch
maxconn 2000
cookie SERVERID rewrite
balance roundrobin
stats uri /haproxy
stats realm Global\ statistics
# it is useless to have timeout much bigger than the one of apache.
# By default apache use 300s, so we set slightly more in order to
# make sure that apache will first stop the connection.
timeout server 305s
# Stop waiting in queue for a zope to become available.
# If no zope can be reached after one minute, consider the request will
# never succeed.
timeout queue 60s
# The connection should be immediate on LAN,
# so we should not set more than 5 seconds, and it could be already too much
timeout connect 5s
# As requested in haproxy doc, make this "at least equal to timeout server".
timeout client 305s
# Use "option httpclose" to not preserve client & server persistent connections
# while handling every incoming request individually, dispatching them one after
# another to servers, in HTTP close mode. This is really needed when haproxy
# is configured with maxconn to 1, without this option browsers are unable
# to render a page
option httpclose
{% for name, (port, backend_list) in sorted(parameter_dict['backend-dict'].iteritems()) -%}
listen {{ name }}
bind {{ parameter_dict['ip'] }}:{{ port }}
http-request set-header X-Balancer-Current-Cookie SERVERID
{% set has_webdav = [] -%}
{% for address, connection_count, webdav in backend_list -%}
{% if webdav %}{% do has_webdav.append(None) %}{% endif -%}
{% set server_name = name ~ '-' ~ loop.index0 -%}
server {{ server_name }} {{ address }} cookie {{ server_name }} check inter 3s rise 1 fall 2 maxqueue 5 maxconn {{ connection_count }}
{% endfor -%}
{%- if not has_webdav and server_check_path %}
option httpchk GET {{ server_check_path }}
{% endif -%}
{% endfor %}