ansible-roles/haproxy/README

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#
# The user of this role will need to write a haproxy.cfg template and install it with a dedicated task. Something like
- name: Configure haproxy
template: src=haproxy.cfg.j2 dest=/etc/haproxy/haproxy.cfg owner=root group=haproxy mode=0440
notify: Reload haproxy
tags: [ 'haproxy', 'haproxy_conf' ]
#
# Very complex setup that involves varnish. Taken here:
# https://alohalb.wordpress.com/2012/08/25/haproxy-varnish-and-the-single-hostname-website/
# For a ssl setup, check here:
# http://seanmcgary.com/posts/using-sslhttps-with-haproxy
# https://alohalb.wordpress.com/haproxy/haproxy-and-ssl/
# https://alohalb.wordpress.com/2013/01/21/mitigating-the-ssl-beast-attack-using-the-aloha-load-balancer-haproxy/
# http://blog.haproxy.com/2015/05/06/haproxys-load-balancing-algorithm-for-static-content-delivery-with-varnish/
# http://blog.haproxy.com/2012/09/10/how-to-get-ssl-with-haproxy-getting-rid-of-stunnel-stud-nginx-or-pound/
# https://serversforhackers.com/using-ssl-certificates-with-haproxy
#
# Session management workarounds:
# http://blog.haproxy.com/2012/03/29/load-balancing-affinity-persistence-sticky-sessions-what-you-need-to-know/
# http://serverfault.com/questions/439445/haproxy-my-sessions-are-sort-of-sticky
#
# Hints to protect from DDOS or too many legitimate requests
# http://www.loadbalancer.org/de/blog/black-friday-black-out-protection-with-haproxy
#