global
  # maxconn 4096
  user haproxy
  group haproxy
  daemon
  ca-base /etc/ssl
  crt-base /etc/ssl
  stats socket /var/lib/haproxy/run/haproxy.sock mode 600 level admin
  stats timeout 2m

defaults
  # maxconn 4096
  # Add x-forwarded-for header.
  timeout connect 5s
  timeout client 30s
  timeout server 30s
  # Long timeout for WebSocket connections.
  timeout tunnel 1h

frontend public
  bind :80
  mode http
  tcp-request inspect-delay 5s
  tcp-request content accept if HTTP

  use_backend be_http_%[hdr(host),map(/var/lib/haproxy/conf/os_http_be.map)] if TRUE
  default_backend openshift_default

# public ssl accepts all connections and isn't checking certificates yet certificates to use will be
# determined by the next backend in the chain which may be an app backend (passthrough termination) or a backend
# that terminates encryption in this router (edge)
frontend public_ssl
  bind :443
  tcp-request  inspect-delay 5s
  tcp-request content accept if { req_ssl_hello_type 1 }

  # if the connection is SNI and the route is a passthrough don't use the termination backend, just use the tcp backend
  acl sni req.ssl_sni -m found
  acl sni_passthrough req.ssl_sni,map(/var/lib/haproxy/conf/os_sni_passthrough.map) -m found
  use_backend be_tcp_%[req.ssl_sni,map(/var/lib/haproxy/conf/os_tcp_be.map)] if sni sni_passthrough

  # if the route is SNI and NOT passthrough enter the termination flow
  use_backend be_sni if { req.ssl_sni -m found }

  # non SNI requests should enter a default termination backend rather than the custom cert SNI backend since it
  # will not be able to match a cert to an SNI host
  default_backend be_no_sni

##########################################################################
# TLS SNI
#
# When using SNI we can terminate encryption with custom certificates.
# Certs will be stored in a directory and will be matched with the SNI host header
# which must exist in the CN of the certificate.  Certificates must be concatenated
# as a single file (handled by the plugin writer) per the haproxy documentation.
#
# Finally, check re-encryption settings and re-encrypt or just pass along the unencrypted
# traffic
##########################################################################
backend be_sni
  server fe_sni 127.0.0.1:10444 weight 1 send-proxy

frontend fe_sni
  # terminate ssl on edge
  bind 127.0.0.1:10444 ssl crt /var/lib/containers/router/certs accept-proxy
  mode http

  # re-ssl?
  acl reencrypt hdr(host),map(/var/lib/haproxy/conf/os_reencrypt.map) -m found
  use_backend be_secure_%[hdr(host),map(/var/lib/haproxy/conf/os_tcp_be.map)] if reencrypt

  # regular http
  use_backend be_http_%[hdr(host),map(/var/lib/haproxy/conf/os_http_be.map)] if TRUE

  default_backend openshift_default

##########################################################################
# END TLS SNI
##########################################################################

##########################################################################
# TLS NO SNI
#
# When we don't have SNI the only thing we can try to do is terminate the encryption
# using our wild card certificate.  Once that is complete we can either re-encrypt
# the traffic or pass it on to the backends
##########################################################################
# backend for when sni does not exist, or ssl term needs to happen on the edge
backend be_no_sni
  server fe_no_sni 127.0.0.1:10443 weight 1 send-proxy

frontend fe_no_sni
  # terminate ssl on edge
  bind 127.0.0.1:10443 ssl crt /var/lib/haproxy/conf/default_pub_keys.pem accept-proxy

  # re-ssl?
  acl reencrypt hdr(host),map(/var/lib/haproxy/conf/os_reencrypt.map) -m found
  use_backend be_secure_%[hdr(host),map(/var/lib/haproxy/conf/os_tcp_be.map)] if reencrypt

  # regular http
  use_backend be_http_%[hdr(host),map(/var/lib/haproxy/conf/os_http_be.map)] if TRUE

  default_backend openshift_default

##########################################################################
# END TLS NO SNI
##########################################################################

backend openshift_default
  mode http
  option forwardfor
  #option http-keep-alive
  option http-pretend-keepalive
  server openshift_backend 127.0.0.1:8080