haproxy.conf.in

global
  log 127.0.0.1 local6
  maxconn  ${haproxy-conf:maxconn}
  user     ${haproxy-conf:user}
  group    ${haproxy-conf:group}
  daemon
  nbproc 1

defaults
  mode http
  option httpclose
  # Remove requests from the queue if people press stop button
  option abortonclose
  # option transparent
  # Try to connect this many times on failure
  retries 10
  # If a client is bound to a particular backend but it goes down,
  # send them to a different one
  option redispatch

  timeout connect 5s
  timeout queue   60s
  timeout client  60s
  timeout server  60s

  # Enable status page at this URL, on the port HAProxy is bound to
  stats enable
  stats uri /haproxy-status
  stats refresh 5m
  stats realm Haproxy\ statistics


# The main frontend forwards requests to one sepcific mirror frontend.
# This necessary for rewriting the Host header which is not possible with haproxy otherwise.
frontend pypi
  bind ${haproxy-conf:bind}
  default_backend pypi-mirrors

backend pypi-mirrors
  # Add a cookie called "serverid" for maintaining session stickiness.
  # This cookie lasts until the client's browser closes.
  cookie serverid insert nocache indirect

  # Use / (the default) for periodic backend health checks
  option httpchk HEAD / HTTP/1.0

  # Server options:
  # "cookie" sets the value of the serverid cookie to be used for the server
  # "maxconn" is how many connections can be sent to the server at once
  # "check" enables health checks
  # "rise 1" means consider server up after 1 successful health check

  server  pypi-mirror-a    ${haproxy-conf:bind-pypia}  cookie ppa    check inter 5m fastinter 2s downinter 1m maxconn 2 rise 1 fall 1
  server  pypi-mirror-c    ${haproxy-conf:bind-pypic}  cookie ppc    check inter 5m fastinter 2s downinter 1m maxconn 2 rise 1 fall 1
  server  pypi-mirror-d    ${haproxy-conf:bind-pypid}  cookie ppd    check inter 5m fastinter 2s downinter 1m maxconn 2 rise 1 fall 1
  server  pypi-mirror-e    ${haproxy-conf:bind-pypie}  cookie ppe    check inter 5m fastinter 2s downinter 1m maxconn 2 rise 1 fall 1
  server  pypi-mirror-f    ${haproxy-conf:bind-pypif}  cookie ppf    check inter 5m fastinter 2s downinter 1m maxconn 2 rise 1 fall 1



# a.pypi.python.org
frontend pypia
  bind ${haproxy-conf:bind-pypia}
  default_backend pypia-backend

backend pypia-backend
  reqirep ^(Host:\s*) \1a.pypi.python.org
  rspirep ^(Location:.*)a.pypi.python.org(.*) \1${haproxy-conf:bind-incoming}\2
  server  pypia-server    a.pypi.python.org:80



# b.pypi.python.org
# This mirror is utterly broken. It does not support neither OPTION nor HEAD checks.


# c.pypi.python.org
frontend pypic
  bind ${haproxy-conf:bind-pypic}
  default_backend pypic-backend

backend pypic-backend
  reqirep ^(Host:\s*) \1c.pypi.python.org
  rspirep ^(Location:.*)c.pypi.python.org(.*) \1${haproxy-conf:bind-incoming}\2
  server  pypic-server    c.pypi.python.org:80



# d.pypi.python.org
frontend pypid
  bind ${haproxy-conf:bind-pypid}
  default_backend pypid-backend

backend pypid-backend
  reqirep ^(Host:\s*) \1d.pypi.python.org
  rspirep ^(Location:.*)d.pypi.python.org(.*) \1${haproxy-conf:bind-incoming}\2
  server  pypid-server    d.pypi.python.org:80



# e.pypi.python.org
frontend pypie
  bind ${haproxy-conf:bind-pypie}
  default_backend pypie-backend

backend pypie-backend
  reqirep ^(Host:\s*) \1e.pypi.python.org
  rspirep ^(Location:.*)e.pypi.python.org(.*) \1${haproxy-conf:bind-incoming}\2
  server  pypie-server    e.pypi.python.org:80



# f.pypi.python.org
frontend pypif
  bind ${haproxy-conf:bind-pypif}
  default_backend pypif-backend

backend pypif-backend
  reqirep ^(Host:\s*) \1f.pypi.python.org
  rspirep ^(Location:.*)f.pypi.python.org(.*) \1${haproxy-conf:bind-incoming}\2
  server  pypif-server    f.pypi.python.org:80