ha-proxy.cfg

#---------------------------------------------------------------------
# Example configuration for a possible web application.  See the
# full configuration options online.
#
#   http://haproxy.1wt.eu/download/1.3/doc/configuration.txt
#
#---------------------------------------------------------------------

#---------------------------------------------------------------------
# Global settings
#---------------------------------------------------------------------
global
    log         127.0.0.1 local2 
    pidfile     log/haproxy.pid
    maxconn     4000
    daemon

#---------------------------------------------------------------------
# common defaults that all the 'listen' and 'backend' sections will 
# use if not designated in their block
#---------------------------------------------------------------------
defaults
    mode        http
    log         global
    option      dontlognull
    option      redispatch
    timeout connect 10000 # default 10 second time out if a backend is not found
    timeout client 300000
    timeout server 300000
    maxconn     60000
    retries     3

#---------------------------------------------------------------------
# main frontend which proxys to the backends
#---------------------------------------------------------------------
frontend  main *:9000
    option      forwardfor
    option      httpclose
    option      httplog
    acl url_static       path_beg       -i /static /images /javascript /stylesheets /flash /system
    use_backend static          if url_static
    default_backend             rails_app
#    acl is_websocket hdr(Upgrade)    -i WebSocket
#    acl is_websocket hdr_beg(Host)   -i ws
#    use_backend   web_pushback   if is_websocket

frontend websock *:8888
    option      tcplog
    mode        tcp
    timeout client 86400000
    default_backend             web_pushback
 
#---------------------------------------------------------------------
# static backend for serving up images, stylesheets and such
#---------------------------------------------------------------------
backend static
    balance     roundrobin
    server  static 127.0.0.1:4000 check

#---------------------------------------------------------------------
# round robin between app servers
#---------------------------------------------------------------------
backend rails_app
    balance     roundrobin
    server  app1 127.0.0.1:4000 check
  # TODO: can/should we have 2 nginx's one per box?

#---------------------------------------------------------------------
# round robin between push servers (my test)
#---------------------------------------------------------------------
backend web_pushback
    balance     roundrobin
#    timeout server  86400000
#   websocket support or long poll support
    timeout queue     5000
    timeout server 86400000
    server  app1 127.0.0.1:4012 maxconn 200

hactl

#!/bin/sh
root=`pwd`

# development
HAVRS=haproxy-ss-20101202
# stable
#HAVRS=haproxy-1.4.10

HABIN=$root/$HAVRS/haproxy
HACFG=$root/config/haproxy-dev.cfg
HAPID=$root/log/haproxy.pid

check() {
  $HABIN -c -V -f $HACFG
}

start() {
  if [ ! -f $HAPID ]; then
    $HABIN -f $HACFG
    retval=$?
    echo "started: $retval"
  else
    echo "already running check $HAPID"
    exit 1
  fi
}

stop() {
  if [ -f $HAPID ]; then
    kill `cat $HAPID`
    retval=$?
    [ $retval -eq 0 ] && rm -f $HAPID
    echo "stopped: $retval"
  else
    echo "no pid file: $HAPID"
  fi
}

restart() {
  stop
  start
}

case "$1" in
  start|stop|check|restart)
    $1
    ;;
  *)
    echo $"Usage: $0 {start|stop|check|restart}"
    exit 2
esac