handy hipache provision script installation: curl https://gist.github.com/krava/7708703/raw/3c4828c832ec63c66575339f0d1cd7647b0cc62c/edge > /sbin/edge && chmod u+x /sbin/edge

edge

#!/bin/bash

COMMAND=$1
HOST=$2

case $COMMAND in
  add)
    shift;shift
    if [[ ! $HOST ]]; then
      echo No host specified.
      exit 409
    elif [[ `redis-cli exists frontend:$HOST` =~ "0" ]]; then
      redis-cli rpush frontend:$HOST $HOST >/dev/null && echo AH $HOST
    elif [ $# -eq 0 ]; then
      echo Host $HOST exists.
      exit 409
    fi

    if [ $# -gt 0 ]; then
      for B in "$@"; do
        redis-cli rpush frontend:$HOST $B > /dev/null && echo AB $HOST $B
      done
    fi
    ;;

  remove)
    shift;shift
    if [[ ! $HOST ]]; then
      echo No host specified.
      exit 409
    elif [[ `redis-cli exists frontend:$HOST` =~ "0" ]]; then
      echo Host $HOST not found.
      exit 404
    elif [ $# -eq 0 ]; then
      redis-cli del frontend:$HOST >/dev/null && echo RH $HOST
    else
      for B in "$@"; do
        redis-cli lrem frontend:$HOST 0 $B >/dev/null && echo RB $HOST $B
      done
    fi
    ;;

  list)
    if [[ ! $HOST ]]; then
      redis-cli --raw keys frontend:* | sed 's/^frontend://'
    elif [[ `redis-cli exists frontend:$HOST` =~ "1" ]]; then
      redis-cli --raw lrange frontend:$HOST 1 -1
    else
      echo Host $HOST not found.
      exit 404
    fi
    ;;

  *)
    echo Usage: edge [add,remove,list] [host] [backend] [backend...]
    ;;

esac