Shell environment to install a Brooklyn/AMP software entity

brooklyn.sh

#!/bin/bash

### requirements
# multi operating-system
# - linux (various, centos/rhel, ubuntu in pareticular)
# - osx
# bash 4.x
# helpful error messages
# fail fast and fail safe
#

### lifecycle phases/commands
# install
# is-installed
# customize
# launch
# start
# stop
# restart
# is-running
# status
# pid
# bind

### functions
### mini dsl to describe brooklyn software entity installation?
### cf. jclouds setup tasks?
### cf. other tools like chef?
# install-package
# download
# check-installed
# install-dev-tools
# check-dev-tools
# check-service
# check-network
# setup-network
# - port forwarding, iptables firewalling, nat, dns, dhcp etc.
# setup-user

### variables
# rundir
# XXX use freemarker variable interpolatoin for this