quick 'n' dirty aws-shell

aws-shell.rb

#!/usr/bin/env ruby

require 'rubygems'
require 'highline'

def ask(question)
  HighLine.new.ask(question) { |q| q.echo = '*' }
end

if ENV['AWS_SHELL']
  puts "already in aws shell (AWS_SHELL env var is set)"
  exit 1
end

puts "Starting a shell with aws credentials..."
aws_env = {}
aws_env['AWS_ACCESS_KEY_ID'] = ask('access key id: ')
aws_env['AWS_SECRET_ACCESS_KEY'] = ask('secret access key: ')
aws_env['AWS_SHELL'] = '1'
aws_env['RPROMPT'] = "(aws-shell)" # assumes zsh

exec(aws_env, ENV['SHELL'])