start a ruby version of aws-ha-release

- use aruba to test command line options
  - use rspec to unit test

aws-ha-release/aws-ha-release.rb

@@ -0,0 +1,22 @@
+#!/usr/bin/env ruby
+
+begin
+  require 'aws-sdk'
+  require 'trollop'
+rescue LoadError => e
+  puts "The #{e.message.split('-').last.strip} gem must be installed."
+  raise
+end
+
+opts = Trollop::options do
+  opt :as_group_name, 'AutoScaling Group Name', type: :string, short: '-a'
+  opt :region, 'Region', type: :string, short: '-r'
+  opt :elb_timeout, 'ELB Timeout', type: :int, default: 60, short: '-t'
+  opt :inservice_time_allowed, 'InService Time Allowed', type: :int, default: 300, short: '-i'
+  opt :aws_access_key, 'AWS Access Key', type: :string, short: '-o'
+  opt :aws_secret_key, 'AWS Secret Key', type: :string, short: '-s'
+end
+
+Trollop::die :as_group_name, 'You must specify the AutoScaling Group Name: aws-ha-release.rb -a <group name>' unless opts[:as_group_name]
+Trollop::die :aws_access_key, 'If you specify the AWS Secret Key, you must also specify the Access Key with -o <key>.' if opts[:aws_secret_key] && opts[:aws_access_key].nil?
+Trollop::die :aws_secret_key, 'If you specify the AWS Access Key, you must also specify the Secret Key with -s <key>.' if opts[:aws_access_key] && opts[:aws_secret_key].nil?