ec2term.rb

#!/usr/bin/ruby
require 'rubygems'
require 'ec2'
if ( ENV['AMAZON_ACCESS_KEY_ID'] && ENV['AMAZON_SECRET_ACCESS_KEY'] && ENV['EC2_PEM'])
  @ec2 = EC2::Base.new(:access_key_id => ENV['AMAZON_ACCESS_KEY_ID'], :secret_access_key => ENV['AMAZON_SECRET_ACCESS_KEY'])
  @ec2.describe_instances.reservationSet.item.each {|r| 
    r.instancesSet.item.each {|p| 
      system " osascript -e 'tell application \"Terminal\" to (do script with command \"ssh -i #{ENV['EC2_PEM']}  root@#{p.dnsName}\")'"
    }
  }
else
  puts "You must define EC2_PEM, AMAZON_ACCESS_KEY_ID and AMAZON_SECRET_ACCESS_KEY as shell environment variables before running #{$0}!"
end