Get a list of all your EC2 instances in all AWS regions

gistfile1.rb

require "rubygems"
require "aws-sdk"
require "hirb"

extend Hirb::Console

ec2 = AWS::EC2.new(
  :access_key_id => 'YOUR_ACCESS_KEY_ID',
  :secret_access_key => 'YOUR_SECRET_ACCESS_KEY')

instances = []

ec2.regions.each do |region|
  print "\r\e[0KLooking for instances in #{region.name}..."
  $stdout.flush
  region.instances.each do |i|
    instances <<  {
      :id         => i.id,
      :ip         => i.ip_address, 
      :private_ip => i.private_ip_address,
      :dns        => i.dns_name,
      :status     => i.status,
      :region     => region.name,
      :type       => i.instance_type }
  end
end

print "\r\e[0K"
$stdout.flush

table instances