example script to create AWS ec2 instance using ruby sdk

launchinstance

#!/usr/bin/ruby

require 'rubygems'
require 'aws-sdk'
require 'erb'

aws_email="email address here"
aws_name="My Test Instance"

# below is IAM credentials for my account
AWS.config(YAML.load(File.read('/Users/tom/aws/pcc')))

template = ERB.new File.read('/Users/tom/aws/userdata')
userdata = template.result(binding)

ec2 = AWS::EC2.new.regions['us-west-1']

inst = ec2.instances.create(
  # :image_id => ec2.images.with_owner("508971454034").tagged('default').first.id, # our custom AMI
  :image_id => 'ami-b63210f3', # latest AMI as of this writing
  :instance_type => 'm1.small',
  :key_name => 'my-aws-keypair',
  :iam_instance_profile => 'iam-role', # delete this line if no role assigned to this instance
  :user_data => userdata # delete this line of no userdata
)

puts "Waiting for new instance with id #{inst.id} to become available..."
sleep 1 while inst.status == :pending

puts "#{inst.dns_name} is ready"

inst.tags.Name = aws_name
inst.tags.email = aws_email

# TODO - add CNAME for new instance to my domain