snippet.rb

module Rayo
  module Aws
    AWS = Fog::Compute.new({
      :provider => 'AWS',
      :aws_access_key_id => CONFIG.aws.access_key_id,
      :aws_secret_access_key => CONFIG.aws.secret_access_key
    })

    def create_server(opts={})
      hostname=opts[:hostname]
      domain=opts[:domain]
      fqdn="#{hostname}.#{domain}"

      instance=AWS.servers.create({
        :image_id => CONFIG.aws.ami_id,
        :key_name => CONFIG.aws.key_name,
        :flavor_id => CONFIG.aws.instance_size,
        :groups => ["rayo_workshop"],
        :availability_zone => CONFIG.aws.availability_zone,
        :tags=>[]
      })

      instance.wait_for{ ready? }
      if opts[:tags]
        opts[:tags].each_pair do |key,val|
          AWS.tags.create :key => key, :value => val, :resource_id => instance.id
        end
      end

      print "Launching #{fqdn}: "
      instance.wait_for{ ready? }
      puts "---------------------------------------------"
      puts "Chef client instance id: " + instance.id
      puts "Chef client IP: #{instance.public_ip_address}"
      puts "Chef client ec2 DNS: #{instance.dns_name}"
      sleep 10
      eruby = Erubis::Eruby.new(File.read("#{File.join(File.dirname(__FILE__),'..','bootstraps')}/centos_ec2_new.erb"))
      userdata = eruby.result(
      :validation_key => CONFIG.chef.validation_key,
      :target_server  => CONFIG.chef.server,
      :client_name    => CONFIG.chef.client_name,
      :hostname=> hostname,
      :domain=>domain
      )

      ssh_session = AWS.servers.get(instance.id)

      ssh_session.username = CONFIG.aws.username
      ssh_session.private_key_path = CONFIG.aws.key_path

      begin
        puts "Sending userdata to #{hostname} - Key: #{CONFIG.aws.key_path}, User: #{CONFIG.aws.username}"
        ssh_session.ssh(userdata)
      rescue Errno::ECONNREFUSED
        puts "Host: #{hostname} not ready, sleeping 10 seconds"
        sleep 10
        retry
      end
      puts "Finished Bootstrap - {:id=>#{instance.id},:hostname=>#{hostname}}"
    end
  end
end