Chef Provisioning AWS example

aws-deploy.rb

machine_batch do
  1.upto(6) do |i|
    machine "#{name}-prodweb#{i}" do
      driver 'aws'
	tag 'my-webserver'
  	machine_options :region => node["aws_deploy"]["region"],
	  :location => node["aws_deploy"]["location"],
	  :ssh_username => node["aws_deploy"]["ssh_username"],
	  :aws_tags => {"belongs_to" => name},
	  :convergence_options => {
	    :ssl_verify_mode => :verify_none,
	    :chef_version => node["aws_deploy"]["chef_version"]
  	  },
  	  :bootstrap_options =>{
            :instance_type => node["aws_deploy"]["instance_type"],
	    :security_group_ids => [ "#{name}-ssh-sg", "#{name}-http-linux-sg" ],
	    :image_id => node["aws_deploy"]["linux"]["image_id"],
	    :key_name => node["aws_deploy"]["key_name"]
 	}
      run_list ["role[ubuntu_base]", "recipe[apache]"]
    end
  end
end