Running test-kitchen from an EC2 instance

.kitchen.yml

<%
  require 'json'
  require 'net/http'

  json = Net::HTTP.get('169.254.169.254', '/latest/meta-data/iam/security-credentials/chef-lab-workstation')
  creds = JSON.parse(json)
%>---
driver:
  name: ec2
  aws_access_key_id: <%= creds["AccessKeyId"] %>
  aws_secret_access_key: <%= creds["SecretAccessKey"] %>
  aws_session_token: <%= creds["Token"] %>
  aws_ssh_key_id: chef-lab
  ssh_key: <%= ENV['HOME'] %>/.ssh/chef-lab.pem
  subnet_id: subnet-3eb66215
  vpc_id: vpc-1cf49679
  security_group_ids:
    - sg-506fa434
  require_chef_omnibus: true

provisioner:
  name: chef_solo

platforms:
  - name: ubuntu-14.04
    driver:
      image_id: ami-9eaa1cf6
      username: ubuntu
      flavor_id: t2.micro

suites:
  - name: default
    run_list:
      - recipe[apt-upgrade-once::default]
      - recipe[external_cookbook::reboot-if-required]
      - recipe[reboot-handler]
      - recipe[getting-started::default]
    attributes: