{
  "HeatStacks.create_stack_and_scale": [
    {
      "args": {
        "template_path": "templates/autoscaling_group.yaml.template",
        "output_key": "scaling_url",
        "delta": 1
      },
      "runner": {
        "type": "constant",
        "concurrency": 2,
        "times": 3
      },
      "context": {
        "users": {
          "users_per_tenant": 1,
          "tenants": 2
        }
      }
    }
  ]
}