HeatTemplateFormatVersion: '2012-12-12'
Description: Minimal template to test validation
Parameters:
  InstanceImage:
    Description: Glance image name
    Type: String
  InstanceType:
    Description: Nova instance type
    Type: String
    Default: m1.small
    AllowedValues: [m1.tiny, m1.small, m1.medium, m1.large, m1.nano, m1.xlarge, m1.micro, m1.heat]
    ConstraintDescription: must be a valid nova instance type.
Resources:
  InstanceResource:
    Type: OS::Nova::Server
    Properties:
      flavor: {Ref: InstanceType}
      image: {Ref: InstanceImage}