HeatTemplateFormatVersion: '2012-12-12' Parameters: A: Type: String Default: test1 B: Type: String Default: test2 resource1Image: Type: String Default: resource1 Resources: notcomputeConfigBase: Type: AWS::AutoScaling::LaunchConfiguration Metadata: OpenStack::Role: notcomputeConfig a: {Ref: A} b: {Ref: B} resource1: Type: OS::Nova::Server Properties: flavor: test_flavor image: {Ref: resource1Image} key_name: test_key