tosca_definitions_version: tosca_simple_yaml_1_0_0
node_types: 
  tosca.nodes.ObjectStorage:
    derived_from: tosca.nodes.Root
    properties:
      name: 
        type: string
      size: 
        type: scalar-unit.size
        constraints:
          - greater_or_equal: 0 GB
      maxsize:
        type: scalar-unit.size
        constraints:
          - greater_or_equal: 0 GB
    capabilities:
      storage_endpoint:
        type: tosca.capabilities.Endpoint