TOSCA node types of ASD

tosca.nodes.asd:
    derived_from: tosca.nodes.Root  
    description: "The ASD node type"
    version: 0.1
    properties:
      descriptor_id:
          type: string # UUID
          required: true
          description: Identifier of this ASD. It is in UUID format as specified in RFC 4122
      descriptor_invariant_id:
          type: string # UUID
          required: true
          description: >
              Identifier of this descriptor in a version independent manner. This attribute 
              is invariant across versions of ASD. It is in UUID format as specified in RFC 4122
      descriptor_version:
          type: string
          required: true
          description: Identifies the version of the ASD.
      schema_version:
          type: string
          required: true
          description: Identifies the Identifies the version of this ASD’s schema.
      function_description:
          type: string
          required: false 
          description: Description of the application service described by this ASD.
      provider:
          type: string
          required: true
          description: Identifies the provider of the ASD.
      application_name:
          type: string 
          required: true
          description: Name to identify the application service described by this ASD
      application_version:
          type: string
          required: true
          description: Identifies the version of the application service described by this ASD.
      ext_cpds:
          type: list
          required: false
          entry_schema:
               type: tosca.datatype.asd.extCpdData
          description: >
                   Describes the externally exposed connection points of the application 
                   service described by this ASD
      enhanced_cluster_capabilities:
          type: tosca.datatype.asd.enhancedClusterCapabilities
          required: false
          description: >
                  A list of  expected capabilities of the target Kubernetes cluster to aid 
                  placement of the application service on a suitable cluster.   

tosca.nodes.asdInNsd:
    derived_from: tosca.nodes.nfv.VNF
    description: "The generic ASD node types for NS requirements. Optional properties are not list here."
    version: 0.1
    properties:
      descriptor_id: 
          type: string # UUID
          description: Identifier of an ASD. It is in UUID format as specified in RFC 4122
          required: true
      descriptor_version: 
          type: string
          description: Identifies the version of the ASD.
          required: true
          default: "" 
      provider: 
          type: string
          description: Identifies the provider of the ASD
          required: true
          default: "" 
      product_name: 
          type: string
          description: Please use the application_name property
          required: true
          constraints: [""]
          default: "" 
      software_version: 
          type: string
          description: Please use the application_version property
          required: true
          constraints: [""]
          default: ""  
      flavour_id:
          type: string 
          required: true
          constraints: ["simple"]
          default: "simple"
      flavour_description:
          type: string 
          required: true
          constraints: [""]
          default: ""
      vnfm_info:
          type: list
          required: true
          entry_schema:
               type: list
               constraints: [""]
          default: ""
    requirements:
      - virtual_link:
          capability: tosca.capabilities.nfv.VirtualLinkable
          relationship: tosca.relationships.nfv.VirtualLinkableTo
          occurrences: [0,0]
      - virtual_links:
          capability: tosca.capabilities.nfv.VirtualLinkable
          relationship: tosca.relationships.nfv.VirtualLinkableTo
          occurrences: [0,UNBOUNDED]