tosca_definitions_version: tosca_simple_profile_yaml v 1.2

data_types:
  tosca.datatypes.nfv.InstantiationLevel
    derived_from: tosca.datatypes.Root
    description: A datatype for describing the datastructure of a VNF instatiation level
    properties:
      description:
        type: string
        required: true
      vdu_levels:
        type: map
        entry_schema: integer 
        # Change type to tosca.datatypes.nfv.VduLevel
        required: true
      virtual_link_bitrate_levels:
        type: map
        entry_schema: 
          type: tosca.datatypes.nfv.BitRateLevel
        required: true
    
node_types:
  tosca.nodes.nfv.VNF_A
  derived from:
  properties:
    instantiation_levels:
      type: list
      entry_schema: tosca.datatypes.nfv.InstantiationLevel
      required: true
    instantiation_level:
      type: integer
      required: true
      default: 1
    # other properties and requirements omitted for brevity

topology template:
  inputs:
    instantiation_level:
      type: integer
      description: instantiation_level received from the API
      constraints:
        - valid_values: [1,2]

node_templates:
  VNF_A:
    type: tosca.nodes.nfv.VNF_A
    properties:
      instantiation_levels:
        - 
          description: "Basic Level"
          vdu_levels: [{VDU_A: 1}, {VDU_B: 2}]
          virtual_link_bitrate_levels: [{VL_1: [root: 1000000, leaf: 100000] }, {VL_2: {root: 1000000}}]
        -  
          description: "Power Level"
          vdu_levels: [{VDU_A: 4}, {VDU_B: 2}]
          virtual_link_bitrate_levels: [{VL_1: {root: 1000000}}, {VL_2: {root: 1000000}}]
          
      instantiation_level: {get_input: instantiation_level}
                  
# other properties, requirements and capabilities omitted for brevity




tosca_definitions_version: tosca_simple_profile_yaml v 1.2
topology template:

  inputs:
    instantiation_levels:
      type: list
      entry_schema: tosca.datatypes.nfv.InstantiationLevel
    instantiation_level:
      type: integer
      
  substitution_mappings:
    node_type: tosca.nodes.nfv.VNF_A
  # requirements mapping omitted for brevity

  VDU_A:
    type:tosca.nodes.nfv.Vdu.Compute
    properties:
      # omitted for brevity
    requirements:
      # omitted for brevity
    capabilities:
      # omitted for brevity
    interfaces:
      Standard:
        create:
          implementation: instantiateVDU_A.sh
          inputs:
            level: {get_input: [instantiation_levels, {get_input: instantiation_level}, vdu_levels, VDU_A]}
         
  VDU_B:
    type:tosca.nodes.nfv.Vdu.Compute
    properties:
      # omitted for brevity
    requirements:
      # omitted for brevity
    capabilities:
      # omitted for brevity
    interfaces:
      Standard:
        create:
          implementation: instantiateVDU_B.sh
          inputs:
            level: {get_input: [instantiation_levels, {get_input: instantiation_level}, vdu_levels, VDU_B]}
   
  VL_1:
    type: tosca.nodes.nfv.VnfVirtualLink
    properties:
    # omitted for brevity
    requirements:
    # omitted for brevity
    capabilities:
    # omitted for brevity
    interfaces:
      tosca.interfaces.node.lifecycle.Standard:
        create:
          implementation: instantiateVL_1.sh
          inputs:
            bitrate_level: {get_input: [instantiation_levels, {get_input: instantiation_level}, virtual_link_bitrate_levels, VL_1]}