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##################################
### ONAP Data Model Normatives ###
##################################

data_types:

interface_types:
  onap.interfaces.node.lifecycle.Standard:
    derived_from: tosca.interfaces.node.lifecycle.Standard
    description: the ONAP resource lifecycle interface, in case it extends the standard TOSCA's
    # here come the extensions

  onap.interfaces.node.lifecycle.VNF:
    # VNFs may need an extended lifecycle interface
    
  onap.interfaces.node.lifecycle.Service:
    # Services may need an extended lifecycle interface
    
capability_types:
  onap.capabilities.Compute:
    # a derivation of tosca.capabilities.Computea TOSCA normative capability type

  onap.capabilities.Storage:
    # a derivation of tosca.capabilities.Storagea TOSCA normative capability type

policy_types:
  onap.policies.scaling.Fixed:
    # ....

  onap.policies.scaling.Variable:
    # ....

  onap.policies.placement.Affinity:
    # ....

  onap.policies.placement.AntiAffinity:
    # ....

  onap.policies.naming.NumSequence:
    # ....


node_types:
  #TODO: provide a description of the metadata for the node templates
  onap.nodes.Resource:
    description: |
      a base of the ONAP hierarchy of resources
    derived_from: tosca.nodes.Root
    descriptionrequirements: the very base of the ONAP resource hierarchy

      - host:
          interfacesdescription: |
      Standard:     # justAn aONAP reminderresource thatmay allbe resourceshosted haveby a standardTOSCA lifecyclecontainer.
 interface
        type: onap.interfaces.node.lifecycle.Standard
  In a requirements:
VDU, this requirement is of the - container:onap.capabilities.Compute type
          capability: tosca.capabilities.Container
          occurrences: [0, UNBOUNDED1]
          relationship: onap.relationship.HostedOn
    
onap.nodes.VNFFunction:
    derived_from: onap.nodes.Resource
    description: an|
 abstract base for thea hierarchyvirtual offunction concrete VNF resources(VNF, VDU, VFC)
    properties:
    # all IM properties
    # ECOMP's
      # ONAP IM's
    interfaces:
      Standard:  # just a reminder that 
        type: tosca.interfaces.node.lifecycle.VNF
	#TODO: check on the HPA use case
  all ECOMP VNF properties
  requirements:
  # 1. MANY requirements of type onap.capabilities.Compute (a summary of
  #    the Compute requirements of all inner Container and VDU nodes
  #    exposed through the substitution mapping)
  # 2. MANY requirements of type onap.capabilities.Linkable (a summary of
  #    the Linkable requirements of all ExtCPs inside the topology
  #    exposed through the substitution mapping)
  # 3. MANY OTHER application-level reqs&caps


  onap.nodes.VDU:
    derived_from: onap.nodes.Resource
    description: |
      represents a virtualization container at the infrastructure level; 
      contains the software image, states requirements for hardware 
      declares [required] hardware capabilities 
    capabilities:
      containerhost: 
        type: tosca.capabilities.Container
        occurrences: [0, UNBOUNDED]
    requirements:
      - compute:
          type: onap.capabilities.Compute
          occurrences: [0, UNBOUNDED]
      - storage:
          type: onap.capabilities.Storage 
          occurrences: [0, UNBOUNDED]

##################################
### Sample VNF                 ###
##################################

node_types:
  com.vendorxxx.SampleVNF:
    derived_from: onap.nodes.VNF
    description: a concrete VNF provided by a vendor
    properties:
      num_of_instances_inside:
        type: integer
    requirements:
      - compute_1:
          type: onap.capabilities.Compute
      - storage_1:
          type: onap.capabilities.Storage
    capabilities:
      the_important_capability:
        #...
      
topology_template:
  inputs:
    num_resource_instances:
      description: how many resource instances to create
      type: integer

  node_templates:
    vl_1:

    cp_1:
    
    internal_valuable_resource_1:
      type: com.vendorxxx.ResourceType
      artifacts:
        image: ResourceDockerFile
      capabilities:
        valuable_capability: #....
      requirements:
        - container:
            node: vdu_1
            capability: container

    vdu_1:
      type: onap.nodes.VDU
      artifacts:
        image: myImageFile.ovf
      capabilities:
        container:
      requirements:
        - compute:
            node_filter:
              capabilities:
                - onap.capabilities.Compute:
                    properties:
                      num_cpus: {in_range: [2, 4]}
                      mem_size: {greater_or_equal: 1GB}

  policies:
    scale_the_value:
      type: onap.policies.scaling.Fixed:
      properties:
        quantity: {get_input: num_resource_instances}
      targets: [internal_valuable_resource_1]

    separate_hosts:
      type: onap.policies.placement.AntiAffinity
      targets: [internal_valuable_resource_1]
      properties:
        distance: PhysicalHost
      
    same_office:
      type: onap.policies.placement.Affinity
      targets: [internal_valuable_resource_1]
      properties:
        scope: DataCenter
      
  substitution_mappings:
    node_type: com.vendorxxx.SampleVNF
    properties:
      num_of_instances_inside:
        mapping: [SELF, num_resource_instances]  # a mapping to an input
    capabilities:
      the_important_capability:
        mapping: [internal_valuable_resource_1, valuable_capability]
    requirements:
      compute_1:
        mapping: [vdu_1, compute]
      storage_1:
        mapping: [vdu_1, storage]            

######################################
### A Sample Service using the Sample VNF ###
######################################

topology_template:
  node_templates:
    vnf_1:
      type: com.vendorxxx.SampleVNF
      properties:
        num_of_instances_inside: 13
      requirementscapabilities:  # infrastructure requirements, to be satisfied by the orchestrator
        - compute_1:
            capabilities: onap.capabilities.Compute
        - storage_1:
            capabilities: onap.capabilities.Storage