For addressing CLAMP requirement to include policy_model_id part of the blueprint generated by SDC/Self-server flow,  new node type - clamp.nodes.policy  (extended from dcae.nodes.policy) and relationtype - clamp_node.relationships.gets_input_from (derived from cloudify.relationships.depends_on) should be defined (any blueprint to be deployed via CLAMP must reference this new type file)

policy_model_id  is primarily used by CLAMP to know the mapping between MS deployed and corresponding model id and there is no usage of this field in DCAE currently. As the new nodetype inherits dcae.nodes.policy, this will ensure backward compatibility to policy plugins (as it will search through the inherited chain of node types and will find the dcae.nodes.policy there to recognize the node as policy related). The policy_id specified will be used by PolicyHandler as done currently and the new field policy_model_id will be ignored.

Primary effort here is in creating the required type file and packaging as wrapper plugin.

sample extract blueprint expected from CLAMP:

tosca_definitions_version: cloudify_dsl_1_3

…

inputs:

  policy_id_1:

    type: string

    default: "none"

  policy_id_2:

    type: string

    default: "none"

 

node_templates:

  tca_k8s_1:

    type: dcae.nodes.ContainerizedServiceComponent   

    relationships:

      - target: tca_policy_1

        type: cloudify.relationships.depends_on

    properties:

        service_component_type: 'dcaegen2-analytics-tca'

        application_config: {}

        docker_config: {}

        …

 

  tca_k8s_2:

    type: dcae.nodes.ContainerizedServiceComponent   

    relationships:

      - target: tca_policy_2

        type: cloudify.relationships.depends_on

      - target: tca_k8s_1

        type: clamp_node.relationships.gets_input_from

    properties:

        service_component_type: 'dcaegen2-analytics-tca'

        application_config: {}

        docker_config: {}

        …

 

tca_policy_1:

    type: clamp.nodes.policy

    properties:

          **policy_model_id: my_policy-model_id_1

      policy_id:             

           get_input: policy_id_1

 

tca_policy_2:

    type: clamp.nodes.policy

    properties:

          **policy_model_id: my_policy-model_id_2

      policy_id:             

           get_input: policy_id_2