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Table of Contents

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InterfaceNameTriggerDescriptionTypeEndpoint or TopicSchema
1HealthCheck30 second interval (configurable)NCMP is to perform a health check against each of the DMI PluginsREST

http://<dmiPluginServiceName>/manage/health

This endpoint will be the standard heath check endpoint provided by spring boot actuator. We don't store it anywhere. We just document it for now.


2CMHandle trust level changeA CMHandle managed by DMI Plugin's trust level has changed

data contains {trustLevel: ENUM} 

event id is cmhandle id in kafka header

Kafka

kafka topic:

dmi-device-heartbeat

<cloudEvents-header>

  id : <cmhandleId>

  type : org.onap.cm.events.trustlevel-notification

data : {
      trustlevel : "COMPLETE/NONE"
}

3CMHandle Query API with trustLevel Query ConditionClient Request

CmHandle is to be returned based on the values in above CMHandle Trust Map

REST
  1. http://<host>:<port>/ncmp/v1/ch/id-searches
  2. http://<host>:<port>/v1/ch/searches 

{
  "cmHandleQueryParameters": [
    {
        "conditionName": "cmHandleWithTrustLevel",
        "conditionParameters": [ {"trustLevel": "COMPLETE"} ]
    }
  ]
}

4Notification on Trust Level ChangeNCMP

NCMP sends notification upon trust level changes

Kafka

kafka-topic:

cm-events

<cloudEvents-header>headers>

"data": {
   "attributeValueChange": [  # Mandatory
        { 
         "attributeName"     : "trustLevel",
         "oldAttributeValue" : "NONE",
         "newAttributeValue" : "COMPLETE"
        }
    ]
}

Managing TrustLevel

DMI Plugins

...

  1. It is the responsibility of the DMI Plugins to update NCMP about the heartbeat of CMHandle.
  2. Through interface 2, DMI Plugins will provide a Kafka event on the changing of trustworthiness state of a CMHandle.
    1. NCMP receives this event and updates the CM Handle Trust Map accordingly
  3. Needs to be able to handle a throughput of 60,000 State changes per minute for 2 instances

...

Query CM Handle with Trust Level

  1. Body of request will be in the format as below:

    Code Block
    languagetext
    titleSearch Trust Level Request Body
    {
  "cmHandleQueryParameters": [
    {
        "conditionName": "cmHandleWithTrustLevel",
        "conditionParameters": [ {"trustLevel": "COMPLETE"} ]
    }
  ]
}


    There are two end points will be subject to query:
    http://<host>:<port>/ncmp/v1/ch/id-searches
    http://<host>:<port>/v1/ch/searches 

  2. Interface 3
  3. NCMP will first check trust level query parameters to determine which trust level (NONE, COMPLETE) is being searched.
    1. if Then, the target trust level is NONE
      1. The cm handles stored in CM Handle Trust Map having NONE will be returned.
      if for both DMI and CM Handle should be compared, and minimum of two (effective trust level)
      must be selected.
    2. If the target trust level is COMPLETEThe cm handles stored in CM Handle Trust Map having COMPLETE will be returned(comes from the request) is equal to effective trust level (obtained in step a.),
      then cm handle should be included in the response.

Notifications on Trust Level Changes

...