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Table of Contents

References

Jira Legacy
serverSystem Jira
serverId4733707d-2057-3a0f-ae5e-4fd8aff50176
keyCPS-677

Issues/Decisions

#IssueNotesDecision
1removing public property using update with 'null' should also be possible for additional properties
Have separate user story for property 'removal' that will handle both cases 9as sub tasks if need).
Changes are most of code will be similar for each

Scope

  • Support should include create/delete/update from a dmi plugin.
  • Read public properties for a cmhandle

Analysis

The dmi-plugin introduced in Istanbul release has the ability to add a databag of properties (cmHandleProperties) on creation of a cmhandle.
These properties are only shared between NCMP and the dmi-plugin.  In addition, they are only understood by the dmi-plugin and are never used by NCMP.
Once the cmhandle is created in NCMP with the properties attached, then any subsequent requests sent to dmi-plugin for a cmhandle will include these additional properties.

...

The proposed interface changes required on the dmi-plugin interface are listed in the table in Interface Proposals below.

Interface Proposal

Requirement URI
Comment

NCMP-008

Register or update public cmhandle properties


{ncmpRoot}/
ncmp
ncmpInventory/v1/ch/
Scenario : DMI notifies NCMP of new, updated or removed cmhandles
Method : POST
URI : {ncmpRoot}/
ncmp
ncmpInventory/v1/ch/   
Header :
    Content-Type: application/json


Request Body

Request Body : {
      "dmiPlugin" : "onap.dmi.plugin",
      "createdCmHandles" : [ {   "cmHandle" : "rf4er5454",
                                 "cmHandleProperties" : {
                                    "samplePropertyName1" : "samplePropertyValue1"
                                  }        

                                                                         "publicCmHandleProperties" :  {     
                                                                                "hostedBy" : "cmhandle-5678"                                                                                       
                                                                                 "samplePropertyName2" : "samplePropertyValue2
                                  }

                             },
                             {..}
                           ],
      "updatedCmHandles" : [
                             {

                                 "cmHandle" : "ds4errr77",
                                 "cmHandleProperties" : { # To remove a property, set the value to

"NULL"

null
                                    "samplePropertyName1" : "updatedSamplePropertyValue1",
                                    "samplePropertyName2" :

"NULL" 

null  # This property will be removed
                                  }        

                                                                         "publicCmHandleProperties" :  {      # To remove a property, set the value to

"NULL"

null
                                                                               "hostedBy" : "cmhandle-11213",
                                                                                "samplePublicPropertyName1" : "updatedSamplePublicPropertyValue2"
                                  }


                             },
                             {..}

                           ],
      "removedCmHandles" : [ "node-1", "node-2" , ... ]
  }


json attributes:

  • "dmiPlugin" resolvable servicename
  • "createdCmHandles" used for initial cm handle registrations or subsequent
    cmhandle creations
  • "updatedCmHandles"
    Used for updates to cmhandles. Same structure as for create handles
  • "removedCmHandles"  array of cmhandles that have been deleted
    from the network (no additional properties
  1. Is the URI being updated to {ncmpRoot}/ncmpDmi/v2/ch ?
  2. Update to an existing interface
  3. New proposed additions in red
  4. To remove a property, suggest to set the value for the property to
"NULL"
  1. json null in the updatedCmHandles section
  2. Note, the given properties like hostedBy are sample data only.


December 2021 Yang Model for Public Properties Support


Code Block
themeEmacs
titleDecember 2021 Yang Model
linenumberstrue
module dmi-registry {

  yang-version 1.1;

  namespace \"org:onap:cps:ncmp\";

  prefix dmi-reg;

  organization \"Nordix Foundation\";

  contact \"rahul.tyagi@est.tech\";

  revision \"2021-12-13\" {
   description
   \"Added support for new list of public additional properties for a Cm-Handle which are exposed to clients of the NCMP interface. \";
  }

  container dmi-registry {

    list cm-handles {

      key \"id\";

      leaf id {
        type string;
      }

      leaf dmi-service-name {
        type string;
      }

      leaf dmi-data-service-name {
        type string;
      }

      leaf dmi-model-service-name {
        type string;
      }

      list additional-properties {
        key \"name\";
        leaf name {
          type string;
        }
        leaf value {
          type string;
        }
      }
      list public-properties {
        key \"name\";
        leaf name {
          type string;
        }
        leaf value {
          type string;
        }
      }
    }
  }
}