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References

CPS-858 - Getting issue details... STATUS

Open Issues & Decisions

#IssueNotesDecision
1

should dataspaceName be given another name?

dataspaces are private to an application (e.g. NCMP) they should not be shared

kieran mccarthy what do you mean by dataspaceName?


2should schema urn be generalized, how might it impact publication to ORAN R1?

The schema of the payload is dictated by the source of the event

kieran mccarthy what do you refer to here?


3should "ncmp" be used rather than "cps" in the type definitions

 i.e. org.onap.cps.cmhandle-lcm-event or org.onap.ncmp.cmhandle-lcm-event?

NCMP owns these events, 'cps' should not appear (even if cps is emitting them)

NCMP java classnames begin with org.onap.cps.ncmp – Tony does not care (smile), but Toine does.

kieran mccarthy , where does this type come from?


4should a bulk cmhandle event be supported?

Prefer to delay this decision, but keep it in mind so we do not need to break compatibility to support it.

-- Could be tricky as with horizontal scale NCMP, multiple will be emitting simulatneously


Proposal Details

Scope covers the Create, Update and Delete of CM Handles.

Update is required as an application must know when we go from ADVISED to READY state.

Proposal is via the main scenarios.... the schema can reflect this.



cmhandle Event TypeDetailEvent
CREATEAdd New CM Handle.
CM Handle added to NCMP in ADVISED state with publicCmhandleProperties
{
  "schema": "org.onap.ncmp:cmhandle-lcm-event-schema:v1",
  "id": "77b8f114-4562-4069-8234-6d059ff742ac",
  "source": "org.onap.ncmp",
  "type": "org.onap.ncmp.cmhandle-lcm-event",
  "content": {
     "observedTimestamp": "2020-12-01T00:00:00.000+0000",  # time of received REST registration request
     "cmhandleId": "43t345tbnfd85435"
     "operation" : "CREATE",
     "data" : {   # May add new payload info in future, e.g.  publicCmHandleProperties
         "state" : {
              "cmhandleState" : "ADVISED"
           }
    }
  }
}
UPDATE

Update cmhandle.
cmhandle goes from ADVISED to READY once the schemas are
discovered/added for the cmhandle

schemaSet is also sent in the event as it has been updated along
with the state transition

{
  "schema": "urn:cps:org.onap.ncmp:cmhandle-lcm-event-schema:v1",
  "id": "77b8f114-4562-4069-8234-6d059ff742ac",
  "source": "urn:cps:org.onap.ncmp",
  "type": "org.onap.cps.cmhandle-lcm-event",
  "content": {
    "observedTimestamp": "2020-12-01T00:00:00.000+0000",
    "cmhandleId": 43t345tbnfd85435
    "operation" : "UPDATE",
    "data": {  #  only changed properties are returned
         "state" : {
             "cmhandleState" : "READY"
          },
         "schemaSet": ["schema-name-1", "schema-name-2", "schema-name-3", "schema-name-4", "schema-name-5"]   #  list of all yang modules
      }
    }
  }
}
UPDATE

Update cmhandle

Multiple updates to a cmhandle
Update a publicCmhandleProperty attributes

{
  "schema": "urn:cps:org.onap.ncmp:cmhandle-lcm-event-schema:v2",
  "id": "77b8f114-4562-4069-8234-6d059ff742ac",
  "source": "urn:cps:org.onap.ncmp",
  "type": "org.onap.cps.cmhandle-lcm-event",
  "content": {
    "observedTimestamp": "2020-12-01T00:00:00.000+0000",
    "cmhandleId": 43t345tbnfd85435
    "operation" : "UPDATE",
    "data": {
         "publicCmhandleProperties" : [
             "property-name-1" : null   #  indicates the property has been deleted/removed from the cmhandle
             "property-name-2" : "some-prop-value-2"  # indicates the property has been modified.
             "property-name-3" : "some-prop-value-3"  # This is a new cmhandle property added.
         ]
      }
    }
  }
}
UPGRADE

Upgrade cmhandle

SchemaSet change.  
Triggered by an upgrade of a network element for example

{
  "schema": "urn:cps:org.onap.ncmp:cmhandle-lcm-event-schema:v2",
  "id": "77b8f114-4562-4069-8234-6d059ff742ac",
  "source": "urn:cps:org.onap.ncmp",
  "type": "org.onap.cps.cmhandle-lcm-event",
  "content": {
    "observedTimestamp": "2020-12-01T00:00:00.000+0000",
    "cmhandleId": 43t345tbnfd85435
    "operation" : "UPGRADE",
    "data": {

         "originalSchemaSet" : ["schema-name-1", "schema-name-2", "schema-name-3", "schema-name-4", "schema-name-5.1"],
         "newSchemaSet": ["schema-name-1", "schema-name-2", "schema-name-3", "schema-name-4", "schema-name-5.2", "schema-name-6"]
      }
    }
  }
}

DELETEDelete cmhandle{
  "schema": "org.onap.ncmp:cmhandle-lcm-event-schema:v1",
  "id": "77b8f114-4562-4069-8234-6d059ff742ac",
  "source": "org.onap.ncmp",
  "type": "org.onap.ncmp.cmhandle-lcm-event",
  "content": {
    "observedTimestamp": "2020-12-01T00:00:00.000+0000",
    "cmhandleId": 43t345tbnfd85435
    "operation" : "DELETE"
}
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