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server	System Jira
columns	key,summary,type,created,updated,due,assignee,reporter,priority,status,resolution
serverId	4733707d-2057-3a0f-ae5e-4fd8aff50176
key	CPS-277

Analyze all API GET calls listed on this page: https://wikilf-onap.onapatlassian.orgnet/wiki/display/DW/CPS+APIs

(#2 and #21 have already been analyzed and required queries been identified)

...

Wiki Page with the conclusion for each API call
Add new query functionality if needed to https://wiki.onap.org/display/DW/CPS-235%3A+Overview+of+%28early%29+CPS+Query+and+Update+Scenariosto CPS-235: Overview of (early) CPS Query
Review with the full team

To be noted: Dataspace name is fixed to NFP-Operational.

No

API endpoint

Model

Description

CPS Path Query Description

Comments and Status

Jira

1.

/api/sdnc-config-db/v4/nearrtric-list/{trackingArea}

GETcps ran schema model

Get complete details associated with a list of NearRT RIC's and corresponding managed elementsUses cps ran schema model

xpath : /cps-ran-schema/NearRTRIC[@idNearRTRIC="22"]/GNBDUFunction[@idGNBDUFunction="6"]/NRCellDU[@idNRCellDU="15548"]/

attributes : {"nRPCI": 12, "nRTAC": 310, "cellLocalId": 15548}

Note. nRTAC is not the key!

//NRCellDU[ ? ]

Proposed cps query, 2 step approach (inside CPS Core):

Retrieve all unique NRCellDU list entries based on xpath postfix and attribute key and value. Options:
1. /cps-ran-schema/NearRTRIC[?]/GNBDUFunction[?]/NRCellDU[@nRTAC=310]
  i.e. Match full xpath with wildcard for each list-ancestor list key
  Hard to implement, more model knowledge needed
2. //NRCellDU[@nRTAC=310]
  i.e. xpath ends with NRCellDU[?] and attributes contain nRTAC=310
  Already have similar? existing code for this in: FragmentRepository.getByAnchorAndXpathAndLeafAttributes()
Retrieve unique NearRTRIC ancestors (using bookstore generic examples)
1. //book[@name="Feersum Endjinn"]/ancestor::*[position()=3]
  Less flexible, less readable
2. //book[@name="Chapters"]/ancestor::bookstore
  //NRCellDU[@nRTAC=310]/ancestor::NearRTRIC
  The preferred option, enough information an unambiguous enough to correctly resolve the query for this API call

<Ahila> Please note the below:

Fetch the List of Cells using API #2
Fetch the parents and grandparents pertaining to those cells

For team review

Jira Legacy

server	System Jira
columns	key,summary,type,created,updated,due,assignee,reporter,priority,status,resolution
serverId	4733707d-2057-3a0f-ae5e-4fd8aff50176
key	CPS-305

2.

/api/sdnc-config-db/v4/cell-list/{trackingArea}

GETcps ran schema model

Get a list of cells that correspond to a specific tracking area

Done

9.

/api/sdnc-config-db/v4/du-list/{sNSSAI}

GETcps ran schema model

Fetch the DU functions for sNSSAIUses cps ran schema model

Path - cps-ran-schema/NearRTRIC/GNBDUFunction/NRCellDU/attributes/pLMNInfoList/sNSSAIList/sNssai

Query - get ancestor GNBDUFunctionbased on the sNSSAI.

//sNSSAIList[@sNssai=1]/ancestor::GNBDUFunction

NOTE - sNssai is the key

For team review

Possible same solution as #1.

10.

/api/sdnc-config-db/v4/du-cell-list/{sNSSAI}

GETcps ran schema model

Fetch DU Cells for sNSSAI

Uses cps ran schema model

Path - cps-ran-schema/NearRTRIC/GNBDUFunction/NRCellDU/attributes/pLMNInfoList/sNSSAIList/sNssai

Query - get ancestor NRCellDU based on the sNSSAI.

//sNSSAIList[@sNssai=1]/ancestor::NRCellDU

NOTE - sNssai is the key

For team review

Possible same solution as #1.

11.

/api/sdnc-config-db/v4/profile-config/{sNSSAI}GET

Fetch slice profile configuration for an sNSSAI

Not Needed

Ignore this API

12.

/api/sdnc-config-db/v4/slice-config/{sNSSAI}

GETcps ran schema model

Fetch NearRTRIC configuration for a sNSSAI

Uses cps ran schema model

Path - cps-ran-schema/NearRTRIC[ ? ]/attributes/pLMNInfoList[ ? ]/sNSSAIList/sNssai

Query - Get the sibling configData of sNSSAI from the sNSSAIList.

//sNSSAIList[@sNssai=1]/ (include children)

This will use query 3 CPS-235: Overview of (early) CPS Query and Update Scenarios

NOTE - sNssai is the key

For team review

Jira Legacy

server	System Jira
columns	key,summary,type,created,updated,due,assignee,reporter,priority,status,resolution
serverId	4733707d-2057-3a0f-ae5e-4fd8aff50176
key	CPS-309

13.

/api/sdnc-config-db/v4/subscriber-details/{sNSSAI}GET

Fetch subscriber details

Ignore this API

19.

api/sdnc-config-db/v4/nearrtric/{ranNFNSSIId}

GETcps ran schema model

Fetches the NearRTRICs for the RANNFNSSI

Uses cps ran schema model

Query - We need a query that will get the immediate parent (NearRTRICs) based on attribute values from the list of ranNFNSSIIdList (child).

//ranNFNSSIIdList[@RANNFNSSI =1]/ancestor::NearRTRICs

NOTE Model has changed, ranNFNSSIIdList representation now is a leaf-list, thus new type of query is needed 'leaf-list contains a given value'
Here are 2 possible options:

//attributes/ranNFNSSIIdList/element[normalize-space(text())= "ac8ca1a9-e1ec-4480-8720-c74e92566885"]/ancestor::NearRTRIC
//attributes/ranNFNSSIIdList/element[text()="ac8ca1a9-e1ec-4480-8720-c74e92566885"]/ancestor::NearRTRIC

For team review

Possible same solution as #1.

Jira Legacy

server	System Jira
serverId	4733707d-2057-3a0f-ae5e-4fd8aff50176
key	CPS-452

20.

/api/sdnc-config-db/v4/plmn/{sliceProfileId}

GETUses cps ran inventory model

Returns PLMN id for the sliceProfile

Uses cps ran inventory model

Query - We need the following query; based on the sliceProfileId key we will get the sibling that is a pLMIDList.
//sliceProfilesList[@sliceProfileId=1] include descendants (pLMIDList is descendant)

For team review

21.

/api/sdnc-config-db/v4/ta-list/{mcc}/{mnc}/{coverageArea}

/api/sdnc-config-db/v4/ta-list/{PLMNId}/{coverageArea}

GET

Returns List of a tracking area (coverageAreaTAList) of the specified coverage area

Done

...

Question

Comment

1

API 9 & 10:

There are multiple placeholders for it in the same ancestor of DU, RTRIC, CUUP and CUCP NFs.

For DU-list we have identified:

cps-ran-schema/GNBDUFunction/attributes/RRMPolicyRatio/attributes/sNSSAI

For the DU list, we can also use the sNSSAI from cell-list which comes under DU.

For cell-list we have identified:

cps-ran-schema/NRCellDU/attributes/pLMNInfoList/sNSSAIList/sNSSAI
cps-ran-schema/NRCellDU/attributes/RRMPolicyRatio/attributes/rRMPolicyMemberList/sNSSAI

Would you please guide us as to what would be the right attributes to be considered in the search for these GET APIs?

From: ahila.pandaram@wipro.com <ahila.pandaram@wipro.com>

As per the current SDN-R implementation, sNSSAI is configured in NRCellDU, NRCellCU & gNBCUUP. NearRTRIC is configured only in closed loop scenarios.

So please make use of this for the APIs (9) & (10). cps-ran-schema/GNBDUFunction/NRCellDU/attributes/pLMNInfoList/sNSSAIList/sNssai

2

API 12:

We did not identify the slice config attribute for API#12 to be mapped in the Network Slicing.

Kindly provide us with the right model and data.

From: ahila.pandaram@wipro.com <ahila.pandaram@wipro.com>

API (12) can make use of this: cps-ran-schema/NearRTRIC/attributes/pLMNInfoList/sNSSAIList/sNssai

3

The questions are as follows

When inserting a value that already exists into a list do we reject it or replace it without warning? - <Ahila> It can be rejected.
For API number 4, 5 and 6, when this API is called does it create a new entry or does it update an existing entry? <Ahila> - Create a new entry, if it does not exists. Update, if it already exists.
Could you confirm the exact list you are referring to for API number 7? <Ahila> - The comment was updated by Toine. He is referring to the list below. The expected behaviour here is that update to the parent and the child list.

+--rw rRMPolicyMemberList* [idx]

| | +--rw idx uint32

| | +--rw mcc Mcc

| | +--rw mnc Mnc

| | +--rw sNSSAI? SNssai

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