Follow up from the ONS F2F Session the team agreed to work together to support the integration of Policy and CDS


Purpose:

Enable Closed Loop using CDS component.




Participants:

Yuriy Malakov Liam Fallon Alexis de Talhouët Oskar Malm Brinda Santh Muthuramalingam Magnus Buhrgard undefined undefined Michela Bevilacqua  Marc-Alexandre Choquette


What needs to be done: 

  1. DCAE - Finalize data stream collector, pm mapper

  2. PNF simulator - Define data stream, Define YANG model for consequence action

  3. TCA -Define threshold

  4. Policy - Define policy

  5. Blueprint Processor - Define action to trigger on the PNF


Here are the actions to be take:

JIRADescriptionOwnerComments

PNF simulator:

PNF data file to be collected

PNF Content for reconfiguration

EricssonProvide a sample of the pnf json/xml content that will be reconfigured using Yang Path.

Define Artifacts for DCAE (DFC, Mapper, TCA)


Ericsson

Define Policy rules

Ericsson

Define PNF Action to be taken by CDS.

Define CDS blueprint to be executed

Ericsson

POLICY-1656 - Getting issue details... STATUS

Get recipe to integrate plugin in APEX

Ericsson

Add another plugin for carrying events into and out of APEX, another one of these
https://github.com/onap/policy-apex-pdp/tree/master/plugins/plugins-event/plugins-event-carrier

Event Carrier plugin review submitted just now:
https://gerrit.onap.org/r/#/c/85683/

We also need an event protocol plugin to translate an APEX event into a CDS ExecutionServiceInput object. That's where the APEX and CDS metadata should meet.


---

04/29: Update

1) Check CDS simulator for testing purpose

2) Code Review ongoing

3) Clarify PoC in Policy framework 


Integrate CDS clientBell Canada

gRPC [preferred] or HTTP


SO client: https://github.com/onap/so/tree/master/common/src/main/java/org/onap/so/client/cds

SDNC client: https://github.com/onap/ccsdk-sli-adaptors/tree/master/grpc-resource/provider/src/main/java/org/onap/ccsdk/sli/adaptors/grpc

CDS wiki link: CCSDK Dublin Controller Design Studio Initiative


Help define the CDS blueprint once action identifyBell CanadaNOTE: This is a single action is required to reconfigure the PNF. The single action will execute the steps of param resolution, content generation and content distribution using Yang Patch. Leveraging the work done in Dublin release.
















First draft sequence diagram:

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  1. Had a quick look at the code above. I was tied up with the race to M4 for Policy this week. I had a look at the code above and I'll have a go at implementing the APEX event carrier plugin for this next week.