CM Subscription

Owned by Lee Anjella Macabuhay
Last updated: Apr 10, 2024
2 min read

Developed (Increments)


DescriptionNotes
Subscription Schemas 

Ref: cps-ncmp-events/src/main/resources/schemas/cmnotificationsubscription

  • DME to NCMP Subscription Request
    • cm-notification-subscription-ncmp-in-event-schema-1.0.0.json
  • NCMP to DMI-Plugin Subscription Request
    • cm-notification-subscription-dmi-in-event-schema-1.0.0.json
  • DMI-Plugin to NCMP Subscription Response
    • cm-notification-subscription-dmi-out-event-schema-1.0.0.json
  • NCMP to DME Subscription Response
    • cm-notification-subscription-ncmp-out-event-schema-1.0.0.json

See schema definitions in Impl. Proposal CM Subscriptions : Creating/Merging( Positive Scenarios )


Subscription YANG model

Ref: cps-ncmp-service/src/main/resources/models/cm-data-subscriptions@2023-11-13.yang

UPDATE: Rename leaf-list subscribers to subscriptionIds


See Use of Subscription model

cmNotificationSubscriptionCache

Hazelcast map to hold the incoming subscription create request

  • For comparison of in-database active subscriptions
  • For tracking of subscription request to DMI (Accepted, Rejected, Pending)


KeyValue



 Unique Subscription Id

KeyValue
Dmi-Plugin NameDmiCmNotificationSubscriptionDetails
Dmi-Plugin NameDmiCmNotificationSubscriptionDetails

See Tracking Subscriptions in memory


See Mapping of Cm Subscription Event to Cache Map

NCMP Startup

Ref: CmSubscriptionModelLoader

  1. Onboarding of Subscription model
  2. Initialises parent node for the model
  3. Initialises datastores 

See Use of Subscription model

Client To NCMP

Ref: CmNotificationSubscriptionNcmpInEventConsumer

  • Read incoming subscription message
NCMP to DMI

Ref: CmNotificationSubscriptionPersistenceService

  • Method to fetch ongoing subscription in database via datastore Type, cmHandle ID, xpath

Ref: CmNotificationSubscriptionDmiInEventMapper

  • Mapper to form event for DMI Plugin


Backlog


User StoryTasks
1

Analysis - Merging of Subscriptions ( Positive Scenarios )


2

Update Subscription Event Schemas for Subscription Merge Use Case


3

Create POC for Merge subscriptions datastore logic


4

Onboard subscription model for merging

5Create Client to NCMP flow
6Create NCMP to DMI flow
7

Create DMI to NCMP flow

8

Create NCMP to Client flow