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DMaaP is component that provides data movement services that transports and processes data from any source to any target.  It provides the capability to:

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  • Service Design and Creation
  • Policy
  • Data Collection Analytics and Events
  • Service Orchestrator
  • Active and Available Inventory
  • SDNC
  • Other


 

2. DMaaP API definitions

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Interface NameInterface Definition Interface CapabilitiesAPI Spec (Swagger)
DMaaP-1

DMaaP Bus Controller Interface

Allows a DMaaP User to control the behavior of DMaaP

  Provides services to enable a DMaaP user to:
  • Provision a Topic in Message Router
    • Creates the topic on MR instance
    • Creates topic Permissions in AAF
    • Creates topic Roles in AAF with appropriate Permissions
    • Associates ONAP application identities to topic Roles
  • Provision a Feed in Data Router
    • Associates publisher credentials with Feed
    • Creates any ingress rules for publish route optimization
  • Provision a Subscriber in Data Router
    • Associates subscriber credentials with feed delivery
    • Creates any egress rules for delivery route optimization
  • Tracks the deployment of DMaaP components vs some network location
onap-dmaap-dbcapi swagger
DMaaP-2

DMaaP Message Router Source Interface

Provides a message sending service to the DMaaP user

 The message sender can:

  • Provision (create/modify/delete) Message Router topics
  • Retrieve individual topic details
  • Retrieve a list of all topics on the message router
  • Publish messages to a message router topic
onap-dmaap-messagerouter swagger
DMaaP-3

DMaaP Message Router Consuming Interface

Provides a message receiving service to the DMaaP user

The message receiver can:

  • Retrieve a list of all topics on the message router
  • Retrieve individual topic details
  • Subscribe / Unsubscribe to message router topics
  • Receive (with filter) messages
onap-dmaap-messagerouter swagger
DMaaP-4

DMaaP Data Routing Source Interface

Provides a data sending service to the DMaaP user

The data sender can:

  • Create/Update/Delete a data feed
  • Retrieve a representation of the data feed
  • Publish data to a data feed
  • Delete a published data from a data feed
onap-dmaap-datarouter swagger
DMaaP-5

DMaaP Data Routing Consumption Interface

Provides a data consumtion service to the DMaaP user

The data consumer can:

  • Retrieve a representation of the data feed
  • Subscribe / Unsubscriber to a data feed
  • Retrieve data from a data feed.
onap-dmaap-datarouter swagger

Note:   xxxI interface is a Component internal interface.  xxxxE interface is a component external interface

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The following interfaces are consumed by DMaaP

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3. Component Description:

DMaaP consists of 4 3 software syatemssystems

  • Message Router (MR) - Message Router is a reliable, high-volume pub/sub messaging service with a RESTful HTTP API. It is intended to be deployed by Platform Service providers so that it is available to Platform clients as a web service. The service is initially built over Apache Kafka.
  • Data Router (DR) - The Data Routing System project is intended to provide a common framework by which data producers can make data available to data consumers and a way for potential consumers to find feeds with the data they require. The interface to DR is exposed as a RESTful web service known as the DR Publishing and Delivery API
  • Data Bus Controller - Provisioning API of the Data Movement Platform that can be used for provisioning topics in the Message Router and feeds in Data Router.

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No new capabilities added in this release.

8. References

  1. DMaaP Wiki: Data Movement as a Platform Project
  2. DMaaP on readthedocs: https://docs.onap.org/en/casablancalatest/guides/onap-developer/developing/index.html#datahtml#dmaap-data-management-as-a-platform-data-bus-controller
  3. Message Router: https://docs.onap.org/en/casablanca/submodules/dmaap/messagerouter/messageservice.git/docs/offeredapis/offeredapis.htmlprojects/onap-dmaap-messagerouter-messageservice/en/latest/index.html#master-index
  4. Bus Controller: https://docs.onap.org/en/casablanca/submodules/dmaap/dbcapi.git/docs/api.htmlprojects/onap-dmaap-buscontroller/en/latest/index.html#master-index
  5. Data Router: https://docs.onap.org/en/casablanca/submodules/dmaap/datarouter.git/docsprojects/onap-dmaap-datarouter/en/latest/index.htmlhtml#master-index