ARC ExternalAPI Component Description - Montreal-R13 (Deprecated)

Page Status: Updated for Montreal - Nov 1, 2023 
Component Status: Approved

Last Reviewed on:  

Certified by: @Adrian OSullivan

External API:

1 High Level Component Definition and Architectural Relationships (Deprecated)





External API exposes ONAPs capabilities through TMF standardized interfaces.  It enables ONAP to hide the internal API.


It provides

  • Exposes the ONAP service catalogue capabilities

  • Exposes the ONAP inventory capabilities

  • Exposes ONAP Service Ordering capabilities

  • Interfaces to manage subscription to ExternalAPI events 

2. API definitions

External API provides the following interfaces:

Interface Name

Interface Definition

 Interface Capabilities

API Spec (Swagger)

Interface Name

Interface Definition

 Interface Capabilities

API Spec (Swagger)

ExternalAPIE-1 NBI Management Interface

Provides a healthcheck to verify that the NBI component is running fine



Provides:

  • Healthcheck of a NBI service

https://docs.onap.org/projects/onap-externalapi-nbi/en/latest/_downloads/350675a49dbe01d7970309dac13aaa30/swagger.json

ExternalAPIE-2 Subscription Management Interface

Provides the ability to subscribe to and unsubscribe from External API events.

(also known as the External API Hub interface) 

Provides:

  • Create/Delete a Notification

  • List notification

  • Retrieve a notification

  • Listen to notifications

https://docs.onap.org/projects/onap-externalapi-nbi/en/latest/_downloads/7a0359a1069cff9bb3f7db69109b5294/swagger.json

ExternalAPIE-3 Service Catalogue Interface

 Find service specifications that can be instantiated

 Provides:

  • Search for services in the catalogue (with filters)

  • Retrieve a service specification from the catalogue

https://docs.onap.org/projects/onap-externalapi-nbi/en/latest/_downloads/ca979e4ad0e48c22d6e62f403b4b0c7c/swagger.json

ExternalAPIE-4 Service Ordering Interface

 Request the instantiation of a service

 Provides

  • Search for service orders

  • Retrieve a service order

  • Request a service instantiation

https://docs.onap.org/projects/onap-externalapi-nbi/en/latest/_downloads/9450323ada78d8f7eeb360141ed68b63/swagger.json

ExternalAPIE-5 Service Inventory Interface

 Query information about instantiated services

 Provides

  • Search for instantiated Services

  • Retrieve information about an instantiated order

https://docs.onap.org/projects/onap-externalapi-nbi/en/latest/_downloads/58f285f89bb1416ea0a0ceec1e325800/swagger.json

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

The current offered API documents including swagger and ReDoc version can be found at:

ExternalAPI consumes the following Interfaces:

The current consumer API documents can be found at:

3. Component Description:

A more detailed figure and description of the component.

<< For later inclusion >>

4. Known system limitations

  • No default RBAC on APIs



5. Used Models

ExternalAPI uses the following models:

  • Models used are as per Objects defined in the Swagger.

6. System Deployment Architecture



7. New Capabilities in this Release

8. References

  1. External API architecture: https://docs.onap.org/en/latest/submodules/externalapi/nbi.git/docs/releasenotes/releasenotes.html

  2. External API interface: https://docs.onap.org/en/casablanca/_downloads/8cce799c6c8f3f5916f265c52ab60ba7/nbicallflow.pdf