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STATUS: Draft

AAI (Available and Active Inventory):

1 High Level Component Definition and Architectural Relationships 

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The CLAMP functional entity provides the capability to manage runtime control loopsAAI (Available and active inventory) function provides real-time views of the resource and services in managed by and their relationships.  It provides the capability to

  • Create control loop from DCAE blueprint sent by SDC
  • Create configuration policy from the policy Tosca sent by SDC
  •  Configure DCAE applications of the control loop
  • Associate µService configuration policies to the DCAE application
  • Configure the operations to be taken by the control loop (by creating/updating/deleting operational policies)
  • Deploy/un-deploy control loop flow (blueprints) to DCAE
  • Control loop visualization. 

CLAMP relies on Policy to communicate to App-C/VF-C/SDN-C/SO in runtime, hence these are not part of CLAMP 

  • Realtime views of the managed resources and services and their relationships

  • The relevance of the managed resources and services to the ONAP components.

  • It is a registry of the active, available and assigned assets.

  • It maintains a multidimenstional relationship amongst the managed services and resources. 

2. API definitions

CLAMP provides AAI provides the following interfaces:

CLAMPE
Interface NameInterface Definition Interface CapabilitiesVersionStatusConsumed Models
AAIE-1Control Loop Lifecycle Management Inventory Service Interface.   A user interface for:
  • Selecting the control loop flow
  • Entering configuration policy parameters
  • Entering operational policy parameters
  • Managing life cycle of DCAE control flow blueprint 
CLAMPE-2Control loop dashboard.  User interface to show the overall status of the control loop through DMAAP events

 Display and update:

  • Events received and actions taken on the control loop.
  An interface to create, update, retrieve, query, delete the service, resources and relationship inventory information for:
  • Cloud infrastructure (including cloud infrastructure regions and availability zones, cloud infrastructure resources such as servers, storage, VLANs, cloud network technologies,...)
  • Paths and connectors
  • Business Customers and business customer relationship to managed assets
  • Service Instances (including the relationship to used resources)
  • Resource instances (including allotted resources) (virtual and physical, including VNFs, PNFs, Switches, VNF modules)
  • External systems (systems that ONAP connects to)
  • Images
  • Networks
  • Infrastructure tenants
  • Relationships
  • Interfaces
  • IP addresses
  • Configurations
  • Licenses
  • Site resources

AAI also provides Inventory History information

v16
AAI XSD
 AAIE-2AAI Graphical User Interfaces Provides the capability to view the inventory 


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

The current API documents can be found at:

CLAMP

AAI consumes the following Interfaces:

Interface NamePurpose Reason For Use
SDCE-6To receive the Control Loop Blueprint from SDCTo receive
PolicyE-2To create and configure the closed Loop Operational Policies and Configuration policies(DCAE Aps. Config.)
DCAEE-x Retrieve DCAE appplication status
DCAEE-y Deploy/remove DCAE application. 
service and resource artifacts from SDC.


3. Component Description:

A more detailed figure and description of the component.

<< For later inclusion >>FFS

4. known system limitations

Runtime: None

Clamp data redundancy is dependent on Kubernetes and the persistent volume.

Clamp application redundancy HA relies on Kubernetes


5. Used Models

Clamp AAI uses the following models:

  • Service model (received from SDC)
  • VNF model (received from SDC)
  • Policy Model.Inventory Model


6. System Deployment Architecture

Clamp consists of 5 containers:

  • CLAMP container
  • MariaDB container
  • Kibana container
  • E_Search container
  • LogStash container 

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7. New Capabilities in this Release

This release, CLAMP AAI adds the following Capabilities:

...

  • add policy-model to the SDC distribution
  • automatic rendering of configuration policy UI based on the distributed policy model
    •  better rending of the display of the control loop flow based on the distributed blueprint
  • enhanced internal model to better support model driven approach. 

8. References

  1.  CLAMP Overview & User Guide AAI read the docs: https://docs.onap.readthedocs.ioorg/projects/onap-aai-aai-common/en/latest/submodules/clamp.git/docs/index.html CLAMP internal interfaces:  https://onap.readthedocs.io/en/latest/_downloads/d3c9f924c6586fe411d40a05ad9b1bb7/swagger.pdf index.html#master-index
  2. AAI REST API Documentation - Dublin

  3. AAI REST API Documentation on readthedocs.io

  4. AAI GUI: AAI Graphical User Interface