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Scenario
PNF software upgrade is one aspect of Software Management. The purpose of this procedure is to upgrade the software currently running on the PNF to a target software version without impacts on PNF schema and service template. The details of the solution including:
- Enhancement and additions of PNF in-place software update.
- Support direct PNF NETCONF interface with the vendor-specific YANG model.
- Enhance SO in-place software upgrade workflow with generic SO building blocks, which can be used for workflow design in the design time.
- Using CDS self-service API between SO and controller with the support of PNF in-place software upgrade
- Enhance VID to demonstrate single PNF in-place software upgrade
- Enhance SO procedure to support AAI update after the software upgrade completion.
Procedure
Pre-conditions
- ONAP is ready to use
- SO upgrade workflows are ready to use
- A SDC service template with one PNF resource is designed (including CBA association) and it is distributed to run time
- Service instantiation is completed, including PNF PnP. meaning a PNF instance is in operation with connectivity between PNF-ONAP, PNF-SFTP
Upgrade Procedure
1.Vendor delivers the new software image to the operator and stored in the SFTP server
2.At the VID, operator
- selects a work-flow, and a PNF instance,
- provides the target software version, and
- initiates the upgrade procedure
3.SO executes the workflow
a) SO sends CDS request(s) with action-identifier {actionName, blueprintName, blueprintVersion} to the blueprint processor inside the controller using CDS self-service API
b) Controller/blueprint processor executes the blueprint scripts including sending Netconf request(s) to the PNF instance
c) SO updates the A&AI with the active software-version when the upgrade is completed
SO Workflows
Upgrade Flow
API impacts in Frankfurt
Impacts
Story | components |
Support generic workflow design | SDC/SO |
Support creating of SO upgrade workflows for PNF upgrade, including Upgrade and Preparation | SDC/SO |
Create or modify SO activity building block for PNF upgrade, including downloadNESw, activateNESw, updateAAI, preCheck, postCheck | SDC/SO |
Support PNF upgrade UI | VID |
Update VID-SO API to execute the workflow of PNF software upgrade with target software version: | VID/SO |
PNF and CBA association enhancement to support PNF upgrade | SDC/CDS |
Support PNF upgrade with CDS self-service API | SO/CCSDK |
Implement updateAAI activity for A&AI updates with active software-version | SO |
Documentation | VNFRQTS |
integration / testing and demo | Integration |