Feature request: Centralized VCA for KNFs

Centralized VCA for KNFs

Proposer

• David García

Type

Feature

Target MDG/TF

N2VC, LCM (minimal changes)

Description

Make the VCA aware of the added k8sclusters in OSM, rather than bootstrap juju controllers to the k8sclusters

Implementation

Current workflow:

1. NBI gets a request to add a k8s cluster (osmclient: osm k8scluster-add)
2. LCM handles the request 2.1. Initializes helm-charm in the k8scluster 2.2. Initializes juju-bundle in the k8scluster 2.2.1. Use the k8s credentials to bootstrap a juju controller to the k8scluster 2.2.2. Store the juju controller credentials in mongodb

Proposed workflow:

1. NBI gets a request to add a k8s cluster (osmclient: osm k8scluster-add) (no change)
2. LCM handles the request 2.1. Initializes helm-charm in the k8scluster (no change) 2.2. Initializes juju-bundle in the k8scluster 2.2.1. Use the k8s credentials to add the k8s cluster as another cloud in the VCA

Demo or definition of done

This feature is considered complete when any k8scluster added to OSM is added as a cloud to the VCA, and the juju-bundles kdus are deployed to the k8scluster successfully.