Epic Goal
Implement a method of installing OpenShift on PowerVC through the OpenShift Installer.

The code reuses the OpenStack provider (PowerVC's code is OpenStack). The code, where there are differences for PowerVC, is modularized.

Ensure any code added to the openstack provider does not interfere with existing deployment methods.

Why is this important?
Provides an easy way to bring a cluster up on premise. PowerVC provides a backend that makes it easy to provision Power virtual machines and the OpenShift installer provides an easy way to deploy OpenShift.

Scenarios
A cluster-admin, deploy a cluster on PowerVC using IPI
A cluster-admin, destroys a cluster on PowerVC using IPI.
A cluster-admin scales a MachineSet with PowerVC

No FeatureGates should be used in the scenarios.

Acceptance Criteria
The code is not behind a featuregate
A user can install an OpenShift Cluster on PowerVC using IPI PowerVC.
The user sets up minimum resources to support the PowerVC use-case.

Dependencies (internal and external)

Previous Work (Optional)

• Original https://issues.redhat.com/browse/MULTIARCH-405
• Spike https://issues.redhat.com/browse/MULTIARCH-4980
• FeatureGate https://issues.redhat.com/browse/MULTIARCH-5358

Open questions

Done Checklist

• CI - For new features (non-enablement), existing Multi-Arch CI jobs are not broken by the Epic
• Release Enablement: <link to Feature Enablement Presentation>
• DEV - Upstream code and tests merged: <link to meaningful PR orf GitHub Issue>
• DEV - Upstream documentation merged: <link to meaningful PR or GitHub Issue>
• DEV - If the Epic is adding a new stream, downstream build attached to advisory: <link to errata>
• QE - Test plans in Test Plan tracking software (e.g. Polarion, RQM, etc.): <link or reference to the Test Plan>
• QE - Automated tests merged: <link or reference to automated tests>
• QE - QE to verify documentation when testing
• DOC - Downstream documentation merged: <link to meaningful PR>
• All the stories, tasks, sub-tasks and bugs that belong to this epic need to have been completed and indicated by a status of 'Done'.