General

The Cloud Storage Operator needs to pass the Secret Provider Class to azure-disk and azure-file csi controllers so they can authenticate with client certificate. 

Why is this important?

• This is also needed to enable authentication with Service Principal with backing certificates for ARO HCP.

Acceptance Criteria

• Refactored code passes the Secret Provider Class to azure-disk and azure-file csi controllers so they can authenticate with client certificate
• Updated documentation
• ARO HCP CI coverage

Dependencies (internal and external)

Azure SDK

Done Checklist

CI - Existing CI is running, tests are automated and merged.
CI - AKS CI is running, tests are automated and merged.
DEV - Upstream code and tests merged: <link to meaningful PR or GitHub Issue>
DEV - Upstream documentation merged: <link to meaningful PR or GitHub Issue>
DEV - Downstream build attached to advisory: <link to errata>
QE - Test plans in Polarion: <link or reference to Polarion>
QE - Automated tests merged: <link or reference to automated tests>
DOC - Downstream documentation merged: <link to meaningful PR>