Description of problem:

Starting a pipeline (with has atleast two workspaces) with a default VolumeClaimTemplate fails to run successfully.

Prerequisites (if any, like setup, operators/versions):

OSP-1.4.1

Steps to Reproduce

1. <steps>
   1. Create a pipeline with (git-cli) task
   2. Start the pipeline with two workspaces mapped to VolumeClaimTemplates.

Actual results:

The pipeline execution immediately fails with invalid value 'Gi' is passed as for spec.storageClassName error

Error:

spec.storageClassName: Invalid value: "Gi"

Expected results:

Default volumeClaimTemplate should be mapped to gp2 and the pipeline run execution should pass.

Reproducibility (Always/Intermittent/Only Once):

Always

Build Details:

4.8.0-0.nightly-2021-06-13-101614