https://docs.openshift.com/container-platform/4.17/operators/admin/olm-managing-custom-catalogs.html#olm-creating-catalog-from-index_olm-managing-custom-catalogs

  grpcPodConfig:
    extractContent:
      cacheDir: /tmp/cache
      catalogDir: /configs

If the index image is binary-less, the above setting should be added to the example yaml file. 

related epic: https://issues.redhat.com/browse/OPRUN-3346
related case: https://polarion.engineering.redhat.com/polarion/#/project/OSE/workitem?id=OCP-75328  

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