cat << EOF > glance_patch.yaml
spec:
  glance:
    enabled: true
    template:
      databaseInstance: openstack
      customServiceConfig: |
        [DEFAULT]
        enabled_backends=default_backend:rbd
        [glance_store]
        default_backend=default_backend
        [default_backend]
        rbd_store_ceph_conf=/etc/ceph/ceph.conf
        rbd_store_user=openstack
        rbd_store_pool=images
        store_description=Ceph glance store backend.
      storage:
        storageRequest: 10G
      glanceAPIs:
        default:
          replicas: 0
          override:
            service:
              internal:
                metadata:
                  annotations:
                    metallb.universe.tf/address-pool: internalapi
                    metallb.universe.tf/allow-shared-ip: internalapi
                    metallb.universe.tf/loadBalancerIPs: <172.17.0.80>
                spec:
                  type: LoadBalancer
          networkAttachments:
          - storage
EOF 

sh-5.1$ openstack image list
Failed to contact the endpoint at http://glance-default-public-openstack.apps.ocp4.example.com for discovery. Fallback to using that endpoint as the base url.
Failed to contact the endpoint at http://glance-default-public-openstack.apps.ocp4.example.com for discovery. Fallback to using that endpoint as the base url.
The image service for default:regionOne exists but does not have any supported versions.
sh-5.1$