This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/rook/ceph:1.2.2
  docker pull registry.opensuse.org/opensuse/rook/ceph:1.2.2.0
  docker pull registry.opensuse.org/opensuse/rook/ceph:1.2.2.0.9.248
  docker pull registry.opensuse.org/opensuse/rook/ceph:latest
  docker pull registry.opensuse.org/opensuse/rook/ceph:tumbleweed

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.