rgw: add retry/until on pools tasks
rgw: add retry/until on pools tasks

Sometimes, these task can timeout for some reason.
Adding these retries can help to avoid unexcepted failures.

Signed-off-by: Guillaume Abrioux <30a9df5a0293a6108675377fa1673f7aa713f915@redhat.com>

ceph/ceph-ansible,ceph/ceph-ansible