Better --check compatibility for ceph-rgw role
Better --check compatibility for ceph-rgw role

Carefully chosen "always_run: true" parameters for read-only tasks that
register variables. This enables --check runs (at least on deployed
clusters).

guits/ceph-ansible,albertomurillo/ceph-ansible,fgal/ceph-ansible,jtaleric/ceph-ansible,albertomurillo/ceph-ansible,guits/ceph-ansible,ceph/ceph-ansible,albertomurillo/ceph-ansible,travmi/ceph-ansible,fgal/ceph-ansible,travmi/ceph-ansible,bengland2/ceph-ansible,font/ceph-ansible,font/ceph-ansible,jtaleric/ceph-ansible,WingkaiHo/ceph-ansible,jsaintrocc/ceph-ansible,WingkaiHo/ceph-ansible,jsaintrocc/ceph-ansible,WingkaiHo/ceph-ansible,bengland2/ceph-ansible,ceph/ceph-ansible