Running 'site.yml' on an already deployed Ceph cluster resets the enabled Ceph Manager modules, Why ?

Solution In Progress - Updated 2019-02-08T10:45:19+00:00 -

Issue

Running site.yml on an already deployed Ceph cluster resets the enabled Ceph Manager modules, Why ?
Ceph Dashboard stops showing data after upgrading from RHCS 3.1 to RHCS 3.2, Why ?

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