Disable SELinux


rpm -Uvh https://download.ceph.com/rpm-octopus/el8/noarch/ceph-release-1-1.el8.noarch.rpm
yum install epel-release
yum clean all
yum update
yum install ceph
yum install ceph-radosgw


Move the host in the hosts_all/CephProd-C8 hostgroup 

Run once puppet:

puppet agent -t


Copy from a ceph-mon-xx host the file /etc/ceph/ceph.client.admin.keyring and sets its owernship and mode that should be:

-rw-------. 1 ceph ceph 137 Feb 20 13:51 /etc/ceph/ceph.client.admin.keyring


Now a 'ceph status' should work


TBC


Ref: https://access.redhat.com/documentation/en-us/red_hat_ceph_storage/3/html/installation_guide_for_red_hat_enterprise_linux/manually-installing-ceph-object-gateway