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A.2. Preparing HAProxy Nodes

The following setup assumes two HAProxy nodes named haproxy and haproxy2, and two Ceph Object Gateway servers named rgw1 and rgw2. You may use any naming convention you prefer. Perform the following procedure on your two HAProxy nodes:
  1. Install Red Hat Enterprise Linux 7.
  2. Register the nodes. 
    # subscription-manager register
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  3. Enable the Red Hat Enterprise Linux 7 server repository. 
    # subscription-manager repos --enable=rhel-7-server-rpms
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  4. Update the server. 
    # yum update -y
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  5. Install admin tools (for example, wget, vim, and so on) as needed.
  6. Open port 80. 
    # firewall-cmd --zone=public --add-port 80/tcp --permanent
# firewall-cmd --reload
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  7. For HTTPS, open port 443. 
    # firewall-cmd --zone=public --add-port 443/tcp --permanent
# firewall-cmd --reload
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