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Chapter 8. Setting up HAProxy nodes

To provide load balancing capabilities across the CDS nodes, you must first set up the HAProxy nodes.

The following process explains how to:

Important

The following procedures assume that your CCSP account uses Simple Content Access (SCA). If that is not the case, refer to Appendix A, Using Entitlement Mode instead.

8.1. Registering the HAProxy node
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The following instructions explain how to register your HAProxy nodes.

Note

On the HAProxy node you do not need to use the --type=rhui flag that was required on the RHUA node.

Prerequisites

  • Latest version of RHEL 8 is installed.
  • Ensure you have root access to the HAProxy nodes.

Procedure

  1. On the HAProxy node, enter the following command: 

    # subscription-manager register

    Type your CCSP user name and password when prompted.

  2. Optional: If your system is already registered, you can override the subscription using the --force option. 

    # subscription-manager register --force

    The new system will be available on the Red Hat Customer Portal, and the new HAProxy instance will not have any subscriptions attached to it.

Verification

  1. Navigate to the Red Hat Hybrid Cloud Console.
  2. Verify that your system is available by locating it within the inventory.

To install RHUI on your system, you must first enable certain repositories on your nodes which contain the required packages.

Prerequisites

  • Ensure you have root access to the HAProxy node.

Procedure

  1. The necessary repositories are automatically enabled on all your HAProxy nodes.

Verification

  • List the enabled repositories and verify whether the relevant repositories appear on the list. 

    # yum repolist enabled
Updating Subscription Management repositories.
repo id                                repo name
rhel-8-for-x86_64-appstream-rpms         Red Hat Enterprise Linux 8 for x86_64 - AppStream (RPMs)
rhel-8-for-x86_64-baseos-rpms            Red Hat Enterprise Linux 8 for x86_64 - BaseOS (RPMs)
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