In this article we will setup and configure an Ansible Tower cluster on Red Hat Enterprise Linux (RHEL). If you are interested in a single all-in-one deployment, I have already documented this here.
Ansible Tower clustering replaces the traditional active/passive with an active/active configuration. It provides not only HA but scalability as well. Ansible Tower has two critical components: Tower instances running API/Scheduler and the database. RabbitMQ is used for communication between the Tower instances.
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