Modifying the OpenStack configuration
It would be ludicrous to think that all of the playbooks would be needed to run again for a small change such as changing the CPU contention ratio from 4:1 to 8:1. So instead, the playbooks have been developed and tagged so that specific playbooks can be run associated with that particular project that would reconfigure and restart the associated services to pick up the changes.
Getting ready
Ensure that you are root on the deployment host. In most cases, this is the first infrastructure controller node, infra01.
How to do it...
The following are the common changes and how they can be changed using Ansible. As we'll adjust the configuration, all of these commands are executed from the same host you used to perform ...
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