OpenStack Administration with Ansible 2 - Second Edition

Setting up Active-Active cloud regions

The process to implement it is relatively straightforward, but it does require distinct attention to detail. Outlining the steps beforehand I have found to be very useful and avoid missing steps. I have also learned that performing the changes manually (aka by hand) does not normally end well either. The process of editing the services configuration files does leave open the door of making edits by mistake, which leads to services that will not start. No good!!! Not even mentioning that it makes the process to implement take three times as long. First, we will review the steps manually and then in the following section, we will learn how to automate the setup process as much as possible. All I can say is ...