While creating this role there was only one automation decision that I had to make outside of the ones we covered in the previous chapter. All the other considerations carried over.
Since the Nova quota commands allow for numerous options to be passed with no inter-dependencies, we have to figure out a way to not restrict that flexibility in the role and at the same time not require constant updates directly to the role. Ansible makes such a decision really easy by allow for variables to be passed as a hash. Within the variables file you can then define the options for each tenant or user and have the task cycle through each tenant/user with those options.
Note
I promise this is the last time I will make this disclaimer but, I felt it is important to emphasize. There are many ways to approach automating tasks for OpenStack with Ansible; the one shown in this book is one way I personally have found success with and most certainly not the only way. The playbooks/roles...