Automation considerations

When 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.

Because the Nova quota commands allow numerous options to be passed with no interdependencies, 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 allowing variables to be passed as a hash. Within the variable file, you can then define the options for each project or user and have the task cycle through each project/user with those options.

I promise this is the last time I will make this disclaimer, but I felt that it is important to emphasize:

Note

There are many ways to approach automating tasks for OpenStack with Ansible, the ones shown in this book is just one way I personally have found success with and most certainly not the only way. The playbooks...