If you ever write unit tests in Python, you are probably familiar with Ned Batchelder’s coverage tool. This article explains how you can use coverage in combination with tox and a GitLab CI pipeline, for coverage reports in your Python code.

Here’s a nice way to initialize a CLI argument parser in Python, with arbitrary levels of subcommands.

When you allow one of your OpenStack tenants a large number of routers, they may not be getting as many as you think they will.

Our series on best practices for Ceph and OpenStack continues.

As an OpenStack/Ceph operator, you may sometimes want to forgo uploading a new image using the Glance API, because the process can be inefficient and time-consuming. Here's a faster way.