Articles by Toni Schmidbauer
Articles by Toni Schmidbauer
Stumbling into Quay: Upgrading from 3.3 to 3.4 with the quay-operator
Toni Schmidbauer
We had the task of answering various questions related to upgrading Red Hat Quay 3.3 to 3.4 and to 3.5 with the help of the quay-operator.
Thankfully (sic!) everything changed in regards to the Quay operator between Quay 3.3 and Quay 3.4.
So this is a brain dump of the things to consider.
Operator changes
With Quay 3.4 the operator was completely reworked and it basically changed from opinionated to very opinionated. The upgrade works quite well but you have to be aware about the following points:
Ansible Tower and downloading collections
Every wondered why Ansible Tower does not start downloading required collections when you synchronize a project? Here are the stumbling blocks we discovered so far:
Understanding RWO block device handling in OpenShift
In this blog post we would like to explore OpenShift / Kubernetes block device handling. We try to answer the following questions:
What happens if multiple pods try to access the same block device?
What happens if we scale a deployment using block devices to more than one replica?
Basic usage of git
This is a very short and hopefully simple introduction on how to use Git when you would like to contribute to projects hosted on github.com. The same workflow should also work for projects on gitlab.com.
Red Hat Satellite Cheat Sheet
Cheat sheet for various Red Hat Satellite tasks from a newbie to a newbie.
Helpful oc / kubectl commands
This is a list of useful oc and/or kubectl commands so they won’t be forgotton. No this is not a joke…
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