Running stateful workloads on Kubernetes: cluster setup, database operators such as those for PostgreSQL, Helm, storage, networking, OpenShift and Rancher.
Kubernetes certificates is a very important subject matter as it protects the communication of the components inside your cluster. However it is not a very popular topic as it could be quite confusing and adds more complexity to an already complex Kubernetes architecture. In this blog I’ll try to clarify it and give an example of a single certificate regeneration.…
Undoubtedly, Kubernetes has become the standard for container orchestration, making it necessary to work with extensions that add a layer of security and modularity. So, what exactly are these extensions? According to the Kubernetes documentation, “An admission controller is a piece of code that intercepts requests to the Kubernetes API server prior to persistence of the object, but after the…
You want to deploy Ansible AWX on a Kubernetes cluster using awx-operator, but your security policy requires you to use a local registry to store the necessary container images ? Okay, let’s see how to do this using Helm. Default deployment By reading the awx-operator documentation, you should have a values file similar to this one (with spec values according…
I attended for the first time the KCD (Kubernetes Community Days) in Zürich with my colleagues Jean-Philippe and Arjen. I can say I was pretty eager to know more about topics around Kubernetes and eBPF stuff as Isovalent was well represented.This event is a two day conference with 2 streams at some slots, first day is dedicated to technical workshops…
Today at dbi services, with my colleague Chay Te and Arjen Lankkamp, we attended to the KCD in Zurich. First occurrence of the Kubernetes Community Days organized in Switzerland, the KCD Zurich hosted 250 participants. The previous day was devoted to technical workshops, while the following day was spent on general sessions and talks. This event, which took place at…
Is the Oracle Cloud a hot topic for you? dbi services organized an event about the Cloud today in Lausanne: “Oracle Cloud Infrastructure: everything for an efficient migration“. After a welcome coffee to meet each other, Pascal Zanette shortly introduced the event and the agenda of the day. Our CTO Hervé Schweitzer presented then YaK, developed by dbi services.The idea…
In my Rook Ceph series, I’ve given first an introduction of Rook Ceph. Then I’ve shared the procedure on how to do a disk extension. With this blog post, I’d like to share how your files can be accessed in such a cluster. We are using the Ceph File System (CephFS) and if you are new to it, here are…
Today is the last day of conferences. It is unexpected but I get fitter and fitter as I walk between 4 and 5 kilometre each day from one session to another. The RAI Amsterdam Convention Centre is huge and when finally on the last day you have the map of it in the head and know all the shortcuts, it…
The last day arrives unfortunately too fast. To be honest I’m a bit tired as there was so much interesting sessions. The conference center was really huge, with plenty of session. I almost had to walk 10km every day as per the iPhone health application. I’m happy that I would be at home tonight and take a bit rest with…
The night in Amsterdam was calm, we were in the city with my colleague Benoît Entzmann and we had a good typical Dutch Dinner, we enjoyed the meal. One point to notice is that RAI Amsterdam is really well deserved, easy if you want to visit the city and come back to the hotel using the metro. Good choice for…
Here we are with Arnaud Berbier, up for our second conference day! You can check my blog for Day 1 if you’ve missed it. Keynote sessions Like yesterday, we started with a bunch of Keynote sessions from highly skilled speakers from the big Silicon Valley companies we all know about. It feels very much like an American show with lights…
Day 0 warm up! We arrived yesterday with my colleague Arnaud Berbier in Amsterdam for the KubeCon / CloudNativeCon but also the first CiliumCon 2023. All those events are grouped together. Thank you dbi services for this very great opportunity! We’ve carefully prepared our Schedule to make the most of it. There are a lot of sessions of various style…
