DevOps

Ansible loop over registered results

We were recently confronted with one of our playbook constraint while trying to identify which database software could be uninstalled from our servers. Until now, we ran the playbook to de-install a specific version which were “discovered manually”. However, we(…)

DevOpsDays 2020 at HEG in Geneva

This 2020 new year began with a really exiting DevOps Event in Geneva. Kubernetes, Helm, Cloud Native, CNCF, CI/CD, Ansible, Terraform,… So much topics around DevOps that was in every people mouth. This confirm that DevOps is a good choice(…)

DevOpsDays 2020 Geneva – Day 2

As promised in my previous blog, I will give you a short feedback on the second day here at DevOpsDays 2020 Geneva. In fact, I prepared a very interesting program of sessions to attend and people(…)

DevOpsDays 2020 Geneva – Day 1

It is a pleasure to come back to Geneva after 5 years to attend my first DevOps event. I’m very excited to share with you my first day feedback, but before I would like to thank(…)

A day at DevOps World in Lisbon

On this second day here at DevOps World in Lisbon, I built a very interesting and intensive program of sessions to attend which I will explain to you more in detail below. This was also the opportunity for us (Arnaud(…)

Provisioning a AKS cluster and KubeInvaders with Terraform

Provisioning a K8s infrastructure may be performed in different ways. Terraform has a connector called the Kubernetes provider but it doesn’t allow building and deploying a Kubernetes cluster. The cluster must be up and running before using the provider.

Kubernetes DNS resolution using CoreDNS (force update deployment)

After installing your Kubernetes cluster composed by masters and workers, a few configurations steps need to complete. In fact, the join command is not the last operation to perform, in order to have a fully operational cluster. See how(…)

How to get a big picture of K8s pods and PVs by script

A couple of weeks ago, during an internal dbi services workshop about Docker and K8s, I got an interesting question: is it possible to get a big picture of pods connected to one specific persistent volume(…)

Deploying SQL Server 2019 container on RHEL 8 with podman

Having a fresh install of RHEL8 on my lab environment, I was curious to take a look at new containerization stuff from Red Hat in the context of SQL Server 2019. Good chances are the future version of SQL Server(…)

Kubernetes – How to install a single master cluster with kubeadm?

To bootstrap a minimal K8S cluster for testing purpose, kubeadm is a very interesting tool. The goal of this blog is not to explain to you the K8S architecture or the components but only the deployment part. using kubeadm. The(…)