One can extend the power of Kubernetes using a so called Operator. A Operator is a piece of software, that runs constantly in a loop and checks for resources to manage. A Operator normally is written in GoLang, but the Operator Framework of Kubernetes enables you also to create one using Ansible roles or playbooks.
Read More »How hard can it be? – Creating your own Kubernetes Operator with Ansible – Part 1
ArgoCD is a GitOps tool for Kubernetes. What this means and how it works to get Argo deployed on your Kubernetes cluster, that the topic of this article.
Read More »Let loose the squid – Deploy ArgoCD the declarative way
Oracle want’s to participate in the open source movement lately, making itself known as “an Open Source company”. Part of this is the Oracle Database Operator for Kubernetes. It’s an early version (0.1.0) that I’ve tested out, so it offers only a limited set of features as of now. Let’s move it to it’s paces, shall we?
Read More »Bastard Operator from Hell? – Giving the Kubernetes Oracle Database Operator a try
In an earlier blogpost, I wrote about doing Postgres backups using WAL-G to a S3 storage. This time we have a look to either clone or “inplace” restore a postgres instance from these backups. All of this using the Zalando Postgres Operator. If you haven’t done so, please read the backup post before proceeding reading this one.
Read More »Restore and Clone from S3 – Configure Zalando Postgres Operator Restore with WAL-G
Some days ago I was pushed to the kind project. A leightweight possibility to build a Kubernetes cluster on top of Docker for easy and fast testing Kubernetes deployments. I’ve written an Ansible role to install kind and create / delete clusters as you need.
Read More »Lightweight Kubernetes cluster using kind and Ansible
Doing basebackups of Postgres databases enables you to do a Point-in-time recovery (PITR) of your database. Doing backups for your databases that have been deployed using the Zalando Postgres Operator, is a different beast. Here I show you how it’s done with a MinIO (self)hosted S3 compatible Object Storage.
Read More »Backup to S3 – Configure Zalando Postgres Operator Backup with WAL-G
The Zalando Postgres Operator helps you to deploy and manage your PostgreSQL databases easy and quick. In this guide, we will deploy a minimal setup of the Zalando Operator and a Demo Postgres cluster to work with.
Read More »Keep the Elephants in line – Deploy Zalando Postgres Operator on your Kubernetes cluster
Another short instructionset on how to deploy Portainer on your Kubernetes Cluster. The special sauce is, that we don’t use the NodePort service type in favour for an Ingress ruleset. A scenario, which is not covered in the official documentation without needing Helm.
Read More »SHORTY – How to deploy Portainer on Kubernetes
Quick instruction on how to deploy Uptime-Kuma on your Kubernetes cluster.
Read More »SHORTY – How to deploy Uptime-Kuma on Kubernetes
In einem älteren Artikel habe ich gezeigt, wie man das beliebte Heimdall Dashboard mit wenig Aufwand auf Docker betreibt. Aus reinem Interesse wollte ich Heimdall auf meinen Kubernetes Cluster umziehen und anschließend mit einem offiziellen Let’s Encrypt Zertifikat signieren.
Read More »Öffne nochmal den Bifröst – Heimdall Dashboard in Kubernetes betreiben