This is a shameless plug as I work on this product. This is a quick startup guide for getting 3scale up and running quickly with the 3scale-operator. This is not a production configuration and doesn’t cover all configuration options. Install with the 3scale-operator First we create a project oc new-project 3scale-test In the Openshift…

On Openshift v4 cluster I am looking to upgrade Postgresql-v10 to Postgersql-V13. For the sake of this blog I will spin up a Posgresql-v10 first via the Openshift templates

Created a blog some time ago setting up keycloak express and OIDC client and it happily worked fine with keycloak-17.0.0 and still does. On keycloak-19.0.2 same code completely falls over. (Note to self always set prerequisites on dependencies in blogs). First issue I needed to enable Standard flow for the…

Operator scope is what namespaces you operator will watch for Custom Resources(CR’s) to be acted upon. Namespaced scoped (watch a single namespace) Cluster scoped (watch all namespaces) The operator-sdk documentation talks about setting the watchNamespace to an empty string in the operator-sdk main.go may look something like the following .

Creating the Electron App Wanted to play around with creating a desktop app with Electron on Fedora. Followed the quick start guide for Electron changing the win.loadFile to win.loadURL to load an existing web app. Code is here here is my main.js Testing the app by running npm start and the app opens

Prerequisites Kubernetes cluster (as I am going to be adding some Openshift native resources I will be using CRC which is a local dev kubernetes cluster you can install on your pc) Cluster admin access to that cluster Using the Operator-sdk to bootstrap your project First what is an Kubernetes operator? Operators allow you to extend the Kubernetes…

Keycloak is deprecating their client adapters (keycloak-connect) for Node and recommending openid-client as a replacement. Setup Keycloak First I download keycloak extract it and you can run it with the following command. bin/kc.sh start-dev You can then login http://localhost:8080, first time you do keycloak asks you to set an admin user and…

From time to time you may wish to run two or more Kubernetes Operators locally for debugging purposes. If you try and run a second operator locally the second operator will shutdown you will hit an error like So the metric port is already used.The Operator SDK generates ports…

In this blog get-prometheus-metrics-from-a-express-js-app, I exposed the metrics from an Express.js app to Prometheus. Now I am going to use these metrics in Grafana. Install Grafana Create a new project oc new-project grafana We can use the OperatorHub in Red Hat Openshift to install the Grafana-operator. …