Stories Tag: kubernetes-controller

Build Kubernetes Controller to Provision PVC using Kubebuilder | by Sonu Singh | Sep, 2021 | Medium

admin 17 hours ago in

A controller tracks at least one Kubernetes resource type. These objects have a spec field that represents the desired state. The controller(s) for that resource is responsible for making the current state come closer to that desired state. If you want more details about Kubernetes controller check this link:[https://kubernetes.io/docs/concepts/architecture/controller/] In this demo, we are going to create a controller to watch Pods event and if…

Kubernetes Operator Demystified. Kubernetes Operator is not an object… | by Gayatri S Ajith | Aug, 2021 | Medium

admin 2 months ago in

Let’s get one thing off the plate — Kubernetes Operator is not an object. It’s a design pattern. With that, let’s understand what is Kubernetes Operator. From the official documentation, Operators are software extensions to Kubernetes that make use of custom resources to manage applications and their components. Operators follow Kubernetes principles, notably the control loop. So, what does this mean? It means a Kubernetes…

A Rust controller for Kubernetes. To teach myself Kubernetes in general… | by Nicolas Fränkel | Jul, 2021 | Medium

admin 2 months ago in

To teach myself Kubernetes in general and controllers in particular, I previously developed one in Java. This week, I decided to do the same in Rust by following the same steps I did. The guiding principle is creating a Kubernetes controller that watches pods’ lifecycle and injects a sidecar into them. When Kubernetes schedules the pod, the controller schedules the sidecar; when it deletes the…

Kubernetes Controller to Purge Completed Jobs | by Rishi Raj Singh | Jan, 2021 | Medium

admin 8 months ago in

Kubernetes’ controllers concept lets you extend the cluster’s behavior without modifying the code of Kubernetes itself. Operators are clients of the Kubernetes API that act as controllers for a Custom Resource. An Operator is a special kind of Kubernetes controller process that comes with its own custom-resource definition. Some of the things that you can use an operator to automate include: To create our own…

Running Pods, Replication Controllers on Kubernetes and Understanding Services | by kumar rishabh | Jul, 2020 | Medium

admin 1 year ago in

Running Pods, Replication Controllers on Kubernetes and Understanding Services So now, as we are aware of Kubernetes basics, it is the time to move ahead and implement the learning. In case you cannot recall the basics, get a quick go through at “Kubernetes in Testing” The first Pre-requisite is to have the Hyper-v enabled on you s system, Hyper-v is preinstalled in the windows 10…

Understanding Kubernetes — Deployment Controller – Madhav Pandey – Medium

admin 1 year ago in

In the continuation of my previous articles on Kubernetes basic and ReplicaSet, I decided to take a step further towards covering a controller that is higher up in the abstraction level and it is also the most widely used and recommended approach to deploying your containers in a production environment. And it is none other than Deployment controller, easy guess, right! Deployments For those of…

The Kubernetes Cloud Controller Manager – m.json – Medium

admin 1 year ago in

For the last year and a half we’ve been working a lot with OpenStack and Kubernetes at Etraveli Group. We’re our own cloud provider and the end users is the developers and the sourrounding teams in the development organization. One of the key components of running Kubernetes on-top of OpenStack is the Cloud Controller Manager. It’s one of the pieces that glues the two platforms…