The Gardener team is happy to announce that Gardener now offers support for an additional, often requested, infrastructure/virtualization technology, namely KubeVirt! Gardener can now provide …

Do you want to understand how Gardener creates and updates Kubernetes clusters (Shoots)? Well, it’s complicated, but if you are not afraid of large diagrams and are a visual learner like me, …

Summer holidays aren’t over yet, still, the Gardener community was able to release two new minor versions in the past weeks. Despite being limited in capacity these days, we were able to reach …

Even if we are in the midst of the summer holidays, a new Gardener release came out yesterday: v1.8.0! It’s main themes are the large change of our logging stack to Loki (which was already …

Gardener is showing successful collaboration with its growing community of contributors and adopters. With this come some success stories, including PingCAP using Gardener to implement its managed …

The Gardener project website just received a serious facelift. Here are some of the highlights:

• A completely new landing page, emphasizing both on Gardener’s value proposition and the open …

This tutorial describes how to overprovisioning of cluster nodes for scaling and failover. This is desired when you have work load that need to scale up quickly without waiting for the new cluster …

Feature flags are used to change the behavior of a program at runtime without forcing a restart.

Although they are essential in a native cloud environment, they cannot be implemented without …

Gardener has an excellent ability to automatically scale machines for the cluster. From the point of view of scalability, there is no need for manual intervention.

This tutorial is useful for …

The kubectl command-line tool uses kubeconfig files to find the information it needs to choose a cluster and communicate with the API server of a cluster.

What happens if your kubeconfig file …

You want to experiment with Kubernetes or have set up a customer scenario, but you don’t want to run the cluster 24 / 7 for reasons of cost?

The Gardener gives you the possibility to …

Running as root user

Whenever possible, do not run containers as root users. One could be tempted to say that Kubernetes Pods and Node are well separated. The host and the container share the …

In summer 2018, the Gardener project team asked Kinvolk to execute several penetration tests in its role as third-party contractor. The goal of this ongoing work is to increase the security of all …

Microservices tend to use smaller runtimes but you can use what you have today - and this can be a problem in kubernetes.

Switching your architecture from a monolith to microservices has many …

…they mess up the figure.

For a team event during the Christmas season we decided to completely reinterpret the topic cookies… since the vegetables have gone on a well-deserved …

For encrypted communication between the client to the load balancer, you need to specify a TLS private key and certificate to be used by the ingress controller.

Create a secret in the …

The Gardener project team has analyzed the impact of the Gardener CVE-2018-2475 and the Kubernetes CVE-2018-1002105 on the Gardener Community Setup. Following some recommendations it is possible to …

…or DENY all traffic from other namespaces

You can configure a NetworkPolicy to deny all traffic from other namespaces while allowing all traffic coming from the same namespace the pod is …

Should I use:

• ❌ one namespace per user/developer?
• ❌ one namespace per team?
• ❌ one per service type?
• ❌ one namespace per application type?
• 😄 one namespace per running instance of …

The efs-provisioner allows you to mount EFS storage as PersistentVolumes in kubernetes. It consists of a container that has access to an AWS EFS resource. The container reads a configmap containing …

The storage is definitely the most complex and important part of an application setup, once this part is completed, one of the most problematic parts could be solved.

Mounting a S3 bucket into a pod …

One thing that always bothered me was that I couldn’t get logs of several pods at once with kubectl. A simple tail -f <path-to-logfile> isn’t possible. Certainly you can use kubectl …