Infrastructure at your Service

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Jean-Philippe Clapot

Jean-Philippe Clapot

Kubernetes : two different OCI runtimes

By | DevOps, Kubernetes | No Comments

Quick recap : in the previous episode, we have seen how to move from a Kubernetes cluster powered by Docker into a future-proof Kubernetes cluster, using containerd. Now let’s move on and fully enjoy the power of having this CRI intermediate layer sitting below the kubelet. containerd and OCI runtimes containerd is a high level container runtime. It is CRI compliant, CRI being the API from Kubernetes for container runtimes. Here below a good picture of…

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Jean-Philippe Clapot

Kubernetes : from Docker to containerd

By | DevOps, Kubernetes | No Comments

Kubernetes is very popular and well-known open-source orchestration platform for containers. Very dynamic ecosystem, the release cycle is also very fast. Six months passed since the K8s team announced the dockershim will be deprecated and the 1.22 release deadline is approaching. As they informed in their quite detailed post in early Dec. 2020, Docker support will be removed in 1.22 : https://kubernetes.io/blog/2020/12/02/dont-panic-kubernetes-and-docker/ We are here today in order to see how we can migrate, with minimal…

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