What is going on with Kubernetes Microdistros?

This page summarizes the projects mentioned and recommended in the original post on reddit.com/r/kubernetes
#k8s-sig-vmware #Rancher #k8s-sig-cluster-lifecycle #rancheros #rancher-server

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  • rancher-projects

    Configs for Rancher, RancherOS, and files necessary for setting up a Rancher 2.x in a small business environment.

    I knew little about code and network infrastructure at the time, but after several months I could get a cluster running reliably and quickly, with my apps secured and accessible outside of the office (though not the management layer, because that always seemed like a terrible idea). The key to pulling this off was to utilize distros that were quick to install and only ran what was needed for Kubernetes. At first, this was RancherOS with RKE for getting the cluster running. After that, I started using K3OS, which streamlined things even more. I made an entire repo about how I pulled it off, if anyone is interested.

  • k3os

    Purpose-built OS for Kubernetes, fully managed by Kubernetes.

    I really liked K3OS, but I feel like Rancher is no longer supporting it. The last commit on the k3os repo is from April, and before those three commits, November of last year. When Rancher decided to move their HCI offering, Harvester, over to RancherOS V2 being based on cOS toolkit/OpenSuse, I don't have high hopes that K3OS will be maintained.

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  • k3s-selinux

    SELinux policy for k3s

    You'll probably need to layer this rpm: https://github.com/k3s-io/k3s-selinux/releases

  • cluster-api-provider-vsphere

  • kine

    Run Kubernetes on MySQL, Postgres, sqlite, dqlite, not etcd.

    I don't like some of the decisions that k3s makes which is why I stay away from it, but it's a great project. I'm not using kine yet, but I fantasize about using it exclusively every time I deal with etcd-induced slowness/random CPU spikes on my group of controller nodes. k0s supports kine too of course but I just haven't switched it on yet.

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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