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Versioned Kubernetes RPMS on Fedora
 
Bradley G Smith,
Bradley G Smith,
Overview
Vue d'ensemble
Versioned Kubernetes rpms were introduced in Fedora 41 and will be the format used in subsequent releases. Past practice had one version of Kubernetes available for each Fedora release. The differing release cadences for Fedora (a new release every 6 months) and Kubernetes (a new version every quarter) resulted in either the version of Kubernetes available falling well behind or skipping Kubernetes releases. Neither option provided a good user experience for Fedora users.
 
Versioned rpms solve these problems by providing all supported Kubernetes versions on each Fedora release (subject to a Golang constraint - see below). Fedora 41 (currently rawhide) has rpms for Kubernetes 1.31, Kubernetes 1.30, Kubernetes 1.29, and Kubernetes 1.28. These rpms will be named, respectively, kubernetes1.31, kubernetes1.30, kubernetes1.29, and kubernetes1.28. Since these rpms have different names, the Fedora package manager, rpm, identifies them as different applications, not as different versions of the same application. Because of this difference, versioned rpms require changes to the normal package update process is be documented below.
 
What Changed?
 
The versioned rpms contain several changes and updates that differ from the non-version rpms. For the most part these changes should not affect usage or rpm updates but a few are worth attention.
 
kubelet configuration
 
```kubelet``` configuration now uses the ```kubelet``` configuration file rather than flags passed as command line parameters in the systemd unit file.
 
kubelet systemd files
 
```kubelet``` systemd unit files are now largely consistent with corresponding unit files used by the Kubernetes team in their rpms. In particular, kubelet now defaults to runtime configuration using the standard ```kubelet``` configuration file. Non-versioned rpms used command line parameters in systemd files to configure```kubelet```.
 
kubelet sysuser
 
non-versioned rpms created a ```kube``` sysuser for ```kubelet```. This sysuser was used for file and group ownership of some but not all files and directories used by ```kubelet```. This sysuser was not present in rpms from the Kubernetes team and, given its partial implementation in Fedora, removed from the versioned rpms.
 
Go language constraint
 
Each Kubernetes version (at the _minor_ level, _e.g._ Kubernetes v1.31) is built with a specific version of the go language. Each Fedora release is paired with a specific go version. Go 1.22 is available on Fedora 40 and go 1.23 is available on Fedora 41.
 
A new Kubernetes version may be built with a version of Go not available on older Fedora releases thereby blocking the packaging of that Kubernetes version for that Fedora release.
 
Kubernetes rpms in Fedora
 

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./pages/using-kubernetes-versioned.adoc:3
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po/fr/master/pages/using-kubernetes-versioned.po, string 2