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[k8s, infra] update pause image to 3.9
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Description

we're currently using 3.1, which is a bit outdated

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sstefanova@cloudcumin1001:~$ sudo cookbook wmcs.toolforge.k8s.image.copy_to_registry --origin-image registry.k8s.io/pause:3.6 --dest-image-name pause --dest-image-version 3.6

https://docker-registry.toolforge.org/#!/taglist/pause

dcaro triaged this task as Low priority.Oct 8 2024, 12:57 PM
Raymond_Ndibe renamed this task from [k8s, infra] update pause image to 3.6 to [k8s, infra] update pause image to 3.9.Jan 23 2025, 7:05 PM
Raymond_Ndibe claimed this task.

Change #1113194 had a related patch set uploaded (by Raymond Ndibe; author: Raymond Ndibe):

[operations/puppet@production] [wmcs::kubeadm::core] remove kubeadm-flags.env

https://gerrit.wikimedia.org/r/1113194

Raymond_Ndibe changed the task status from Open to In Progress.Jan 23 2025, 7:08 PM

Change #1113194 merged by FNegri:

[operations/puppet@production] [wmcs::kubeadm::core] remove kubeadm-flags.env

https://gerrit.wikimedia.org/r/1113194

fnegri subscribed.

Verified that tools-k8s-worker-nfs-55 (which was rebooted recently) is now using pause:3.9:

fnegri@tools-k8s-worker-nfs-55:~$ sudo ctr -n k8s.io container list

[...]

e875ae1be4abee378788270e964173297dece0ec8b63896f19cb9bc0e38bf1f1    docker-registry.tools.wmflabs.org/pause:3.9                                        io.containerd.runc.v2

The other workers will pick up this change the next time they are rebooted or during the next upgrade (T362868: [infra,k8s] Upgrade Toolforge Kubernetes to version 1.29).