Migrate the AUX K8s cluster to containerd
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	elukey
	Mon, Oct 28, 11:18 AM

Description

https://wikitech.wikimedia.org/wiki/Kubernetes/Administration/containerd_migration

High level steps:

Since we are on Bullseye, we can do the Puppet part to allow reimages to Bookworm to deploy containerd. This should only be a no-op Puppet patch, preserving Docker on Bullseye.
Reimage all the nodes to Bookworm to deploy containerd.

Details

	Subject	Repo	Branch	Lines +/-
	role::aux_k8s: clean up after containerd migration	operations/puppet	production	+2 -18
	role::aux_k8s::{master,worker}: add support for containerd	operations/puppet	production	+4 -6

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Related Objects
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Status	Assigned	Task
Open	None	T341984 Update Kubernetes clusters to >1.25
Open	JMeybohm	T269684 [EPIC] Docker deprecation as a container runtime enginer for kubernetes.
Open	JMeybohm	T362408 Migration to containerd and away from docker
Resolved	elukey	T378345 Migrate the AUX K8s cluster to containerd

Event Timeline

elukey created this task.Mon, Oct 28, 11:18 AM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptMon, Oct 28, 11:18 AM

Change #1083776 had a related patch set uploaded (by Elukey; author: Elukey):

[operations/puppet@production] role::aux_k8s::{master,worker}: add support for containerd

https://gerrit.wikimedia.org/r/1083776

gerritbot added a project: Patch-For-Review.Mon, Oct 28, 11:23 AM

elukey triaged this task as Medium priority.Mon, Oct 28, 2:17 PM

Change #1083776 merged by Elukey:

[operations/puppet@production] role::aux_k8s::{master,worker}: add support for containerd

https://gerrit.wikimedia.org/r/1083776

Maintenance_bot removed a project: Patch-For-Review.Tue, Oct 29, 2:31 PM

aux-k8s-worker1003 migrated to containerd on Bookworm, all good so far. I tested nerdctl and it seemed working, we'll keep the cluster monitored for a few days and then I'll migrate all the other VMs.

Change #1085391 had a related patch set uploaded (by Elukey; author: Elukey):

[operations/puppet@production] role::aux_k8s: clean up after containerd migration

https://gerrit.wikimedia.org/r/1085391

gerritbot added a project: Patch-For-Review.Thu, Oct 31, 2:04 PM

Change #1085391 merged by Elukey:

[operations/puppet@production] role::aux_k8s: clean up after containerd migration

https://gerrit.wikimedia.org/r/1085391

elukey closed this task as Resolved.Wed, Nov 6, 8:18 AM

elukey claimed this task.

Maintenance_bot removed a project: Patch-For-Review.Wed, Nov 6, 8:30 AM