AKS worker nodes: support for Ubuntu 22.04 LTS

Question

AKS worker nodes: support for Ubuntu 22.04 LTS

fnerdman opened this issue 2 years ago · 19 comments

The kernel version in 18.04 is just to old, I need a newer kernel version for mainline SGX support and others seem to require 20.04 as well:
#2706
#2829
#1579

Answer 1 · 2022-04-03T10:35:34.000Z

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Answer 2 · 2022-04-04T19:49:38.000Z

#1579 (comment)

we're working on this

#2829

okay that's a funny one to call out, because we missed a CVE by being too far behind ;) point taken on feature support however, I know that's a problem.

Answer 3 · 2022-04-07T00:00:40.000Z

Triage required from @Azure/aks-pm @alexeldeib, @anujmaheshwari1

Answer 4 · 2022-05-31T19:38:27.000Z

@alexeldeib Any update on the ETA? We want to use newer versions of Nvidia Trition which are only supported on Ubuntu 20.04.

Answer 5 · 2022-06-01T00:34:48.000Z

@gandharv-kapoor #2897 (comment)

Answer 6 · 2022-07-29T21:04:13.000Z

edited to clarify we're going to 22.04 directly

maybe I should have used the other one since there's more context -_- sorry for confusion

Answer 7 · 2022-08-11T12:34:41.000Z

Duplicate of #2897 closing.

Answer 8 · 2022-08-12T01:36:40.000Z

@miwithro - #2897 has been closed and locked as a dup of this issue!

Until this feature is delivered, one or the other issue should probably remain open.

Answer 9 · 2022-08-30T14:05:18.000Z

Will this only target k8s 1.25 or will it target older k8s versions? 18.04 mainstream support runs out April 2023 and 1.24 and possibly 1.23 should still be supported then

Answer 10 · 2022-09-08T22:59:31.000Z

^planned for 1.25 only right now but we are aware of that potential timeline issue, cc @justindavies

Answer 11 · 2022-09-16T02:24:43.000Z

1.25 is out, any updates on timing of 22.04 image for AKS?

We need it for Intel SGX driver - linux kernel 5.11+ (vs current 18.04 with kernel 5.4).

Answer 12 · 2022-09-30T04:25:50.000Z

friendly ping :-)

Answer 13 · 2022-09-30T11:47:08.000Z

Found this release announcement here - https://github.com/Azure/AKS/releases

Starting with Kubernetes 1.25, the following changes will be made default:
Ubuntu 22.04 for x86, AMD and ARM64 architectures will be the default host.

Answer 14 · 2022-10-17T13:25:53.000Z

So there isn't going to be a 20.04 image? Only 18.04 and then 22.04?

Answer 15 · 2022-10-17T13:28:22.000Z

It looks that way. It would be nice to have confirmation.

Answer 16 · 2022-10-17T15:31:11.000Z

It looks that way. It would be nice to have confirmation.

#2883 (comment)

Answer 17 · 2023-02-16T21:14:14.000Z

Related, are there any plans to update Linux kernel from current 5.15 to 6.0+? Specifically, it is required for confidential containers with Gramine.

Answer 18 · 2023-06-15T20:49:54.000Z

1.25 with 22.04 is available, thank you. Still the kernel is lagging significantly:
Kernel Version: 5.15.0-1035-azure
Gramine requires 6.0 for dynamic memory allocation.

What is the roadmap for updating kernel?

Answer 19 · 2024-08-20T19:06:34.000Z

Closing this issue as 22.04 is currently supported. @max-lepikhin please create a separate issue for kernel updates. We will likely consider 6.0 or above in Ubuntu 24.04.