Add support for Canonical MaaS Provider

[vasartori]

Change description

Add support for Canonica MaaS

Related issues

• Fixes Canonical MaaS as an Image Provider #1688

Additional context

Initially, this version supports only Ubuntu 22.04 and Ubuntu 24.04, both in the UEFI version.
After some time, we can start adding other operating systems, such as Rocky Linux 9.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
Once this PR has been reviewed and has the lgtm label, please assign mboersma for approval. For more information see the Code Review Process.

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Needs approval from an approver in each of these files:

• OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[k8s-ci-robot]

Hi @vasartori. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[vasartori]

@AverageMarcus Could you please take a look at this PR and review it? I probably forgot somethig, and you have more experience than me with image-builder.

[mboersma]

/ok-to-test

[vasartori]

/retest

[vasartori]

@mboersma @AverageMarcus @drew-viles
As we discussed in the Office Hours meeting, if I understand correctly, to approve this PR we need:

• Owners file: Do we need to create a new one? I'm not familiar with it... We have added the owners file, needs approve.
• Readme file for the MAAS provider (or is it a generic guide for adding new providers?):
  • How to test it
  • The steps to add a new provider
  • A note about the limited E2E test coverage
    Where is the best place to put this README? Does it make sense to include it in this PR?

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: vasartori / name: Victor Sartori (a6c4596)
• ✅ login: silviourbano / name: Silvio Rubio (bb295ba, d895b36)

[mboersma]

@vasartori we can't merge this until the OWNERS file is valid, which requires its members to join the Kubernetes org on GitHub. It's not a high hurdle, but you need to be sponsored and follow this process:
https://github.com/kubernetes/community/blob/master/community-membership.md

As for the README.md, I think it should go at images/capi/packer/maas/README.md where you put it, and that content looks good to me.

[vasartori]

@mboersma and @drew-viles, after a long time, I’ve started the request to join the Kubernetes SIG as a member.
Could you please approve the issue?
kubernetes/org#5526