[aks-preview] az aks create, nodepool add/update: Add option AzureContainerLinux to --os-sku parameter

[aadhar-agarwal]

Add option AzureContainerLinux to --os-sku option for az aks create, az aks nodepool add, and az aks nodepool update.

---

This checklist is used to make sure that common guidelines for a pull request are followed.

Related command

az aks create
az aks nodepool add
az aks nodepool update

General Guidelines

• Have you run azdev style <YOUR_EXT> locally? (pip install azdev required)
• Have you run python scripts/ci/test_index.py -q locally? (pip install wheel==0.30.0 required)
• My extension version conforms to the Extension version schema

For new extensions:

• My extension description/summary conforms to the Extension Summary Guidelines.

About Extension Publish

There is a pipeline to automatically build, upload and publish extension wheels.
Once your pull request is merged into main branch, a new pull request will be created to update src/index.json automatically.
You only need to update the version information in file setup.py and historical information in file HISTORY.rst in your PR but do not modify src/index.json.

[azure-client-tools-bot-prd]

Validation for Breaking Change Starting...

Thanks for your contribution!

[github-actions]

The git hooks are available for azure-cli and azure-cli-extensions repos. They could help you run required checks before creating the PR.

Please sync the latest code with latest dev branch (for azure-cli) or main branch (for azure-cli-extensions).
After that please run the following commands to enable git hooks:

pip install azdev --upgrade
azdev setup -c <your azure-cli repo path> -r <your azure-cli-extensions repo path>

[yonzhan]

Thank you for your contribution! We will review the pull request and get back to you soon.

[github-actions]

CodeGen Tools Feedback Collection

Thank you for using our CodeGen tool. We value your feedback, and we would like to know how we can improve our product. Please take a few minutes to fill our codegen survey

[github-actions]

• For more info about extension versioning, please refer to Extension version schema

[Copilot]

Pull request overview

This PR updates the aks-preview extension to recognize AzureContainerLinux as a valid value for the --os-sku parameter, and bumps the extension version to publish the change.

Changes:

• Add AzureContainerLinux OS SKU constant and include it in the allowed --os-sku enums.
• Update command help text to document the new OS SKU option.
• Add a scenario test validating az aks nodepool add --os-sku AzureContainerLinux.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
src/aks-preview/setup.py	Bumps extension version to 19.0.0b30.
src/aks-preview/HISTORY.rst	Adds changelog entry for the new --os-sku option.
src/aks-preview/azext_aks_preview/tests/latest/test_aks_commands.py	Adds scenario test for nodepool add with AzureContainerLinux.
src/aks-preview/azext_aks_preview/_params.py	Extends --os-sku allowed values to include AzureContainerLinux (create/add/update enums).
src/aks-preview/azext_aks_preview/_help.py	Updates --os-sku help text to list AzureContainerLinux.
src/aks-preview/azext_aks_preview/_consts.py	Introduces CONST_OS_SKU_AZURECONTAINERLINUX.