[Containerapp] az containerapp sessionpool create: Add Shell container type

[ShichaoQiu]

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[azure-client-tools-bot-prd]

⚠️Azure CLI Extensions Breaking Change Test

⚠️containerapp

rule	cmd_name	rule_message	suggest_message
⚠️ 1010 - ParaPropUpdate	containerapp sessionpool create	cmd containerapp sessionpool create update parameter container_type: updated property choices from ['CustomContainer', 'NodeLTS', 'PythonLTS'] to ['CustomContainer', 'NodeLTS', 'PythonLTS', 'Shell']

[azure-client-tools-bot-prd]

Hi @ShichaoQiu,
Please write the description of changes which can be perceived by customers into HISTORY.rst.
If you want to release a new extension version, please update the version in setup.py as well.

[yonzhan]

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

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[github-actions]

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[github-actions]

Hi @ShichaoQiu

Release Suggestions

Module: containerapp

• Update VERSION to 1.2.0b5 in src/containerapp/setup.py

Notes

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

[Copilot]

Pull Request Overview

This PR adds support for a new "Shell" container type to the containerapp sessionpool create command. This enhancement extends the existing functionality that previously supported only CustomContainer, PythonLTS, and NodeLTS container types.

• Added "Shell" as a new container type option for session pools
• Updated test coverage to include Shell container type validation
• Added help documentation with usage example

Reviewed Changes

Copilot reviewed 4 out of 6 changed files in this pull request and generated no comments.

File	Description
src/containerapp/azext_containerapp/_params.py	Added "Shell" to the enum of available container types for sessionpool create
src/containerapp/azext_containerapp/_help.py	Added example showing how to create a Shell container type session pool
src/containerapp/azext_containerapp/tests/latest/test_containerapp_sessionpool.py	Renamed test method to indicate e2e testing, added test for Shell container type creation, updated expected pool count assertions, and added cleanup for Shell pool
src/containerapp/HISTORY.rst	Added release note documenting the new Shell container type feature

[yonzhan]

Please fix CI issues