[HORIZONDB] az horizondb update: Add new command to update Horizon DB resource

[nasc17]

---

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

Related command

az horizondb 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

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• 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]

⚠️Azure CLI Extensions Breaking Change Test

⚠️horizondb

rule	cmd_name	rule_message	suggest_message
⚠️ 1001 - CmdAdd	horizondb update	cmd horizondb update added

[azure-client-tools-bot-prd]

Hi nasc17,
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.

[Copilot]

Pull request overview

Note

Copilot was unable to run its full agentic suite in this review.

Adds support for updating an existing HorizonDB cluster via a new az horizondb update command, including CLI parameters, help text, and a basic scenario test.

Changes:

• Register horizondb update command and wire it to a new custom implementation.
• Add CLI arguments and help content for update (tags, admin password, v-cores).
• Extend the existing command scenario test to cover updating vCores.

Reviewed changes

Copilot reviewed 5 out of 6 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
src/horizondb/azext_horizondb/tests/latest/test_horizondb_commands.py	Adds a scenario assertion for the new horizondb update command
src/horizondb/azext_horizondb/commands/custom_commands.py	Implements horizondb_cluster_update and adjusts error type usage
src/horizondb/azext_horizondb/cluster_commands.py	Registers the new update custom command
src/horizondb/azext_horizondb/_params.py	Defines new аргuments for horizondb update
src/horizondb/azext_horizondb/_help.py	Adds help entry and an example for horizondb update

[Yong Zhang (yonzhan)]

horizondb

[nasc17]

Yu Chen (@jsntcy) Yong Zhang (@yonzhan) can we please this PR merged :-)

[Yu Chen (jsntcy)]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 2 pipeline(s).

[Azure CLI Bot (azclibot)]

[Release] Update index.json for extension [ horizondb-1.0.0b2 ] : https://dev.azure.com/msazure/One/_build/results?buildId=167885795&view=results