aks-preview: Change NAT gateway V2 outbound IPs/prefixes to comma-separated

[christine33-creator]

Change --nat-gateway-outbound-ips and --nat-gateway-outbound-ip-prefixes from space-separated (nargs='+') to comma-separated string input, matching the existing load balancer outbound IP parameter pattern (--load-balancer-outbound-ips).

Before: az aks create --nat-gateway-outbound-ips id1 id2
After: az aks create --nat-gateway-outbound-ips id1,id2

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[azure-client-tools-bot-prd]

⚠️Azure CLI Extensions Breaking Change Test

⚠️aks-preview

rule	cmd_name	rule_message	suggest_message
⚠️ 1009 - ParaPropRemove	aks create	cmd aks create update parameter nat_gateway_outbound_ip_ids: removed property nargs=+
⚠️ 1009 - ParaPropRemove	aks create	cmd aks create update parameter nat_gateway_outbound_ip_prefix_ids: removed property nargs=+
⚠️ 1009 - ParaPropRemove	aks update	cmd aks update update parameter nat_gateway_outbound_ip_ids: removed property nargs=+
⚠️ 1009 - ParaPropRemove	aks update	cmd aks update update parameter nat_gateway_outbound_ip_prefix_ids: removed property nargs=+

[azure-client-tools-bot-prd]

Hi @christine33-creator,
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]

Hi @christine33-creator

⚠️ Release Requirements

Module: aks-preview

• ⚠️ Please update VERSION to be 19.0.0b30 in src/aks-preview/setup.py

Notes

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

[Copilot]

Pull request overview

This PR updates the aks-preview extension’s NAT Gateway V2 CLI parameters to accept comma-separated outbound public IP / IP prefix resource IDs (aligning with the existing load balancer outbound IP parameter pattern).

Changes:

• Change --nat-gateway-outbound-ips / --nat-gateway-outbound-ip-prefixes from nargs='+' (space-separated) to a single comma-separated string argument.
• Update NAT gateway profile construction to split comma-separated strings into lists.
• Bump extension version and update changelog; adjust unit tests for the new input type.

Reviewed changes

Copilot reviewed 5 out of 5 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 19.0.0b30 release notes entry for the CLI parameter format change.
src/aks-preview/azext_aks_preview/tests/latest/test_natgateway.py	Updates unit tests to pass string values for outbound IP / prefix IDs.
src/aks-preview/azext_aks_preview/_params.py	Updates CLI argument definitions and help text to indicate comma-separated input.
src/aks-preview/azext_aks_preview/_natgateway.py	Parses comma-separated strings into lists when building NAT gateway profiles.

[FumingZhang]

duplicated with what's written under 19.0.0b30?

[christine33-creator]

fixed, thank you.

[FumingZhang]

The current change is a breaking change. Please update the major version (to 20.0.0b1) and leave a note with [Breaking Change] as prefix.

[christine33-creator]

done, updated the version and left a note with Breaking Change as prefix.