fix: testing namespace fix

[menahyouyeah]

Fixes: #nnn
Related: Relevant tracking issues, for context
Merge before/after: Dependent or prerequisite PRs

Description

User facing changes (remove if N/A)

Follow-up Work (remove if N/A)

[gemini-code-assist]

Summary of Changes

Hello @menahyouyeah, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request addresses a namespace handling issue by ensuring that a default namespace is applied during cluster builds if a specific one is not provided. It modifies the Config interface to expose a GetNamespace method and updates the NewBuilder function to utilize this global namespace when a cluster-specific namespace is absent, thereby improving robustness and consistency in build configurations.

Highlights

• Interface Update: The Config interface in pkg/skaffold/build/cluster/types.go has been updated to include a new method, GetNamespace(), allowing configurations to provide a namespace.
• Namespace Prioritization Logic: The NewBuilder function now includes logic to prioritize the global namespace. If a cluster-specific namespace (buildCfg.Namespace) is empty, it will fall back to using the namespace provided by bCtx.GetNamespace().

Ignored Files

• Ignored by pattern: .github/workflows/** (1)
  • .github/workflows/integration-linux.yml

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[gemini-code-assist]

Code Review

This pull request adds a fallback to the global namespace for cluster builds when a specific namespace isn't configured. The change is functionally correct, but introduces some redundancy in the Config interface by adding a GetNamespace method when GetKubeNamespace already exists via an embedded interface. My review includes suggestions to consolidate this and improve API clarity.

[gemini-code-assist]

The Config interface embeds kubectl.Config, which already provides a GetKubeNamespace() method. Adding a new GetNamespace() method seems redundant if they both serve the purpose of retrieving the global namespace. Using two different methods for what should be the same value can lead to inconsistencies, for example if kubectl commands use a different namespace than what's passed to the build environment. To avoid API duplication and potential confusion, consider removing this new method and using the existing GetKubeNamespace() from the embedded kubectl.Config interface throughout.

[gemini-code-assist]

To align with the suggestion of removing the new GetNamespace() method from the Config interface, you should use the existing GetKubeNamespace() method here. This ensures consistency and avoids API duplication.

Suggested change

	if buildCfg.Namespace == "" {
	buildCfg.Namespace = bCtx.GetNamespace()
	}
	if buildCfg.Namespace == "" {
	buildCfg.Namespace = bCtx.GetKubeNamespace()
	}