[Feature] REP 54: Implement the HeadReady condition

[rueian]

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• I had searched in the issues and found no similar feature requirement.

Description

This is one of the tracking items of the REP: RayCluster status improvement, the step 5 in the design doc: https://docs.google.com/document/d/1bRL0cZa87eCX6SI7gqthN68CgmHaB6l3-vJuIse-BrY

We should implement the new HeadReady condition by referring to the current utils.IsRunningAndReady

kuberay/ray-operator/controllers/ray/rayservice_controller.go

Lines 1211 to 1217 in a43217b

	func (r *RayServiceReconciler) isHeadPodRunningAndReady(ctx context.Context, instance *rayv1.RayCluster) (bool, error) {
	headPod, err := r.getHeadPod(ctx, instance)
	if err != nil {
	return false, err
	}
	return utils.IsRunningAndReady(headPod), nil
	}

Once the condition is implemented, we should base on it to refactor the isHeadPodRunningAndReady function.

Use case

No response

Related issues

ray-project/enhancements#54

Are you willing to submit a PR?

• Yes I am willing to submit a PR!

[rueian]

Hi @cchen777, would you like to take on this?

[cchen777]

yes @rueian i'd like to take on this !

[kevin85421]

Closes #2261