[Bug] Bubble ImagePullErr and ImagePullBackoff to the Ray CRD

[EngHabu]

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• I searched the issues and found no similar issues.

KubeRay Component

ray-operator

What happened + What you expected to happen

I deployed a rayjob with a bad image reference (image does not exist)
The RayJob stayed in "Initializing" phase and didn't get updated/bubble up the error from starting the Driver Pod.

Reproduction script

TBD

Anything else

No response

Are you willing to submit a PR?

• Yes I am willing to submit a PR!

[andrewsykim]

We are working on improving RayCluster observability with new conditions APIs which should hopefully surface these types of failures.

@rueian do you know if the existing implementation would surface ImagePullErr and ImagePullBackoff errors?

See https://docs.google.com/document/d/1bRL0cZa87eCX6SI7gqthN68CgmHaB6l3-vJuIse-BrY/edit?usp=sharing for more details.