Root Disk Image lookup should use a filter on image name rather than family when Version is specified but Spec.Image and Spec.ImageFamily are not

[detiber]

/kind bug

What steps did you take and what happened:
When only GCPMachine.Spec.Version is defined (without also defining Spec.Image or Spec.ImageFamily), the root disk lookup defaults to using image family, which groups all images by kubernetes major and minor versions (ignoring patch version), instead we should fall back to using filtering on the name to also include the patch version as well as sorting by creation timestamp to choose the newest image that matches the kubernetes major/minor/patch version combination.

[fejta-bot]

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[detiber]

/lifecycle frozen

[detiber]

/help

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[prksu]

/assign

[aniruddha2000]

@prksu hi if you are not working on the project then I would be happy to take it forward :)

Few confirmations @detiber -

• Does the GCPMachine.Spec.Version is meant by this?
• And Image & ImageFamily means this?

[aniruddha2000]

/assign