Handle node readiness for DRA after a scale-up

[abdelrahman882]

What type of PR is this?

/kind feature

What this PR does / why we need it:

Adds a custom resource processor that marks node with unready DRA reasources as unready node so that CA doesn't create another unnecessary scale-ups for the pods that wouldn't get scheduled on nodes with unready resources.

Which issue(s) this PR fixes:

Fixes #7780

Does this PR introduce a user-facing change?

NONE

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

[k8s-ci-robot]

Hi @abdelrahman882. Thanks for your PR.

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[towca]

Thanks for addressing all the comments @abdelrahman882! LGTM from my end, holding for @jackfrancis to LGTM as well.

/hold
/ok-to-test
/approve
/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: abdelrahman882, towca

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• cluster-autoscaler/OWNERS [towca]

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[jackfrancis]

/lgtm

sorry about the rebase need @abdelrahman882, but it'll have the side-effect of addressing the UT failure :)

[abdelrahman882]

@towca @jackfrancis Rebased and ready for merging

[towca]

/lgtm

[jackfrancis]

/test pull-cluster-autoscaler-e2e-azure-master

[towca]

/unhold