KEP-5471 Extended Toleration Operators for Threshold-Based Placement (#5473)

* Implement Extended Toleration Operators KEP

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

* Address feedback by remove Ge/Le and add DRA example

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

* Address PreferNoSchedule feedback

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

* format toc

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

* Address feedback

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

* Remove comments and address feedback

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

* update TaintToleration and compareValue func to return error

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

* addresss feedback

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

* update feedback

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

* update feedback

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

* update mitigations

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

* feedback comments

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

* update checklist

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

* address review feedback

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

* address upgrade/roolback feedback

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

* Address PRR comments

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

* Remove taints from discoverable options

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

* Add fearture gate to integration tests

Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

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Signed-off-by: Heba Elayoty <heelayot@microsoft.com>

Author: helayoty

keps/prod-readiness/sig-scheduling/5471.yaml

@@ -0,0 +1,3 @@
+kep-number: 5471
+alpha:
+  approver: "@soltysh"