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fix: correct removal of preferred topology spread constraint #2547

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merged 1 commit into from
Sep 23, 2022

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tzneal
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@tzneal tzneal commented Sep 23, 2022

Fixes #2545

Description

We would sometimes remove the incorrect topology spread constraint, resulting in removing a non-preferred constraint which lead to an invalid scheduling decision.

How was this change tested?

  • Unit testing & deployed to EKS.

Does this change impact docs?

  • Yes, PR includes docs updates
  • Yes, issue opened: #
  • No

Release Note


By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

We would sometimes remove the incorrect topology spread constraint, 
resulting in removing a non-preferred constraint which lead to an invalid
scheduling decision.

Fixes aws#2545
@tzneal tzneal requested a review from a team as a code owner September 23, 2022 18:25
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@tzneal tzneal requested a review from dewjam September 23, 2022 18:25
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LGTM

@tzneal tzneal merged commit c43ce8c into aws:main Sep 23, 2022
@tzneal tzneal deleted the fix-toplogy-spread-preference branch September 23, 2022 18:50
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Successfully merging this pull request may close these issues.

Karpenter is not respecting "Hard" Availability Zone Topology Spread Constraints
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