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Refactor scheduler to enable switch on equivalence cache
Part 2 of #30844
Refactoring to enable easier switch on of equivalence cache.
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Fix typos and englishify plugin/pkg
**What this PR does / why we need it**: Just typos
**Which issue this PR fixes**: `None`
**Special notes for your reviewer**: Just typos
**Release note**: `NONE`
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[Part 1] Implementation of equivalence pod
Part 1 of #30844
This PR:
- Refactored `predicate.go`, so that `GetResourceRequest` can be used in other places to `GetEquivalencePod`.
- Implement a `equivalence_cache.go` to deal with all information we need to calculate an equivalent pod.
- Define and register a `RegisterGetEquivalencePodFunction `.
Work in next PR:
- The update of `equivalence_cache.go`
- Unit test
- Integration/e2e test
I think we can begin from the `equivalence_cache.go`? Thanks. cc @wojtek-t @davidopp
If I missed any other necessary part, please point it out.
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Add kubelet awareness to taint tolerant match caculator.
Add kubelet awareness to taint tolerant match caculator.
Ref: #25320
This is required by `TaintEffectNoScheduleNoAdmit` & `TaintEffectNoScheduleNoAdmitNoExecute `, so that node will know if it should expect the taint&tolerant
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Turn down hootloop logs in priorities.
Excessive spam is output once we near cluster capacity, sometimes a panic is triggered but that data is clipped in the logs see #33935 for more details.
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simplify RC and SVC listers
Make the RC and SVC listers use the common list functions that more closely match client APIs, are consistent with other listers, and avoid unnecessary copies.
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Fix minor nits in test cases
Found a group of nits when doing #30844, fixed them in a this PR since 30844 requires a long time to review.
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SchedulerExtender: add failedPredicateMap in Filter() returns
Fix#25797. modify extender.Filter for adding extenders information to “failedPredicateMap” in findNodesThatFit.
When all the filtered nodes that passed "predicateFuncs" don’t pass the extenders filter, the failedPredicateMap hasn’t the extenders information, should add it, I think. So when the length of the “filteredNodes.Items” is 0, we can know the integral information. (The length of the “filteredNodes.Items” is 0, may be because the extenders filter failed.)
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Prepare for using "ControllerRef" in scheduler
This is part of a PR that I already have to avoid a bunch of rebases in the future (controller ref probably won't happen in 1.4 release).
@davidopp
