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Predicate cacheing and cleanup
Fix to #31795
First pass @ cleanup and caching of the CheckServiceAffinity function.
The cleanup IMO is necessary because the logic around the pod listing and the use of the "implicit selector" (which is reverse engineered to enable the homogenous pod groups).
Should still pass the E2Es.
@timothysc @wojtek-t
Comments addressed, Make emptyMetadataProducer a func to avoid casting,
FakeSvcLister: remove error return for len(svc)=0. New test for
predicatePrecomp to make method semantics explictly enforced when meta
is missing. Precompute wrapper.
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PVC informer lister supports listing
This will be used in follow-on PRs for quota evaluation backed by informers for pvcs.
/cc @deads2k @eparis @kubernetes/sig-storage
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Adding default StorageClass annotation printout for resource_printer and describer and some refactoring
adding ISDEFAULT for _kubectl get storageclass_ output
```
[root@screeley-sc1 gce]# kubectl get storageclass
NAME TYPE ISDEFAULT
another-class kubernetes.io/gce-pd NO
generic1-slow kubernetes.io/gce-pd YES
generic2-fast kubernetes.io/gce-pd YES
```
```release-note
Add ISDEFAULT to kubectl get storageClass output
```
@kubernetes/sig-storage
Most normal codec use should perform defaulting. DirectCodecs should not
perform defaulting. Update the defaulting_test to fuzz the list of known
defaulters. Use the new versioning.NewDefaultingCodec() method.
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Add PSP support for seccomp profiles
Seccomp support for PSP. There are still a couple of TODOs that need to be fixed but this is passing tests.
One thing of note, since seccomp is all being stored in annotations right now it breaks some of the assumptions we've stated for the provider in terms of mutating the passed in pod. I've put big warning comments around the pieces that do that to make sure it's clear and covered the rollback in admission if the policy fails to validate.
@sttts @pmorie @erictune @smarterclayton @liggitt
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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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add ownerref permission checks
Adds an admission plugin that ensures that anyone adding an `ownerReference` to a resource has delete rights on the resource they're setting up a delete for.
@caesarxuchao example admission plugin that tests for ownerReference diffs and uses an authorizer to drive the decision.
@liggitt @ncdc we've talked about this before
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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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Add support for admission controller based on namespace node selectors.
This work is to upstream openshift's project node selectors based admission controller.
Fixes https://github.com/kubernetes/kubernetes/issues/17151
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Run rbac authorizer from cache
RBAC authorization can be run very effectively out of a cache. The cache is a normal reflector backed cache (shared informer).
I've split this into three parts:
1. slim down the authorizer interfaces
1. boilerplate for adding rbac shared informers and associated listers which conform to the new interfaces
1. wiring
@liggitt @ericchiang @kubernetes/sig-auth
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Remove scheduler flags that were marked as deprecated 2+ releases ago.
Starting to spin back into scheduler testing and performance evaluation, and I noticed some leftover cleanup work from 2+ releases ago.
**Release note**: Removed unused bind-pods-qps, and bind-pods-burst flags from the scheduler.
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Minor cleanup to scheduler.
Part 1 of pr for scheduler modularization specifically supporting CheckServiceAffinity improvements #33763.
These are some innoccous changes which help separate the predicate injection machinery from the cleanup parts of CheckServiceAffinity
@timothysc @wojtek-t
- changes to metadata.go are for the follow on pr
- changes to prio/pred stuff is all passing unit tests
hoping to grease this through and then the interesting part is in the follow on pr.
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WantsAuthorizer admission plugin support
The next step of PSP admission is to be able to limit the PSPs used based on user information. To do this the admission plugin would need to make authz checks for the `user.Info` in the request. This code allows a plugin to request the injection of an authorizer to allow it to make the authz checks.
Note: this could be done with a SAR, however since admission is running in the api server using the SAR would incur an extra hop vs using the authorizer directly.
@deads2k @derekwaynecarr
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Add PVC storage to LimitRange
This PR adds the ability to add a LimitRange to a namespace that enforces min/max on `pvc.Spec.Resources.Requests["storage"]`.
@derekwaynecarr @abhgupta @kubernetes/sig-storage
Examples forthcoming.
```release-note
pvc.Spec.Resources.Requests min and max can be enforced with a LimitRange of type "PersistentVolumeClaim" in the namespace
```
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Allow webhook authorizer to use SubjectAccessReviewInterface
Refactors the authorization webhook to be able to be fed a kubeconfig file or a SubjectAccessReviewsInterface
Added tests to exercise retry logic, and ensure the correct serialized version is sent to the remote webhook (I also made sure the new tests passed on the current webhook impl in master)
c.f. https://github.com/kubernetes/kubernetes/pull/32547
c.f. https://github.com/kubernetes/kubernetes/pull/32518
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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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