Automatic merge from submit-queue (batch tested with PRs 56308, 54304, 56364, 56388, 55853). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
clean up failure domain from InterPodAffinityPriority
**Release note**:
```release-note
NONE
```
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Create{Container,Pod}SecurityContext: modify a pod and don't return the annotations
**What this PR does / why we need it**:
Prior https://github.com/kubernetes/kubernetes/pull/52849 we couldn't modify a pod and had to return annotations from the methods. But now, as we always working with a copy of a pod, we can modify it directly and we don't need to copy&return annotations separately.
This PR simplifies the code by modifying a pod directly. Also it renames these methods and replaces returning of the `SecurityContext` by in-place modification.
In fact it reverts the changes from https://github.com/kubernetes/kubernetes/pull/30257
**Release note**:
```release-note
NONE
```
PTAL @liggitt @timstclair
CC @simo5
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remove useless const
Trivial fix.
**Release note**:
```release-note
NONE
```
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delete a node from its cache if it gets node not found error
**What this PR does / why we need it**:
delete a node from its cache if it gets node not found error
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes # https://github.com/kubernetes/kubernetes/issues/56261
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 56688, 56577). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Add pvc as part of equivalence hash
**What this PR does / why we need it**:
Should add PVC as part of equivalence hash so that `StatefulSe`t and `Operator` will always run the volume predicate, while the `ReplicaSet` can still re-use cached ones.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#56265
**Special notes for your reviewer**:
**Release note**:
```release-note
Add pvc as part of equivalence hash
```
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CSI - Fix feature gate bug and add bootstrap RBAC rules
**What this PR does / why we need it**:
This PR addresses show-stopper bug https://github.com/kubernetes/kubernetes/issues/56532. It fixes the faulty feature gate logic and adds RBAC rules for kube-controller-manager and kubelet that allows `VolumeAttachment` API operations against the api-server.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#56532, #56667
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
resource limits are satisfied by the input node's allocatable resources or not.
If yes, the node is assigned a score of 1, otherwise the node's score is not changed.
This admission plugin puts finalizer to every created PVC. The finalizer is
removed by PVCProtectionController when the PVC is not referenced by any
pods and thus the PVC can be deleted.
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Add PodDisruptionBudget support in pod preemption
**What this PR does / why we need it**:
This PR adds the logic to make scheduler preemption aware of PodDisruptionBudget. Preemption tries to avoid preempting pods whose PDBs are violated by preemption. If preemption does not find any other pods to preempt, it will preempt pods despite violating their PDBs.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#53913
**Special notes for your reviewer**:
**Release note**:
```release-note
Add PodDisruptionBudget support during pod preemption
```
ref/ #47604
/sig scheduling
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Add resize support for ceph RBD
Add resize support for ceph RBD
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: part of [#657](https://github.com/kubernetes/community/pull/657)
**Special notes for your reviewer**:
**Release note**:
```release-note
Add resize support for ceph RBD
```
WIP, need to add fs resize,
assign to myself first
/assign @NickrenREN
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fixtypo
**What this PR does / why we need it**:
fixtypo
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
None
```
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[PodSecurityPolicy] Optimize authorization check
**What this PR does / why we need it**:
Authorizing PodSecurityPolicy use may involve a remote call, and can be slow. Rather than authorizing the user / SA for every policy in the cluster, only test authz for the policies under which the pod is valid.
This is a big improvement in the case where there are a lot of policies for which the pod is not valid (benchmark below), but should also help when the pod is valid under other policies, as it allows the authorization to short-circuit on the first accepted policy.
**Benchmark:**
Highlight from scale testing (see https://docs.google.com/document/d/1IIcHHE_No1KMAybW5krIphdN325eGa2sxF2eqg2YAPI/edit for the full results). These were run with 1000 policies under which the pods were not valid, and had no role bindings.
| | method | resource | 50th percentile | 90th percentile | 99th percentile
| -- | -- | -- | -- | -- | --
| 1.8 HEAD | POST | pods | 8.696784s | 20.497659s | 22.472421s
| 1.8 With fix | POST | pods | 25.454ms | 29.068ms | 85.817ms
(I didn't benchmark master, but expect the difference to be more drastic, since the authorization is run twice - for both Admit and Validate)
**Which issue(s) this PR fixes**:
Fixes#55521
**Special notes for your reviewer**:
The validation errors are no longer totally accurate, as they may include errors from PSPs that the user/pod isn't authorized to use. However, I think this is a worthwhile tradeoff. If this is a big concern, we could authorize all policies in the case where none admitted /validated the pod.
**Release note**:
```release-note
Improved PodSecurityPolicy admission latency, but validation errors are no longer limited to only errors from authorized policies.
```
