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Refactoring of priority function(CaculateSpreadPriority) by using map/reduce pattern
**What this PR does / why we need it**:
Ref #24246. exactly ref https://github.com/kubernetes/kubernetes/issues/51455, the PR aim to unify priority functions(deprecated) by using map/reduce pattern.
This is the first step, my todo list(WIP):
- interpod-affnity priority funciton refactoring
- the priority funcitons register pattern
- deprecated priority function definition and all related logic. etc.
**Which issue this PR fixes**:
no issue, just unify the priority functions pattern.
**Special notes for your reviewer**:
none
**Release note**:
none
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Ensure config file exists before loading configuration in imagePolicyWebhook
**What this PR does / why we need it**:
ensure config file exists before loading configuration in imagePolicyWebhook
**Which issue(s) this PR fixes**
Fixes#55378
**Release note**:
```release-note
NONE
```
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Refactor Priority Reduce functions
- Reducing the duplicated reduce function by introducing a reduce
function generator that generates common reduce functions.
- Remove logs from reduce function, so it's purely calculating scores.
- Optimize the reduce functions by removing unnecessary conversion to
float64.
**Release note**:
```release-note
None
```
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Adding unit tests to methods of 'scheduler/algorithm/priorities/util'
What this PR does / why we need it:
1) Adding unit tests to methods of 'non_zero.go'
2) Adding unit tests to methods of 'util.go'
3) Adding/Modifing unit tests to methods of 'topologies.go'
thank you!
This test would never fail because Annotations were empty in all cases!
This was missed when Tolerations were moved from Annotations to be part of Pod.Spec in #38957.
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remove duplicated import
**Release note**:
```release-note
NONE
```
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add hostip and protocol to the hostport predicates
**What this PR does / why we need it**:
This PR adds "hostIP and protocol" to scheduler hostport predicate procedure
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
fix#51950
**Special notes for your reviewer**:
- [x] basic implementation, need review
- [x] e2e test
- [x] update doc (will be done in seperate PR)
**Release note**:
```release-note
add hostIP and protocol to the original hostport predicates procedure in scheduler.
```
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Enforce use of fixed size int types in the API
Changes 'int' to 'int32', enforced by import_known_versions_test
Follow up to PR #53402
**What this PR does / why we need it**:
This PR changes a few fields within the API from 'int' to 'int32' and is now enforced by import_known_versions_test. We need this so integer fields are the same size regardless of $GOARCH.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
```
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aggregate cluster roles
xref https://github.com/kubernetes/community/pull/1219https://github.com/kubernetes/features/issues/502
This is a pull with API types, a controller, and a demonstration of how to move admin, edit, and view. Once we agree on the shape, I'll
I added
```yaml
aggregationRule:
clusterRoleSelectors:
- matchLabels:
rbac.authorization.k8s.io/aggregate-to-admin: true
```
to the `ClusterRole`. A controller then goes and gathers all the matching ClusterRoles and sets the `rules` to the union of matching cluster roles.
@kubernetes/sig-auth-pr-reviews
```release-note
RBAC ClusterRoles can now select other roles to aggregate
```
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Add test case in metadata_test.go
**What this PR does / why we need it**:
Add test case in metadata_test.go
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#55567
**Release note**:
```release-note
NONE
```
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not calculate new priority when user update other spec of a pod
motivation of this change:
If we update the priority, pod validation mechanism will prevent this update
request, this is not expected.
**Release note**:
```
Priority admission controller: not calculate new priority when user update a pod
```
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remove redundant code in admission initializer
**What this PR does / why we need it**:
remove unused return error in `k8s.io\kubernetes\staging\src\k8s.io\apiserver\pkg\admission\initializer\initializer.go`
**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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split serviceaccount admission into mutation and validation
Splits the SA admission plugin into mutation and validation halves.
I had some trouble with e2e tests before, so this got split out of another pull.
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[trivil] fix comment in kube-scheduler
**Release note**:
```
NONE
```
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update podtolerations admission to mutate and validate separately
Updates the podtolerations admission plugin to mutate and validate separately. This also fixes the bug where the toleration whitelist isn't respected for memory pressure.
```release-note-action-required
The `node.kubernetes.io/memory-pressure` taint now respects the configured whitelist. If you need to use it, you'll have to add it to the whitelist.
```
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Fix divide by zero issue in calculating spread priority for zones
```release-note
NONE
```
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Allow HPA to get custom metrics
**What this PR does / why we need it**:
This PR allows HPA to read custom metrics.
**Release note**:
```release-note
Allow HPA to read custom metrics.
```
