Automatic merge from submit-queue (batch tested with PRs 43870, 30302, 42722, 43736)
Admission plugin to merge pod and namespace tolerations for restricting pod placement on nodes
```release-note
This admission plugin checks for tolerations on the pod being admitted and its namespace, and verifies if there is any conflict. If there is no conflict, then it merges the pod's namespace tolerations with the the pod's tolerations and it verifies them against its namespace' whitelist of tolerations and returns. If a namespace does not have its default or whitelist tolerations specified, then cluster level default and whitelist is used. An example of its versioned config:
apiVersion: apiserver.k8s.io/v1alpha1
kind: AdmissionConfiguration
plugins:
- name: "PodTolerationRestriction"
configuration:
apiVersion: podtolerationrestriction.admission.k8s.io/v1alpha1
kind: Configuration
default:
- Key: key1
Value: value1
- Key: key2
Value: value2
whitelist:
- Key: key1
Value: value1
- Key: key2
Value: value2
```
Automatic merge from submit-queue
Scheduler can recieve its policy configuration from a ConfigMap
**What this PR does / why we need it**: This PR adds the ability to scheduler to receive its policy configuration from a ConfigMap. Before this, scheduler could receive its policy config only from a file. The logic to watch the ConfigMap object will be added in a subsequent PR.
**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**:
```Add the ability to the default scheduler to receive its policy configuration from a ConfigMap object.
```
Automatic merge from submit-queue (batch tested with PRs 41775, 39678, 42629, 42524, 43028)
Aggregated used ports at the NodeInfo level.
fixes#42523
```release-note
Aggregated used ports at the NodeInfo level for `PodFitsHostPorts` predicate.
```
Automatic merge from submit-queue
leader election lock based on scheduler name
**What this PR does / why we need it**:
This pr changed the leader election lock based on scheduler name.
**Which issue this PR fixes** :
fixes#39032
**Special notes for your reviewer**:
**Release note**:
```
[scheduling]Fix a bug for multiple-schedulers that you cannot start a second scheduler without disabling leader-elect if the default scheduler has leader-elect enabled(default). We changed the leader election lock based on scheduler name.
```
Automatic merge from submit-queue (batch tested with PRs 44084, 42964)
Updated AddOrUpdateTolerationInPod to return bool only.
Updated AddOrUpdateTolerationInPod to return bool only, as there's no case to generate error (the error was used for annotation, it'll not return error after moving to field); and also update admission & daemonset accordingly.
Fix a bug in serviceaccount admission introduced when we switched
everything to use shared informers. That change accidentally reused the
list of secrets instead of creating a new one, resulting in all secrets
in the namespace being returned as possible service account tokens,
instead of limiting it only to the actual service account tokens, as it
did before the shared informer conversion. This also adds a unit test to
ensure there is no future regression here.
If we get the scheduling metrics, which is "SchedulingAlgorithmLatency, E2eSchedulingLatency, BindingLatency". The E2eSchedulingLatency should be the sum of SchedulingAlgorithmLatency and BindingLatency, while we found E2eSchedulingLatency is almost the same as E2eSchedulingLatency for some optimization.
Automatic merge from submit-queue
Fix a typo
Fix a typo
**What this PR does / why we need it**:
**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
```
Automatic merge from submit-queue (batch tested with PRs 42360, 43109, 43737, 43853)
Include pod namespace in PSP 'use' authorization check
Follow up to https://github.com/kubernetes/kubernetes/pull/33080/files#diff-291b8dd7d08cc034975ddb3925dbb08fR341
Prior to this PR, when PodSecurityPolicy admission is active, you must be authorized to use a covering PodSecurityPolicy cluster-wide in order to create a pod. This PR changes that to only require a covering PodSecurityPolicy within the pod's namespace.
When used in concert with mechanisms that limits pods within a namespace to a particular set of nodes, this can be used to allow users to create privileged pods within specific namespaces only.
```release-note
Permission to use a PodSecurityPolicy can now be granted within a single namespace by allowing the `use` verb on the `podsecuritypolicies` resource within the namespace.
```
Automatic merge from submit-queue (batch tested with PRs 42379, 42668, 42876, 41473, 43260)
Bump test coverage for initialresources
**What this PR does / why we need it**:
Increases test coverage for `plugin/pkg/admission/initialresources` to 80.2%.
**Which issue this PR fixes**
https://github.com/kubernetes/kubernetes/issues/39559
**Special notes for your reviewer**:
Some of these features require E2E tests to achieve 100% coverage, the tests here are just unit tests, so I've tried to delineate as much as possible. I also saw that we might be exporting a lot of this to Heapster in the future.
**Release note**:
```release-note
Test coverage for initialresources increased to 80.2% percent.
```
Automatic merge from submit-queue (batch tested with PRs 42662, 43035, 42578, 43682)
Selector spreading - improving code readability.
**What this PR does / why we need it**:
To improve code readability in selector spreading.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#42577
```release-note
```
Automatic merge from submit-queue
Add plugin/pkg/scheduler to linted packages
**What this PR does / why we need it**:
Adds plugin/pkg/scheduler to linted packages to improve style correctness.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#41868
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 43681, 40423, 43562, 43008, 43381)
Changes for removing deadcode in taint_tolerations
**What this PR does / why we need it**:
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#43007
Automatic merge from submit-queue
Improved test code coverage for plugin/pkg/admission/admit.
**What this PR does / why we need it**:'
part of #39559 , code coverage improved from 60% to 80%
Code cleanup with some modifications and a test-case in taints and tolerations
Code cleanup with some modifications and a test-case in taints and tolerations
Removed unnecessary code from my last commit
Code cleanup with some modifications and a test-case in taints and tolerations
SUggested changes for taints_tolerations
Changes for removing deadcode in taint_tolerations
small changes again
small changes again
Small changes for clear documentation.
Automatic merge from submit-queue (batch tested with PRs 40404, 43134, 43117)
Improve code coverage for scheduler/api/validation
**What this PR does / why we need it**:
Improve code coverage for scheduler/api/validation from #39559
Thanks
**Special notes for your reviewer**:
**Release note**:
```release-note
```
Automatic merge from submit-queue (batch tested with PRs 42775, 42991, 42968, 43029)
Initial breakout of scheduling e2es to help assist in assignment and refactoring
**What this PR does / why we need it**:
This PR segregates the scheduling specific e2es to isolate the library which will assist both in refactoring but also auto-assignment of issues.
**Which issue this PR fixes**
xref: https://github.com/kubernetes/kubernetes/issues/42691#issuecomment-285563265
**Special notes for your reviewer**:
All this change does is shuffle code around and quarantine. Behavioral, and other cleanup changes, will be in follow on PRs. As of today, the e2es are a monolith and there is massive symbol pollution, this 1st step allows us to segregate the e2es and tease apart the dependency mess.
**Release note**:
```
NONE
```
/cc @kubernetes/sig-scheduling-pr-reviews @kubernetes/sig-testing-pr-reviews @marun @skriss
/cc @gmarek - same trick for load + density, etc.
Automatic merge from submit-queue (batch tested with PRs 43034, 43066)
Allow StatefulSet controller to PATCH Pods.
**What this PR does / why we need it**:
StatefulSet now needs the PATCH permission on Pods since it calls into ControllerRefManager to adopt and release. This adds the permission and the missing e2e test that should have caught this.
**Which issue this PR fixes**:
**Special notes for your reviewer**:
This is based on #42925.
**Release note**:
```release-note
```
cc @kubernetes/sig-apps-pr-reviews
