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Refresh scheduler equivalence cache when node taints changed.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#53425
**Release note**:
```release-note
None
```
Automatic merge from submit-queue. 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>.
moves admission.v1alpha1.NewAdmissionReview method to webhook plugin
**What this PR does / why we need it**:
this is necessary, because the webhook plugin will be moved down to apiserver.
**Release note**:
```
NONE
```
Automatic merge from submit-queue. 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>.
removes Authorizer and ExternalClientSet from kubeapiserver's admissi…
**What this PR does / why we need it**:
removes Authorizer and ExternalClientSet from kubeapiserver's admission initializer.
**Release note**:
```
NONE
```
Automatic merge from submit-queue. 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>.
Refactor node taint conditions
**What this PR does / why we need it**:
We should use `not-ready` etc as node condition taint key.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*:
fixes#51246
**Special notes for your reviewer**:
**Release note**:
```release-note
Use `not-ready` to replace `notReady` in node condition taint keys.
```
Automatic merge from submit-queue (batch tested with PRs 53135, 52512, 48339). 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>.
Fixed counting of unbound PVCs towards limit of attached volumes.
Count unbound PVCs to the limit of attached volumes to a node.
When MaxPDVolumeCountPredicate is in doubt (e.g. PVC or PV is missing), it assumes the volume is attached. It should assume the same when it encounters an unbound PVC. In any case, it should not return an error, it would stop scheduling all pods with a PVC.
Fixes: #53134
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 52723, 53271). 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>.
Apply algorithm in scheduler by feature gates.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: part of #42001
**Release note**:
```release-note
Apply algorithm in scheduler by feature gates.
```
Automatic merge from submit-queue (batch tested with PRs 50749, 52869, 53359). 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 /swagger.json and /swagger-2.0.0.pb-v1 to discovery role
Allow access to openapi docs
Fixes#53349
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moved admission interfaces WantsClientCert, WantsAuthorizer and Wants…
**What this PR does / why we need it**:
moves some admission interfaces to apiserver, hopefully moving the webhook admission in the future will be much easier.
**Release note**:
```
NONE
```
There are two ways how a scheduled pod can get its PVCs unbound:
- admin forcefuly unbinds it
- user deletes original PVC that was bound when the pod was scheduled and
creates a new one with the same name that does not get bound from some
reason.
In both cases we don't know where the original PVC pointed at and if we
should account it to the limit of attached AWS EBS / GCE PDs etc.
The common pattern here is to count it in when in doubt.
Automatic merge from submit-queue (batch tested with PRs 53247, 53319). 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>.
remove unused function addStorageLimit
**What this PR does / why we need it**:
In package `plugin/pkg/scheduler/algorithm/predicates` remove unused
unexported function `addStorageLimit`.
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 53263, 52967, 53262, 52654, 53187). 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 pod disruption budgets to admin/edit/view roles
Closes#50767
cc @kubernetes/sig-auth-pr-reviews @kubernetes/sig-node-pr-reviews
```release-note
RBAC: The default `admin` and `edit` roles now include read/write permissions and the `view` role includes read permissions on `poddisruptionbudget.policy` resources.
```
Automatic merge from submit-queue. 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 version info to kube-scheduler, kube-proxy and kubelet logs.
**What this PR does / why we need it**:
#46047 add such info to apiserver and CM. This adds version info to other binaries.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: related to #46047
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue. 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>..
bazel: build/test almost everything
**What this PR does / why we need it**: Miscellaneous cleanups and bug fixes. The main motivating idea here was to make `bazel build //...` and `bazel test //...` mostly work. (There's a few reasons these still don't work, but we're a lot closer.)
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
/assign @BenTheElder @mikedanese @spxtr
Automatic merge from submit-queue (batch tested with PRs 52831, 52764, 52763, 52673, 52558). 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>..
Allow updating objects with empty pending initializers list
**What this PR does / why we need it**: When updating an object, an empty pending list should be treated as a nil initializer. This PR fixes a bug which prevented this functionality and also adds a test which will ensure this functionality is preserved.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#52202
**Special notes for your reviewer**:
/cc @caesarxuchao
**Release note**:
```release-note
Fixes an initializer bug where update requests which had an empty pending initializers list were erroneously rejected.
```
Automatic merge from submit-queue (batch tested with PRs 52831, 52764, 52763, 52673, 52558). 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>..
default service resolver for webhook admission
**What this PR does / why we need it**:
provides a default service resolver for webhook plugin. The rationale behind is that webhook plugins names can be resolved by a dns server working inside a cluster.
**Release note**:
```
NONE
```
Automatic merge from submit-queue (batch tested with PRs 52469, 52574, 52330, 52689, 52829). 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>..
generic_scheduler.go: Fix link in comment
**What this PR does / why we need it**:
Fix a link in generic_scheduler.go which is outdated
**Release note**:
```release-note
NONE
```
Signed-off-by: Ce Gao <ce.gao@outlook.com>
Automatic merge from submit-queue (batch tested with PRs 52469, 52574, 52330, 52689, 52829). 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 test file
**What this PR does / why we need it**:
No test file for testutil.go
**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
NONE
```
Automatic merge from submit-queue (batch tested with PRs 52168, 48939, 51889, 52051, 50396). 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 specific errors for pod affinity predicates
**What this PR does / why we need it**:
Add specific error for pod affinity predicates
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
fix https://github.com/kubernetes/kubernetes/issues/51655
**Special notes for your reviewer**:
none
**Release note**:
none
Automatic merge from submit-queue (batch tested with PRs 43016, 50503, 51281, 51518, 51582). 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>..
change AddEventHandlerWithResyncPeriod to AddEventHandler in factory.go
Signed-off-by: zhangjie <zhangjie0619@yeah.net>
**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
change AddEventHandlerWithResyncPeriod to AddEventHandler in factory.go
```
Automatic merge from submit-queue. 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>..
deprecate warning for persistent volume admission controller
**What this PR does / why we need it**:
deprecate warning for persistent volume admission controller
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
Fixes#52617
**Special notes for your reviewer**:
**Release note**:
```release-note
PersistentVolumeLabel admission controller is now deprecated.
```
Automatic merge from submit-queue (batch tested with PRs 51337, 47080, 52646, 52635, 52666). 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>..
PodSecurityPolicy.allowedCapabilities: add support for * to allow to request any capabilities
**What this PR does / why we need it**:
Prior this change there was no way to allow to pods to request any capabilities. Cluster admin had always specify a full list of capabilities explicitly. Because there are many of them, it gets tedious. This PR makes possible to use `*` to allow all possible capabilities. Non-paranoid (and lazy) cluster admins can use it. Those who are super strict and paranoid of course won't use it because `*` allows capabilities that don't exist today but may be introduced in the future.
"privileged" PSP in examples was modified to allow privileged users to use this feature.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#50055
**Special notes for your reviewer**:
This functional is already present in OpenShift: https://github.com/openshift/origin/pull/12875 and https://github.com/openshift/origin/pull/15135
**Release note**:
```release-note
PSP: add support for using `*` as a value in `allowedCapabilities` to allow to request any capabilities
```
CC @simo5 @pweil- @gyliu513 @liqlin2015
Since we weren't running the HPA with metrics REST clients by default,
we had no bootstrap policy enabling the HPA controller to talk to the
metrics APIs.
This adds permissions for the HPA controller to talk list
pods.metrics.k8s.io, and list any resource in custom.metrics.k8s.io.
Automatic merge from submit-queue (batch tested with PRs 51796, 52223)
Add bsalamat to sig-scheduling-maintainers
**What this PR does / why we need it**:
Adds bsalamat to sig-scheduling-maintainers.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes # N/A
**Release note**:
```release-note
NONE
```
@kubernetes/sig-scheduling-pr-reviews @davidopp @timothysc @k82cn @wojtek-t
Automatic merge from submit-queue (batch tested with PRs 52452, 52115, 52260, 52290)
Fix support for updating quota on update
This PR implements support for properly handling quota when resources are updated. We never take negative values and add them up.
Fixes https://github.com/kubernetes/kubernetes/issues/51736
cc @derekwaynecarr
/sig storage
```release-note
Make sure that resources being updated are handled correctly by Quota system
```
Automatic merge from submit-queue (batch tested with PRs 51824, 50476, 52451, 52009, 52237)
Plumbing the proxy dialer to the webhook admission plugin
* Fixing https://github.com/kubernetes/kubernetes/issues/49987. Plumb the `Dial` function to the `transport.Config`
* Fixing https://github.com/kubernetes/kubernetes/issues/52366. Let the webhook admission plugin sets the `TLSConfg.ServerName`.
I tested it in my gke setup. I don't have time to implement an e2e test before 1.8 release. I think it's ok to add the test later, because *i)* the change only affects the alpha webhook admission feature, and *ii)* the webhook feature is unusable without the fix. That said, it's up to my reviewer to decide.
Filed https://github.com/kubernetes/kubernetes/issues/52368 for the missing e2e test.
( The second commit is https://github.com/kubernetes/kubernetes/pull/52372, which is just a cleanup of client configuration in e2e tests. It removed a function that marshalled the client config to json and then unmarshalled it. It is a prerequisite of this PR, because this PR added the `Dial` function to the config which is not json marshallable.)
```release-note
Fixed the webhook admission plugin so that it works even if the apiserver and the nodes are in two networks (e.g., in GKE).
Fixed the webhook admission plugin so that webhook author could use the DNS name of the service as the CommonName when generating the server cert for the webhook.
Action required:
Anyone who generated server cert for admission webhooks need to regenerate the cert. Previously, when generating server cert for the admission webhook, the CN value doesn't matter. Now you must set it to the DNS name of the webhook service, i.e., `<service.Name>.<service.Namespace>.svc`.
```
Automatic merge from submit-queue (batch tested with PRs 52442, 52247, 46542, 52363, 51781)
Add some test case in default_test.go
**What this PR does / why we need it**:
Add some test case in default_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 #
**Release note**:
```release-note
NONE
```
Gavin