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Update Dashboard addon to version 1.8.0 and align /ui redirect with it
**What this PR does / why we need it**: In Dashboard 1.8.0 we have introduced a couple of changes (security, settings, new resources etc.) and fixed a lot of bugs. You can check release notes at https://github.com/kubernetes/dashboard/releases/tag/v1.8.0.
**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
Updated Dashboard add-on to version 1.8.0.
- The Dashboard add-on now deploys with https enabled
- The Dashboard can be accessed via kubectl proxy at http://localhost:8001/api/v1/namespaces/kube-system/services/https:kubernetes-dashboard:/proxy/
- The /ui redirect is deprecated and will be removed in 1.10
```
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Use `git archive` to produce kubernetes-src.tar.gz when git tree is clean
**What this PR does / why we need it**: uses `git archive` to embed version information in the kubernetes source tarball produced in releases. Due to recent changes, the version information was missing from the source tarball, causing builds from these source tarballs to potentially fail.
This also includes a fix inspired by #56216, since the ld flags in `hack/lib/version.sh` are not space-safe.
**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#56246
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
/assign @david-mcmahon
/priority urgent-soon
/sig release
cc @mrueg
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New API group for Events.
Fixkubernetes/features#383
cc @shyamjvs
```release-note
Add events.k8s.io api group with v1beta1 API containing redesigned Event type.
```
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Expose single annotation/label via downward API
**What this PR does / why we need it**:
https://github.com/kubernetes/community/blob/master/contributors/design-proposals/node/annotations-downward-api.md
Support exposing single annotation via both env and volume downward API using the following syntax:
```
metadata.annotations['key']
metadata.labels['key']
```
**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 #
#31218
**Special notes for your reviewer**:
This PR takes over the work in https://github.com/kubernetes/kubernetes/pull/41648.
**Release note**:
```
A single value in metadata.annotations/metadata.labels can be passed into the containers via Downward API
```
/assign @thockin @vishh
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fix storageclass unit tests
Before this change, a unit test fails:
```
make test WHAT=k8s.io/kubernetes/pkg/registry/storage/storageclass/storage
```
**Release note**:
```release-note
NONE
```
/assign @saad-ali
/assign @thockin
Automatic merge from submit-queue (batch tested with PRs 51494, 56097, 56072, 56175). 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>.
Kubelet flags take precedence over config from files/ConfigMaps
Changes the Kubelet configuration flag precedence order so that flags
take precedence over config from files/ConfigMaps.
See:
https://docs.google.com/document/d/18-MsChpTkrMGCSqAQN9QGgWuuFoK90SznBbwVkfZryo/
Also modifies e2e node test suite to transform all relevant Kubelet flags into
a config file before starting tests when the KubeletConfigFile feature gate is
true, and turns on the KubeletConfigFile gate for all e2e node tests.
This allows the alpha dynamic Kubelet config feature to continue to
work in tests after the precedence change.
fixes#56171
Related: https://github.com/kubernetes/features/issues/281
```release-note
CLI flags passed to the Kubelet now take precedence over Kubelet config files and dynamic Kubelet config. This helps ensure backwards compatible behavior across Kubelet binary updates.
```
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Make versioned types for webhook admission config
Versioned webhook admission config type as promised in https://github.com/kubernetes/kubernetes/pull/54414.
@kubernetes/sig-api-machinery-pr-reviews
@ericchiang as promised. fyi.
```yaml
kind: AdmissionConfiguration
apiVersion: apiserver.k8s.io/v1alpha1
plugins:
- name: GenericAdmissionWebhook
configuration:
kind: WebhookAdmission
apiVersion: apiserver.config.k8s.io/v1alpha1
kubeConfigFile: /path/to/my/file
```
`ADMISSION_CONTROL_CONFIG_FILE=../foo.yaml hack/local-up-cluster.sh`
Changes the Kubelet configuration flag precedence order so that flags
take precedence over config from files/ConfigMaps.
See issue #56171 for more details.
Also modifies e2e node test suite to transform all relevant Kubelet
flags into a config file before starting tests when the
KubeletConfigFile feature gate is true, and turns on the
KubeletConfigFile gate for all e2e node tests. This allows the alpha
dynamic Kubelet config feature to continue to work in tests after
the precedence change.
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>.
Adding vishh as an reviewer/approver for hack directory
This is to help drive device plugin integration and also share review burden.
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VolumeMode and VolumeDevice api
**What this PR does / why we need it:**
Adds volumeType api to PV and PVC for local block support based on this proposal (https://github.com/kubernetes/community/pull/805) and this feature issue: https://github.com/kubernetes/features/issues/351
**Special notes for your reviewer:**
There are other PR changes coming, this just simply creates the api fields
#53385 - binding logic changes dependent on this change
**Release note:**
NONE
Notes will be added in subsequents PR with the volume plugin changes, CRI, etc...
cc @msau42 @liggitt @jsafrane @mtanino @saad-ali @erinboyd
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Move unstructured conversion into pkg/runtime
Scheme conversion should support unstructured conversion natively to
allow going from unstructured to typed and back. It is not a higher
level responsibility to do that conversion because the scheme is the
only one who knows what types it supports.
@liggitt @kubernetes/sig-cli-api-reviews I am going to make Scheme support unstructured in ConvertToVersion and Convert, which means resource.Builder and the CLI can get simpler for all existing use cases where versioned and unstructured need to coexist.
Automatic merge from submit-queue (batch tested with PRs 54556, 55379, 55881, 55891, 55705). 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>.
local-up-cluster.sh should start scheduler with FEATURE_GATES
Scheduler is currently started without any feature gates. It should use the same features as the rest of local cluster.
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 54556, 55379, 55881, 55891, 55705). 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>.
Retry transient errors when fetching cfssl*.
**What this PR does / why we need it**:
Workaround for #55589.
**Release note**:
```release-note
NONE
```
/cc @shyamjvs FYI
Scheme conversion should support unstructured conversion natively to
allow going from unstructured to typed and back. It is not a higher
level responsibility to do that conversion because the scheme is the
only one who knows what types it supports.
Automatic merge from submit-queue (batch tested with PRs 55868, 55393, 55152, 55849). 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>.
Improve documentation for kubeadm preflight command
**What this PR does / why we need it**:
This PR is part of the effort for improving kubeadm reference doc (CLI, website, manpages), and more specifically improves documentation for `kubeadm alpha phase preflight`
**Which issue(s) this PR fixes**:
part of the effort for [#265](https://github.com/kubernetes/kubeadm/issues/265)
**Special notes for your reviewer**:
The PR has two commits:
- `Clone documentation utility from //pkg/kubectl/cmd/templates`, that re-implements in kubeadm some kubectl utilities for handling description and examples for cobra.commands; more PR will follow re-using those utilities. NB. I was forced to add an exception to golint because `blackfriday.Renderer` requires to implement an interface that is not compliant
- `kubeadm-doc-preflight` that implements improvement to `kubeadm alpha phase preflight`
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 55697, 55631, 51905, 55647, 55826). 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>.
Move category expander out of kubectl/resource
Removes coupling with unstructured. Part of refactoring get.go and simplifying the builder.
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Introduce new `VolumeAttachment` API Object
**What this PR does / why we need it**:
Introduce a new `VolumeAttachment` API Object. This object will be used by the CSI volume plugin to enable external attachers (see design [here](https://github.com/kubernetes/community/pull/1258). In the future, existing volume plugins can be refactored to use this object as well.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: Part of issue https://github.com/kubernetes/features/issues/178
**Special notes for your reviewer**:
None
**Release note**:
```release-note
NONE
```
Introduce the v1alpha1 version to the Kubernetes storage API. And add a
new VolumeAttachment object to that version. This object will initially
be used only by the new CSI Volume Plugin. Eventually existing volume
plugins can be refactored to use it too.
Moved client and kubeconfig related code to webhook/config;
Moved the rule matcher to webhook/rules;
Left TODOs saying we are going to move some other common utilities;
Other code is moved to webhook/validation.
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dockershim: remove corrupt checkpoints immediately upon detection
Fixes https://github.com/kubernetes/kubernetes/issues/55620
The current checkpoint abstraction leaks the handling of corrupt checkpoints to the user.
If the user does a `GetCheckpoint()` and the checkpoint is corrupt, the corrupt checkpoint is returned to the user (why??) with an error indicating the corruption. It is then up to the user to detect the corruption via the error msg and call `RemoveCheckpoint()` to remove the corrupted checkpoint.
The checkpoint abstraction should not expose corruption to the user. If it is corrupt, it is as good as not found to the user. The checkpoint code should handle cleanup of corrupt entries and report "not found" to the user.
@derekwaynecarr @eparis @dcbw @freehan
Automatic merge from submit-queue (batch tested with PRs 54005, 55127, 53850, 55486, 53440). 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>.
Validation webhook plugin converts objects to the external version before sending to webhooks
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
https://github.com/kubernetes/features/issues/492
**Special notes for your reviewer**:
**Release note**:
```release-note
The apiserver sends external versioned object to the admission webhooks now. Please update the webhooks to expect admissionReview.spec.object.raw to be serialized external versions of objects.
```
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