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Update kubeadm's minimum supported Kubernetes in v1.11.x to 1.10
**What this PR does / why we need it**:
This PR does,
* Restricts supported Kubernetes version in 1.11 cycle;
* Removes useless v190-specific variables, since the minimum version is v1.10;
* Bumps etcd version based on k8s version to 1.10.X => 3.1.12, 1.11.X => 3.2.18, 1.12.X => 3.2.18;
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixeskubernetes/kubeadm#815
**Special notes for your reviewer**:
/cc kubernetes/sig-cluster-lifecycle-pr-reviews
/cc luxas
**Release note**:
```release-note
Update kubeadm's minimum supported kubernetes in v1.11.x to 1.10
```
Automatic merge from submit-queue (batch tested with PRs 63871, 63927, 63966, 63957, 63844). 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 strategy description for 'kubectl describe sts' command
**What this PR does / why we need it**:
To display `UpdateStrategyType` and `RollingUpdateStrategy` information when execute `kubectl describe sts` command, the output likes:
```
Name: web
Namespace: default
CreationTimestamp: Thu, 17 May 2018 10:21:19 +0800
Selector: app=nginx
Labels: app=nginx
Annotations: <none>
Replicas: 3 desired | 1 total
Update Strategy: RollingUpdate
Partition: 2
Pods Status: 0 Running / 1 Waiting / 0 Succeeded / 0 Failed
Pod Template:
Labels: app=nginx
Containers:
nginx:
Image: k8s.gcr.io/nginx-slim:0.8
Port: 80/TCP
Host Port: 0/TCP
Environment: <none>
Mounts:
/usr/share/nginx/html from www (rw)
Volumes: <none>
Volume Claims:
Name: www
StorageClass: my-storage-class
Labels: <none>
Annotations: <none>
Capacity: 1Gi
Access Modes: [ReadWriteOnce]
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal SuccessfulCreate 10s statefulset-controller create Pod web-0 in StatefulSet web successful
```
**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 None
**Special notes for your reviewer**:
**Release note**:
```release-note
Add 'UpdateStrategyType' and 'RollingUpdateStrategy' to 'kubectl describe sts' command output.
```
Automatic merge from submit-queue (batch tested with PRs 63871, 63927, 63966, 63957, 63844). 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 UID mutation from request.context
**What this PR does / why we need it**:
remove UID mutation from request.context, which is no use currently.
Fixes#59775
**Special notes for your reviewer**:
**Release note**:
```release-note
Remove UID mutation from request.context.
```
Automatic merge from submit-queue (batch tested with PRs 63871, 63927, 63966, 63957, 63844). 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>.
kubectl: fix Flatten() when used without Latest()
**What this PR does / why we need it**:
If `Flatten()` is used on resource builder the list is not flattened unless the `Latest()` is used in the chain.
We should support `Flatten()` without Latest() as well. For example:
```
$ oc apply -l foo=bar -f /tmp/list.yaml
```
will fail with:
```
F0517 13:45:07.831195 31795 helpers.go:119] error: object does not implement the Object interfaces
```
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 63871, 63927, 63966, 63957, 63844). 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>.
start splitting polymorphic functions out of the factory
the polymorphic behavior in `kubectl` has been gathered in the factory, but with the new kubeconfigflags and interfaces, it can actually be re-written as a set of helper calls.
These functions are special. They are indications of areas of flexibility that we eventually need to build generically. In addition, unit tests make heavy use of injection. For these reasons we aren't inlining them. Instead we'll extra to a polymorphic package and have them as assignable functions for mocking.
Individual commands should support injection for cleaner mocking and we'll be able to use the package to hunt internal dependencies.
@kubernetes/sig-cli-maintainers
@soltysh @juanvallejo
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 63871, 63927, 63966, 63957, 63844). 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>.
kubeadm: Remove the never-used .Etcd.SelfHosted field
**What this PR does / why we need it**:
These API types were added to support the self-hosting etcd feature, which in the end never was merged. Hence these API types are unused and should be removed. Perfect timing to do that is now in our new `v1alpha2` scheme.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Part of https://github.com/kubernetes/community/pull/2131
**Special notes for your reviewer**:
Depends on PRs:
- [x] #63799
- [x] #63788
**Release note**:
```release-note
kubeadm has removed `.Etcd.SelfHosting` from its configuration API. It was never used in practice.
```
@kubernetes/sig-cluster-lifecycle-pr-reviews @liztio
the flakes referenced in #51704 were still seen downstream. the current timeout approach is known to be faulty, but fixing the tests has not been prioritized. this increases the timeout sufficiently to avoid flakes in the meantime
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>.
Allow for listing & watching individual secrets from nodes
This PR:
- propagates value of `metadata.name` field from fieldSelector to `name` field in RequestInfo (for list and watch requests)
- authorizes list/watch for requests for single secrets/configmaps coming from nodes
As an example:
```
/api/v1/secrets/namespaces/ns?fieldSelector=metadata.name=foo =>
requestInfo.Name = "foo",
requestInfo.Verb = "list"
/api/v1/secrets/namespaces/ns?fieldSelector=metadata.name=foo&watch=true =>
requestInfo.Name = "foo",
requestInfo.Verb = "list"
```
```release-note
list/watch API requests with a fieldSelector that specifies `metadata.name` can now be authorized as requests for an individual named resource
```
Using GetFlagString from k8s.io/kubernetes/pkg/kubectl/cmd/util
causes pkg/client/clientset_generated/internalclientset to be pulled
as an external dependency, thus producing larger executable and
increasing the maintainance hell.
Signed-off-by: Rostislav M. Georgiev <rostislavg@vmware.com>
Automatic merge from submit-queue (batch tested with PRs 63749, 63961). 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 a way to pass extra arguments to etcd.
**What this PR does / why we need it**:
It adds a way to pass additional arguments to etcd. They can be used to adjust runtime configuration like heartbeat interval etc.
**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
Add a way to pass extra arguments to etcd.
```
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minor fix for VolumeZoneChecker predicate
storageclass can be in annotation and spec.
```release-note
minor fix for VolumeZoneChecker predicate, storageclass can be in annotation and spec.
```
Automatic merge from submit-queue (batch tested with PRs 63886, 63857, 63824). 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>.
vSphere Cloud Provider: add SAML token authentication support
**What this PR does / why we need it**:
The vSphere cloud provider currently supports username+password based authentication, this PR adds an option to use token based authentication.
**Which issue(s) this PR fixes**:
Fixes#63209
**Special notes for your reviewer**:
For now the config structs and validation are left as-is and
the LoginByToken method is used if the username value is PEM encoded.
In this case of username field configured with the public key, the password
field is expected to be configured with the private key.
In a follow-up PR we can look at collapsing the auth related fields into
a common struct to avoid duplication of field merging and validation.
And then add separate fields for the public and private keys.
**Release note**:
```release-note
vSphere Cloud Provider: add SAML token authentication support
```
Automatic merge from submit-queue (batch tested with PRs 63886, 63857, 63824). 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 cache based manager
This is support to be no-op refactoring. It will only allow to share code between secret and configmap managers.
Automatic merge from submit-queue (batch tested with PRs 63886, 63857, 63824). 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>.
[GCE] Check for NEG healthcheck
**What this PR does / why we need it**:
In `backendMode`, also check for HealthCheck with the same name as BackendService.
**Release note**:
```release-note
NONE
```
