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Topology aware volume scheduler and PV controller changes
**What this PR does / why we need it**:
Scheduler and PV controller changes to support volume topology aware scheduling, as specified in kubernetes/community#1168
**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#54435
**Special notes for your reviewer**:
* I've split the PR into logical commits to make it easier to review
* The remaining TODOs I plan to address next release unless you think it needs to be done now
**Release note**:
```release-note
Adds alpha support for volume scheduling, which allows the scheduler to make PersistentVolume binding decisions while respecting the Pod's scheduling requirements. Dynamic provisioning is not supported with this feature yet.
Action required for existing users of the LocalPersistentVolumes alpha feature:
* The VolumeScheduling feature gate also has to be enabled on kube-scheduler and kube-controller-manager.
* The NoVolumeNodeConflict predicate has been removed. For non-default schedulers, update your scheduler policy.
* The CheckVolumeBinding predicate has to be enabled in non-default schedulers.
```
@kubernetes/sig-storage-pr-reviews @kubernetes/sig-scheduling-pr-reviews
Automatic merge from submit-queue (batch tested with PRs 51321, 55969, 55039, 56183, 55976). 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 apply and strategic merge patch using openapi
- [x] support openapi in strategic merge patch
- [x] test openapi in strategic merge patch
- [x] kubectl apply use openapi to calculate diff be default. It will fall back to use baked-in types when openapi is not available.
- [x] test openapi in kubectl apply
Fixes: kubernetes/kubectl#55
```release-note
kubectl apply use openapi to calculate diff be default. It will fall back to use baked-in types when openapi is not available.
```
/assign @apelisse
Automatic merge from submit-queue (batch tested with PRs 54529, 53765). 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>.
fix #53735, check whether interface conversion is ok
**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 #
fix#53735
avoid interface conversion error
**Special notes for your reviewer**:
**Release note**:
```release-note
```
Callers must take a dependency on one or the other set of conversions
and default client behavior. Future changes may add a Versioned() type,
but this is an accurate reflection of current code state.
The unified RESTMapper and Typer follow the new rules, but on error will
fallback to the legacy path (while still supporting Unstructured
objects). This allows callers to handle the appropriate distinction
themselves if necessary.
Add a LocalParam() method to the resource.Builder that DRYs up a large
chunk of complicated code in set commands.
Also remove error messages that depended on ObjectKinds() - future
changes will potentially remove this interface and the replacements here
are equivalent.
Delays the error until the first call and then preserves it for others.
More closely matches the intent of the Object() calls. Loaders are now
lazy and don't need to return errors directly.
Sets the stage for collapsing unstructured and structured builders
together.
Reduce all uses of Unstructured to the simpler form, and avoid asking
for mapper or typer unless it is required. Use Typed() for places that
previously used VersionedObject, and remove paths for versioned objects
from code that is now using unstructured.
Demonstrate its use with get.go by removing the need to call decode with
a hardcoded scheme. Add tests to get_test.go to restore proving that
unstructured conversion is possible.
Automatic merge from submit-queue (batch tested with PRs 55757, 55741, 55817, 55834, 51530). 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 resource.Builder to modify requests per client
Gives the builder a hook point to add settings to each request. These
settings are applied before the request is created and so are unable to
view the request. Intended to set controls on a per request basis.
Prereq for server-side `kubectl get`
@enj as requested @kubernetes/sig-cli-api-reviews
Automatic merge from submit-queue (batch tested with PRs 55233, 55927, 55903, 54867, 55940). 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 cmd/util/printing.go#PrintSuccess to factory_builder.go
**Release note**:
```release-note
NONE
```
This patch is one in a series of patches that aims to move all
printing functions to the `cmdutil.Factory` in order to make
the factory the one-stop shop for accessing printers in the client.
This PR is related to https://github.com/kubernetes/kubernetes/pull/50113 and aims to break that set of changes
by introducing a portion of them in this commit in order to make
them easier to review.
@fabianofranz @mengqiy @shiywang @seans3
Automatic merge from submit-queue (batch tested with PRs 50457, 55558, 53483, 55731, 52842). 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>.
Show openapi custom columns in `kubectl get`
Change the name of the flag to something slightly more user-friendly,
while making it default true. The flag is kept so that someone can
revert it temporarly if things go wrong.
**What this PR does / why we need it**: OpenAPI can specify for some columns to be used in `kubectl get`. That's very useful for non-core/hard-coded type in order to print more valuable data in get.
**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**:
Closeskubernetes/kubectl#143
**Release note**:
```release-note
`kubectl get` will now use OpenAPI schema extensions by default to select columns for custom types.
```
Gives the builder a hook point to add settings to each request. These
settings are applied before the request is created and so are unable to
view the request. Intended to set controls on a per request basis.
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>.
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. 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 explain: ignore trailing period
Fixes#54891
Ignores trailing period for kubectl explain i.e. `kubectl explain ingress.spec.rules.http.paths.` is valid and defaults to `kubectl explain ingress.spec.rules.http.paths`.
**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>.
remove unused function in cmd_test.go
PR removed unused defaultClientConfigForVersion() functions from cmd_test.go.
**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**:
```
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>.
Fixes kubectl Pod Disruption Budget and adds tests
**What this PR does / why we need it**:
This PR fixes several kubectl Pod Disruption Budget issues:
* The `min-available` parameter in Pod Disruption Budget V1 is not required (otherwise it will never use the default value)
* Removes the deprecated `min-available` default in Pod Disruption Budget V2
* The `selector` parameter in Pod Disruption Budget V2 is required
* Fixes (typo) the `max-unavailable` parameter check in Pod Disruption Budget V2
* Fixes some assertion error messages where the value printed was always the zero value of the parameter type instead of the parameter provided
* Updated kubectl Pod Disruption Budget to use policy V1Beta1 instead of unversioned API (see https://github.com/kubernetes/kubectl/issues/90)
* Add missing tests
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes https://github.com/kubernetes/kubectl/issues/101
**Special notes for your reviewer**:
Spllited in several commits to make the review process easier. Please let me know if you prefer to squash some commits or if you prefer to split them in different PRs.
**Release note**:
```release-note
NONE
```
/cc @kubernetes/sig-cli-pr-reviews
If a user edits last-applied-configuration and it doesn't have an
apiVersion or kind, the command should error out. Now that we check for
kind and version on the unstructured object typer, the previously
passing test now correctly fails. Add a new explicit failure test and
make the existing test pass.
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Using --show-labels with incompatible ‘kubectl get’ arguments should …
…error out
**What this PR does / why we need it**:
According to @ahmetb 's [issue](https://github.com/kubernetes/kubernetes/issues/55290)
Under specific circumstances, current behavior is that the `--show-labels` simply doesn’t make a difference since it’s not applicable.
**Which issue(s) this PR fixes** :
Fixes#55290
**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.
Automatic merge from submit-queue (batch tested with PRs 55682, 55444, 55456, 55717, 55131). 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>.
hint command missing namespace parameters
**What this PR does / why we need it**:
hint command miss namespace parameters.
before change, the hint is:
```shell
Use 'kubectl describe pod/<podname>' to see all of the containers in this pod.
```
after change, the hint is:
```shell
Use 'kubectl describe pod/<podname> -n <podnamespace>' to see all of the containers in this pod.
```
**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
```
Change the name of the flag to something slightly more user-friendly,
while making it default true. The flag is kept so that someone can
revert it temporarly if things go wrong.
Add a new EmptyResource class that implements openapi.Resources, but
just doesn't have any resources. That is useful for tests that expect
the OpenAPISchema to be working, but don't expect any actual result.
Also implement CreateOpenAPISchemaFunc to simply plug in the TestFactory
code when you want to use an actual APISchema.
Automatic merge from submit-queue (batch tested with PRs 55648, 55274, 54982, 51955, 55639). 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>.
Enhance label and taint documentation in kubectl
**What this PR does / why we need it**:
This adds some language around how taint and label keys can have a domain + '/' in front of them. From the current documentation, it would seem like these are not allowed even though [well known labels](https://kubernetes.io/docs/reference/labels-annotations-taints/) have them.
Also, it seemed unclear (to me) that both the label's key and value can be 63 characters long. I wanted to clarify this.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
None
**Special notes for your reviewer**:
Phrasing of "_DNS subdomain prefix and '/'_" was copied from [a validator's message](https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/apimachinery/pkg/util/validation/validation.go#L57) ... I'm unsure if its the best wording, but wanted to be consistent with the validator.
**Release note**:
```release-note
NONE
```
kubectl explain ingress.spec.rules.http.paths. is valid
and defaults to kubectl explain ingress.spec.rules.http.paths
Rational: We use kubectl explain by adding fields
(e.g. service, then service.spec, then service.spec.ports ...)
so it's very easy to forget a trailing . at the end. We should
ignore the trailing period and display the result without it.
Automatic merge from submit-queue (batch tested with PRs 54602, 54877, 55243, 55509, 55128). 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 cmd/util/printing.go#PrintResourceInfoForCommand -> factory…
**Release note**:
```release-note
NONE
```
This patch is one in a series of patches that aims to move all
printing functions to the `cmdutil.Factory` in order to make
the factory the one-stop shop for accessing printers in the client.
This PR is related to https://github.com/kubernetes/kubernetes/pull/50113 and aims to break the set of changes
introduced in this commit in order to make them easier to review.
@fabianofranz @mengqiy @shiywang @seans3
Automatic merge from submit-queue (batch tested with PRs 54826, 53576, 55591, 54946, 54825). 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>.
Make sure the ports are valid when parsing portString
**What this PR does / why we need it**:
We need ensure the ports are valid when parsing `portString`.
**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
```
Automatic merge from submit-queue (batch tested with PRs 55283, 55461, 55288, 53970, 55487). 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>.
Fix an unreachable kubectl explain field lookup test
In error case, the condition `gotErr != test.err && gotPath !=
test.expectedPath` never fulfill because in this case both gotPath and
test.expectedPath are always an empty string. So the err “err: `field "what?"
does not exist`” doesn’t get tasted. For example, if you change the value of
`err:` to anything, the test still will pass. Also, since gotPath is empty
string in case of err, in the output error we probably don’t want to display
path.
**What this PR does / why we need it**:
Fixes an unreachable unit test.
**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
```
Automatic merge from submit-queue (batch tested with PRs 53337, 55465, 55512, 55522, 54554). 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>.
switch UpdatePodSpecForObject to work on v1.PodSpec, use info.VersionedObject, and avoid conversion completely
**What this PR does / why we need it**:
ref #54212
ref #https://github.com/kubernetes/kubectl/issues/83
**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**:
cc @liggitt @pwittrock
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 54460, 55258, 54858, 55506, 55510). 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 create subcommand for priorityclass
**What this PR does / why we need it**:
add `create priorityclass` sub command
**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 #54857
**Special notes for your reviewer**:
**Release note**:
```release-note
add create priorityclass sub command
```
Automatic merge from submit-queue (batch tested with PRs 54460, 55258, 54858, 55506, 55510). 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>.
Fix namespace support in kubectl aging plugin
The example plugin's comments mentioned the namespace support
limitation, awaiting kubectl to implement environment variable
propagation. Now that 1.8 is out, the requirement is satisfied.
This commit adds use of the conveyed namespace information to the
plugin example.
Fixes#55255
**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)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
```
Automatic merge from submit-queue (batch tested with PRs 54987, 55221, 54099, 55144, 54215). 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>.
Scale help
**What this PR does / why we need it**:
The `kubectl autoscale --help` says this:
```
# Auto scale a deployment "foo", with the number of pods between 2 and 10, target CPU utilization specified so a default autoscaling policy will be used:
kubectl autoscale deployment foo --min=2 --max=10
```
This is incorrect. A default autoscaling policy will be used because *no* target CPU utilization has been specified.
**Which issue(s) this PR fixes**:
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```