Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
client: periodically reload InClusterConfig token
/sig auth
/sig api-machinery
```release-note
NONE
```
Kubernetes-commit: 7b6647a418c660f2c87f183f706b297f1cb573ca
Automatic merge from submit-queue (batch tested with PRs 67894, 64097). 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>.
HPA metrics specificity improvements
**What this PR does / why we need it**:
Improves available specificity for HPA metrics by adding metric selector fields for metrics of Pods and Objects.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Implements this KEP: https://github.com/kubernetes/community/pull/2055
**Special notes for your reviewer**:
Need to add/update tests?
**Release note**:
```release-note
Introduces autoscaling/v2beta2 and custom_metrics/v1beta2, which implement metric selectors for Object and Pods metrics, as well as allowing AverageValue targets on Objects, similar to External metrics.
```
/assign @DirectXMan12
Kubernetes-commit: fdb5707194d56cbbd0da11c5be3a2a5653e714c9
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>.
update github.com/imdario/mergo to v0.3.5
**What this PR does / why we need it**:
Updates github.com/imdario/mergo library to v0.3.5. We were pinned because of a functionality change in the dependency, however, a new function was introduced with similar functionality to the old.
There is apparently some Debian packaging issues (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=878254) because of this. I'm still not clear what those are, unless they are forcing the library to update, as opposed to using our `vendor/`.
That said, this will allow for some of those vendor conflicts to resolve for anyone else who is using client-go, so that's at least worthwhile.
**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#27543, fixes https://github.com/kubernetes/client-go/issues/431
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Kubernetes-commit: 6b4135267911b6c10ed536308d29d2a7c453eef6
Automatic merge from submit-queue (batch tested with PRs 67071, 66906, 66722, 67276, 67039). 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>.
#50102 Task 1: Move apimachinery/pkg/watch.Until into client-go/tools/watch.UntilWithoutRetry
**What this PR does / why we need it**:
This is a split off from https://github.com/kubernetes/kubernetes/pull/50102 to go in smaller pieces.
Moves `apimachinery/pkg/watch.Until` into `client-go/tools/watch.UntilWithoutRetry` and adds context so it is cancelable.
**Release note**:
```release-note
NONE
```
**Dev release note**:
```dev-release-note
`apimachinery/pkg/watch.Until` has been moved to `client-go/tools/watch.UntilWithoutRetry`.
While switching please consider using the new `client-go/tools/watch.UntilWithSync` or `client-go/tools/watch.Until`.
```
/cc @smarterclayton @kubernetes/sig-api-machinery-pr-reviews
/milestone v1.12
/priority important-soon
/kind bug
(bug after the main PR which is this split from)
Kubernetes-commit: b6f0aed056ab94fef0b6f54e1ca1d66a5fc228b3
Automatic merge from submit-queue (batch tested with PRs 66602, 67178, 67207, 67125, 66332). 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>.
Vendor cfssl/cfssljson utilities
**What this PR does / why we need it**:
Vendors the `cfssl` and `cfssljson` tools. Updates `kube::util::ensure-cfssl` to use them.
**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#66995, fixes#60070
**Special notes for your reviewer**:
1. Add cfssl/cfssljson ot the required bins for saving
2. Manually cloned/checked out the new dependencies to my gopath. `godep restore` doesn't pull them down because they aren't required or already in the `Godeps.json`. Used @BenTheElder's list here: https://github.com/kubernetes/kubernetes/issues/66995#issuecomment-410594532
3. `hack/godep-save.sh` to add the packages and dependencies to godep
4. Fixed two bugs when building:
a. `golang.org/x/crypto` needed to be updated
b. `github.com/cloudflare/cfssl` needed to be updated to 56268a613a so we can vendor their fork of `crypto/tls`, as we discard their modified vendored stdlib.
5. Update staging godeps
6. Update the `kube::util::ensure-cfssl` to install from vendor
**Release note**:
```release-note
NONE
```
Kubernetes-commit: 818e632c1fde5fb01bc8ccf9b9ee6201f33a28b4
Automatic merge from submit-queue (batch tested with PRs 65946, 65904, 65913, 65906, 65920). 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>.
track schemes by name for error reporting
Getting an error message about a type not being in the scheme is hard to fix if you don't know which scheme is failing. This adds a name to the scheme which can be set during creation or can be set based on the calling stack. If you use the old constructor a name is generated for you based on the stack. Something like "k8s.io/client-go/dynamic/scheme.go:28" for instance.
Also moves a typer to its point of use. This was debt from previous refactors which I noticed going through.
@kubernetes/sig-api-machinery-misc
@sttts
```release-note
NONE
```
Kubernetes-commit: 8e2fdb32bc84103b15310a221a375470bf567bdc
Automatic merge from submit-queue (batch tested with PRs 65256, 64236, 64919, 64879, 57932). 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 CRD OpenAPI schema
fixes#65243
depends on https://github.com/kubernetes/kube-openapi/pull/84
without this PR, kubectl complains about creating this CRD with a validation schema (which worked in 1.10):
```yaml
apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
metadata:
name: resources.mygroup.example.com
spec:
group: mygroup.example.com
version: v1alpha1
scope: Namespaced
names:
plural: resources
singular: resource
kind: Kind
listKind: KindList
validation:
openAPIV3Schema:
properties:
spec:
type: array
items:
type: number
```
> error: error validating "/Users/jliggitt/projects/snippets/crd/crd.yaml": error validating data: [ValidationError(CustomResourceDefinition.spec.validation.openAPIV3Schema.properties.spec.items): unknown field "type" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1beta1.JSONSchemaPropsOrArray, ValidationError(CustomResourceDefinition.spec.validation.openAPIV3Schema.properties.spec.items): missing required field "Schema" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1beta1.JSONSchemaPropsOrArray, ValidationError(CustomResourceDefinition.spec.validation.openAPIV3Schema.properties.spec.items): missing required field "JSONSchemas" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1beta1.JSONSchemaPropsOrArray]; if you choose to ignore these errors, turn validation off with --validate=false
that is because the types used to serialize JSONSchema require custom marshaling/unmarshaling, and the OpenAPI generator was not informed of that, so it produced this:
```json
{
"io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1beta1.JSONSchemaPropsOrArray": {
"description": "JSONSchemaPropsOrArray represents a value that can either be a JSONSchemaProps or an array of JSONSchemaProps. Mainly here for serialization purposes.",
"required": [
"Schema",
"JSONSchemas"
],
"properties": {
"JSONSchemas": {
"type": "array",
"items": {
"$ref": "#/definitions/io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1beta1.JSONSchemaProps"
}
},
"Schema": {
"$ref": "#/definitions/io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1beta1.JSONSchemaProps"
}
}
}
}
```
OpenAPI isn't able to represent oneOf/anyOf types correctly currently. Until it can, we definitely shouldn't publish a schema containing required fields which aren't even part of the JSON serialization. This PR implements custom openapi type functions, which omit the properties/required/schema attributes for four specific JSONSchema types. This allows kubectl to continue creating these objects without complaining.
/sig api-machinery
/assign @sttts
```release-note
fixed incorrect OpenAPI schema for CustomResourceDefinition objects
```
Kubernetes-commit: ed6c8b7326bd1a1b845719f4bfb302073a18f03f
Automatic merge from submit-queue (batch tested with PRs 61803, 64305, 64170, 64361, 64339). 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 TLS support to exec authenticator plugin
**What this PR does / why we need it**:
https://github.com/kubernetes/community/blob/master/contributors/design-proposals/auth/kubectl-exec-plugins.md#tls-client-certificate-support
Allows exec plugin to return raw TLS key/cert data. This data populates
transport.Config.TLS field.
This requires a change to AuthProvider interface to expose TLS configs,
not only RoundTripper.
**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#61421
**Special notes for your reviewer**:
**Release note**:
```release-note
Exec authenticator plugin supports TLS client certificates.
```
Kubernetes-commit: f701b7529937493a64f2f2553aa9a5cd7020d9b7
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>.
Sample controller tests
**What this PR does / why we need it**:
This PR adds unit tests to sample-controller.
**Special notes for your reviewer**:
This is currently based on the munnerz:sample-controller branch. Please don't merged it until #52753 is merged.
Kubernetes-commit: dc20badcd49e5fd2ab41d4320c9c70a50d30343c
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>.
Update all script shebangs to use /usr/bin/env interpreter instead of /bin/interpreter
This is required to support systems where bash doesn't reside in /bin (such as NixOS, or the *BSD family) and allow users to specify a different interpreter version through $PATH manipulation.
https://www.cyberciti.biz/tips/finding-bash-perl-python-portably-using-env.html
```release-note
Use /usr/bin/env in all script shebangs to increase portability.
```
Kubernetes-commit: b5f61ac129019d314e473584c1491b7ca62144c7
Automatic merge from submit-queue (batch tested with PRs 61818, 61800). 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>.
Replace gopass.GetPasswdMasked() by terminal.ReadPassword()
**What this PR does / why we need it**:
Replace `gopass.GetPasswdMasked()` used for reading passwords from the terminal with [`terminal.ReadPassword()`](https://godoc.org/golang.org/x/crypto/ssh/terminal#ReadPassword). This removes the `gopass` import.
**Special notes for your reviewer**:
Ran the following commands to update `godep` files:
```
./hack/godep-restore.sh -v
./hack/godep-save.sh
./hack/update-staging-godeps.sh
./hack/update-bazel.sh
```
/sig auth
/kind enhancement
/assign @ericchiang
```release-note
NONE
```
Kubernetes-commit: a5133305a9f347c79c20c5785d41cc9400be895e
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 YEAR field of all generated files and fix kubernetes boilerplate checker
**What this PR does / why we need it**:
Remove YEAR field of all generated files and fix kubernetes boilerplate checker
xref: [remove YEAR fileds in gengo #91](https://github.com/kubernetes/gengo/pull/91)
**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 [#gengo/issues/24](https://github.com/kubernetes/gengo/issues/24)
**Special notes for your reviewer**:
/cc @thockin @lavalamp @sttts
**Release note**:
```release-note
NONE
```
Kubernetes-commit: e40ffd71972b820aeed283946e880aa2479f8524