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show type differences in reflect diff
helps debugging type coercion round-tripping issues
/assign @smarterclayton
```release-note
NONE
```
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Collapse the list and watch resource version parse
**What this PR does / why we need it**:
Collapse the list and watch resource version parse, as discuss in [#64513](https://github.com/kubernetes/kubernetes/pull/64513#issuecomment-399380988)
**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
```
For get, condense completions and success into a single column, and
print the job duration. Use a new variant of ShortHumanDuration that
shows more significant digits, since duration matters more for jobs.
```
NAME COMPLETIONS DURATION AGE
image-mirror-origin-v3.10-1529985600 1/1 47s 42m
image-mirror-origin-v3.11-1529985600 1/1 74s 42m
image-pruner-1529971200 1/1 60m 4h
```
The completions column can be:
```
COMPLETIONS
0/1 # completions nil or 1, succeeded 0
1/1 # completions nil or 1, succeeded 1
0/3 # completions 3, succeeded 1
1/3 # completions 3, succeeded 1
0/1 of 30 # parallelism of 30, completions is nil
```
Update describe to show the completion time and the duration.
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Add user-agent to audit-logging
**What this PR does / why we need it**:
Add User-Agent to audit event.
**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#64791
**Special notes for your reviewer**:
**Release note**:
```release-note
Add user-agent to audit-logging.
```
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apiextensions: enable CoreAPI options needed for admission
Admission webhooks need the client and the shared informers for kube resources. The comment is invalid and we have to enable the CoreAPI options.
This PR is important to run apiextensions-apiserver in a standalone integration test setup.
The fakeclient package does not have any non-test go files. This
causes `go build` to give a warning: `no non-test Go files in ...`.
This also causes the publishing bot to fail.
This PR adds a dummy doc.go file in the package to avoid this warning.
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Consume watch event for all versions of CRD
The new test code to fix flaky test were considered CRD version but failed to consume watch cache event in all versions.
Fixes#64571
@sttts @liggitt
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legacy api endpoints only support v1 ever
The legacy API endpoint should only ever have a v1. This removes flexibility we don't need or want.
@kubernetes/sig-api-machinery-pr-reviews
@sttts
```release-note
NONE
```
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Add client-go example using fake client in test.
**What this PR does / why we need it**:
This adds an example showing the steps needed to get a working
SharedInformerFactory with a fake client for testing.
**Special notes for your reviewer**:
I had a really hard time figuring out how to use this utility correctly. I don't think this example is sufficient documentation, but it's a good start.
**Release note**:
```release-note
NONE
```
/sig api-machinery
/kind documentation
Currently, we allow only properties, required and description at the
root of the CRD schema when the status subresource is enabled.
We can also include some other fields, even though sometimes they
might not make sense (but they don't harm).
The main idea is that when validation schema for status is extracted
as properties["status"], validation for status is not lost.
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remove unused code in runtime/scheme_test.go
**What this PR does / why we need it**:
remove unused code in runtime/scheme_test.go
**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
```
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Fix scale io volume source spec
**What this PR does / why we need it**:
> FSType
Implicitly inferred to be "ext4" if unspecified.
Actually the default value to "xfs".
**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
```
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sample-apiserver: Add RBAC roles and ClusterRoleBindings for Admission Webhooks
**What this PR does / why we need it**:
When you run the `sample-apiserver` using the [manifests provided in the artifacts directory](https://github.com/kubernetes/sample-apiserver/tree/master/artifacts/example), you will get the following errors, related to insufficient permissions to list Namespaces and Admission Webhooks:
```
E0619 07:43:06.422862 1 reflector.go:205] k8s.io/sample-apiserver/vendor/k8s.io/client-go/informers/factory.go:130: Failed to list *v1.Namespace: namespaces is forbidden: User "system:serviceaccount:wardle:apiserver" cannot list namespaces at the cluster scope
E0619 07:43:06.423981 1 reflector.go:205] k8s.io/sample-apiserver/vendor/k8s.io/client-go/informers/factory.go:130: Failed to list *v1beta1.MutatingWebhookConfiguration: mutatingwebhookconfigurations.admissionregistration.k8s.io is forbidden: User "system:serviceaccount:wardle:apiserver" cannot list mutatingwebhookconfigurations.admissionregistration.k8s.io at the cluster scope
E0619 07:43:07.424130 1 reflector.go:205] k8s.io/sample-apiserver/vendor/k8s.io/client-go/informers/factory.go:130: Failed to list *v1beta1.ValidatingWebhookConfiguration: validatingwebhookconfigurations.admissionregistration.k8s.io is forbidden: User "system:serviceaccount:wardle:apiserver" cannot list validatingwebhookconfigurations.admissionregistration.k8s.io at the cluster scope
```
This PR adds two manifests, `rbac.yaml` containing the RBAC rules, and `rbac-bind.yaml` used to bind roles to the `wardle` service account.
**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
**Release note**:
```release-note
NONE
```
/assign @sttts @deads2k
/sig api-machinery
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Fix MaxAge default audit log option
Fix typo in flag default.
```release-note
NONE
```
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etcd: reuse leases for keys in a time window
Reuse leases for keys in a time window, to reduce the overhead to etcd
caused by using massive number of leases
Fixes#47532
```release-note
NONE
```
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apiserver: add context to authn/authz kubeconfig errors
Before this the user only saw messages about in-cluster config, but didn't know which.
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apiextensions: add update to testSimpleCRUD (again?)
Did we ever have that before cleanups/refactorings?
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Correct several mistakes in the comments/doc for PollImmediate.
**What this PR does / why we need it**:
The wait.PollImmediate(...) docs refer to the Poll(...) function by mistake which is confusing. This PR fixes that issue.
**Release note**:
```release-note
Corrected a mistake in the documentation for wait.PollImmediate(...)
```
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Use actual etcd client for /healthz/etcd checks
* avoids redialing etcd on every health check (which makes slow DNS a false-positive healthz failure)
* ensures etcd TLS setup is correct (errors verifying the etcd API or sending client credentials manifest as healthz failures)
* ensures the etcd cluster is actually responsive
fixes#64909
```release-note
Etcd health checks by the apiserver now ensure the apiserver can connect to and exercise the etcd API
```
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enhance leaderelection code
**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
NONE
```
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Quiet verbose apiserver logs
In our production environments, these three lines accounted for ~10 logged lines per second at --v=2
Something that verbose per-request should be at a higher verbosity log level
/cc @eparis
/sig api-machinery
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Fix up legacy printer table adapter
As server-side printing is more widespread, downstream consumers will start leaning on this adapter to transform client-side printers to server-side printers.
This PR:
* Set the name format correctly on column 0
* Tolerates case-differences in the column 0 name (many old printers used NAME)
* Set ListMeta continue/resourceVersion/selfLink correctly when adapting a legacy printer
/cc @smarterclayton
```release-note
NONE
```
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Report parsing error in json serializer
**What this PR does / why we need it**:
Fixes missing error reporting in json parsing using the json-iterator library. Also introduces a private copy of the library config to partially shield from external mutations. https://github.com/json-iterator/go/issues/265.
**Special notes for your reviewer**:
Found while working on refactoring in https://github.com/kubernetes/kubernetes/pull/63284.
**Release note**:
```release-note
NONE
```
/kind bug
/sig api-machinery
/cc wojtek-t liggitt
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Cancellable leader election
**What this PR does / why we need it**:
Adds ability to cancel leader election. Useful in integration tests where the whole app is started and stopped in each test.
**Special notes for your reviewer**:
I used the `context` package - it is impossible/hard to achieve the same behaviour with just channels without spawning additional goroutines but it is trivial with `context`. See `acquire()` and `renew()` methods.
**Release note**:
```release-note
NONE
```
/kind enhancement
/sig api-machinery
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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
```
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apimachinery: unify accessors to not deepcopy
The Get/SetOwnerReferences accessor funcs do deepcopies, in contrast to all other accessor funcs of metav1.ObjectMeta. For unstructured.Unstructured we naturally do deepcopies.
In other words: the interface does guarantee neither the first nor the second.
This PR documents this and remove the unneccessary deepcopy for owner references (which leads to huge heap allocation e.g. in the DaemonSet controller).
This is for post-1.11. **do not assign a milestone**.
```dev-release-note
The metav1.ObjectMeta accessor does not deepcopy owner references anymore. In general, the accessor interface does not enforce deepcopy nor does it forbid it (e.g. for unstructured.Unstructured).
```
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[minor] apimachinery: remove note for quota serialization
Fixes#53503
We are way ahead of 1.5 now.
**Release note**:
```release-note
NONE
```
/cc sttts
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Collapse memcached discovery client onto parallelized discovery method
```release-note
NONE
```
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replace fmt.Sprintf(%s, i.Type()) with i.Type().String()
**What this PR does / why we need it**:
/kind cleanup
replace fmt.Sprintf(%s, i.Type()) with i.Type().String()
**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
```
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Improve unit tests for InstallPathHandler()
When adding InstallPathHandler it was suggested to follow-up with an improvement to the unit tests. deads2k suggested that the testing for InstallPathHandler() follow closer to what is already implemented for InstallHandler().
**What this PR does / why we need it**:
Increases the testing around new functionality InstallPathHandler
**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
```
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remove inaccurate comment about watch timeout
when watch timeout, the tcp connection does not close, it is reused for another new watch.
But this makes users misunderstanding.
**Release note**:
```release-note
NONE
```
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Modify LoopbackHostPort() so it returns an IPv6 Loopback address when given [::]
Currently when LoopbackHostPort() is called with 0.0.0.0 and [::] it returns the first loopback
address returned from net.InterfaceAddrs() which is typically 127.0.0.1 (golang does not
specify an order that interfaces are returned). It would be more appropriate if when calling
LoopbackHostPort() with [::] that an IPv6 loopback address is returned, this prevents some cert.
generation failures.
**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
NONE
```
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CRD Test: Fix resource creation/deletion for multi-version CRDs
During CRD testing setup, a setup instance CRD is created and watched to make sure the watch cache is prime. The deletion watch event for this instance can result in test failure for any watch test as they expect exact watch events. Previous code did not take multiple versioned CRDs into account. This change will make sure we wait for deletion for all versions before continue with any test.
@sttts @liggitt
Fixes#64571
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apiextensions: fix concurrent map access copying items' ObjectMeta in UnstructuredList
The list endpoint sets the self-link. If we do not create a (shallow) copy of ObjectMeta this will mutate the cached objects.
Background: native objects like PodList have a `Items []Pod` field which implicitly shallow-copies ObjectMeta. UnstructuredList only shallow-copies Unstructured, but shares all the JSON data including ObjectMeta, i.e. the Object pointer points to the value in the cache.
Fixes https://github.com/kubernetes/kubernetes/issues/59478
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Make kubernetes json serializer case sensitive
This PR imported the latest jsoniterator library so that case sensitivity during unmarhsaling is optional. The PR also set Kubernetes json serializer to be case sensitive.
Kubernetes json serializer had been case sensitive for 1.1-1.7 as we were using ugorji. This PR restores the behavior.
Fix#64612.
```release-notes
Kubernetes json deserializer is now case-sensitive as it was before 1.8.
If your config files contains fields with wrong case, the config files will be now invalid.
```
If we create a new key on each CSR, if CSR fails the next attempt will
create a new one instead of reusing previous CSR.
If approver/signer don't handle CSRs as quickly as new nodes come up,
they can pile up and approver would keep handling old abandoned CSRs and
Nodes would keep timing out on startup.
A mutating admission controller webhook doesn't remove object fields
when instructed to.
E.g. when the JSON patch
[
{"op": "remove", "path": "/spec/containers/0/resources/limits/fpga-arria10"},
{"op": "add", "path": "/spec/containers/0/resources/limits/fpga-interface-id-524abcf", "value": 1}
]
is applied to this pod
apiVersion: v1
kind: Pod
metadata:
name: test-pod
spec:
restartPolicy: Never
containers:
-
name: test-pod-container
image: ubuntu:bionic
imagePullPolicy: IfNotPresent
command: [ "ls", "-l", "/" ]
resources:
limits:
fpga-arria10: 1
in order to replace the resource name "fpga-arria10" with something understandable
by the device plugin the resulting pod spec still contains the old field plus
a new one. The resulting pod looks like
apiVersion: v1
kind: Pod
metadata:
name: test-pod
spec:
restartPolicy: Never
containers:
-
name: test-pod-container
image: ubuntu:bionic
imagePullPolicy: IfNotPresent
command: [ "ls", "-l", "/" ]
resources:
limits:
fpga-arria10: 1
fpga-interface-id-524abcf: 1
The patch unmarshals patched JSON into a new empty object instead of
existing one. Otherwise JSON unmarshaling reuses existing maps, keeping
existing entries as specified in the "encoding/json" standard package.
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Add Vertical Pod Autoscaler to autoscaling/v2beta1
**What this PR does / why we need it**:
Adds Vertical Pod Autoscaler (https://github.com/kubernetes/community/blob/master/contributors/design-proposals/autoscaling/vertical-pod-autoscaler.md) to the autoscaling API (which currently has the Horizontal Pod Autoscaler).
This is needed for the Vertical Pod Autoscaler beta.
**Special notes for your reviewer**:
/cc @thockin @mwielgus @DirectXMan12
FYI. changes that add pkg/registry/autoscaling/verticalpodautoscaler/... will follow.
**Release note**:
```Add Vertical Pod Autoscaler to autoscaling/v2beta1.```
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Promote sysctl annotations to fields
#
**What this PR does / why we need it**:
Promoting experimental sysctl feature from annotations to API fields.
**Special notes for your reviewer**:
Following sysctl KEP: https://github.com/kubernetes/community/pull/2093
**Release note**:
```release-note
The Sysctls experimental feature has been promoted to beta (enabled by default via the `Sysctls` feature flag). PodSecurityPolicy and Pod objects now have fields for specifying and controlling sysctls. Alpha sysctl annotations will be ignored by 1.11+ kubelets. All alpha sysctl annotations in existing deployments must be converted to API fields to be effective.
```
**TODO**:
* [x] - Promote sysctl annotation in Pod spec
* [x] - Promote sysctl annotation in PodSecuritySpec spec
* [x] - Feature gate the sysctl
* [x] - Promote from alpha to beta
* [x] - docs PR - https://github.com/kubernetes/website/pull/8804
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apiextensions: allow Description at root with status subresource
Allows `Description` at the root of the schema when the status subresource is enabled.
**Release note**:
I'll update the original PR, which allowed `Required`, to de-duplicate the release notes.
```release-note
NONE
```
/assign sttts
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Upgrade container-storage-interface/spec dependency to v0.3.0
Also updated golang/protobuf to v1.1.0 to satisfy hard requirement of new CSI Spec version
/sig storage
/kind enhancement
/assign @saad-ali
```release-note
Updated Container Storage Interface specification version to v0.3.0
```
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Add support for enforcing read only host paths in PSPs.
**What this PR does / why we need it**:
This PR adds support for the PSP to enforce that host paths are readonly.
**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#57371
xref https://github.com/kubernetes/features/issues/5
**Special notes for your reviewer**:
**Release note**:
```release-note
PodSecurityPolicy now supports restricting hostPath volume mounts to be readOnly and under specific path prefixes
```
/cc @ericchiang @liggitt
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client-go: promote exec plugin support to beta
/sig auth
/kind feature
Adds a "v1beta1" API group for client authentication. Because of a lack of usage with the input parameters, these have been dropped for the beta. Would like to re-introduce them as users feel they require them.
updates https://github.com/kubernetes/kubernetes/issues/61796
```release-note
client-go: credential exec plugins have been promoted to beta
```
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Introduce priority class in the resource quota
**What this PR does / why we need it**:
Implements https://github.com/kubernetes/community/pull/933
**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#48648
**Special notes for your reviewer**:
Test Cases are still to be covered. Opening this PR to make discussion convenient with code references.
Will update test cases only after design PR has got merged.
**Release note**:
```release-note
Ability to quota resources by priority
```
/kind feature
/priority important-soon
/sig scheduling
/sig node
/cc @resouer @derekwaynecarr @sjenning @bsalamat @timstclair @aveshagarwal @ravisantoshgudimetla
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Instrument envelop transformer.
**What this PR does / why we need it**:
Add metrics for envelope transformer:
transformation_operation_count
transformation_failures_count
envelope_transformation_cache_misses_count
data_key_generation_latencies_microseconds
data_key_generation_failures_count
**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
```
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apiextensions: add ObjectMeta validation and pruning
This is a critical pre-requisite for further multi-version support and especially for GA of CRDs: ObjectMeta must be schema-validated and pruned, like `json.Unmarshal` does this.
This PR adds this in the incoming request serializer and the storage decoder. The former errors when schema validation fails, the later just drops invalid typed fields.
Fixes#59451
```release-note
Meta data of CustomResources is now pruned and schema checked during deserialization of requests and when read from etcd. In the former case, invalid meta data is rejected, in the later it is dropped from the CustomResource objects.
```
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apimachinery: adapt ObjectConvertor invariant
We avoid deepcopies in the codec/conversion stack by re-using data structures. This means that the out object of a conversion must be deepcopied before mutation in order to not mutate the in object as well.
This guarantees that e.g. runtime.Encode (which uses conversion from internal -> versioned) does not mutate the input. This would be highly unexpected (and we do not mention possible mutation of the input for runtime.Encode).
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printers: fix json types – int64 is only allowed integer
We have the invariant in apimachinery that all integers in JSON are int64. We panic on other types on deepcopy and possibly at other occasions.
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Openapi some cleanup
Clean-up some OpenAPI code, mostly test related (there are two implementations of "Fake").
This is going for master, but I'll probably also cherry-pick/create a similar PR for feature-serverside-apply branch since we'll need that to move some code around.
**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
NONE
```
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kubeadm: Refactor the Bootstrap Tokens usage in the API types
**What this PR does / why we need it**:
This PR:
- Moves some common, generic Bootstrap Token helpers and constants from `k8s.io/kubernetes/cmd/kubeadm/app/util/token` to `k8s.io/client-go/tools/bootstrap/token/`
- Breaks out the top-level Bootstrap Token fields to a dedicated `BootstrapToken` struct with helper functions.
- Instead of representing the Bootstrap Token as a plain `string`, there is now a wrapper struct `BootstrapTokenString` that can marshal/unmarshal correctly and supports validation on create, and splitting up the full token in the ID/Secret parts automatically.
- Makes kubeadm support multiple Bootstrap Tokens automatically by supporting a slice of `BootstrapToken` in the `MasterConfiguration` API object
- Consolidates the place for kubeadm to create token-related flags in an `options` package
- Supports automatic conversion from the `v1alpha1` to `v1alpha2` API
- Adds support to set token expiration directly instead of setting a TTL (Expiration and TTL are mutually exclusive)
- Removes the old `TokenDiscovery` struct we're not using anymore inside of kubeadm
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Related to https://github.com/kubernetes/community/pull/2131
**Special notes for your reviewer**:
This is work in progress. Please only review the first two commits for now.
I will work on splitting up this PR in smaller chunks.
I will also write unit tests tomorrow.
**Release note**:
```release-note
[action required] kubeadm: The Token-related fields in the `MasterConfiguration` object have now been refactored. Instead of the top-level `.Token`, `.TokenTTL`, `.TokenUsages`, `.TokenGroups` fields, there is now a `BootstrapTokens` slice of `BootstrapToken` objects that support the same features under the `.Token`, `.TTL`, `.Usages`, `.Groups` fields.
```
@kubernetes/sig-cluster-lifecycle-pr-reviews @mattmoyer @liztio
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Deprecate the in-tree keystone plugin
**What this PR does / why we need it**:
We now have the `client-keystone-auth` in cloud-provider-openstack
repository:
https://github.com/kubernetes/cloud-provider-openstack/blob/master/docs/using-client-keystone-auth.md
So let's drop the in-tree one, so we can remove it in 1.12
**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
in-tree support for openstack credentials is now deprecated. please use the "client-keystone-auth" from the cloud-provider-openstack repository. details on how to use this new capability is documented here - https://github.com/kubernetes/cloud-provider-openstack/blob/master/docs/using-client-keystone-auth.md
```
We avoid deepcopies in the codec/conversion stack by re-using data structures.
This means that the out object of a conversion must be deepcopied before mutation
in order to not mutate the in object as well.
This guarantees that e.g. runtime.Encode (which uses conversion from internal -> versioned)
does not mutate the input. This would be highly unexpected (and we do not mention possible
mutation of the input for runtime.Encode).
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 PST to main SECURITY_CONTACTS as formality
Add the Product Security Team as the security contacts for the main
repository and they can use the OWNERS files in each subsystem/dir to find
the correct owners.
cc @liggitt @cjcullen @tallclair @philips
```release-note
NONE
```
closes#64265
Signed-off-by: Jess Frazelle <acidburn@microsoft.com>
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code-gen: support running from anywhere
**What this PR does / why we need it**:
Support running generate-groups.sh from any directory, so users can run
it from their own projects, instead of forcing them to run it from here.
This allows the generators to find and use go source code from a
project's vendor directory, for example.
**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#64566
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Update pod phase documentation
This is documentation that should be visible directly when a user runs `kubectl explain pod.status`.
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Support dynamiclly set glog.logging.verbosity
Support dynamically set glog logging level, which is convenient for debug.
**Release note**:
```release-note
Expose `/debug/flags/v` to allow dynamically set glog logging level, if want to change glog level to 3, you only have to send a PUT request with like `curl -X PUT http://127.0.0.1:8080/debug/flags/v -d "3"`.
```
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core v1: deprecate the gitRepo volume type
gitRepo stopped accepting new features nearly 2 years ago https://github.com/kubernetes/kubernetes/issues/17676#issuecomment-228650586 and today this behavior can easily be achieved through an init container. The kubelet shelling out to git in the host namespace can also be a security issue on un-trusted repos, as was demonstrated by [CVE-2017-1000117](https://groups.google.com/forum/#!topic/kubernetes-announce/CTLXJ74cu8M). Our own documentation even alludes to this volume type being removed in the future:
> In the future, such volumes may be moved to an even more decoupled model, rather than extending the Kubernetes API for every such use case.
https://kubernetes.io/docs/concepts/storage/volumes/#gitrepo
Closes https://github.com/kubernetes/kubernetes/issues/60999
```release-note-action-required
The GitRepo volume type is deprecated. To provision a container with a git repo, mount an EmptyDir into an InitContainer that clones the repo using git, then mount the EmptyDir into the Pod's container.
```
/release-note-action-required
Instead of this:
```yaml
apiVersion: v1
kind: Pod
metadata:
name: server
spec:
containers:
- image: nginx
name: nginx
volumeMounts:
- mountPath: /mypath
name: git-volume
volumes:
- name: git-volume
gitRepo:
repository: "git@somewhere:me/my-git-repository.git"
revision: "22f1d8406d464b0c0874075539c1f2e96c253775"
```
Do this:
```yaml
apiVersion: v1
kind: ConfigMap
metadata:
name: git-clone
data:
git-clone.sh: |
#!/bin/sh -e
git clone $1 $3
cd $3
git reset --hard $2
---
apiVersion: v1
kind: Pod
metadata:
name: server
spec:
initContainers:
- name: git-clone
image: alpine/git # Any image with git will do
command:
- /usr/local/git/git-clone.sh
args:
- "https://somewhere/me/my-git-repository.git"
- "22f1d8406d464b0c0874075539c1f2e96c253775"
- "/mypath"
volumeMounts:
- name: git-clone
mountPath: /usr/local/git
- name: git-repo
mountPath: /mypath
containers:
- image: nginx
name: nginx
volumeMounts:
- mountPath: /mypath
name: git-volume
volumes:
- name: git-volume
emptyDir: {}
- name: git-clone
configMap:
name: git-clone
defaultMode: 0755
```
Support running generate-groups.sh from any directory, so users can run
it from their own projects, instead of forcing them to run it from here.
This allows the generators to find and use go source code from a
project's vendor directory, for example.
Signed-off-by: Andy Goldstein <andy.goldstein@gmail.com>
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apiserver: update tests to use sub-benchmarks (aes_test.go)
**What this PR does / why we need it**:
Go 1.7 added the subtest feature which can make table-driven tests much easier to run and debug. Some tests are not using this feature.
Further reading: [Using Subtests and Sub-benchmarks](https://blog.golang.org/subtests)
/kind cleanup
**Release note**:
```release-note
NONE
```
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services must listen on port 443 for aggregation
If a clusterIP service isn't listening on port 443, don't mark it as available.
@mfojtik you've got an issue, right?
@kubernetes/sig-api-machinery-bugs
/assign @sttts
/kind bug
```release-note
NONE
```
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Remove some unnecessarily gendered pronouns in comments
**What this PR does / why we need it**:
A bunch of comments are unnecessarily gendered. I've changed them to gender-neutral they/theirs.
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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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.
```
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fix persist typo
I wonder this pr should pull to kubernetes/kubernetes or kubernetes/client-go ?
```
NONE
```
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Possible cipher suites values and tls versions in help for apiserver and kubelet
**What this PR does / why we need it**:
Addresses a suggestion made by @lavalamp to list the possible TLS cipher suites in the kubelet and apiserver helps: https://github.com/kubernetes/kubernetes/pull/48859#discussion_r162413223
**Which issue(s) this PR fixes**
NONE
**Special notes for your reviewer**:
This pull request only adds to the help message the possible values of the TLS Cipher suites for Kubelet and api server.
It is an addition to the already merged PR https://github.com/kubernetes/kubernetes/pull/48859
The help output looks like this:
```
--tls-cert-file string File containing the default x509 Certificate for HTTPS. (CA cert, if any, concatenated after server cert). If HTTPS serving is enabled, and --tls-cert-file and --tls-private-key-file are not provided, a self-signed certificate and key are generated for the public address and saved to the directory specified by --cert-dir.
--tls-cipher-suites strings Comma-separated list of cipher suites for the server. Values are from tls package constants (https://golang.org/pkg/crypto/tls/#pkg-constants). If omitted, the default Go cipher suites will be use. Possible values: TLS_ECDHE_ECDSA_WITH_RC4_128_SHA,TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,TLS_RSA_WITH_RC4_128_SHA,TLS_RSA_WITH_AES_256_CBC_SHA,TLS_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_RSA_WITH_3DES_EDE_CBC_SHA,TLS_RSA_WITH_AES_128_CBC_SHA,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_RSA_WITH_AES_128_CBC_SHA256,TLS_ECDHE_RSA_WITH_RC4_128_SHA,TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
--tls-min-version string Minimum TLS version supported. Value must match version names from https://golang.org/pkg/crypto/tls/#pkg-constants.
--tls-private-key-file string File containing the default x509 private key matching --tls-cert-file.
```
**Release note**:
```release-note
NONE
```
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Add metadata to kubelet eviction event annotations
**What this PR does / why we need it**:
Add annotations to kubelet eviction events. Annotations include
"offending_containers" : comma-seperated list of containers.
"offending_containers_usage": comma-seperated list of usage.
"starved_resource": v1.ResourceName of the starved resource
**Special notes for your reviewer**:
Adding annotations to events required changing the `EventRecorder` interface to add a `AnnotatedEventf` function, which can add annotations to an event.
**Release note**:
```release-note
NONE
```
/assign @dchen1107
cc @mwielgus @schylek @kgrygiel
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client-go: start fresh with owner file
After client-go's OWNER file has grown to 50ish many reviewers, It's time to start fresh and re-add those who really want to review. Please don't be shy to come forward if you want to stay on that list. I will re-add you.
Currently when LoopbackHostPort() is called with 0.0.0.0 and [::] it returns the first loopback
address returned from net.InterfaceAddrs() which is typically 127.0.0.1 (golang does not
specify an order that interfaces are returned). It would be more appropriate if when calling
LoopbackHostPort() with [::] that an IPv6 loopback address is returned, this prevents some cert.
generation failures.
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HandleError include the type of the error object
**What this PR does / why we need it**:
/kind feature
HandleError include the type of the error object
**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#64244
**Special notes for your reviewer**:
/cc @MikeSpreitzer
**Release note**:
```release-note
NONE
```
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Add conversion to properly parse query parameter propagationPolicy
**What this PR does / why we need it**:
This delete request query parameter has been broken for a year. I'm not sure if we want to deprecate the non-standard DeleteOptions body on delete request eventually.
**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#43329
**Special notes for your reviewer**:
**Release note**:
```release-note
API server properly parses propagationPolicy as a query parameter sent with a delete request
```
/sig api-machinery
Kubernetes Submit Queue