Automatic merge from submit-queue
Use json-iterator instead of ugorji for JSON.
@smarterclayton @wojtek-t
Fixes#36120
xref #18762
```release-note
Switch JSON marshal/unmarshal to json-iterator library. Performance should be close to previous with no generated code.
```
Kubernetes-commit: 6a845c67f097cd76f9d90ab3c9c5b5603c70afe4
Automatic merge from submit-queue (batch tested with PRs 50719, 51216, 50212, 51408, 51381)
Surface reasonable error when connection closed
Try to detect connection closure when API server closed the connection due to timeout.
Surface reasonable error when connection closed.
Further improvement may be retrying when detect connection closure
related to #51353
```release-note
Surface reasonable error when client detects connection closed.
```
/assign @mml @caesarxuchao
Kubernetes-commit: 1a3a0713b218566be951fabd5d87184c2e240329
Automatic merge from submit-queue (batch tested with PRs 51480, 49616, 50123, 50846, 50404)
Kubectl to use http caching to cache openapi responses from the server
**What this PR does / why we need it**:
This PR is trying to address the problems raised in #50254
> * uses a disk-based cache that is not safe between processes (does not use atomic fs operations)
> * writes get/list responses to disk that should not be cached (like kubectl get secrets)
> * is vulnerable to partially written cache responses being used as responses to future requests
> * breaks uses of the client transport that make use of websockets
> * defaults to enabling the cache for any client builder using RecommendedConfigOverrideFlags or DefaultClientConfig which affects more components than just kubectl
All of these points are addressed by this pull-request:
1. It now uses atomic fs operations
2. Doesn't cache by default, only if requested by the client (and it's only done by openapi client)
3. Fixed because of atomic fs operations
4. Found the reason for the bug: Cache wrapper couldn't be unwrapped. I implemented the `WrappedRoundTripper` interface.
5. Since 2. is fixed, I think that should be fine
@smarterclayton @liggitt
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#50254
**Special notes for your reviewer**:
**Release note**:
```release-note
Allows kubectl to use http caching mechanism for the OpenAPI schema. The cache directory can be configured through `--cache-dir` command line flag to kubectl. If set to empty string, caching will be disabled.
```
Kubernetes-commit: 0f2c2bd847ca7a66035b2289e83359ef4c923617
Automatic merge from submit-queue
client-go: Make conditionalTransport a WrapperRoundTripper
**What this PR does / why we need it**:
Fixes broken GKE test: https://k8s-gubernator.appspot.com/builds/kubernetes-jenkins/logs/ci-kubernetes-e2e-gke/
**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
NONE
```
Kubernetes-commit: a9cceacdaea72d505d8827521f70123c8c2bbd73
Automatic merge from submit-queue (batch tested with PRs 51134, 51122, 50562, 50971, 51327)
Call the right cleanup function
**What this PR does / why we need it**:
`defer cleanup()` will always call the function that was returned by the first call to `r.resyncChan()` but it should call the one returned by the last call.
**Special notes for your reviewer**:
This will print `c1`, not `c2`. See https://play.golang.org/p/FDjDbUxOvI
```go
func main() {
var c func()
c = c1
defer c()
c = c2
}
func c1 () {
fmt.Println("c1")
}
func c2 () {
fmt.Println("c2")
}
```
**Release note**:
```release-note
NONE
```
/kind bug
/sig api-machinery
Kubernetes-commit: ccae631ff9d82e302631fc7f1965a09c4e1e9f56
Automatic merge from submit-queue (batch tested with PRs 51193, 51154, 42689, 51189, 51200)
Bumped gRPC version to 1.3.0
**What this PR does / why we need it**:
This PR bumps down the version of the vendored version of gRPC from v1.5.1 to v1.3.0
This is needed as part of the Device Plugin API where we expect client and server to use the Keep alive feature in order to detect an error.
Unfortunately I had to also bump the version of `golang.org/x/text` and `golang.org/x/net`.
- Design document: kubernetes/community#695
- PR tracking: [kubernetes/features#368](https://github.com/kubernetes/features/issues/368#issuecomment-321625420)
**Which issue this PR fixes**: fixes#51099
Which was caused by my previous PR updating to 1.5.1
**Special notes for your reviewer**:
@vishh @jiayingz @shyamjvs
**Release note**:
```
Bumped gRPC to v1.3.0
```
Kubernetes-commit: 5fb38a325efb343c2a0467a12732829bd5ed3c3c
Automatic merge from submit-queue (batch tested with PRs 50531, 50853, 49976, 50939, 50607)
Updated gRPC vendoring to support Keep Alive
**What this PR does / why we need it**:
This PR bumps the version of the vendored version of gRPC from v1.0.4 to v1.5.1
This is needed as part of the Device Plugin API where we expect client and server to use the Keep alive feature in order to detect an error.
Unfortunately I had to also bump the version of `golang.org/x/text` and `golang.org/x/net`.
- Design document: kubernetes/community#695
- PR tracking: [kubernetes/features#368](https://github.com/kubernetes/features/issues/368#issuecomment-321625420)
**Special notes for your reviewer**:
@vishh @jiayingz
**Release note**:
```
Bumped gRPC from v1.0.4 to v1.5.1
```
Kubernetes-commit: 967c19df4916160d4d4fbd9a65bad41a53992de8
Automatic merge from submit-queue (batch tested with PRs 50693, 50831, 47506, 49119, 50871)
Added lister expansions for DaemonSet, Deployment, ReplicaSet, and StatefulSet for apps/v1beta2
**What this PR does / why we need it**:
This PR copies list expansions for `DaemonSet`, `Deployment`, `ReplicaSet`, and `StatefulSet` to `apps/v1beta2` from `extensions/v1beta1` and `apps/v1beta1`.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#50870.
**Special notes for your reviewer**:
@kow3ns @janetkuo
**Release note**:
```release-note
NONE
```
Kubernetes-commit: 5c03d3759d7a9065b0b67b1cfb4bc8ee095cd639
Automatic merge from submit-queue (batch tested with PRs 47896, 50678, 50620, 50631, 51005)
kubeadm: Adds dry-run support for kubeadm using the `--dry-run` option
**What this PR does / why we need it**:
Adds dry-run support to kubeadm by creating a fake clientset that can get totally fake values (like in the init case), or delegate GETs/LISTs to a real API server but discard all edits like POST/PUT/PATCH/DELETE
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
fixes: https://github.com/kubernetes/kubeadm/issues/389
**Special notes for your reviewer**:
This PR depends on https://github.com/kubernetes/kubernetes/pull/50626, first three commits are from there
This PR is a dependency for https://github.com/kubernetes/kubernetes/pull/48899 (kubeadm upgrades)
I have some small things to fixup and I'll yet write unit tests, but PTAL if you think this is going in the right direction
**Release note**:
```release-note
kubeadm: Adds dry-run support for kubeadm using the `--dry-run` option
```
cc @kubernetes/sig-cluster-lifecycle-pr-reviews @kubernetes/sig-api-machinery-pr-reviews
Kubernetes-commit: d852b8aad9397f530967b2b310a87966eb8b7e87
Automatic merge from submit-queue (batch tested with PRs 46512, 50146)
Make metav1.(Micro)?Time functions take pointers
Is there any reason for those functions not to be on pointers?
Kubernetes-commit: b59ad9cbfff866093a6c0ee26c3562e9ec9133e4
Automatic merge from submit-queue (batch tested with PRs 50563, 50698, 50796)
Add ControllerRevision to apps/v1beta2
**What this PR does / why we need it**:
This PR added `ControllerRevision` currently in `apps/v1beta1` to `apps/v1beta2`.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#50696.
**Special notes for your reviewer**:
@kow3ns @janetkuo
**Release note**:
```release-note
Add ControllerRevision to apps/v1beta2
```
Kubernetes-commit: 9d302ecffae53962d012659ef048c11b37de0ee6
Automatic merge from submit-queue
Promote CronJobs to batch/v1beta1 - just the API
This PR promotes CronJobs to beta.
@erictune @kubernetes/sig-apps-api-reviews @kubernetes/api-approvers ptal
This builds on top of #41890 and needs #40932 as well
```release-note
Promote CronJobs to batch/v1beta1.
```
Kubernetes-commit: 4032896ef17dd8346b597c38ba66e0d9eb1547a3
Automatic merge from submit-queue (batch tested with PRs 50711, 50742, 50204)
Move List (the type) into metav1 but preserve the exposed type
Make a list something that other components can use without depending on the core API. This does not change the public API exposure of `List` (it is still in `v1`) but makes the interface common across both.
Kubernetes-commit: 49ed2a3115d33a78291c92b3ffda5acbe59e6d4a
Automatic merge from submit-queue (batch tested with PRs 50023, 50639)
Extend SetHeader Requests method ito accept multiple values
This allows to set headers that are multivalued directly.
The headers variable is not directly accessible and currently
SetHeaders allows to set only one value.
```release-note
NONE
```
Kubernetes-commit: 039f898c07a643d6ef244fcb65daff5a53de41c8
Automatic merge from submit-queue
move retry to client-go
Move `k8s.io/kubernetes/pkg/client/retry` to `k8s.io/client-go/util/retry`.
Part of a series of PRs to address kubernetes/community#598
```release-note
NONE
```
Kubernetes-commit: 37ab30f24ccac3105c4570e865e11ddc3ddcb1c9
