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Client-go raises error on duplicated name in kubeconfig
(for NamedCluster, NamedContext, NamedUser, NamedExtension)
**What this PR does / why we need it**:
Client should detect duplicated name when loading `name-value` based lists in kubeconfig: `users`, `clusters`, `contexts`. Currently if there are multiple value with same name, `client-python` will pick the first one, while `client-go` will pick the last.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
ref: kubernetes-client/python#445, kubernetes-client/python-base#47
**Special notes for your reviewer**:
**Release note**:
```release-note
kubectl and client-go now detects duplicated name for user, cluster and context when loading kubeconfig and reports error
```
/sig api-machinery
cc @brendandburns @mbohlool
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Check nodeInfo before ecache predicate
**What this PR does / why we need it**:
There's chances during test when nodeInfo is nil which may cause ecache predicate fail with nil pointer.
**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#63427
**Special notes for your reviewer**:
Not sure how to reproduce the original issue yet. i.e. why and when `nodeInfo` will become nil in tests is not clear to me, that's why I label it as WIP.
cc @bsalamat who may have more inputs.
**Release note**:
```release-note
NONE
```
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fix event ref determination for apigroups
The event ref determination was never updated to handle apigroups so it has been returning only a group (not a version).
@kubernetes/sig-apps-bugs
```release-note
event object references with apiversion will now report an apiversion.
```
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apiextensions: promote CustomResourcesSubresources to beta
Fixes#62786
This PR promotes the CustomResourcesSubResources feature to beta and makes it enabled by default.
**Release note**:
```release-note
Subresources for custom resources is now beta and enabled by default. With this, updates to the `/status` subresource will disallow updates to all fields other than `.status` (not just `.spec` and `.metadata` as before). Also, `required` can be used at the root of the CRD OpenAPI validation schema when the `/status` subresource is enabled.
```
/assign sttts deads2k
/sig api-machinery
/area custom-resources
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Tolarate negative values when calculating job scale progress
**What this PR does / why we need it**:
It might happen that the job controller will complete a job, but the status will still contain information about active pods which during scale down operation will be giving false (non 0) value in [this calculation](1b950d1e8e/pkg/kubectl/cmd/scalejob/scalejob.go (L147)). To prevent that situation we should tolerate non-zero values there.
/assign @liggitt
**Release note**:
```release-note
NONE
```
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sort on non-tabular output
**Release note**:
```release-note
NONE
```
Enables sorting objects when printing as json, yaml, etc.
cc @soltysh
Automatic merge from submit-queue (batch tested with PRs 63770, 63776, 64001, 64028, 63984). 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>.
use subtest for table units (pkg/printers)
**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. Many table-driven tests in pkg/kubectl are not using this feature.
/kind cleanup
Further reading: [Using Subtests and Sub-benchmarks](https://blog.golang.org/subtests)
**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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uses a more resilient way to get branch name from version
**What this PR does / why we need it**:
Currently `getBranchFromVersion` uses a hard coded way to extract branch name from the version string. This is error prone, especially when bumping the minimum supported k8s version from v1.9 to v1.10.
This follow-up PR tries to use a more resilient way to handle 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)*:
xref #63920
**Special notes for your reviewer**:
/cc luxas timothysc
**Release note**:
```release-note
None
```
Automatic merge from submit-queue (batch tested with PRs 60012, 63692, 63977, 63960, 64008). 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 SkippedPaths
Bazel walks through the Kubernetes repo to add vendor targets for OpenAPI generation. `SkippedPaths` is used to skip the paths such as `_examples`. However, it doesn't work as desired, because it matches for `_` at the beginning of the path, so paths like `vendor\..\_example` are picked up by the generator. This PR fixes 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)*:
Fixes failing bazel tests in #55472
```release-note
NONE
```
/cc @sttts
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pkg: kubelet: remote: increase grpc client default size
Signed-off-by: Antonio Murdaca <runcom@redhat.com>
**What this PR does / why we need it**:
when running lots and lots of containers and having tons of images on a given node, we started seeing this in the logs (with docker):
```
Unable to retrieve pods: rpc error: code = ResourceExhausted desc = grpc: received message larger than max (4208374 vs. 4194304)
```
That's because the grpc client is defaulting to a 4MB response size.
This patch increases the resp size to 8MB to avoid such issue.
**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
increase grpc client default response size
```
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Only override objects from informer when version has increased.
**What this PR does / why we need it**:
We don't want an informer resync to override assumed volumes if the version has not increased.
**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#63467
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 60012, 63692, 63977, 63960, 64008). 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>.
Use Dial with context
**What this PR does / why we need it**:
`net/http/Transport.Dial` field is deprecated:
```go
// DialContext specifies the dial function for creating unencrypted TCP connections.
// If DialContext is nil (and the deprecated Dial below is also nil),
// then the transport dials using package net.
DialContext func(ctx context.Context, network, addr string) (net.Conn, error)
// Dial specifies the dial function for creating unencrypted TCP connections.
//
// Deprecated: Use DialContext instead, which allows the transport
// to cancel dials as soon as they are no longer needed.
// If both are set, DialContext takes priority.
Dial func(network, addr string) (net.Conn, error)
```
This PR switches all `Dial` usages to `DialContext`. Fixes#63455.
**Special notes for your reviewer**:
Also related: https://github.com/kubernetes/kubernetes/pull/59287https://github.com/kubernetes/kubernetes/pull/58532https://github.com/kubernetes/kubernetes/issues/815https://github.com/kubernetes/community/pull/1166https://github.com/kubernetes/kubernetes/pull/58677https://github.com/kubernetes/kubernetes/pull/57932
**Release note**:
```release-note
HTTP transport now uses `context.Context` to cancel dial operations. k8s.io/client-go/transport/Config struct has been updated to accept a function with a `context.Context` parameter. This is a breaking change if you use this field in your code.
```
/sig api-machinery
/kind enhancement
/cc @sttts
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Allow for system metrics discovery in Custom Metrics - Stackdriver Adapter test
**What this PR does / why we need it**:
Allow for system metrics discovery in Custom Metrics - Stackdriver Adapter test
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 63969, 63902, 63689, 63973, 63978). 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 dependency on pkg/client/clientset_generated/internalclientset
**What this PR does / why we need it**:
This PR removes dependency in kubeadm on `pkg/client/clientset_generated/internalclientset` and blacklists it in `.import-restrictions`.
The above package is pulled in transitively by the usage of the following:
- [GetFlagString](a481f4bbe8/cmd/kubeadm/app/cmd/version.go (L63)) from `k8s.io/kubernetes/pkg/kubectl/cmd/util`
- [LeaseEndpointReconcilerType](a481f4bbe8/cmd/kubeadm/app/phases/controlplane/manifests.go (L205)) from `k8s.io/kubernetes/pkg/master/reconcilers`
Dropping the unneeded dependencies from the build shaves off 4-5MB from the amd64 executable and reduces the dependency hell in 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)*:
Fixeskubernetes/kubeadm#806
**Special notes for your reviewer**:
/cc @kubernetes/sig-cluster-lifecycle-pr-reviews
/area kubeadm
/assign @luxas
/assign @timothysc
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 63969, 63902, 63689, 63973, 63978). 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>.
Reuse existing CA cert path for kubelet certs
**What this PR does / why we need it**: configure-helper.sh already knows the path to CA cert, re-use that to avoid typos.
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 63969, 63902, 63689, 63973, 63978). 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>.
Adds a mechanism in vSphere Cloud Provider to get credentials from Kubernetes secrets
**What this PR does / why we need it**:
Currently, vCenter credentials are stored in plain text in vsphere.conf. This PR adds a mechanism in vSphere Cloud Provider to get vCenter credentials from Kubernetes secrets.
**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**:
Internally review here: https://github.com/vmware/kubernetes/pull/484
**Workflow:**
1. Create vsphere.conf file with ```secret-name``` and ```secret-namespace```.
```
[Global]
insecure-flag = 1
secret-name = "vcconf"
secret-namespace = "kube-system"
[VirtualCenter "10.160.45.119"]
port = 443
datacenters = k8s-dc-1
[Workspace]
server = 10.160.45.119
datacenter = k8s-dc-1
default-datastore = sharedVMFS-0
folder = Discovered virtual machine
```
2. Launch Kubernetes cluster with vSphere Cloud Provider Configured.
3. Create secret with vCenter credentials.
a. Create base64 encoding for username and password:
username:
```
> echo -n 'admin' | base64
YWRtaW4=
```
password:
```
> echo -n 'vsphere' | base64
dnNwaGVyZQ==
```
b. kubectl create -f vccredentials.yaml
```
#vccredentials.yaml
apiVersion: v1
kind: Secret
metadata:
name: vcconf
type: Opaque
data:
10.192.44.199.username: YWRtaW4=
10.192.44.199.password: dnNwaGVyZQ==
```
4. vSphere Cloud Provider can be used now.
**Note:**
Secrets info can be provided with both (old and new) vSphere Cloud provider configuration formats.
**Tests Done:**
- [x] vSphere Cloud Provider unit test.
- [x] Volume lifecyle with Username and Password in vsphere.conf (for backward compability)
- [x] Volume lifecyle with secrets information in vsphere.conf.
- [x] Update secrets workflow
**Release note**:
```release-note
Adds a mechanism in vSphere Cloud Provider to get credentials from Kubernetes secrets
```
Automatic merge from submit-queue (batch tested with PRs 63969, 63902, 63689, 63973, 63978). 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 'kubeadm config print-default' command
**What this PR does / why we need it**:
Improves the UX around creating config files.
**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 https://github.com/kubernetes/kubeadm/issues/829
**Special notes for your reviewer**:
**Release note**:
```release-note
kubeadm: A `kubeadm config print-default` command has now been added that you can use as a starting point when writing your own kubeadm configuration files
```
@kubernetes/sig-cluster-lifecycle-pr-reviews @liztio
I found these functions hard to understand, because the names did not
accurately reflect their behavior. For example, GetKubeletMetrics
assumed that all of the metrics passed in were measuring latency.
The caller of GetKubeletMetrics was implicitly making this assumption,
but it was not obvious at the call site.
Automatic merge from submit-queue (batch tested with PRs 63569, 63918, 63980, 63295, 63989). 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 provider: add wrapper for security policy
**What this PR does / why we need it**:
Generated mock interface for beta backend service and security policy as well.
**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**:
/assign @nicksardo
**Release note**:
```release-note
NONE
```
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Fixed CSI volume detach when the volume is already detached.
**What this PR does / why we need it**:
"VolumeAttachment NotFound" error should be treated as successful detach.
/sig storage
/assign @vladimirvivien @saad-ali
**Special notes for your reviewer**:
Note that the PR changes just 4 lines in attachment code, the rest is unit test refactoring to inject fake errors.
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 63569, 63918, 63980, 63295, 63989). 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 - fix upgrades with static pod etcd
**What this PR does / why we need it**:
This PR fixes a regression introduced by https://github.com/kubernetes/kubernetes/pull/63495 which broke kubeadm upgrades for installations using a static pod etcd.
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 63569, 63918, 63980, 63295, 63989). 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>.
New event exporter config with support for new stackdriver resources
New event exporter, with support for use new and old stackdriver resource model.
This should also be cherry-picked to release-1.10 branch, as all fluentd-gcp components support new and stackdriver resource model.
```release-note
Update event-exporter to version v0.2.0 that supports old (gke_container/gce_instance) and new (k8s_container/k8s_node/k8s_pod) stackdriver resources.
```
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fix a small mistake in function getFieldMeta
**What this PR does / why we need it**:
fix a small mistake in function getFieldMeta
**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**:
```
if e, found := ext["x-kubernetes-patch-strategy"]; found {
strategy, ok := e.(string)
if !ok {
return apply.FieldMetaImpl{}, fmt.Errorf("Expected string for x-kubernetes-patch-strategy by got %T", s)
}
}
```
According the judgment above, I think we should print the type of e.
**Release note**:
```release-note
NONE
```
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Fix e2e "When checkpoint file is corrupted should complete pod sandbo…
…x clean up"
**What this PR does / why we need it**:
This PR fixes the e2e-node test, "When checkpoint file is corrupted should complete pod sandbox clean up"
**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#62738
Related #62937
**Special notes for your reviewer**:
**Release note**:
```release-note
None
```
/cc @dashpole @derekwaynecarr
/sig node
kubeadm uses LeaseEndpointReconcilerType as import from
k8s.io/kubernetes/pkg/master/reconcilers. However, this pull a huge
load of extra dependencies (among which
pkg/client/clientset_generated/internalclientset). The solution is
to copy this string constant locally in kubeadm.
Signed-off-by: Rostislav M. Georgiev <rostislavg@vmware.com>
Kubernetes Submit Queue