Automatic merge from submit-queue (batch tested with PRs 62481, 62643, 61877, 62515). 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>.
Not validating front proxy CA Key when using External CA.
**What this PR does / why we need it**:
"That the front ca key is not required as the front proxy client tls keypair can be managed by the third party." This PR don't validate the front CA Key but check if it already exists.
**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/752
**Special notes for your reviewer**:
@yanndegat @timothysc @stealthybox @fabriziopandini
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 62481, 62643, 61877, 62515). 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 preflight: check CRI socket path if defined or docker service otherwise
**What this PR does / why we need it**:
Currently, running `kubeadm init` without Docker installed will cause the `Service-Docker` preflight check to fail even when another CRI is installed and the CRI socket specified. This changes the preflight checks to check the CRI socket if specified, and falling back to checking the Docker service otherwise. Additionally, this deduplicates common checks between `kubeadm init` and `kubeadm join` to ensure that similar preflight checks stay in-sync going forward.
**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/657 - it still has the same behavior on joins
Fixes # https://github.com/kubernetes/kubeadm/issues/749 - will check the CRI socket if specified and skip the Docker service check
**Special notes for your reviewer**:
**Release note**:
```release-note
kubeadm preflight: check CRI socket path if defined, otherwise check for Docker
```
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Use a dynamic RESTMapper for admission plugins
**What this PR does / why we need it**:
This change updates the REST mapper used by all admission plugins to be backed by cached discovery information. This cache is updated every ten seconds via a post start hook and will not attempt to update on calls to `RESTMapping`. It solely relies on the hook to keep the cache in sync with discovery.
This prevents issues with the `OwnerReferencesPermissionEnforcement` admission plugin when it is used with custom resources that set `blockOwnerDeletion`.
**Which issue(s) this PR fixes**:
`Fixes #...`
**Special notes for your reviewer**:
There are probably other ways the post start hook could be wired.
**Release note**:
```release-note
NONE
```
Signed-off-by: Monis Khan <mkhan@redhat.com>
@kubernetes/sig-api-machinery-misc
This is required for a working CA root, as /etc/ssl/certs on a few
Linux distributions just contains a bunch of symlinks.
Container Linux and Debian have symlinks pointing to
/usr/share/ca-certificates, ArchLinux has symlinks pointing
to /etc/ca-certificates.
On Debian /etc/ssl/certs can also include symlinks pointing
to /usr/local/share/ca-certificates for local CA certificates.
Fix: kubeadm/#671
Automatic merge from submit-queue (batch tested with PRs 62568, 62220, 62743, 62751, 62753). 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 upgrade same version
What this PR does / why we need it:
When kubeadm 1.10 came out, it inadvertently introduced a backwards incompatible config change. Because the kubeadm MasterConfiguration is written by the old version of kubeadm and read by the new one, this incompatibility causes the upgrade to fail.
To mitigate this, I've written a simple transform that operates on a map-based version of the config. This map is mutated to make it compatible with the new structure, then serialised to JSON and deserialised by the usual APIMachinery.
Because of complications with the multiple versions, this PR enforces kubeadm only being used to upgrade to kubernetes of the same minor and major versions.
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 [kubeadm#744](https://github.com/kubernetes/kubeadm/issues/744#issuecomment-379045823L)
This PR is an alternate take on #62353. Instead of trying to gate migration on versions, this constrains kubeadm to only upgrade versions from the same major and minor versions.
Special notes for your reviewer:
```release-note
fixes configuration error when upgrading kubeadm from 1.9 to 1.10+
enforces kubeadm upgrading kubernetes from the same major and minor versions as the kubeadm binary.
```
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add @andrewsykim to OWNERS for cmd/cloud-controller-manager,pkg/contr…
**What this PR does / why we need it**:
Add myself as an approver for CCM related code.
cc @wlan0
**Release note**:
```release-note
Add @andrewsykim as an approver for CCM related code.
```
This change updates the REST mapper used by all admission plugins to
be backed by cached discovery information. This cache is updated
every ten seconds via a post start hook and will not attempt to
update on calls to RESTMapping. It solely relies on the hook to
keep the cache in sync with discovery.
This prevents issues with the OwnerReferencesPermissionEnforcement
admission plugin when it is used with custom resources that set
blockOwnerDeletion.
Signed-off-by: Monis Khan <mkhan@redhat.com>
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Add phase command for dynamic kubelet configuration in kubeadm.
**What this PR does / why we need it**:
As the title says.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
partially fixes this: https://github.com/kubernetes/kubeadm/issues/571
**Special notes for your reviewer**:
/cc @luxas @fabriziopandini
@kubernetes/sig-cluster-lifecycle-pr-reviews
**Release note**:
```release-note
Phase `kubeadm alpha phase kubelet` is added to support dynamic kubelet configuration in kubeadm.
```
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Support groups (organizations) to be specified in client cert.
**What this PR does / why we need it**:
Provide a flag `--org` for `kubeadm alpha phase kubeconfig user` to support groups (organizations) to be specified in client cert.
**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/753
**Special notes for your reviewer**:
cc @TomRK1089
**Release note**:
```release-note
`kubeadm alpha phase kubeconfig user` supports groups (organizations) to be specified in client cert.
```
Automatic merge from submit-queue (batch tested with PRs 62650, 62303, 62545, 62375). 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 podsecuritypolicy registry to policy package
**What this PR does / why we need it:**
This is a part of the PSP migration from extensions to policy API group. This PR moves registry to policy package and changes preferred storage format to policy/v1beta1
**Which issue(s) this PR fixes:**
Addressed to https://github.com/kubernetes/features/issues/5
Automatic merge from submit-queue (batch tested with PRs 58784, 62057, 62621, 62652, 62656). 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 deprecated kube-apiserver flags
**What this PR does / why we need it**:
This PR unhides deprecated kube-apiserver flags, so that the deprecation notice is clearly visible in --help.
Fixes#62617
**Release note**:
```release-note
NONE
```
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kubeadm/phases: small grammar improvements
**What this PR does / why we need it**:
small grammar fixes and cleanup in `kubeadm/phases`.
**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**:
none
**Release note**:
```release-note
NONE
```
Lubomir (VMware)
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Show help for deprecated Kubelet flags
We recently deprecated a bunch of Kubelet flags, which caused them to disappear from `--help` output. This PR unhides these flags, so that the deprecation notice is clearly visible in `--help`.
Fixes: #62009
```release-note
NONE
```
/cc @eparis
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kubeadm: add better test coverage to version.go
**What this PR does / why we need it**:
This PR adds unit tests for the file `kubeadm/app/cmd/version.go` via `version_test.go`. Test coverage is increased to 90% for this file. only a couple of functions are tested.
**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**:
related PRs:
https://github.com/kubernetes/kubernetes/pull/59220https://github.com/kubernetes/kubernetes/pull/58540
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 58540, 62314). 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 ability to specify port for kubeadm `API.ControlPlaneEndpoint`
**What this PR does / why we need it**:
When `API.ControlPlaneEndpoint` is used, the `BindPort` of the
apiserver is currently assumed, which means a load balancer cannot
listen on a different port than the apiserver. This extends the
`ControlPlaneEndpoint` to take an optional port which may differ
from the apiserver's `BindPort`.
**Release note**:
```release-note
The kubeadm config option `API.ControlPlaneEndpoint` has been extended to take an optional port which may differ from the apiserver's bind port.
```
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kubeadm: add better test coverage to reset.go
**What this PR does / why we need it**:
a PR for adding some more tests in `kubeadm/cmd` for `reset.go`.
increasing coverage from ~11% to ~92%
the remaining 8% are kind of hard to test or not worth the complexity.
original idea to add more tests in kubeadm was suggested to me by @luxas at slack.
in time, i might add better coverage to all cmd `.go` 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)*:
please, link issue # if you know of such.
**Special notes for your reviewer**:
none
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 62486, 62471, 62183). 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>.
provision kubelet config file for GCE instead of deprecated flags
Many Kubelet flags are now deprecated in favor of the versioned config file format. This PR adopts the versioned config file format in our cluster turn-up scripts.
```release-note
cluster/kube-up.sh now provisions a Kubelet config file for GCE via the metadata server. This file is installed by the corresponding GCE init scripts.
```
Automatic merge from submit-queue (batch tested with PRs 61306, 60270, 62496, 62181, 62234). 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>.
split up the huge set of flags into smaller option structs
**What this PR does / why we need it**:
To make generic, we do following work:
1. Spliting `KubeControllerManagerConfiguration` in kube-controller-manager and cloud-controller-manager into fewer smaller struct options order by controller, and modify relative flag. Also part of #59483.
2. Spliting `componentconfig` in controller-manager into fewer smaller config order by controller too.
All works follow #59582, using `option+config` logic.
**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
```
When `API.ControlPlaneEndpoint` is used, the `BindPort` of the
apiserver is currently assumed, which means a load balancer cannot
listen on a different port than the apiserver. This extends the
`ControlPlaneEndpoint` to take an optional port which may differ
from the apiserver's `BindPort`.
This PR extends the client-side startup scripts to provision a Kubelet
config file instead of legacy flags. This PR also extends the
master/node init scripts to install this config file from the GCE
metadata server, and provide the --config argument to the Kubelet.
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 invalid TODOs in kubeadm constants.
**What this PR does / why we need it**:
These TODOs are invalid now.
**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 https://github.com/kubernetes/kubeadm/issues/571#issuecomment-347408384
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
As a essential core component, kube-proxy should generally run on all
nodes even if the cluster operator taints nodes for special purposes.
This fixeskubernetes/kubeadm#699
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Fixes kubeadm upgrade plan output
Closeskubernetes/kubeadm#713
Aligns `kubeadm upgrade plan` output when kubelets have different versions.
Signed-off-by: Chuck Ha <ha.chuck@gmail.com>
**What this PR does / why we need it**:
This PR fixes the output of `kubeadm upgrade plan` when kubelets have different versions.
**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#713
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 58178, 62491, 60852). 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] Add support for clusterName in config file.
**What this PR does / why we need it**: Adds a `--cluster-name` arg to kubeadm init.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
See https://github.com/kubernetes/kube-deploy/issues/636
Code inspired by #52470
**Special notes for your reviewer**:
**Release note**:
```release-note
Adds --cluster-name to kubeadm init for specifying the cluster name in kubeconfig.
```
Automatic merge from submit-queue (batch tested with PRs 62455, 62465, 62427, 62416, 62411). 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 kubeadm upgrade ignores HighAvailability feature gate
**What this PR does / why we need it**:
This PR fixes https://github.com/kubernetes/kubeadm/issues/731
**Which issue(s) this PR fixes**:
Fixes https://github.com/kubernetes/kubeadm/issues/731
**Special notes for your reviewer**:
The problem is a regression introduced by [#55952](https://github.com/kubernetes/kubernetes/pull/55952) which added a --feature-gates
flag to `kubeadm upgrade`, to be used for updating feature gates during the upgrade process (so it is update + upgrade).
The original implementation always override the actual feature gates with the flag value, even when the flag is not set; this PR fixes this behaviour making `kubeadm upgrade` considers the flag value only if set, otherwise actual feature gates will be preserved.
/cc @kubernetes/sig-cluster-lifecycle-pr-reviews @kubernetes/sig-cluster-lifecycle-bugs
**Release note**:
```release-note
Fixed#731 kubeadm upgrade ignores HighAvailability feature gate
```
Automatic merge from submit-queue (batch tested with PRs 60585, 62398, 62258, 62042). 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: surface external etcd preflight validation errors
**What this PR does / why we need it**:
This PR fixes a bug where errors that could occur while running preflight against an external etcd cluster were not being surfaced to the user.
**Which issue(s) this PR fixes** :
Fixes https://github.com/kubernetes/kubeadm/issues/719
**Release note**:
```release-note
kubeadm: surface external etcd preflight validation errors
```
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Clean up the network plugin code
Moves the `pkg/kubelet/network` package down to `dockershim` since network
setup is done by the runtime. Also remove various interfaces/code added only for
backward compatibility with non-CRI runtimes, which are now removed from the
codebase.
**Release note**:
```release-note
NONE
```
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validate AdvertiseAddress in kubeadm init and other case
**What this PR does / why we need it**:
When using `kubeadm init --apiserver-advertise-address=****, `apiserver-advertise-address` can only be ipv4 or ipv6 address, if people use domain name in this field, will not use it and silently get hostIP.
Add a warning in this case.
**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#590
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
With CRI, kubelet no longer sets up networking for the pods. The
dockershim package is the rightful owner and the only user of the
newtork package. This change moves the package into dockershim to make
the distinction obvious, and untangles the codebase.
The`network/dns`is kept in the original package since it is only used by
kubelet.
The code was added to support rktnetes and non-CRI docker integrations.
These legacy integrations have already been removed from the codebase.
This change removes the compatibility code existing soley for the
legacy integrations.
Automatic merge from submit-queue (batch tested with PRs 59027, 62333, 57661, 62086, 61584). 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>.
Implement verbosity feature for kubeadm
[WIP] Adds verbosity feature to init command hierarchy of kubeadm utility.
**What this PR does / why we need it**:
Implements verbosity feature to 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#340
**Special notes for your reviewer**:
I will be splitting this work into a smaller PR to keep it separate and clean.
**Release note**:
```release-note
Implements verbosity logging feature for kubeadm commands
```
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spec.SchedulerName should be spec.schedulerName in kube-scheduler help
**What this PR does / why we need it**:
spec.SchedulerName should be spec.schedulerName in kube-scheduler help
```shell
--scheduler-name string Name of the scheduler, used to select which pods will be processed by this scheduler, based on pod's "spec.SchedulerName". (default "default-scheduler")
```
**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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cloud-controller-manager: remove useless arguments of startControllers
remove useless arguments of `startControllers`
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Use pause manifest image
**What this PR does / why we need it**:
As pause manifest code is merged part of https://github.com/kubernetes/kubernetes/pull/57723, now its time to remove all architecture-dependent pause imagename.
**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**:
```
NONE
```
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[kubeadm] Bump kube-dns to 1.14.9
**What this PR does / why we need it**:
Bump kube-dns to 1.14.9 for kubeadm. Ref #61908.
cc @rramkumar1
**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**:
**Release note**:
```release-note
Update kube-dns to Version 1.14.9 in kubeadm.
```
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Support overriding the --node-cidr-mask-size arg passed to kube-controller-manager
Fixes: https://github.com/kubernetes/kubeadm/issues/724
**Release note**:
```release-note
kubeadm config can now override the Node CIDR Mask Size passed to kube-controller-manager.
```
Kubelet doesn't support subcommands and silently ignores them.
This causes a lot of confusion among users, for example:
Running 'kubelet logs' can produce this output:
I0206 16:20:40.010949 5712 feature_gate.go:220] feature gates: &{{} map[]}
I0206 16:20:40.011054 5712 controller.go:114] kubelet config controller: starting controller
...
error: failed to run Kubelet: failed to create kubelet:
misconfiguration: kubelet cgroup driver: "cgroupfs" is different from
docker cgroup driver: "systemd"
The output in this case looks like a valid log output. The error is not
caused by incorrectly configured cgroup driver though. It's caused by
the fact that kubelet ignores 'logs' subcommand, so 'kubelet logs' is
essentially the same as 'kubelet': it runs kubelet with the default set
of parameters, including default cgroup driver.
Added check to prevent kubelet from running if user specifies
subcommands in the command line.
Fixes: #639
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kubeadm: Controllable timeout for join failures
**What this PR does / why we need it**:
This PR introduces a timeout for `kubeadm join`. During that time kubeadm will try to join as many times as possible. The timeout can be controlled via the `discoveryTimeout` config option. Its default value is 5 minutes.
**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#677
**Special notes for your reviewer**:
/cc @kubernetes/sig-cluster-lifecycle-pr-reviews
/area kubeadm
/assign @luxas
/assign @timothysc
**Release note**:
```release-note
kubeadm: Introduce join timeout that can be controlled via the discoveryTimeout config option (set to 5 minutes by default).
```
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bug fix: create/update CRD panic when mutating webhook configured
apiextentions apiserver use its own scheme to create a admission chain before creating the apiextensions apiserver config.
Fixes#61355
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Use typed events client directly
**What this PR does / why we need it**:
This PR addresses the TODO - the typed events client can be used directly without wrapping.
**Release note**:
```release-note
NONE
```
/kind cleanup
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default use kube-system namespace as policyConfigmapNamespace
**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 https://github.com/kubernetes/kubernetes/issues/61368
**Special notes for your reviewer**:
cc @kubernetes/sig-scheduling-pr-reviews
**Release note**:
```release-note
fix scheduling policy on ConfigMap breaks without the --policy-configmap-namespace flag set
```
Thanks to some great sleuthing by ikruglov!
kube-controller-manager defaults --leader-elect to true. We should
do the same for kube-scheduler. kube-scheduler used to have this
set to true, but it got lost during refactoring in:
efb2bb71cd
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Include original error in the error message
**What this PR does / why we need it**:
This PR improves error message by including an initial error into it.
Before this change `hack/test-update-storage-objects.sh` was failing with the following error:
>E0326 19:32:28.511136 31378 server.go:456] Failed to create clientset with KUBE_API_VERSIONS="v1,networking.k8s.io/v1,storage.k8s.io/v1beta1,extensions/v1beta1,networking.k8s.io/v1,storage.k8s.io/v1,extensions/v1beta1". KUBE_API_VERSIONS is only for testing. Things will break.
Now it shows also error cause:
> E0326 19:45:57.186959 18448 server.go:456] Failed to create clientset with KUBE_API_VERSIONS="v1,networking.k8s.io/v1,storage.k8s.io/v1beta1,extensions/v1beta1,networking.k8s.io/v1,storage.k8s.io/v1,extensions/v1beta1,policy/v1beta1": **group admissionregistration.k8s.io has not been registered**. KUBE_API_VERSIONS is only for testing. Things will break.
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Remove rktnetes code
**What this PR does / why we need it**:
rktnetes is scheduled to be deprecated in 1.10 (#53601). According to the deprecation policy for beta CLI and flags, we can remove the feature in 1.11.
**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#58721
**Special notes for your reviewer**:
**Release note**:
```release-note
Removed rknetes code, which was deprecated in 1.10.
```
/assign @yujuhong
/hold
Hold until the end of the freeze.
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kubectl: delete dead package
/sig cli
```release-note
NONE
```
rktnetes is scheduled to be deprecated in 1.10 (#53601). According to
the deprecation policy for beta CLI and flags, we can remove the feature
in 1.11.
Fixes#58721
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kube-apiserver add BuiltInAuthorizationOptions validation
Validate BuiltInAuthorizationOptions after flags parsed.
**Release note**:
```release-note
NONE
```
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Fix help text for cpu manager
**What this PR does / why we need it**:
Fixes incorrect text associated with the flag as the feature is now beta.
**Special notes for your reviewer**:
This feature is beta in 1.10.
**Release note**:
```release-note
NONE
```
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Check apps/v1 StatefulSet available before starting its controller
**What this PR does / why we need it**: StatefulSet controller was bumped to use `apps/v1.StatefulSet` already. Without this change, StatefulSet controller will continue to work, but will be broken when `apps/v1beta2.StatefulSet` is removed or disabled.
**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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update metrics to true like it is for kube-apiserver
The kube-apiserver always hardcoded to true, but nothing else knew too. I changed the default to true (I can't think of why you wouldn't want it even if you don't often use it).
@kubernetes/sig-api-machinery-bugs
@MikeSpreitzer see if this fixes you?
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Make audit output version configurable.
This is a re-make of https://github.com/kubernetes/kubernetes/pull/51786, taken over form @soltysh
Copying from the previous PR:
This is followup to https://github.com/kubernetes/kubernetes/pull/51719 to start the discussion how we want to solve the problem of users picking which version is being served them.
We need to have an option for log and webhook, separately. Probably, for webhook backend with multiple destinations we'd like to send different version to each.
This approach adds two flags (only the second commit matters), one for log and another for webhook (unfortunately global one). I've looked into kubeconfig types and although there are options to specify group and version they are meant for removal. @liggitt had some thoughts maybe he could share the ideas and we can pick it up here.
@ericchiang @CaoShuFeng @sttts opinions, thoughts are more than welcome
```release-note
Add apiserver configuration option to choose audit output version.
```
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Use apps/v1 ReplicaSet in controller and tests.
This updates the RS/RC controller and RS integration/e2e tests to use apps/v1 ReplicaSet, as part of #55714.
It does *not* update the Deployment controller, nor its integration/e2e tests, to use apps/v1 ReplicaSet. That will be done in a separate PR (#61419) because Deployment has many more tendrils embedded throughout the system.
```release-note
Conformance: ReplicaSet must be supported in the `apps/v1` version.
```
/assign @janetkuo
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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
```
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validate EtcdOptions.EtcdServersOverrides in EtcdOptions.Validate
move `EtcdOptions.EtcdServersOverrides` validation from `BuildStorageFactory` to `EtcdOptions.Validate`, which fails fast in kube-apiserver startup.
**Release note**:
```release-note
NONE
```
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remove --service-account-private-key-file in v1.11
`kube-cloud-controller-manager` flag `--service-account-private-key-file` is removed in v1.11
ref: #50289
**Release note**:
```release-note
`kube-cloud-controller-manager` flag `--service-account-private-key-file` is removed in v1.11
```
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kubeadm: Add writable option to *ExtraVolumes init config
**What this PR does / why we need it**:
This PR adds `writable` boolean option for each volume under the `apiServerExtraVolumes`, `controllerManagerExtraVolumes` and `schedulerExtraVolumes` kubeadm init config keys. The option controls write access on a per-volume basis. It is inverted and transferred to the corresponding static pod YAML file as the `readOnly` option of kubelet.
The default value for `writable` is `false`, which does not change the current kubeadm behavior.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Partial fix for #58587
**Special notes for your reviewer**:
/cc @kubernetes/sig-cluster-lifecycle-pr-reviews
/area kubeadm
/assign @luxas
/assign @timothysc
**Release note**:
```release-note
kubeadm: Add the writable boolean option to kubeadm config. The option works on a per-volume basis for *ExtraVolumes config keys.
```
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apiserver clean code
**What this PR does / why we need it**:
1. clean up some redundant code in kube-apiserver startup
1. comment on `preparedGenericAPIServer`, which is just a wrapper of `GenericAPIServer`.
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Fix: remove keyword defer in the loop to avoid resource leaks
Appearance of defer keyword inside a loop structure may caused resource leaks, it's not recommended to do it although it is in an unit test. Releasing a resource just after finishing using it is the most safe and effective solution, so remove defer is just OK.
**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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implement begin-port+offset port range parsing
**What this PR does / why we need it**:
Allocate specific numbers of port from a host by indicating a begin port and its offsets.
This can be used for kube-proxy configuration.
**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#58730
**Special notes for your reviewer**:
**Release note**:
```release-note
"beginPort+offset" format support for port range which affects kube-proxy only
```
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kubelet: make --cni-bin-dir accept a comma-separated list of CNI plugin directories
Allow CNI-related network plugin drivers (kubenet, cni) to search a list of
directories for plugin binaries instead of just one. This allows using an
administrator-provided path and fallbacks to others (like the previous default
of /opt/cni/bin) for backwards compatibility.
```release-note
kubelet's --cni-bin-dir option now accepts multiple comma-separated CNI binary directory paths, which are search for CNI plugins in the given order.
```
@kubernetes/rh-networking @kubernetes/sig-network-misc @freehan @pecameron @rajatchopra
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Disable ImageGC when high threshold is set to 100
**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#51268
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Updates kubeadm default to use 1.10
**What this PR does / why we need it**:
In line with https://github.com/kubernetes/kubeadm/blob/master/docs/release-cycle.md, the default branch for kubeadm to deploy should be bumped right before the rc.1.
This can even be manually merged by the someone from the release team.
**Which issue(s) this PR fixes** :
Fixes#60608
**Special notes for your reviewer**:
**Release note**:
```
Updates default deployment for kubeadm to 1.10
```
/cc @kubernetes/sig-cluster-lifecycle-pr-reviews @kubernetes/sig-release-members @dims @jberkus @jdumars
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Cleanup old upgrading code that is v1.8->v1.9-specific
**What this PR does / why we need it**:
Cleanup old upgrading code that is v1.8->v1.9-specific
**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/622
This will finish the task in the issue.
**Special notes for your reviewer**:
/cc @luxas @vbmade2000
**Release note**:
```release-note
NONE
```
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Update Kubelet command option description for IPv6
**What this PR does / why we need it**:
The restriction for a /66 cidr was removed in PR #60089.
Removing this reference from the command options description.
**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#60734
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Bump to etcd 3.1.12 to pick up critical fix
etcd [3.1.12](https://github.com/coreos/etcd/releases/tag/v3.1.12) (as well as 3.2.17 and 3.3.2) was released yesterday to fix a bug critical to kubernetes:
Fix [mvcc "unsynced" watcher restore operation](https://github.com/coreos/etcd/pull/9297).
- "unsynced" watcher is watcher that needs to be in sync with events that have happened.
- That is, "unsynced" watcher is the slow watcher that was requested on old revision.
- "unsynced" watcher restore operation was not correctly populating its underlying watcher group.
- Which possibly causes [missing events from "unsynced" watchers](https://github.com/coreos/etcd/issues/9086).
This will be backported to 1.9 as well.
Release note:
```release-note
Upgrade the default etcd server version to 3.1.12 to pick up critical etcd "mvcc "unsynced" watcher restore operation" fix.
```
cc @gyuho @wojtek-t @shyamjvs @timothysc @jdumars
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Rollback etcd server version to 3.1.11 due to #60589
Ref https://github.com/kubernetes/kubernetes/issues/60589#issuecomment-371171837
The dependencies were a bit complex (so many things relying on it) + the version was updated to 3.2.16 on top of the original bump.
So I had to mostly make manual reverting changes on a case-by-case basis - so likely to have errors :)
/cc @wojtek-t @jpbetz
```release-note
Downgrade default etcd server version to 3.1.11 due to #60589
```
(I'm not sure if we should instead remove release-notes of the original PRs)
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