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kubeadm: Printable default component configs
**What this PR does / why we need it**:
This PR makes default component configs printable via `kubeadm config print-default`.
Component configs are not printed by default. You have to explicitly request
that for concrete API objects via the `--api-objects` command line parameter.
For a list of possible API objects use the help option.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Refs kubernetes/kubeadm#963
**Special notes for your reviewer**:
/cc @kubernetes/sig-cluster-lifecycle-pr-reviews
/area kubeadm
/assign @luxas
/assign @timothysc
/kind feature
**Release note**:
```release-note
kubeadm: Default component configs are printable via kubeadm config print-default
```
Automatic merge from submit-queue (batch tested with PRs 66136, 64999, 65425, 66120, 66074). 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 step into ipvs.CleanupLeftovers() if canUseIPVS's false
**What this PR does / why we need it**:
Earlier we decide whether we should clean up the left-over ipvs rules inside `ipvs.CleanupLeftovers()`, therefore we call function `ipvs.CanUseIPVSProxier()` two times (and `GetModules()` two times). Actually no need to step into `ipvs.CleanupLeftovers()` if `canUseIPVS` is false.
**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
```
Automatic merge from submit-queue (batch tested with PRs 66136, 64999, 65425, 66120, 66074). 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>.
Get ipv6 nodeIP when in ipv6 cluster
**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#64985
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Make default component configs printable via `kubeadm config print-default`.
Component configs are not printed by default. You have to explicitly request
that for concrete API objects via the `--api-objects` command line parameter.
For a list of possible API objects use the help option.
Signed-off-by: Rostislav M. Georgiev <rostislavg@vmware.com>
Automatic merge from submit-queue (batch tested with PRs 66076, 65792, 65649). 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>.
kubernetes: fix printf format errors
These are all flagged by Go 1.11's
more accurate printf checking in go vet,
which runs as part of go test.
```release-note
NONE
```
These are all flagged by Go 1.11's
more accurate printf checking in go vet,
which runs as part of go test.
Lubomir I. Ivanov <neolit123@gmail.com>
applied ammend for:
pkg/cloudprovider/provivers/vsphere/nodemanager.go
Automatic merge from submit-queue (batch tested with PRs 65931, 65705, 66033). 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: run kube-proxy on non-master tainted nodes
**What this PR does / why we need it**:
kube-proxy should be able to run on all nodes, independent
on the taint of such nodes.
This restriction was previously removed in bb28449e31 but
then was brought back in d1949261ab.
/cc @kubernetes/sig-cluster-lifecycle-pr-reviews
/cc @luxas @detiber @dixudx @discordianfish @mxey
/kind bug
/area kube-proxy
/area 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#699
**Special notes for your reviewer**:
we are removing the requirement again, but please have a look at all the implications here.
hopefully we don't have to bring it again.
**Release note**:
```release-note
kubeadm: run kube-proxy on non-master tainted nodes
```
kube-proxy should be able to run on all nodes, independent
on the taint of such nodes.
This restriction was previously removed in bb28449e31 but
then was brought back in d1949261ab.
Also, annotate with:
scheduler.alpha.kubernetes.io/critical-pod: ""
and add a class in the template spec:
priorityClassName: system-node-critical
Automatic merge from submit-queue (batch tested with PRs 64664, 65836, 65917). 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 stray comment from a merge
Signed-off-by: Davanum Srinivas <davanum@gmail.com>
**What this PR does / why we need it**:
Remove stray comment from a merge.
**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
```
Automatic merge from submit-queue (batch tested with PRs 65456, 65549). 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 flexvolume in containerized kubelets
Fixes flex volumes in containerized kubelets.
cc @jsafrane @chakri-nelluri @verult
Note to reviewers : e2e tests pass in local containarized cluster.
```release-note
Fix flexvolume in containarized kubelets
```
Automatic merge from submit-queue (batch tested with PRs 65946, 65904, 65913, 65906, 65920). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
kubeadm: pause image should be arch agnostic, as it is a manifest list
Signed-off-by: Davanum Srinivas <davanum@gmail.com>
**What this PR does / why we need it**:
`pause` image is backed by a manifest list. so we should not use the arch image when reporting using say `kubeadm config image list`
**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/962
**Special notes for your reviewer**:
**Release note**:
```release-note
kubeadm: Fix pause image to not use architecture, as it is a manifest list
```
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[kubeadm] Print required flags when running kubeadm upgrade plan
**What this PR does / why we need it**:
print required flags when running kubeadm upgrade plan
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Close [kubernetes/kubeadm#935](https://github.com/kubernetes/kubeadm/issues/935)
**Special notes for your reviewer**:
/assign @chuckha
/assign @neolit123
**Release note**:
```release-note
kubeadm: print required flags when running kubeadm upgrade plan
```
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 --cadvisor-port - has been deprecated since v1.10
**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#56523
**Special notes for your reviewer**:
- Deprecated in https://github.com/kubernetes/kubernetes/pull/59827 (v1.10)
- Disabled in https://github.com/kubernetes/kubernetes/pull/63881 (v1.11)
**Release note**:
```release-note
[action required] The formerly publicly-available cAdvisor web UI that the kubelet started using `--cadvisor-port` is now entirely removed in 1.12. The recommended way to run cAdvisor if you still need it, is via a DaemonSet.
```
Automatic merge from submit-queue (batch tested with PRs 65897, 65909, 65856, 65815). 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>.
only need to ignore resources that match discovery conditions
GC and quota controllers ignore resources that are too expensive to manage. In kube this is only events. The incompatible resources should now be excluded on the basis of discovery. We should actually reflect that in the RESTStorage (done for GC for events) and discovery too.
@liggitt
@kubernetes/sig-api-machinery-bugs
```release-note
NONE
```
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>.
controller-managers: allow high ports in secure serving validation
Certain operating systems will select high port (>32768) when asked for a free port. This PR changes the validation to allow that.
Like https://github.com/kubernetes/kubernetes/pull/65833, but for controller managers.
```release-note
Allow kube- and cloud-controller-manager to listen on ports up to 65535.
```
Automatic merge from submit-queue (batch tested with PRs 64511, 65865, 65867, 65866). 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>.
kube-controller-manager: add stopCh plumbing
Needed for integration testing.
Automatic merge from submit-queue (batch tested with PRs 64511, 65865, 65867, 65866). 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>.
kube-controller-manager: create self-signed certs
If secure serving is enabled (not automatically wired yet, but 3rdparties could wire it), create self-signed certs if none are given. Reuses the code from k8s.io/apiserver.
Automatic merge from submit-queue (batch tested with PRs 64911, 65710). 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>.
apiextensions-apiserver: add pkg/cmd/server/testing pkg for integration tests
In analogy to kube-apiserver, this implements a uniform apiextensions-apiserver for integration tests which can be started using customized flags.
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kubeadm: use constant instead of hardcoded path
**What this PR does / why we need it**:
Used DefaultCRISocket constant instead of hardcoded path
/var/run/dockershim.sock
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 65822, 65834, 65859, 65631). 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 reading multiple YAML documents
**What this PR does / why we need it**:
In preparation for splitting the kubelet and kube-proxy componentconfigs out of the MasterConfiguration API struct, add support for reading multiple YAML documents
**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/kubeadm#911
Depends on:
- [x] https://github.com/kubernetes/kubernetes/pull/65776
- [x] https://github.com/kubernetes/kubernetes/pull/65628
- [x] https://github.com/kubernetes/kubernetes/pull/65629
**Special notes for your reviewer**:
Please only review the `Refactor a bit of the config YAML loading code, and support loading multiple YAML documents` commit
**Release note**:
```release-note
NONE
```
@kubernetes/sig-cluster-lifecycle-pr-reviews
Automatic merge from submit-queue (batch tested with PRs 65805, 65811, 65833, 65488, 65857). 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>.
kube-scheduler: allow high ports in secure serving validation
Certain operating systems will select high port (>32768) when asked for a free port. This PR changes the validation to allow that.
```release-note
Allow kube-scheduler to listen on ports up to 65535.
```
