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[kubeadm] Bump kube-dns to 1.14.8
**What this PR does / why we need it**:
Bump kube-dns to 1.14.8 for kubeadm. Ref https://github.com/kubernetes/kubernetes/pull/57918.
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
NONE
```
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Kubeadm: clean up MarshalToYamlForCodecs
Proxy will use PrintBytesWithLinePrefix to indent.
**What this PR does / why we need it**:
This removed the function MarshalToYamlForCodecsWithShift() and the proxy
code will use PrintBytesWithLinePrefix() to shift over the yaml lines.
**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#57907
**Special notes for your reviewer**:
**Release note**:
```release-note-none
```
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Enable privileged containers for apiserver and controller
**What this PR does / why we need it**:
In OpenStack environment, when there is no metadata service, we
look at the config drive to figure out the metadata. Since we need
to run commands like blkid, we need to ensure that api server and
kube controller are running in the privileged mode.
**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#47392
Fixes https://github.com/kubernetes/kubeadm/issues/588
**Special notes for your reviewer**:
**Release note**:
```release-note
Fix issue when using OpenStack config drive for node metadata
```
In OpenStack environment, when there is no metadata service, we
look at the config drive to figure out the metadata. Since we need
to run commands like blkid, we need to ensure that api server and
kube controller are running in the privileged mode.
So add a new field in MasterConfiguration for specifying that the
api server and controller manager (s) need extra privileges. Added
a TODO to remove this code when we fully yank out cloud provider
specific calls from these processes.
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fix some bad url
**What this PR does / why we need it**:
fix some bad url
**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
```
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Enable ValidatingAdmissionWebhook and MutatingAdmissionWebhook in kubeadm from v1.9
**What this PR does / why we need it**:
Since 1.9, `ValidatingAdmissionWebhook` and `MutatingAdmissionWebhook` are beta. Kubeadm should enable them by default.
**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#642
**Special notes for your reviewer**:
/assign @luxas
/cc @kubernetes/sig-cluster-lifecycle-pr-reviews
**Release note**:
```release-note
Enable ValidatingAdmissionWebhook and MutatingAdmissionWebhook in kubeadm from v1.9
```
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Print the full path of Kubeconfig files.
**What this PR does / why we need it**:
kubeadm init:
```
[kubeconfig] Wrote KubeConfig file to disk: "admin.conf"
[kubeconfig] Wrote KubeConfig file to disk: "kubelet.conf"
[kubeconfig] Wrote KubeConfig file to disk: "controller-manager.conf"
[kubeconfig] Wrote KubeConfig file to disk: "scheduler.conf"
```
It'd be good to print the path of the KubeConfig files in case users want to view the content of these 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/656
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Fix `kubeadm upgrade` error while CoreDNS is installed
**What this PR does / why we need it**:
In the scenario when I have CoreDNS installed via `kubeadm init` and I want to continue using CoreDNS after `kubeadm upgrade`, the upgrade is unsuccessful and it gives an error.
**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#641
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Move scheduler out of plugin directory
**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)*:
This is but one step toward resolving the referenced issue.
/ref #57579
**Special notes for your reviewer**:
**Release note**:
```release-note
Default scheduler code is moved out of the plugin directory.
plugin/pkg/scheduler -> pkg/scheduler
plugin/cmd/kube-scheduler -> cmd/kube-scheduler
```
/sig scheduling
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kubeadm: set kube-apiserver advertise address using downward API
**What this PR does / why we need it**:
Sets kube-apiserver --advertise-address using downward API for self-hosted Kubernetes with 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)*:
Fixes # https://github.com/kubernetes/kubeadm/issues/400
**Special notes for your reviewer**:
@luxas mentioned something about losing the ability to customize advertise address via kubeadm, didn't really take that into consideration yet but I can definitely make the necessary changes if needed.
**Release note**:
```release-note
kubeadm: set kube-apiserver advertise address using downward API
```
This moves plugin/pkg/scheduler to pkg/scheduler and
plugin/cmd/kube-scheduler to cmd/kube-scheduler.
Bulk of the work was done with gomvpkg, except for kube-scheduler main
package.
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Improve error messages and comments in KubeAdm.
**What this PR does / why we need it**:
Improve error messages and comments 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)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Fix minor err in kubeadm
**What this PR does / why we need it**:
fix minor text error 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)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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kubeadm upgrade: fix unit test flake
The CA generated for each test case is global and the cases modify
the expiry. This can flake depending on what order the tests run.
Generate a new CA for each test case.
```release-note
NONE
```
Fixes https://github.com/kubernetes/kubernetes/issues/57357
/cc @kubernetes/sig-cluster-lifecycle-bugs
/cc @xiangpengzhao
/cc @luxas
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Use apps/v1 API in kubeadm
**What this PR does / why we need it**:
The core workloads API has been promoted to GA stability in the apps/v1 group version from 1.9. Use apps/v1 API 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)*:
Fixes https://github.com/kubernetes/kubeadm/issues/596
**Special notes for your reviewer**:
/cc @kubernetes/sig-cluster-lifecycle-pr-reviews
**Release note**:
```release-note
NONE
```
The CA generated for each test case is global and the cases modify
the expiry. This can flake depending on what order the tests run.
Generate a new CA for each test case.
Automatic merge from submit-queue (batch tested with PRs 57287, 57233, 57305). 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 kube-proxy 1.8 configmap and daemonset manifests in kubeadm
**What this PR does / why we need it**:
Remove unsupported manifests of kube-proxy in kubeadm of 1.10.
**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**:
/cc @kubernetes/sig-cluster-lifecycle-pr-reviews
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 57287, 57233, 57305). 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>.
Update kubeadm's minimum supported kubernetes to 1.9.
**What this PR does / why we need it**:
Update it in 1.10 cycle.
**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**:
/cc @kubernetes/sig-cluster-lifecycle-pr-reviews
**Release note**:
```release-note
Update kubeadm's minimum supported Kubernetes version in v1.10.x to v1.9.0
```
Automatic merge from submit-queue (batch tested with PRs 56390, 56334, 55572, 55598, 56563). 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 apiServerCertSANs case for test GetAltNames
**What this PR does / why we need it**:
When fix#55566 , found there is not test case for apiServerCertSANs
**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**:
assgin @luxas
**Release note**:
```release-note
NONE
```
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Fix a typo in kubeadm/GetEtcdPodSpec
**What this PR does / why we need it**:
Fix a typo in kubeadm/GetEtcdPodSpec.
**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: Don't downgrade etcd on cluster downgrade
**What this PR does / why we need it**:
- Don't try downgrade etcd on k8s downgrade -- that doesn't work
- Mark self-hosting as alpha as discussed in the SIG
- Don't print the beta warning as it confuses users
- Slightly make the wording around upgrade/downgrade clearer
**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
```
@kubernetes/sig-cluster-lifecycle-pr-reviews
Automatic merge from submit-queue (batch tested with PRs 55360, 56444, 56687, 56791, 56802). 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>.
Bump CoreDNS version to 1.0.0
**What this PR does / why we need it**:
Updating the CoreDNS version to 1.0.0, which fixes bugs, including the ones which were failing the e2e tests for kubeadm with CoreDNS as the default DNS server (kubernetes/test-infra#5601)
**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
```
