kubernetes/docs
Kubernetes Submit Queue 74f44482ec
Merge pull request #66973 from fabriziopandini/kubeadm-ha-upgrade
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>.

Kubeadm ha upgrade

**What this PR does / why we need it**:
This PR implements one of the actions defined by https://github.com/kubernetes/kubeadm/issues/751 (checklist form implementing HA in kubeadm). see [KEP 0015](https://github.com/kubernetes/community/blob/master/keps/sig-cluster-lifecycle/0015-kubeadm-join-master.md) for more context

With this PR, kubeadm implements a new command `kubeadm upgrade node experimental-control-plane` that managed upgrade of control plane components on a secondary control plane instance. 

The entire workflow in case of HA clusters will be:

- Upgrade the control plane
   - run `kubeadm upgrade apply` on a first control plane instance
   - run `kubeadm upgrade node experimental-control-plane` on secondary control plane instances
- Upgrade nodes

**Special notes for your reviewer**:
/CC @timothysc @luxas @chuckha  @kubernetes/sig-cluster-lifecycle-pr-reviews 

**Release note**:
```
kubeadm now has the `kubeadm upgrade node experimental-control-plane` command for upgrading secondary control plane instances created with `kubeadm join --experimental-control-plane`. 
```
2018-08-22 18:02:49 -07:00
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admin autogenerated 2018-08-22 23:09:28 +02:00
api-reference auto generated code 2018-08-22 21:59:44 +09:00
man/man1 autogenerated 2018-08-22 23:09:28 +02:00
user-guide/kubectl add updated plugin mechanism 2018-08-15 15:06:29 -04:00
yaml/kubectl generated 2018-05-22 08:47:42 -04:00
.generated_docs autogenerated 2018-08-22 23:09:28 +02:00
BUILD Use buildozer to delete licenses() rules except under third_party/ 2017-08-11 09:32:39 -07:00
OWNERS Move .generated_docs to docs/ so docs OWNERS can review / approve 2017-02-16 10:11:57 -08:00