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kubeadm: Add (duplicated) v1alpha2 Config API #63788

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merged 5 commits into from
May 16, 2018

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@luxas luxas commented May 14, 2018

What this PR does / why we need it:
Work in progress PR to add a (initially duplicated) v1alpha2 we can iterate on during the 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):
Part of kubernetes/community#2131

Special notes for your reviewer:
This PR depends on:

The first commit is from #63799.
The second commit duplicates v1alpha1, but updates timestamps, and doesn't require the upgrade.go.
The third commit does the mechanical bump of using v1alpha1 -> v1alpha2
The fourth commit updates bazel

Release note:

[action required] kubeadm now uses an upgraded API version for the configuration file, `kubeadm.k8s.io/v1alpha2`. kubeadm in v1.11 will still be able to read `v1alpha1` configuration, and will automatically convert the configuration to `v1alpha2` internally and when storing the configuration in the ConfigMap in the cluster.

@kubernetes/sig-cluster-lifecycle-pr-reviews @liztio

@k8s-ci-robot k8s-ci-robot added release-note-action-required Denotes a PR that introduces potentially breaking changes that require user action. do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. sig/cluster-lifecycle Categorizes an issue or PR as relevant to SIG Cluster Lifecycle. size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. approved Indicates a PR has been approved by an approver from all required OWNERS files. labels May 14, 2018
@k8s-ci-robot k8s-ci-robot requested review from dixudx and kad May 14, 2018 11:21
@@ -0,0 +1,66 @@
/*
Copyright 2016 The Kubernetes Authors.
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may as well bump this to 2018

@@ -0,0 +1,137 @@
/*
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probably don't need to copy this over? or if we do, we should delete it from v1alpha1

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oh, I will delete this. This isn't needed in v1alpha2

return nil
}

func Convert_v1alpha1_MasterConfiguration_To_kubeadm_MasterConfiguration(in *MasterConfiguration, out *kubeadm.MasterConfiguration, s conversion.Scope) error {
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does this handle the proxy featureflags?

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No, Migrate takes care of that, as that happens at unmarshal time, not conversion time

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liztio commented May 14, 2018

this may be easier to read once #63782 is rebased onto it

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luxas commented May 14, 2018

this may be easier to read once #63782 is rebased onto it

yes, very much easier after the first PRs are merged.

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I'll wait on this till the other ones are fix'd up. Please ping when this one is ready.

@luxas luxas changed the title [WIP] kubeadm: Add v1alpha2 Config API kubeadm: Add (duplicated) v1alpha2 Config API May 15, 2018
@k8s-ci-robot k8s-ci-robot removed the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label May 15, 2018
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I think next time it would've been better to add the code in one PR, then switch it as the default in the next one. But I understand we were under a time crunch.

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liztio commented May 15, 2018

/lgtm

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poke when this is all ready to go.

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luxas commented May 15, 2018

This is ready to go, if you only review 9a26430
The first commit is #63799 and the others autogenerated stuff

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@k8s-ci-robot k8s-ci-robot removed the lgtm "Looks good to me", indicates that a PR is ready to be merged. label May 16, 2018
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New changes are detected. LGTM label has been removed.

@k8s-ci-robot k8s-ci-robot added size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. and removed size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. labels May 16, 2018
@k8s-ci-robot k8s-ci-robot removed the approved Indicates a PR has been approved by an approver from all required OWNERS files. label May 16, 2018
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luxas commented May 16, 2018

Readding the LGTM label, I just rebased upon #63799.
Readding approved label as well as I had to add the API package to hack/.golint_failures. Unnecessary to ask for approval from hack/OWNERS for that.

@luxas luxas added lgtm "Looks good to me", indicates that a PR is ready to be merged. approved Indicates a PR has been approved by an approver from all required OWNERS files. labels May 16, 2018
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[APPROVALNOTIFIER] This PR is APPROVED

Approval requirements bypassed by manually added approval.

This pull-request has been approved by: liztio, luxas

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/test all [submit-queue is verifying that this PR is safe to merge]

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Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions here.

@k8s-github-robot k8s-github-robot merged commit 254664d into kubernetes:master May 16, 2018
k8s-github-robot pushed a commit that referenced this pull request May 16, 2018
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: Remove the `.CloudProvider` and `.PrivilegedPods` configuration option

**What this PR does / why we need it**:
Removes the `.CloudProvider` option, it has been experimental for a long time. People should now use external cloud providers, which is beta in v1.11. Most importantly, you can get the exact same behavior in the API by utilizing the `.*ExtraArgs` and `.*ExtraVolumes` fields.
Removes `.PrivilegedPods` as that serves a super small edge case with the legacy cloud provider, and only for openstack.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Part of kubernetes/community#2131

**Special notes for your reviewer**:
Depends on PRs:
 - [x] #63799
 - [x] #63788

**Release note**:

```release-note
[action required] In the new v1alpha2 kubeadm Configuration API, the `.CloudProvider` and `.PrivilegedPods` fields don't exist anymore.
Instead, you should use the out-of-tree cloud provider implementations which are beta in v1.11.
If you have to use the legacy in-tree cloud providers, you can rearrange your config like the example below.
If you need to use the `.PrivilegedPods` functionality, you can still edit the manifests in
`/etc/kubernetes/manifests/`, and set `.SecurityContext.Privileged=true` for the apiserver
and controller manager.
---
kind: MasterConfiguration
apiVersion: kubeadm.k8s.io/v1alpha2
apiServerExtraArgs:
  cloud-provider: "{cloud}"
  cloud-config: "{path}"
apiServerExtraVolumes:
- name: cloud
  hostPath: "{path}"
  mountPath: "{path}"
controllerManagerExtraArgs:
  cloud-provider: "{cloud}"
  cloud-config: "{path}"
controllerManagerExtraVolumes:
- name: cloud
  hostPath: "{path}"
  mountPath: "{path}"
---
```
@kubernetes/sig-cluster-lifecycle-pr-reviews @dims @liztio
k8s-github-robot pushed a commit that referenced this pull request May 17, 2018
Automatic merge from submit-queue (batch tested with PRs 63871, 63927, 63966, 63957, 63844). 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 the never-used .Etcd.SelfHosted field

**What this PR does / why we need it**:
These API types were added to support the self-hosting etcd feature, which in the end never was merged. Hence these API types are unused and should be removed. Perfect timing to do that is now in our new `v1alpha2` scheme.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Part of kubernetes/community#2131

**Special notes for your reviewer**:
Depends on PRs:
 - [x] #63799
 - [x] #63788

**Release note**:

```release-note
kubeadm has removed `.Etcd.SelfHosting` from its configuration API. It was never used in practice.
```
@kubernetes/sig-cluster-lifecycle-pr-reviews @liztio
k8s-github-robot pushed a commit that referenced this pull request May 20, 2018
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>.

Add roundtrip, defaulting, upgrading and validation unit tests for the kubeadm API types

**What this PR does / why we need it**:
Follows up from #63799, as well as net-new unit testing for our serialization/deserialization package. This tests our API machinery pretty much end to end.

This is more important now given we now support two external types: #63788

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Part of kubernetes/community#2131

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```
@kubernetes/sig-cluster-lifecycle-pr-reviews @liztio
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6 participants