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kubeadm: Upgrade Bootstrap Tokens to beta when upgrading to v1.8 #51956

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merged 1 commit into from
Sep 6, 2017
Merged

kubeadm: Upgrade Bootstrap Tokens to beta when upgrading to v1.8 #51956

merged 1 commit into from
Sep 6, 2017

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luxas
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@luxas luxas commented Sep 5, 2017 •
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What this PR does / why we need it:

Makes sure the v1.7 -> v1.8 upgrade works regarding the Bootstrap Token alpha -> beta graduation.
Not much have to be done, but some LoC are needed to preserve the behaivor

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #

Special notes for your reviewer:

Release note:

NONE

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

@luxas luxas added this to the v1.8 milestone Sep 5, 2017
@k8s-ci-robot k8s-ci-robot added size/L Denotes a PR that changes 100-499 lines, ignoring generated files. sig/cluster-lifecycle Categorizes an issue or PR as relevant to SIG Cluster Lifecycle. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. labels Sep 5, 2017
@luxas luxas added the kind/bug Categorizes issue or PR as related to a bug. label Sep 5, 2017
@k8s-github-robot k8s-github-robot added the release-note-none Denotes a PR that doesn't merit a release note. label Sep 5, 2017
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jbeda commented Sep 5, 2017

/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Sep 5, 2017
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dims commented Sep 6, 2017

@jbeda - this needs a /approve no-issue please

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dims commented Sep 6, 2017

/retest

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dims commented Sep 6, 2017

@luxas looks like gofmt problems in verify. PTAL

@luxas luxas force-pushed the kubeadm_upgrade_bootstraptokens branch from 90484b8 to 311d748 Compare September 6, 2017 15:11
@k8s-github-robot k8s-github-robot removed the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Sep 6, 2017
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luxas commented Sep 6, 2017

@jbeda PTAL.
In v1.7 we used system:bootstrap-signer-clusterinfo as the Role name for cluster-info.
This PR now deletes that Role as well (it's now created as kubeadm:bootstrap-signer-clusterinfo), and deletes the associated RoleBinding so that it can be recreated with the right roleRef.

cc @mattmoyer

timothysc
timothysc reviewed Sep 6, 2017
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cmd/kubeadm/app/constants/constants.go Outdated
@@ -123,8 +123,7 @@ const (
KubeConfigVolumeName = "kubeconfig"

// NodeBootstrapTokenAuthGroup specifies which group a Node Bootstrap Token should be authenticated in
// TODO: This should be changed in the v1.8 dev cycle to a node-BT-specific group instead of the generic Bootstrap Token group that is used now
NodeBootstrapTokenAuthGroup = "system:bootstrappers"
NodeBootstrapTokenAuthGroup = "system:bootstrappers:kubeadm:default-node-token"
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What happens if you use a kubeadm 1.8 version to deploy a 1.7 cluster will this work?

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jbeda commented Sep 6, 2017

/approve no-issue

Please address comment from Tim before lgtm.

@k8s-github-robot k8s-github-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Sep 6, 2017
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Please make sure kubeadm released with 1.8 still supports deploying 1.7 clusters as they are done today (e.g. with the same token names).

@luxas luxas force-pushed the kubeadm_upgrade_bootstraptokens branch from 311d748 to a455f99 Compare September 6, 2017 18:04
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luxas commented Sep 6, 2017

/retest

@mattmoyer @timothysc PTAL
This now works with v1.7 as well, thanks for spotting!

timothysc
timothysc approved these changes Sep 6, 2017
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/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Sep 6, 2017
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jbeda, luxas, timothysc

Associated issue requirement bypassed by: jbeda

The full list of commands accepted by this bot can be found here.

Needs approval from an approver in each of these OWNERS Files:

You can indicate your approval by writing /approve in a comment
You can cancel your approval by writing /approve cancel in a comment

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@luxas: The following test failed, say /retest to rerun them all:

Test name Commit Details Rerun command
pull-kubernetes-e2e-gce-bazel a455f99 link /test pull-kubernetes-e2e-gce-bazel

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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Automatic merge from submit-queue (batch tested with PRs 51956, 50708)

@k8s-github-robot k8s-github-robot merged commit 213c8c8 into kubernetes:master Sep 6, 2017
@luxas luxas mentioned this pull request Sep 7, 2017
Merged
k8s-github-robot pushed a commit that referenced this pull request Sep 7, 2017
Merge pull request #52086 from luxas/kubeadm_new_init_token_group
54d0d85 
Automatic merge from submit-queue

kubeadm: Set the new BT auth group on the init token

**What this PR does / why we need it**:

What I forgot to do in #51956 😅 
When we now have the new group, we should also set it on the token, otherwise nodes can't be joined

On the good side, our CI testing broke https://k8s-testgrid.appspot.com/sig-cluster-lifecycle#kubeadm-gce
Great to see that it actually works :)

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```
@kubernetes/sig-cluster-lifecycle-pr-reviews
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@jbeda jbeda jbeda approved these changes

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