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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: Add (duplicated) v1alpha2 Config API **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 https://github.com/kubernetes/community/pull/2131 **Special notes for your reviewer**: This PR depends on: - [x] #63782 - [x] #63783 - [x] #63787 - [x] #63799 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**: ```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 |
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Kubernetes
Kubernetes is an open source system for managing containerized applications across multiple hosts; providing basic mechanisms for deployment, maintenance, and scaling of applications.
Kubernetes builds upon a decade and a half of experience at Google running production workloads at scale using a system called Borg, combined with best-of-breed ideas and practices from the community.
Kubernetes is hosted by the Cloud Native Computing Foundation (CNCF). If you are a company that wants to help shape the evolution of technologies that are container-packaged, dynamically-scheduled and microservices-oriented, consider joining the CNCF. For details about who's involved and how Kubernetes plays a role, read the CNCF announcement.
To start using Kubernetes
See our documentation on kubernetes.io.
Try our interactive tutorial.
Take a free course on Scalable Microservices with Kubernetes.
To start developing Kubernetes
The community repository hosts all information about building Kubernetes from source, how to contribute code and documentation, who to contact about what, etc.
If you want to build Kubernetes right away there are two options:
You have a working Go environment.
$ go get -d k8s.io/kubernetes
$ cd $GOPATH/src/k8s.io/kubernetes
$ make
You have a working Docker environment.
$ git clone https://github.com/kubernetes/kubernetes
$ cd kubernetes
$ make quick-release
For the full story, head over to the developer's documentation.
Support
If you need support, start with the troubleshooting guide, and work your way through the process that we've outlined.
That said, if you have questions, reach out to us one way or another.